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<h2>API Documentation</h2>
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<a class="variable" href="#DATE_ADD_OR_DIFF">DATE_ADD_OR_DIFF</a>
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<a class="variable" href="#DATE_ADD_OR_SUB">DATE_ADD_OR_SUB</a>
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<a class="class" href="#Dialects">Dialects</a>
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<a class="variable" href="#Dialects.DIALECT">DIALECT</a>
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<a class="variable" href="#Dialects.BIGQUERY">BIGQUERY</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.CLICKHOUSE">CLICKHOUSE</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.DATABRICKS">DATABRICKS</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.DRILL">DRILL</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.DUCKDB">DUCKDB</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.HIVE">HIVE</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.MYSQL">MYSQL</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.ORACLE">ORACLE</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.POSTGRES">POSTGRES</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.PRESTO">PRESTO</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.REDSHIFT">REDSHIFT</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.SNOWFLAKE">SNOWFLAKE</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.SPARK">SPARK</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.SPARK2">SPARK2</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.SQLITE">SQLITE</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.STARROCKS">STARROCKS</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.TABLEAU">TABLEAU</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.TERADATA">TERADATA</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.TRINO">TRINO</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.TSQL">TSQL</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialects.Doris">Doris</a>
|
|
</li>
|
|
</ul>
|
|
|
|
</li>
|
|
<li>
|
|
<a class="class" href="#NormalizationStrategy">NormalizationStrategy</a>
|
|
<ul class="memberlist">
|
|
<li>
|
|
<a class="variable" href="#NormalizationStrategy.LOWERCASE">LOWERCASE</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#NormalizationStrategy.UPPERCASE">UPPERCASE</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#NormalizationStrategy.CASE_SENSITIVE">CASE_SENSITIVE</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#NormalizationStrategy.CASE_INSENSITIVE">CASE_INSENSITIVE</a>
|
|
</li>
|
|
</ul>
|
|
|
|
</li>
|
|
<li>
|
|
<a class="class" href="#Dialect">Dialect</a>
|
|
<ul class="memberlist">
|
|
<li>
|
|
<a class="function" href="#Dialect.__init__">Dialect</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.INDEX_OFFSET">INDEX_OFFSET</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.UNNEST_COLUMN_ONLY">UNNEST_COLUMN_ONLY</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.ALIAS_POST_TABLESAMPLE">ALIAS_POST_TABLESAMPLE</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.NORMALIZATION_STRATEGY">NORMALIZATION_STRATEGY</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.IDENTIFIERS_CAN_START_WITH_DIGIT">IDENTIFIERS_CAN_START_WITH_DIGIT</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.DPIPE_IS_STRING_CONCAT">DPIPE_IS_STRING_CONCAT</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.STRICT_STRING_CONCAT">STRICT_STRING_CONCAT</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.SUPPORTS_USER_DEFINED_TYPES">SUPPORTS_USER_DEFINED_TYPES</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.SUPPORTS_SEMI_ANTI_JOIN">SUPPORTS_SEMI_ANTI_JOIN</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.NORMALIZE_FUNCTIONS">NORMALIZE_FUNCTIONS</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.LOG_BASE_FIRST">LOG_BASE_FIRST</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.NULL_ORDERING">NULL_ORDERING</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.TYPED_DIVISION">TYPED_DIVISION</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.SAFE_DIVISION">SAFE_DIVISION</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.CONCAT_COALESCE">CONCAT_COALESCE</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.DATE_FORMAT">DATE_FORMAT</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.DATEINT_FORMAT">DATEINT_FORMAT</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.TIME_FORMAT">TIME_FORMAT</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.TIME_MAPPING">TIME_MAPPING</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.FORMAT_MAPPING">FORMAT_MAPPING</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.ESCAPE_SEQUENCES">ESCAPE_SEQUENCES</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.PSEUDOCOLUMNS">PSEUDOCOLUMNS</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.tokenizer_class">tokenizer_class</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.parser_class">parser_class</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.generator_class">generator_class</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.TIME_TRIE">TIME_TRIE</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.FORMAT_TRIE">FORMAT_TRIE</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.INVERSE_TIME_MAPPING">INVERSE_TIME_MAPPING</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.INVERSE_TIME_TRIE">INVERSE_TIME_TRIE</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.INVERSE_ESCAPE_SEQUENCES">INVERSE_ESCAPE_SEQUENCES</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.QUOTE_START">QUOTE_START</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.QUOTE_END">QUOTE_END</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.IDENTIFIER_START">IDENTIFIER_START</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.IDENTIFIER_END">IDENTIFIER_END</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.BIT_START">BIT_START</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.BIT_END">BIT_END</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.HEX_START">HEX_START</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.HEX_END">HEX_END</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.BYTE_START">BYTE_START</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.BYTE_END">BYTE_END</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#Dialect.get_or_raise">get_or_raise</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#Dialect.format_time">format_time</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#Dialect.normalize_identifier">normalize_identifier</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#Dialect.case_sensitive">case_sensitive</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#Dialect.can_identify">can_identify</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#Dialect.quote_identifier">quote_identifier</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#Dialect.parse">parse</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#Dialect.parse_into">parse_into</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#Dialect.generate">generate</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#Dialect.transpile">transpile</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#Dialect.tokenize">tokenize</a>
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#Dialect.tokenizer">tokenizer</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#Dialect.parser">parser</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#Dialect.generator">generator</a>
|
|
</li>
|
|
</ul>
|
|
|
|
</li>
|
|
<li>
|
|
<a class="variable" href="#DialectType">DialectType</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#rename_func">rename_func</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#approx_count_distinct_sql">approx_count_distinct_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#if_sql">if_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#arrow_json_extract_sql">arrow_json_extract_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#arrow_json_extract_scalar_sql">arrow_json_extract_scalar_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#inline_array_sql">inline_array_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#no_ilike_sql">no_ilike_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#no_paren_current_date_sql">no_paren_current_date_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#no_recursive_cte_sql">no_recursive_cte_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#no_safe_divide_sql">no_safe_divide_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#no_tablesample_sql">no_tablesample_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#no_pivot_sql">no_pivot_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#no_trycast_sql">no_trycast_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#no_properties_sql">no_properties_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#no_comment_column_constraint_sql">no_comment_column_constraint_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#no_map_from_entries_sql">no_map_from_entries_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#str_position_sql">str_position_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#struct_extract_sql">struct_extract_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#var_map_sql">var_map_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#format_time_lambda">format_time_lambda</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#time_format">time_format</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#create_with_partitions_sql">create_with_partitions_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#parse_date_delta">parse_date_delta</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#parse_date_delta_with_interval">parse_date_delta_with_interval</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#date_trunc_to_time">date_trunc_to_time</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#date_add_interval_sql">date_add_interval_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#timestamptrunc_sql">timestamptrunc_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#no_timestamp_sql">no_timestamp_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#locate_to_strposition">locate_to_strposition</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#strposition_to_locate_sql">strposition_to_locate_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#left_to_substring_sql">left_to_substring_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#right_to_substring_sql">right_to_substring_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#timestrtotime_sql">timestrtotime_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#datestrtodate_sql">datestrtodate_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#encode_decode_sql">encode_decode_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#min_or_least">min_or_least</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#max_or_greatest">max_or_greatest</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#count_if_to_sum">count_if_to_sum</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#trim_sql">trim_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#str_to_time_sql">str_to_time_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#ts_or_ds_to_date_sql">ts_or_ds_to_date_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#concat_to_dpipe_sql">concat_to_dpipe_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#concat_ws_to_dpipe_sql">concat_ws_to_dpipe_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#regexp_extract_sql">regexp_extract_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#regexp_replace_sql">regexp_replace_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#pivot_column_names">pivot_column_names</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#binary_from_function">binary_from_function</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#parse_timestamp_trunc">parse_timestamp_trunc</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#any_value_to_max_sql">any_value_to_max_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#bool_xor_sql">bool_xor_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#json_keyvalue_comma_sql">json_keyvalue_comma_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#is_parse_json">is_parse_json</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#isnull_to_is_null">isnull_to_is_null</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#generatedasidentitycolumnconstraint_sql">generatedasidentitycolumnconstraint_sql</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#arg_max_or_min_no_count">arg_max_or_min_no_count</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#ts_or_ds_add_cast">ts_or_ds_add_cast</a>
|
|
</li>
|
|
<li>
|
|
<a class="function" href="#date_delta_sql">date_delta_sql</a>
|
|
</li>
|
|
</ul>
|
|
|
|
|
|
<footer>Copyright (c) 2023 Toby Mao</footer>
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<a class="attribution" title="pdoc: Python API documentation generator" href="https://pdoc.dev" target="_blank">
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<a href="./../../sqlglot.html">sqlglot</a><wbr>.<a href="./../dialects.html">dialects</a><wbr>.dialect </h1>
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<div class="pdoc-code codehilite"><pre><span></span><span id="L-1"><a href="#L-1"><span class="linenos"> 1</span></a><span class="kn">from</span> <span class="nn">__future__</span> <span class="kn">import</span> <span class="n">annotations</span>
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</span><span id="L-2"><a href="#L-2"><span class="linenos"> 2</span></a>
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</span><span id="L-3"><a href="#L-3"><span class="linenos"> 3</span></a><span class="kn">import</span> <span class="nn">typing</span> <span class="k">as</span> <span class="nn">t</span>
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</span><span id="L-4"><a href="#L-4"><span class="linenos"> 4</span></a><span class="kn">from</span> <span class="nn">enum</span> <span class="kn">import</span> <span class="n">Enum</span><span class="p">,</span> <span class="n">auto</span>
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</span><span id="L-5"><a href="#L-5"><span class="linenos"> 5</span></a><span class="kn">from</span> <span class="nn">functools</span> <span class="kn">import</span> <span class="n">reduce</span>
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</span><span id="L-6"><a href="#L-6"><span class="linenos"> 6</span></a>
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</span><span id="L-7"><a href="#L-7"><span class="linenos"> 7</span></a><span class="kn">from</span> <span class="nn">sqlglot</span> <span class="kn">import</span> <span class="n">exp</span>
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</span><span id="L-8"><a href="#L-8"><span class="linenos"> 8</span></a><span class="kn">from</span> <span class="nn">sqlglot._typing</span> <span class="kn">import</span> <span class="n">E</span>
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</span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a><span class="kn">from</span> <span class="nn">sqlglot.errors</span> <span class="kn">import</span> <span class="n">ParseError</span>
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</span><span id="L-10"><a href="#L-10"><span class="linenos"> 10</span></a><span class="kn">from</span> <span class="nn">sqlglot.generator</span> <span class="kn">import</span> <span class="n">Generator</span>
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</span><span id="L-11"><a href="#L-11"><span class="linenos"> 11</span></a><span class="kn">from</span> <span class="nn">sqlglot.helper</span> <span class="kn">import</span> <span class="n">AutoName</span><span class="p">,</span> <span class="n">flatten</span><span class="p">,</span> <span class="n">seq_get</span>
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</span><span id="L-12"><a href="#L-12"><span class="linenos"> 12</span></a><span class="kn">from</span> <span class="nn">sqlglot.parser</span> <span class="kn">import</span> <span class="n">Parser</span>
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</span><span id="L-13"><a href="#L-13"><span class="linenos"> 13</span></a><span class="kn">from</span> <span class="nn">sqlglot.time</span> <span class="kn">import</span> <span class="n">TIMEZONES</span><span class="p">,</span> <span class="n">format_time</span>
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</span><span id="L-14"><a href="#L-14"><span class="linenos"> 14</span></a><span class="kn">from</span> <span class="nn">sqlglot.tokens</span> <span class="kn">import</span> <span class="n">Token</span><span class="p">,</span> <span class="n">Tokenizer</span><span class="p">,</span> <span class="n">TokenType</span>
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</span><span id="L-15"><a href="#L-15"><span class="linenos"> 15</span></a><span class="kn">from</span> <span class="nn">sqlglot.trie</span> <span class="kn">import</span> <span class="n">new_trie</span>
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</span><span id="L-16"><a href="#L-16"><span class="linenos"> 16</span></a>
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</span><span id="L-17"><a href="#L-17"><span class="linenos"> 17</span></a><span class="n">B</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">TypeVar</span><span class="p">(</span><span class="s2">"B"</span><span class="p">,</span> <span class="n">bound</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">)</span>
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</span><span id="L-18"><a href="#L-18"><span class="linenos"> 18</span></a>
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</span><span id="L-19"><a href="#L-19"><span class="linenos"> 19</span></a><span class="n">DATE_ADD_OR_DIFF</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateDiff</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">]</span>
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</span><span id="L-20"><a href="#L-20"><span class="linenos"> 20</span></a><span class="n">DATE_ADD_OR_SUB</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateSub</span><span class="p">]</span>
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</span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a>
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</span><span id="L-22"><a href="#L-22"><span class="linenos"> 22</span></a>
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</span><span id="L-23"><a href="#L-23"><span class="linenos"> 23</span></a><span class="k">class</span> <span class="nc">Dialects</span><span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="n">Enum</span><span class="p">):</span>
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</span><span id="L-24"><a href="#L-24"><span class="linenos"> 24</span></a> <span class="n">DIALECT</span> <span class="o">=</span> <span class="s2">""</span>
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</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a>
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</span><span id="L-26"><a href="#L-26"><span class="linenos"> 26</span></a> <span class="n">BIGQUERY</span> <span class="o">=</span> <span class="s2">"bigquery"</span>
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</span><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a> <span class="n">CLICKHOUSE</span> <span class="o">=</span> <span class="s2">"clickhouse"</span>
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</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a> <span class="n">DATABRICKS</span> <span class="o">=</span> <span class="s2">"databricks"</span>
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</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a> <span class="n">DRILL</span> <span class="o">=</span> <span class="s2">"drill"</span>
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</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a> <span class="n">DUCKDB</span> <span class="o">=</span> <span class="s2">"duckdb"</span>
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</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> <span class="n">HIVE</span> <span class="o">=</span> <span class="s2">"hive"</span>
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</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</span></a> <span class="n">MYSQL</span> <span class="o">=</span> <span class="s2">"mysql"</span>
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</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="n">ORACLE</span> <span class="o">=</span> <span class="s2">"oracle"</span>
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</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> <span class="n">POSTGRES</span> <span class="o">=</span> <span class="s2">"postgres"</span>
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</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> <span class="n">PRESTO</span> <span class="o">=</span> <span class="s2">"presto"</span>
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</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a> <span class="n">REDSHIFT</span> <span class="o">=</span> <span class="s2">"redshift"</span>
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</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a> <span class="n">SNOWFLAKE</span> <span class="o">=</span> <span class="s2">"snowflake"</span>
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</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a> <span class="n">SPARK</span> <span class="o">=</span> <span class="s2">"spark"</span>
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</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> <span class="n">SPARK2</span> <span class="o">=</span> <span class="s2">"spark2"</span>
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</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a> <span class="n">SQLITE</span> <span class="o">=</span> <span class="s2">"sqlite"</span>
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</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a> <span class="n">STARROCKS</span> <span class="o">=</span> <span class="s2">"starrocks"</span>
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</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a> <span class="n">TABLEAU</span> <span class="o">=</span> <span class="s2">"tableau"</span>
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</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a> <span class="n">TERADATA</span> <span class="o">=</span> <span class="s2">"teradata"</span>
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</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="n">TRINO</span> <span class="o">=</span> <span class="s2">"trino"</span>
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</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a> <span class="n">TSQL</span> <span class="o">=</span> <span class="s2">"tsql"</span>
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</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> <span class="n">Doris</span> <span class="o">=</span> <span class="s2">"doris"</span>
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</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a>
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</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a>
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</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a><span class="k">class</span> <span class="nc">NormalizationStrategy</span><span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="n">AutoName</span><span class="p">):</span>
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</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a><span class="w"> </span><span class="sd">"""Specifies the strategy according to which identifiers should be normalized."""</span>
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</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a>
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</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> <span class="n">LOWERCASE</span> <span class="o">=</span> <span class="n">auto</span><span class="p">()</span> <span class="c1"># Unquoted identifiers are lowercased</span>
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</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> <span class="n">UPPERCASE</span> <span class="o">=</span> <span class="n">auto</span><span class="p">()</span> <span class="c1"># Unquoted identifiers are uppercased</span>
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</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> <span class="n">CASE_SENSITIVE</span> <span class="o">=</span> <span class="n">auto</span><span class="p">()</span> <span class="c1"># Always case-sensitive, regardless of quotes</span>
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</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="n">CASE_INSENSITIVE</span> <span class="o">=</span> <span class="n">auto</span><span class="p">()</span> <span class="c1"># Always case-insensitive, regardless of quotes</span>
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</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a>
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</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a>
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</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a><span class="k">class</span> <span class="nc">_Dialect</span><span class="p">(</span><span class="nb">type</span><span class="p">):</span>
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</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="n">classes</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span>
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</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a>
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</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="k">def</span> <span class="fm">__eq__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
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</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="k">if</span> <span class="bp">cls</span> <span class="ow">is</span> <span class="n">other</span><span class="p">:</span>
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</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="k">return</span> <span class="kc">True</span>
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</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">other</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
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</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="k">return</span> <span class="bp">cls</span> <span class="ow">is</span> <span class="bp">cls</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">other</span><span class="p">)</span>
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</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">other</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">):</span>
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</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="k">return</span> <span class="bp">cls</span> <span class="ow">is</span> <span class="nb">type</span><span class="p">(</span><span class="n">other</span><span class="p">)</span>
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</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a>
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</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="k">return</span> <span class="kc">False</span>
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</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a>
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</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="k">def</span> <span class="fm">__hash__</span><span class="p">(</span><span class="bp">cls</span><span class="p">)</span> <span class="o">-></span> <span class="nb">int</span><span class="p">:</span>
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</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="k">return</span> <span class="nb">hash</span><span class="p">(</span><span class="bp">cls</span><span class="o">.</span><span class="vm">__name__</span><span class="o">.</span><span class="n">lower</span><span class="p">())</span>
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</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a>
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</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="nd">@classmethod</span>
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</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">key</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]:</span>
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</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="k">return</span> <span class="bp">cls</span><span class="o">.</span><span class="n">classes</span><span class="p">[</span><span class="n">key</span><span class="p">]</span>
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</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a>
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</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> <span class="nd">@classmethod</span>
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</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="k">def</span> <span class="nf">get</span><span class="p">(</span>
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</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">key</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">default</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span>
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</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]]:</span>
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</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="k">return</span> <span class="bp">cls</span><span class="o">.</span><span class="n">classes</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">default</span><span class="p">)</span>
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</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a>
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</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="k">def</span> <span class="fm">__new__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">clsname</span><span class="p">,</span> <span class="n">bases</span><span class="p">,</span> <span class="n">attrs</span><span class="p">):</span>
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</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="n">klass</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__new__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">clsname</span><span class="p">,</span> <span class="n">bases</span><span class="p">,</span> <span class="n">attrs</span><span class="p">)</span>
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</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="n">enum</span> <span class="o">=</span> <span class="n">Dialects</span><span class="o">.</span><span class="n">__members__</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">clsname</span><span class="o">.</span><span class="n">upper</span><span class="p">())</span>
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</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="bp">cls</span><span class="o">.</span><span class="n">classes</span><span class="p">[</span><span class="n">enum</span><span class="o">.</span><span class="n">value</span> <span class="k">if</span> <span class="n">enum</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">clsname</span><span class="o">.</span><span class="n">lower</span><span class="p">()]</span> <span class="o">=</span> <span class="n">klass</span>
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</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a>
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</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">TIME_TRIE</span> <span class="o">=</span> <span class="n">new_trie</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">)</span>
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</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">FORMAT_TRIE</span> <span class="o">=</span> <span class="p">(</span>
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</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="n">new_trie</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">FORMAT_MAPPING</span><span class="p">)</span> <span class="k">if</span> <span class="n">klass</span><span class="o">.</span><span class="n">FORMAT_MAPPING</span> <span class="k">else</span> <span class="n">klass</span><span class="o">.</span><span class="n">TIME_TRIE</span>
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</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="p">)</span>
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</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">INVERSE_TIME_MAPPING</span> <span class="o">=</span> <span class="p">{</span><span class="n">v</span><span class="p">:</span> <span class="n">k</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">klass</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="o">.</span><span class="n">items</span><span class="p">()}</span>
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</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">INVERSE_TIME_TRIE</span> <span class="o">=</span> <span class="n">new_trie</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">INVERSE_TIME_MAPPING</span><span class="p">)</span>
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</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a>
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</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">INVERSE_ESCAPE_SEQUENCES</span> <span class="o">=</span> <span class="p">{</span><span class="n">v</span><span class="p">:</span> <span class="n">k</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">klass</span><span class="o">.</span><span class="n">ESCAPE_SEQUENCES</span><span class="o">.</span><span class="n">items</span><span class="p">()}</span>
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</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a>
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</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">klass</span><span class="p">,</span> <span class="s2">"Tokenizer"</span><span class="p">,</span> <span class="n">Tokenizer</span><span class="p">)</span>
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</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">parser_class</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">klass</span><span class="p">,</span> <span class="s2">"Parser"</span><span class="p">,</span> <span class="n">Parser</span><span class="p">)</span>
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</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">generator_class</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">klass</span><span class="p">,</span> <span class="s2">"Generator"</span><span class="p">,</span> <span class="n">Generator</span><span class="p">)</span>
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</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a>
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</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">QUOTE_START</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">QUOTE_END</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">_QUOTES</span><span class="o">.</span><span class="n">items</span><span class="p">())[</span><span class="mi">0</span><span class="p">]</span>
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</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">IDENTIFIER_START</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">IDENTIFIER_END</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span>
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</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">_IDENTIFIERS</span><span class="o">.</span><span class="n">items</span><span class="p">()</span>
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</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="p">)[</span><span class="mi">0</span><span class="p">]</span>
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</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a>
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</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="k">def</span> <span class="nf">get_start_end</span><span class="p">(</span><span class="n">token_type</span><span class="p">:</span> <span class="n">TokenType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Tuple</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">],</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]]:</span>
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</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="k">return</span> <span class="nb">next</span><span class="p">(</span>
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</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="p">(</span>
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</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span>
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</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="k">for</span> <span class="n">s</span><span class="p">,</span> <span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">t</span><span class="p">)</span> <span class="ow">in</span> <span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">_FORMAT_STRINGS</span><span class="o">.</span><span class="n">items</span><span class="p">()</span>
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</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="k">if</span> <span class="n">t</span> <span class="o">==</span> <span class="n">token_type</span>
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</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="p">),</span>
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</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="kc">None</span><span class="p">),</span>
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</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="p">)</span>
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</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a>
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</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">BIT_START</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">BIT_END</span> <span class="o">=</span> <span class="n">get_start_end</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">BIT_STRING</span><span class="p">)</span>
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</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">HEX_START</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">HEX_END</span> <span class="o">=</span> <span class="n">get_start_end</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">HEX_STRING</span><span class="p">)</span>
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</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">BYTE_START</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">BYTE_END</span> <span class="o">=</span> <span class="n">get_start_end</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">BYTE_STRING</span><span class="p">)</span>
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</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a>
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</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="k">if</span> <span class="n">enum</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">""</span><span class="p">,</span> <span class="s2">"bigquery"</span><span class="p">):</span>
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</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">generator_class</span><span class="o">.</span><span class="n">SELECT_KINDS</span> <span class="o">=</span> <span class="p">()</span>
|
|
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a>
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</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">klass</span><span class="o">.</span><span class="n">SUPPORTS_SEMI_ANTI_JOIN</span><span class="p">:</span>
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|
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">parser_class</span><span class="o">.</span><span class="n">TABLE_ALIAS_TOKENS</span> <span class="o">=</span> <span class="n">klass</span><span class="o">.</span><span class="n">parser_class</span><span class="o">.</span><span class="n">TABLE_ALIAS_TOKENS</span> <span class="o">|</span> <span class="p">{</span>
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|
</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="n">TokenType</span><span class="o">.</span><span class="n">ANTI</span><span class="p">,</span>
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|
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="n">TokenType</span><span class="o">.</span><span class="n">SEMI</span><span class="p">,</span>
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|
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="p">}</span>
|
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</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a>
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</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="k">return</span> <span class="n">klass</span>
|
|
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a>
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</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a>
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|
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a><span class="k">class</span> <span class="nc">Dialect</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">_Dialect</span><span class="p">):</span>
|
|
</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="c1"># Determines the base index offset for arrays</span>
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|
</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="n">INDEX_OFFSET</span> <span class="o">=</span> <span class="mi">0</span>
|
|
</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a>
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|
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="c1"># If true unnest table aliases are considered only as column aliases</span>
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|
</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="n">UNNEST_COLUMN_ONLY</span> <span class="o">=</span> <span class="kc">False</span>
|
|
</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a>
|
|
</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="c1"># Determines whether or not the table alias comes after tablesample</span>
|
|
</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="n">ALIAS_POST_TABLESAMPLE</span> <span class="o">=</span> <span class="kc">False</span>
|
|
</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a>
|
|
</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="c1"># Specifies the strategy according to which identifiers should be normalized.</span>
|
|
</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="n">NORMALIZATION_STRATEGY</span> <span class="o">=</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">LOWERCASE</span>
|
|
</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a>
|
|
</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="c1"># Determines whether or not an unquoted identifier can start with a digit</span>
|
|
</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="n">IDENTIFIERS_CAN_START_WITH_DIGIT</span> <span class="o">=</span> <span class="kc">False</span>
|
|
</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a>
|
|
</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="c1"># Determines whether or not the DPIPE token ('||') is a string concatenation operator</span>
|
|
</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="n">DPIPE_IS_STRING_CONCAT</span> <span class="o">=</span> <span class="kc">True</span>
|
|
</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a>
|
|
</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="c1"># Determines whether or not CONCAT's arguments must be strings</span>
|
|
</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="n">STRICT_STRING_CONCAT</span> <span class="o">=</span> <span class="kc">False</span>
|
|
</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a>
|
|
</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> <span class="c1"># Determines whether or not user-defined data types are supported</span>
|
|
</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="n">SUPPORTS_USER_DEFINED_TYPES</span> <span class="o">=</span> <span class="kc">True</span>
|
|
</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a>
|
|
</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="c1"># Determines whether or not SEMI/ANTI JOINs are supported</span>
|
|
</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="n">SUPPORTS_SEMI_ANTI_JOIN</span> <span class="o">=</span> <span class="kc">True</span>
|
|
</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a>
|
|
</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="c1"># Determines how function names are going to be normalized</span>
|
|
</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="n">NORMALIZE_FUNCTIONS</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">|</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"upper"</span>
|
|
</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a>
|
|
</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="c1"># Determines whether the base comes first in the LOG function</span>
|
|
</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="n">LOG_BASE_FIRST</span> <span class="o">=</span> <span class="kc">True</span>
|
|
</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a>
|
|
</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="c1"># Indicates the default null ordering method to use if not explicitly set</span>
|
|
</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="c1"># Options are: "nulls_are_small", "nulls_are_large", "nulls_are_last"</span>
|
|
</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="n">NULL_ORDERING</span> <span class="o">=</span> <span class="s2">"nulls_are_small"</span>
|
|
</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a>
|
|
</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="c1"># Whether the behavior of a / b depends on the types of a and b.</span>
|
|
</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="c1"># False means a / b is always float division.</span>
|
|
</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="c1"># True means a / b is integer division if both a and b are integers.</span>
|
|
</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="n">TYPED_DIVISION</span> <span class="o">=</span> <span class="kc">False</span>
|
|
</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a>
|
|
</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="c1"># False means 1 / 0 throws an error.</span>
|
|
</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="c1"># True means 1 / 0 returns null.</span>
|
|
</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="n">SAFE_DIVISION</span> <span class="o">=</span> <span class="kc">False</span>
|
|
</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a>
|
|
</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="c1"># A NULL arg in CONCAT yields NULL by default, but in some dialects it yields an empty string</span>
|
|
</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="n">CONCAT_COALESCE</span> <span class="o">=</span> <span class="kc">False</span>
|
|
</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a>
|
|
</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="n">DATE_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y-%m-</span><span class="si">%d</span><span class="s2">'"</span>
|
|
</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="n">DATEINT_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y%m</span><span class="si">%d</span><span class="s2">'"</span>
|
|
</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="n">TIME_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y-%m-</span><span class="si">%d</span><span class="s2"> %H:%M:%S'"</span>
|
|
</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a>
|
|
</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="c1"># Custom time mappings in which the key represents dialect time format</span>
|
|
</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="c1"># and the value represents a python time format</span>
|
|
</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="n">TIME_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span>
|
|
</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a>
|
|
</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="c1"># https://cloud.google.com/bigquery/docs/reference/standard-sql/format-elements#format_model_rules_date_time</span>
|
|
</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="c1"># https://docs.teradata.com/r/Teradata-Database-SQL-Functions-Operators-Expressions-and-Predicates/March-2017/Data-Type-Conversions/Character-to-DATE-Conversion/Forcing-a-FORMAT-on-CAST-for-Converting-Character-to-DATE</span>
|
|
</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="c1"># special syntax cast(x as date format 'yyyy') defaults to time_mapping</span>
|
|
</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="n">FORMAT_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span>
|
|
</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a>
|
|
</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="c1"># Mapping of an unescaped escape sequence to the corresponding character</span>
|
|
</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="n">ESCAPE_SEQUENCES</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span>
|
|
</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a>
|
|
</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="c1"># Columns that are auto-generated by the engine corresponding to this dialect</span>
|
|
</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="c1"># Such columns may be excluded from SELECT * queries, for example</span>
|
|
</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="n">PSEUDOCOLUMNS</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Set</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
|
|
</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a>
|
|
</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="c1"># --- Autofilled ---</span>
|
|
</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a>
|
|
</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="n">tokenizer_class</span> <span class="o">=</span> <span class="n">Tokenizer</span>
|
|
</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="n">parser_class</span> <span class="o">=</span> <span class="n">Parser</span>
|
|
</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="n">generator_class</span> <span class="o">=</span> <span class="n">Generator</span>
|
|
</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a>
|
|
</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="c1"># A trie of the time_mapping keys</span>
|
|
</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="n">TIME_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span>
|
|
</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="n">FORMAT_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span>
|
|
</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a>
|
|
</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> <span class="n">INVERSE_TIME_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span>
|
|
</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="n">INVERSE_TIME_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span>
|
|
</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a>
|
|
</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="n">INVERSE_ESCAPE_SEQUENCES</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span>
|
|
</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a>
|
|
</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="c1"># Delimiters for quotes, identifiers and the corresponding escape characters</span>
|
|
</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="n">QUOTE_START</span> <span class="o">=</span> <span class="s2">"'"</span>
|
|
</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="n">QUOTE_END</span> <span class="o">=</span> <span class="s2">"'"</span>
|
|
</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="n">IDENTIFIER_START</span> <span class="o">=</span> <span class="s1">'"'</span>
|
|
</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="n">IDENTIFIER_END</span> <span class="o">=</span> <span class="s1">'"'</span>
|
|
</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a>
|
|
</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> <span class="c1"># Delimiters for bit, hex and byte literals</span>
|
|
</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="n">BIT_START</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
|
</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="n">BIT_END</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
|
</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="n">HEX_START</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
|
</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="n">HEX_END</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
|
</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="n">BYTE_START</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
|
</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="n">BYTE_END</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
|
</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a>
|
|
</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="nd">@classmethod</span>
|
|
</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="k">def</span> <span class="nf">get_or_raise</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">Dialect</span><span class="p">:</span>
|
|
</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a><span class="w"> </span><span class="sd">"""</span>
|
|
</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a><span class="sd"> Look up a dialect in the global dialect registry and return it if it exists.</span>
|
|
</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a>
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|
</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a><span class="sd"> Args:</span>
|
|
</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a><span class="sd"> dialect: The target dialect. If this is a string, it can be optionally followed by</span>
|
|
</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a><span class="sd"> additional key-value pairs that are separated by commas and are used to specify</span>
|
|
</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a><span class="sd"> dialect settings, such as whether the dialect's identifiers are case-sensitive.</span>
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|
</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a>
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|
</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a><span class="sd"> Example:</span>
|
|
</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a><span class="sd"> >>> dialect = dialect_class = get_or_raise("duckdb")</span>
|
|
</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a><span class="sd"> >>> dialect = get_or_raise("mysql, normalization_strategy = case_sensitive")</span>
|
|
</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a>
|
|
</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a><span class="sd"> Returns:</span>
|
|
</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a><span class="sd"> The corresponding Dialect instance.</span>
|
|
</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a><span class="sd"> """</span>
|
|
</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a>
|
|
</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">dialect</span><span class="p">:</span>
|
|
</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> <span class="k">return</span> <span class="bp">cls</span><span class="p">()</span>
|
|
</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">_Dialect</span><span class="p">):</span>
|
|
</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> <span class="k">return</span> <span class="n">dialect</span><span class="p">()</span>
|
|
</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">):</span>
|
|
</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="k">return</span> <span class="n">dialect</span>
|
|
</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
|
|
</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="k">try</span><span class="p">:</span>
|
|
</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="n">dialect_name</span><span class="p">,</span> <span class="o">*</span><span class="n">kv_pairs</span> <span class="o">=</span> <span class="n">dialect</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">","</span><span class="p">)</span>
|
|
</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="n">kwargs</span> <span class="o">=</span> <span class="p">{</span><span class="n">k</span><span class="o">.</span><span class="n">strip</span><span class="p">():</span> <span class="n">v</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="p">(</span><span class="n">kv</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">"="</span><span class="p">)</span> <span class="k">for</span> <span class="n">kv</span> <span class="ow">in</span> <span class="n">kv_pairs</span><span class="p">)}</span>
|
|
</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="k">except</span> <span class="ne">ValueError</span><span class="p">:</span>
|
|
</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
|
|
</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="sa">f</span><span class="s2">"Invalid dialect format: '</span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">'. "</span>
|
|
</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="s2">"Please use the correct format: 'dialect [, k1 = v2 [, ...]]'."</span>
|
|
</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="p">)</span>
|
|
</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a>
|
|
</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="n">result</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">dialect_name</span><span class="o">.</span><span class="n">strip</span><span class="p">())</span>
|
|
</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">result</span><span class="p">:</span>
|
|
</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown dialect '</span><span class="si">{</span><span class="n">dialect_name</span><span class="si">}</span><span class="s2">'."</span><span class="p">)</span>
|
|
</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a>
|
|
</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="k">return</span> <span class="n">result</span><span class="p">(</span><span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
|
|
</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a>
|
|
</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Invalid dialect type for '</span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">': '</span><span class="si">{</span><span class="nb">type</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span><span class="si">}</span><span class="s2">'."</span><span class="p">)</span>
|
|
</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a>
|
|
</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="nd">@classmethod</span>
|
|
</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> <span class="k">def</span> <span class="nf">format_time</span><span class="p">(</span>
|
|
</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span>
|
|
</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
|
</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
|
|
</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span>
|
|
</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a> <span class="c1"># the time formats are quoted</span>
|
|
</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="o">-</span><span class="mi">1</span><span class="p">],</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">)</span>
|
|
</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a> <span class="p">)</span>
|
|
</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a>
|
|
</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span>
|
|
</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">))</span>
|
|
</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a>
|
|
</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a> <span class="k">return</span> <span class="n">expression</span>
|
|
</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a>
|
|
</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span>
|
|
</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="n">normalization_strategy</span> <span class="o">=</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"normalization_strategy"</span><span class="p">)</span>
|
|
</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a>
|
|
</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a> <span class="k">if</span> <span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
|
|
</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">NORMALIZATION_STRATEGY</span>
|
|
</span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a> <span class="k">else</span><span class="p">:</span>
|
|
</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="o">=</span> <span class="n">NormalizationStrategy</span><span class="p">(</span><span class="n">normalization_strategy</span><span class="o">.</span><span class="n">upper</span><span class="p">())</span>
|
|
</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a>
|
|
</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> <span class="k">def</span> <span class="fm">__eq__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
|
|
</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> <span class="c1"># Does not currently take dialect state into account</span>
|
|
</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="k">return</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">==</span> <span class="n">other</span>
|
|
</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a>
|
|
</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> <span class="k">def</span> <span class="fm">__hash__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">int</span><span class="p">:</span>
|
|
</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="c1"># Does not currently take dialect state into account</span>
|
|
</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> <span class="k">return</span> <span class="nb">hash</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">))</span>
|
|
</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a>
|
|
</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> <span class="k">def</span> <span class="nf">normalize_identifier</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span>
|
|
</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a><span class="w"> </span><span class="sd">"""</span>
|
|
</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a><span class="sd"> Transforms an identifier in a way that resembles how it'd be resolved by this dialect.</span>
|
|
</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a>
|
|
</span><span id="L-309"><a href="#L-309"><span class="linenos">309</span></a><span class="sd"> For example, an identifier like FoO would be resolved as foo in Postgres, because it</span>
|
|
</span><span id="L-310"><a href="#L-310"><span class="linenos">310</span></a><span class="sd"> lowercases all unquoted identifiers. On the other hand, Snowflake uppercases them, so</span>
|
|
</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a><span class="sd"> it would resolve it as FOO. If it was quoted, it'd need to be treated as case-sensitive,</span>
|
|
</span><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a><span class="sd"> and so any normalization would be prohibited in order to avoid "breaking" the identifier.</span>
|
|
</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a>
|
|
</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a><span class="sd"> There are also dialects like Spark, which are case-insensitive even when quotes are</span>
|
|
</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a><span class="sd"> present, and dialects like MySQL, whose resolution rules match those employed by the</span>
|
|
</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a><span class="sd"> underlying operating system, for example they may always be case-sensitive in Linux.</span>
|
|
</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a>
|
|
</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a><span class="sd"> Finally, the normalization behavior of some engines can even be controlled through flags,</span>
|
|
</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a><span class="sd"> like in Redshift's case, where users can explicitly set enable_case_sensitive_identifier.</span>
|
|
</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a>
|
|
</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a><span class="sd"> SQLGlot aims to understand and handle all of these different behaviors gracefully, so</span>
|
|
</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a><span class="sd"> that it can analyze queries in the optimizer and successfully capture their semantics.</span>
|
|
</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a><span class="sd"> """</span>
|
|
</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> <span class="k">if</span> <span class="p">(</span>
|
|
</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span>
|
|
</span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">CASE_SENSITIVE</span>
|
|
</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a> <span class="ow">and</span> <span class="p">(</span>
|
|
</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">quoted</span>
|
|
</span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">CASE_INSENSITIVE</span>
|
|
</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a> <span class="p">)</span>
|
|
</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a> <span class="p">):</span>
|
|
</span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span>
|
|
</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="s2">"this"</span><span class="p">,</span>
|
|
</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span>
|
|
</span><span id="L-335"><a href="#L-335"><span class="linenos">335</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">UPPERCASE</span>
|
|
</span><span id="L-336"><a href="#L-336"><span class="linenos">336</span></a> <span class="k">else</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">lower</span><span class="p">(),</span>
|
|
</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> <span class="p">)</span>
|
|
</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a>
|
|
</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a> <span class="k">return</span> <span class="n">expression</span>
|
|
</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a>
|
|
</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a> <span class="k">def</span> <span class="nf">case_sensitive</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">text</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
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</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a><span class="w"> </span><span class="sd">"""Checks if text contains any case sensitive characters, based on the dialect's rules."""</span>
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</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">CASE_INSENSITIVE</span><span class="p">:</span>
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</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a> <span class="k">return</span> <span class="kc">False</span>
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</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a>
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</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a> <span class="n">unsafe</span> <span class="o">=</span> <span class="p">(</span>
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</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a> <span class="nb">str</span><span class="o">.</span><span class="n">islower</span>
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</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">UPPERCASE</span>
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|
</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> <span class="k">else</span> <span class="nb">str</span><span class="o">.</span><span class="n">isupper</span>
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</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> <span class="p">)</span>
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</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a> <span class="k">return</span> <span class="nb">any</span><span class="p">(</span><span class="n">unsafe</span><span class="p">(</span><span class="n">char</span><span class="p">)</span> <span class="k">for</span> <span class="n">char</span> <span class="ow">in</span> <span class="n">text</span><span class="p">)</span>
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|
</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a>
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</span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a> <span class="k">def</span> <span class="nf">can_identify</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">text</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">identify</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="nb">bool</span> <span class="o">=</span> <span class="s2">"safe"</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
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</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a><span class="w"> </span><span class="sd">"""Checks if text can be identified given an identify option.</span>
|
|
</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a>
|
|
</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a><span class="sd"> Args:</span>
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|
</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a><span class="sd"> text: The text to check.</span>
|
|
</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a><span class="sd"> identify:</span>
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|
</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a><span class="sd"> "always" or `True`: Always returns true.</span>
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|
</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a><span class="sd"> "safe": True if the identifier is case-insensitive.</span>
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</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a>
|
|
</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a><span class="sd"> Returns:</span>
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|
</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a><span class="sd"> Whether or not the given text can be identified.</span>
|
|
</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a><span class="sd"> """</span>
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|
</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a> <span class="k">if</span> <span class="n">identify</span> <span class="ow">is</span> <span class="kc">True</span> <span class="ow">or</span> <span class="n">identify</span> <span class="o">==</span> <span class="s2">"always"</span><span class="p">:</span>
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|
</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a> <span class="k">return</span> <span class="kc">True</span>
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|
</span><span id="L-367"><a href="#L-367"><span class="linenos">367</span></a>
|
|
</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> <span class="k">if</span> <span class="n">identify</span> <span class="o">==</span> <span class="s2">"safe"</span><span class="p">:</span>
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|
</span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a> <span class="k">return</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">case_sensitive</span><span class="p">(</span><span class="n">text</span><span class="p">)</span>
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|
</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a>
|
|
</span><span id="L-371"><a href="#L-371"><span class="linenos">371</span></a> <span class="k">return</span> <span class="kc">False</span>
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|
</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a>
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|
</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a> <span class="k">def</span> <span class="nf">quote_identifier</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="n">identify</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span>
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</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">):</span>
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</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
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</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span>
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|
</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> <span class="s2">"quoted"</span><span class="p">,</span>
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|
</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a> <span class="n">identify</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">case_sensitive</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">exp</span><span class="o">.</span><span class="n">SAFE_IDENTIFIER_RE</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="n">name</span><span class="p">),</span>
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|
</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a> <span class="p">)</span>
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|
</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a>
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|
</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a> <span class="k">return</span> <span class="n">expression</span>
|
|
</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a>
|
|
</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a> <span class="k">def</span> <span class="nf">parse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span>
|
|
</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span>
|
|
</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a>
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|
</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a> <span class="k">def</span> <span class="nf">parse_into</span><span class="p">(</span>
|
|
</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">IntoType</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span>
|
|
</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span>
|
|
</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse_into</span><span class="p">(</span><span class="n">expression_type</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span>
|
|
</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a>
|
|
</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a> <span class="k">def</span> <span class="nf">generate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">copy</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="n">copy</span><span class="p">)</span>
|
|
</span><span id="L-393"><a href="#L-393"><span class="linenos">393</span></a>
|
|
</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a> <span class="k">def</span> <span class="nf">transpile</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span>
|
|
</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a> <span class="k">return</span> <span class="p">[</span>
|
|
</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="k">if</span> <span class="n">expression</span> <span class="k">else</span> <span class="s2">""</span>
|
|
</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">)</span>
|
|
</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="p">]</span>
|
|
</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a>
|
|
</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> <span class="k">def</span> <span class="nf">tokenize</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">Token</span><span class="p">]:</span>
|
|
</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">)</span>
|
|
</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a>
|
|
</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="nd">@property</span>
|
|
</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> <span class="k">def</span> <span class="nf">tokenizer</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">Tokenizer</span><span class="p">:</span>
|
|
</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"_tokenizer"</span><span class="p">):</span>
|
|
</span><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_tokenizer</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="p">(</span><span class="n">dialect</span><span class="o">=</span><span class="bp">self</span><span class="p">)</span>
|
|
</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_tokenizer</span>
|
|
</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a>
|
|
</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a> <span class="k">def</span> <span class="nf">parser</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Parser</span><span class="p">:</span>
|
|
</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser_class</span><span class="p">(</span><span class="n">dialect</span><span class="o">=</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span>
|
|
</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a>
|
|
</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> <span class="k">def</span> <span class="nf">generator</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Generator</span><span class="p">:</span>
|
|
</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator_class</span><span class="p">(</span><span class="n">dialect</span><span class="o">=</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span>
|
|
</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a>
|
|
</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a>
|
|
</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a><span class="n">DialectType</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">],</span> <span class="kc">None</span><span class="p">]</span>
|
|
</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a>
|
|
</span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a>
|
|
</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a><span class="k">def</span> <span class="nf">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
|
</span><span id="L-420"><a href="#L-420"><span class="linenos">420</span></a> <span class="k">return</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="o">*</span><span class="n">flatten</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">()))</span>
|
|
</span><span id="L-421"><a href="#L-421"><span class="linenos">421</span></a>
|
|
</span><span id="L-422"><a href="#L-422"><span class="linenos">422</span></a>
|
|
</span><span id="L-423"><a href="#L-423"><span class="linenos">423</span></a><span class="k">def</span> <span class="nf">approx_count_distinct_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-424"><a href="#L-424"><span class="linenos">424</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"accuracy"</span><span class="p">):</span>
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</span><span id="L-425"><a href="#L-425"><span class="linenos">425</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"APPROX_COUNT_DISTINCT does not support accuracy"</span><span class="p">)</span>
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</span><span id="L-426"><a href="#L-426"><span class="linenos">426</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"APPROX_COUNT_DISTINCT"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
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</span><span id="L-427"><a href="#L-427"><span class="linenos">427</span></a>
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</span><span id="L-428"><a href="#L-428"><span class="linenos">428</span></a>
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</span><span id="L-429"><a href="#L-429"><span class="linenos">429</span></a><span class="k">def</span> <span class="nf">if_sql</span><span class="p">(</span>
|
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</span><span id="L-430"><a href="#L-430"><span class="linenos">430</span></a> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"IF"</span><span class="p">,</span> <span class="n">false_value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span> <span class="o">|</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
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</span><span id="L-431"><a href="#L-431"><span class="linenos">431</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
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</span><span id="L-432"><a href="#L-432"><span class="linenos">432</span></a> <span class="k">def</span> <span class="nf">_if_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="L-433"><a href="#L-433"><span class="linenos">433</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
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|
</span><span id="L-434"><a href="#L-434"><span class="linenos">434</span></a> <span class="n">name</span><span class="p">,</span>
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</span><span id="L-435"><a href="#L-435"><span class="linenos">435</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span>
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|
</span><span id="L-436"><a href="#L-436"><span class="linenos">436</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"true"</span><span class="p">),</span>
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|
</span><span id="L-437"><a href="#L-437"><span class="linenos">437</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"false"</span><span class="p">)</span> <span class="ow">or</span> <span class="n">false_value</span><span class="p">,</span>
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|
</span><span id="L-438"><a href="#L-438"><span class="linenos">438</span></a> <span class="p">)</span>
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</span><span id="L-439"><a href="#L-439"><span class="linenos">439</span></a>
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|
</span><span id="L-440"><a href="#L-440"><span class="linenos">440</span></a> <span class="k">return</span> <span class="n">_if_sql</span>
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|
</span><span id="L-441"><a href="#L-441"><span class="linenos">441</span></a>
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|
</span><span id="L-442"><a href="#L-442"><span class="linenos">442</span></a>
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</span><span id="L-443"><a href="#L-443"><span class="linenos">443</span></a><span class="k">def</span> <span class="nf">arrow_json_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtract</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONBExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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|
</span><span id="L-444"><a href="#L-444"><span class="linenos">444</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"->"</span><span class="p">)</span>
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|
</span><span id="L-445"><a href="#L-445"><span class="linenos">445</span></a>
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|
</span><span id="L-446"><a href="#L-446"><span class="linenos">446</span></a>
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|
</span><span id="L-447"><a href="#L-447"><span class="linenos">447</span></a><span class="k">def</span> <span class="nf">arrow_json_extract_scalar_sql</span><span class="p">(</span>
|
|
</span><span id="L-448"><a href="#L-448"><span class="linenos">448</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtractScalar</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONBExtractScalar</span>
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|
</span><span id="L-449"><a href="#L-449"><span class="linenos">449</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-450"><a href="#L-450"><span class="linenos">450</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"->>"</span><span class="p">)</span>
|
|
</span><span id="L-451"><a href="#L-451"><span class="linenos">451</span></a>
|
|
</span><span id="L-452"><a href="#L-452"><span class="linenos">452</span></a>
|
|
</span><span id="L-453"><a href="#L-453"><span class="linenos">453</span></a><span class="k">def</span> <span class="nf">inline_array_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-454"><a href="#L-454"><span class="linenos">454</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"[</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="n">flat</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span><span class="si">}</span><span class="s2">]"</span>
|
|
</span><span id="L-455"><a href="#L-455"><span class="linenos">455</span></a>
|
|
</span><span id="L-456"><a href="#L-456"><span class="linenos">456</span></a>
|
|
</span><span id="L-457"><a href="#L-457"><span class="linenos">457</span></a><span class="k">def</span> <span class="nf">no_ilike_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ILike</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-458"><a href="#L-458"><span class="linenos">458</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">like_sql</span><span class="p">(</span>
|
|
</span><span id="L-459"><a href="#L-459"><span class="linenos">459</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Like</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Lower</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span>
|
|
</span><span id="L-460"><a href="#L-460"><span class="linenos">460</span></a> <span class="p">)</span>
|
|
</span><span id="L-461"><a href="#L-461"><span class="linenos">461</span></a>
|
|
</span><span id="L-462"><a href="#L-462"><span class="linenos">462</span></a>
|
|
</span><span id="L-463"><a href="#L-463"><span class="linenos">463</span></a><span class="k">def</span> <span class="nf">no_paren_current_date_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-464"><a href="#L-464"><span class="linenos">464</span></a> <span class="n">zone</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span>
|
|
</span><span id="L-465"><a href="#L-465"><span class="linenos">465</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CURRENT_DATE AT TIME ZONE </span><span class="si">{</span><span class="n">zone</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">zone</span> <span class="k">else</span> <span class="s2">"CURRENT_DATE"</span>
|
|
</span><span id="L-466"><a href="#L-466"><span class="linenos">466</span></a>
|
|
</span><span id="L-467"><a href="#L-467"><span class="linenos">467</span></a>
|
|
</span><span id="L-468"><a href="#L-468"><span class="linenos">468</span></a><span class="k">def</span> <span class="nf">no_recursive_cte_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">With</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-469"><a href="#L-469"><span class="linenos">469</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"recursive"</span><span class="p">):</span>
|
|
</span><span id="L-470"><a href="#L-470"><span class="linenos">470</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Recursive CTEs are unsupported"</span><span class="p">)</span>
|
|
</span><span id="L-471"><a href="#L-471"><span class="linenos">471</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"recursive"</span><span class="p">]</span> <span class="o">=</span> <span class="kc">False</span>
|
|
</span><span id="L-472"><a href="#L-472"><span class="linenos">472</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">with_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
|
</span><span id="L-473"><a href="#L-473"><span class="linenos">473</span></a>
|
|
</span><span id="L-474"><a href="#L-474"><span class="linenos">474</span></a>
|
|
</span><span id="L-475"><a href="#L-475"><span class="linenos">475</span></a><span class="k">def</span> <span class="nf">no_safe_divide_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">SafeDivide</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-476"><a href="#L-476"><span class="linenos">476</span></a> <span class="n">n</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span>
|
|
</span><span id="L-477"><a href="#L-477"><span class="linenos">477</span></a> <span class="n">d</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"expression"</span><span class="p">)</span>
|
|
</span><span id="L-478"><a href="#L-478"><span class="linenos">478</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IF(</span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2"> <> 0, </span><span class="si">{</span><span class="n">n</span><span class="si">}</span><span class="s2"> / </span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2">, NULL)"</span>
|
|
</span><span id="L-479"><a href="#L-479"><span class="linenos">479</span></a>
|
|
</span><span id="L-480"><a href="#L-480"><span class="linenos">480</span></a>
|
|
</span><span id="L-481"><a href="#L-481"><span class="linenos">481</span></a><span class="k">def</span> <span class="nf">no_tablesample_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableSample</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-482"><a href="#L-482"><span class="linenos">482</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"TABLESAMPLE unsupported"</span><span class="p">)</span>
|
|
</span><span id="L-483"><a href="#L-483"><span class="linenos">483</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
|
</span><span id="L-484"><a href="#L-484"><span class="linenos">484</span></a>
|
|
</span><span id="L-485"><a href="#L-485"><span class="linenos">485</span></a>
|
|
</span><span id="L-486"><a href="#L-486"><span class="linenos">486</span></a><span class="k">def</span> <span class="nf">no_pivot_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-487"><a href="#L-487"><span class="linenos">487</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"PIVOT unsupported"</span><span class="p">)</span>
|
|
</span><span id="L-488"><a href="#L-488"><span class="linenos">488</span></a> <span class="k">return</span> <span class="s2">""</span>
|
|
</span><span id="L-489"><a href="#L-489"><span class="linenos">489</span></a>
|
|
</span><span id="L-490"><a href="#L-490"><span class="linenos">490</span></a>
|
|
</span><span id="L-491"><a href="#L-491"><span class="linenos">491</span></a><span class="k">def</span> <span class="nf">no_trycast_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-492"><a href="#L-492"><span class="linenos">492</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">cast_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
|
</span><span id="L-493"><a href="#L-493"><span class="linenos">493</span></a>
|
|
</span><span id="L-494"><a href="#L-494"><span class="linenos">494</span></a>
|
|
</span><span id="L-495"><a href="#L-495"><span class="linenos">495</span></a><span class="k">def</span> <span class="nf">no_properties_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-496"><a href="#L-496"><span class="linenos">496</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Properties unsupported"</span><span class="p">)</span>
|
|
</span><span id="L-497"><a href="#L-497"><span class="linenos">497</span></a> <span class="k">return</span> <span class="s2">""</span>
|
|
</span><span id="L-498"><a href="#L-498"><span class="linenos">498</span></a>
|
|
</span><span id="L-499"><a href="#L-499"><span class="linenos">499</span></a>
|
|
</span><span id="L-500"><a href="#L-500"><span class="linenos">500</span></a><span class="k">def</span> <span class="nf">no_comment_column_constraint_sql</span><span class="p">(</span>
|
|
</span><span id="L-501"><a href="#L-501"><span class="linenos">501</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CommentColumnConstraint</span>
|
|
</span><span id="L-502"><a href="#L-502"><span class="linenos">502</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-503"><a href="#L-503"><span class="linenos">503</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"CommentColumnConstraint unsupported"</span><span class="p">)</span>
|
|
</span><span id="L-504"><a href="#L-504"><span class="linenos">504</span></a> <span class="k">return</span> <span class="s2">""</span>
|
|
</span><span id="L-505"><a href="#L-505"><span class="linenos">505</span></a>
|
|
</span><span id="L-506"><a href="#L-506"><span class="linenos">506</span></a>
|
|
</span><span id="L-507"><a href="#L-507"><span class="linenos">507</span></a><span class="k">def</span> <span class="nf">no_map_from_entries_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">MapFromEntries</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-508"><a href="#L-508"><span class="linenos">508</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"MAP_FROM_ENTRIES unsupported"</span><span class="p">)</span>
|
|
</span><span id="L-509"><a href="#L-509"><span class="linenos">509</span></a> <span class="k">return</span> <span class="s2">""</span>
|
|
</span><span id="L-510"><a href="#L-510"><span class="linenos">510</span></a>
|
|
</span><span id="L-511"><a href="#L-511"><span class="linenos">511</span></a>
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</span><span id="L-512"><a href="#L-512"><span class="linenos">512</span></a><span class="k">def</span> <span class="nf">str_position_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-513"><a href="#L-513"><span class="linenos">513</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span>
|
|
</span><span id="L-514"><a href="#L-514"><span class="linenos">514</span></a> <span class="n">substr</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"substr"</span><span class="p">)</span>
|
|
</span><span id="L-515"><a href="#L-515"><span class="linenos">515</span></a> <span class="n">position</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"position"</span><span class="p">)</span>
|
|
</span><span id="L-516"><a href="#L-516"><span class="linenos">516</span></a> <span class="k">if</span> <span class="n">position</span><span class="p">:</span>
|
|
</span><span id="L-517"><a href="#L-517"><span class="linenos">517</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"STRPOS(SUBSTR(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">position</span><span class="si">}</span><span class="s2">), </span><span class="si">{</span><span class="n">substr</span><span class="si">}</span><span class="s2">) + </span><span class="si">{</span><span class="n">position</span><span class="si">}</span><span class="s2"> - 1"</span>
|
|
</span><span id="L-518"><a href="#L-518"><span class="linenos">518</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"STRPOS(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">substr</span><span class="si">}</span><span class="s2">)"</span>
|
|
</span><span id="L-519"><a href="#L-519"><span class="linenos">519</span></a>
|
|
</span><span id="L-520"><a href="#L-520"><span class="linenos">520</span></a>
|
|
</span><span id="L-521"><a href="#L-521"><span class="linenos">521</span></a><span class="k">def</span> <span class="nf">struct_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StructExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-522"><a href="#L-522"><span class="linenos">522</span></a> <span class="k">return</span> <span class="p">(</span>
|
|
</span><span id="L-523"><a href="#L-523"><span class="linenos">523</span></a> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">name</span><span class="p">))</span><span class="si">}</span><span class="s2">"</span>
|
|
</span><span id="L-524"><a href="#L-524"><span class="linenos">524</span></a> <span class="p">)</span>
|
|
</span><span id="L-525"><a href="#L-525"><span class="linenos">525</span></a>
|
|
</span><span id="L-526"><a href="#L-526"><span class="linenos">526</span></a>
|
|
</span><span id="L-527"><a href="#L-527"><span class="linenos">527</span></a><span class="k">def</span> <span class="nf">var_map_sql</span><span class="p">(</span>
|
|
</span><span id="L-528"><a href="#L-528"><span class="linenos">528</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Map</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">VarMap</span><span class="p">,</span> <span class="n">map_func_name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"MAP"</span>
|
|
</span><span id="L-529"><a href="#L-529"><span class="linenos">529</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-530"><a href="#L-530"><span class="linenos">530</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"keys"</span><span class="p">]</span>
|
|
</span><span id="L-531"><a href="#L-531"><span class="linenos">531</span></a> <span class="n">values</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"values"</span><span class="p">]</span>
|
|
</span><span id="L-532"><a href="#L-532"><span class="linenos">532</span></a>
|
|
</span><span id="L-533"><a href="#L-533"><span class="linenos">533</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">keys</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">values</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">):</span>
|
|
</span><span id="L-534"><a href="#L-534"><span class="linenos">534</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Cannot convert array columns into map."</span><span class="p">)</span>
|
|
</span><span id="L-535"><a href="#L-535"><span class="linenos">535</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">map_func_name</span><span class="p">,</span> <span class="n">keys</span><span class="p">,</span> <span class="n">values</span><span class="p">)</span>
|
|
</span><span id="L-536"><a href="#L-536"><span class="linenos">536</span></a>
|
|
</span><span id="L-537"><a href="#L-537"><span class="linenos">537</span></a> <span class="n">args</span> <span class="o">=</span> <span class="p">[]</span>
|
|
</span><span id="L-538"><a href="#L-538"><span class="linenos">538</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">keys</span><span class="o">.</span><span class="n">expressions</span><span class="p">,</span> <span class="n">values</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span>
|
|
</span><span id="L-539"><a href="#L-539"><span class="linenos">539</span></a> <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">key</span><span class="p">))</span>
|
|
</span><span id="L-540"><a href="#L-540"><span class="linenos">540</span></a> <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">value</span><span class="p">))</span>
|
|
</span><span id="L-541"><a href="#L-541"><span class="linenos">541</span></a>
|
|
</span><span id="L-542"><a href="#L-542"><span class="linenos">542</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">map_func_name</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">)</span>
|
|
</span><span id="L-543"><a href="#L-543"><span class="linenos">543</span></a>
|
|
</span><span id="L-544"><a href="#L-544"><span class="linenos">544</span></a>
|
|
</span><span id="L-545"><a href="#L-545"><span class="linenos">545</span></a><span class="k">def</span> <span class="nf">format_time_lambda</span><span class="p">(</span>
|
|
</span><span id="L-546"><a href="#L-546"><span class="linenos">546</span></a> <span class="n">exp_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> <span class="n">dialect</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">default</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">bool</span> <span class="o">|</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
|
</span><span id="L-547"><a href="#L-547"><span class="linenos">547</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span>
|
|
</span><span id="L-548"><a href="#L-548"><span class="linenos">548</span></a><span class="w"> </span><span class="sd">"""Helper used for time expressions.</span>
|
|
</span><span id="L-549"><a href="#L-549"><span class="linenos">549</span></a>
|
|
</span><span id="L-550"><a href="#L-550"><span class="linenos">550</span></a><span class="sd"> Args:</span>
|
|
</span><span id="L-551"><a href="#L-551"><span class="linenos">551</span></a><span class="sd"> exp_class: the expression class to instantiate.</span>
|
|
</span><span id="L-552"><a href="#L-552"><span class="linenos">552</span></a><span class="sd"> dialect: target sql dialect.</span>
|
|
</span><span id="L-553"><a href="#L-553"><span class="linenos">553</span></a><span class="sd"> default: the default format, True being time.</span>
|
|
</span><span id="L-554"><a href="#L-554"><span class="linenos">554</span></a>
|
|
</span><span id="L-555"><a href="#L-555"><span class="linenos">555</span></a><span class="sd"> Returns:</span>
|
|
</span><span id="L-556"><a href="#L-556"><span class="linenos">556</span></a><span class="sd"> A callable that can be used to return the appropriately formatted time expression.</span>
|
|
</span><span id="L-557"><a href="#L-557"><span class="linenos">557</span></a><span class="sd"> """</span>
|
|
</span><span id="L-558"><a href="#L-558"><span class="linenos">558</span></a>
|
|
</span><span id="L-559"><a href="#L-559"><span class="linenos">559</span></a> <span class="k">def</span> <span class="nf">_format_time</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">):</span>
|
|
</span><span id="L-560"><a href="#L-560"><span class="linenos">560</span></a> <span class="k">return</span> <span class="n">exp_class</span><span class="p">(</span>
|
|
</span><span id="L-561"><a href="#L-561"><span class="linenos">561</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span>
|
|
</span><span id="L-562"><a href="#L-562"><span class="linenos">562</span></a> <span class="nb">format</span><span class="o">=</span><span class="n">Dialect</span><span class="p">[</span><span class="n">dialect</span><span class="p">]</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span>
|
|
</span><span id="L-563"><a href="#L-563"><span class="linenos">563</span></a> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
|
|
</span><span id="L-564"><a href="#L-564"><span class="linenos">564</span></a> <span class="ow">or</span> <span class="p">(</span><span class="n">Dialect</span><span class="p">[</span><span class="n">dialect</span><span class="p">]</span><span class="o">.</span><span class="n">TIME_FORMAT</span> <span class="k">if</span> <span class="n">default</span> <span class="ow">is</span> <span class="kc">True</span> <span class="k">else</span> <span class="n">default</span> <span class="ow">or</span> <span class="kc">None</span><span class="p">)</span>
|
|
</span><span id="L-565"><a href="#L-565"><span class="linenos">565</span></a> <span class="p">),</span>
|
|
</span><span id="L-566"><a href="#L-566"><span class="linenos">566</span></a> <span class="p">)</span>
|
|
</span><span id="L-567"><a href="#L-567"><span class="linenos">567</span></a>
|
|
</span><span id="L-568"><a href="#L-568"><span class="linenos">568</span></a> <span class="k">return</span> <span class="n">_format_time</span>
|
|
</span><span id="L-569"><a href="#L-569"><span class="linenos">569</span></a>
|
|
</span><span id="L-570"><a href="#L-570"><span class="linenos">570</span></a>
|
|
</span><span id="L-571"><a href="#L-571"><span class="linenos">571</span></a><span class="k">def</span> <span class="nf">time_format</span><span class="p">(</span>
|
|
</span><span id="L-572"><a href="#L-572"><span class="linenos">572</span></a> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
|
|
</span><span id="L-573"><a href="#L-573"><span class="linenos">573</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">UnixToStr</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrToUnix</span><span class="p">],</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]]:</span>
|
|
</span><span id="L-574"><a href="#L-574"><span class="linenos">574</span></a> <span class="k">def</span> <span class="nf">_time_format</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">UnixToStr</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrToUnix</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span>
|
|
</span><span id="L-575"><a href="#L-575"><span class="linenos">575</span></a><span class="w"> </span><span class="sd">"""</span>
|
|
</span><span id="L-576"><a href="#L-576"><span class="linenos">576</span></a><span class="sd"> Returns the time format for a given expression, unless it's equivalent</span>
|
|
</span><span id="L-577"><a href="#L-577"><span class="linenos">577</span></a><span class="sd"> to the default time format of the dialect of interest.</span>
|
|
</span><span id="L-578"><a href="#L-578"><span class="linenos">578</span></a><span class="sd"> """</span>
|
|
</span><span id="L-579"><a href="#L-579"><span class="linenos">579</span></a> <span class="n">time_format</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
|
</span><span id="L-580"><a href="#L-580"><span class="linenos">580</span></a> <span class="k">return</span> <span class="n">time_format</span> <span class="k">if</span> <span class="n">time_format</span> <span class="o">!=</span> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span><span class="o">.</span><span class="n">TIME_FORMAT</span> <span class="k">else</span> <span class="kc">None</span>
|
|
</span><span id="L-581"><a href="#L-581"><span class="linenos">581</span></a>
|
|
</span><span id="L-582"><a href="#L-582"><span class="linenos">582</span></a> <span class="k">return</span> <span class="n">_time_format</span>
|
|
</span><span id="L-583"><a href="#L-583"><span class="linenos">583</span></a>
|
|
</span><span id="L-584"><a href="#L-584"><span class="linenos">584</span></a>
|
|
</span><span id="L-585"><a href="#L-585"><span class="linenos">585</span></a><span class="k">def</span> <span class="nf">create_with_partitions_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Create</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-586"><a href="#L-586"><span class="linenos">586</span></a><span class="w"> </span><span class="sd">"""</span>
|
|
</span><span id="L-587"><a href="#L-587"><span class="linenos">587</span></a><span class="sd"> In Hive and Spark, the PARTITIONED BY property acts as an extension of a table's schema. When the</span>
|
|
</span><span id="L-588"><a href="#L-588"><span class="linenos">588</span></a><span class="sd"> PARTITIONED BY value is an array of column names, they are transformed into a schema. The corresponding</span>
|
|
</span><span id="L-589"><a href="#L-589"><span class="linenos">589</span></a><span class="sd"> columns are removed from the create statement.</span>
|
|
</span><span id="L-590"><a href="#L-590"><span class="linenos">590</span></a><span class="sd"> """</span>
|
|
</span><span id="L-591"><a href="#L-591"><span class="linenos">591</span></a> <span class="n">has_schema</span> <span class="o">=</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">)</span>
|
|
</span><span id="L-592"><a href="#L-592"><span class="linenos">592</span></a> <span class="n">is_partitionable</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"kind"</span><span class="p">)</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"TABLE"</span><span class="p">,</span> <span class="s2">"VIEW"</span><span class="p">)</span>
|
|
</span><span id="L-593"><a href="#L-593"><span class="linenos">593</span></a>
|
|
</span><span id="L-594"><a href="#L-594"><span class="linenos">594</span></a> <span class="k">if</span> <span class="n">has_schema</span> <span class="ow">and</span> <span class="n">is_partitionable</span><span class="p">:</span>
|
|
</span><span id="L-595"><a href="#L-595"><span class="linenos">595</span></a> <span class="n">prop</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PartitionedByProperty</span><span class="p">)</span>
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</span><span id="L-596"><a href="#L-596"><span class="linenos">596</span></a> <span class="k">if</span> <span class="n">prop</span> <span class="ow">and</span> <span class="n">prop</span><span class="o">.</span><span class="n">this</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">prop</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">):</span>
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</span><span id="L-597"><a href="#L-597"><span class="linenos">597</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
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</span><span id="L-598"><a href="#L-598"><span class="linenos">598</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">v</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="k">for</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">prop</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">}</span>
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</span><span id="L-599"><a href="#L-599"><span class="linenos">599</span></a> <span class="n">partitions</span> <span class="o">=</span> <span class="p">[</span><span class="n">col</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">]</span>
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</span><span id="L-600"><a href="#L-600"><span class="linenos">600</span></a> <span class="n">schema</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">e</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">e</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">partitions</span><span class="p">])</span>
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</span><span id="L-601"><a href="#L-601"><span class="linenos">601</span></a> <span class="n">prop</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PartitionedByProperty</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">partitions</span><span class="p">)))</span>
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</span><span id="L-602"><a href="#L-602"><span class="linenos">602</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">schema</span><span class="p">)</span>
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|
</span><span id="L-603"><a href="#L-603"><span class="linenos">603</span></a>
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|
</span><span id="L-604"><a href="#L-604"><span class="linenos">604</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">create_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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|
</span><span id="L-605"><a href="#L-605"><span class="linenos">605</span></a>
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|
</span><span id="L-606"><a href="#L-606"><span class="linenos">606</span></a>
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|
</span><span id="L-607"><a href="#L-607"><span class="linenos">607</span></a><span class="k">def</span> <span class="nf">parse_date_delta</span><span class="p">(</span>
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</span><span id="L-608"><a href="#L-608"><span class="linenos">608</span></a> <span class="n">exp_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> <span class="n">unit_mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span>
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</span><span id="L-609"><a href="#L-609"><span class="linenos">609</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span>
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</span><span id="L-610"><a href="#L-610"><span class="linenos">610</span></a> <span class="k">def</span> <span class="nf">inner_func</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span>
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</span><span id="L-611"><a href="#L-611"><span class="linenos">611</span></a> <span class="n">unit_based</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o">==</span> <span class="mi">3</span>
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</span><span id="L-612"><a href="#L-612"><span class="linenos">612</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
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</span><span id="L-613"><a href="#L-613"><span class="linenos">613</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="s2">"DAY"</span><span class="p">)</span>
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|
</span><span id="L-614"><a href="#L-614"><span class="linenos">614</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="n">unit_mapping</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">unit</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">(),</span> <span class="n">unit</span><span class="o">.</span><span class="n">name</span><span class="p">))</span> <span class="k">if</span> <span class="n">unit_mapping</span> <span class="k">else</span> <span class="n">unit</span>
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</span><span id="L-615"><a href="#L-615"><span class="linenos">615</span></a> <span class="k">return</span> <span class="n">exp_class</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">)</span>
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|
</span><span id="L-616"><a href="#L-616"><span class="linenos">616</span></a>
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|
</span><span id="L-617"><a href="#L-617"><span class="linenos">617</span></a> <span class="k">return</span> <span class="n">inner_func</span>
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|
</span><span id="L-618"><a href="#L-618"><span class="linenos">618</span></a>
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|
</span><span id="L-619"><a href="#L-619"><span class="linenos">619</span></a>
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|
</span><span id="L-620"><a href="#L-620"><span class="linenos">620</span></a><span class="k">def</span> <span class="nf">parse_date_delta_with_interval</span><span class="p">(</span>
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</span><span id="L-621"><a href="#L-621"><span class="linenos">621</span></a> <span class="n">expression_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span>
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</span><span id="L-622"><a href="#L-622"><span class="linenos">622</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">E</span><span class="p">]]:</span>
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</span><span id="L-623"><a href="#L-623"><span class="linenos">623</span></a> <span class="k">def</span> <span class="nf">func</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">E</span><span class="p">]:</span>
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</span><span id="L-624"><a href="#L-624"><span class="linenos">624</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o"><</span> <span class="mi">2</span><span class="p">:</span>
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</span><span id="L-625"><a href="#L-625"><span class="linenos">625</span></a> <span class="k">return</span> <span class="kc">None</span>
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|
</span><span id="L-626"><a href="#L-626"><span class="linenos">626</span></a>
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</span><span id="L-627"><a href="#L-627"><span class="linenos">627</span></a> <span class="n">interval</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
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</span><span id="L-628"><a href="#L-628"><span class="linenos">628</span></a>
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</span><span id="L-629"><a href="#L-629"><span class="linenos">629</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">interval</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Interval</span><span class="p">):</span>
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</span><span id="L-630"><a href="#L-630"><span class="linenos">630</span></a> <span class="k">raise</span> <span class="n">ParseError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"INTERVAL expression expected but got '</span><span class="si">{</span><span class="n">interval</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span>
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</span><span id="L-631"><a href="#L-631"><span class="linenos">631</span></a>
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</span><span id="L-632"><a href="#L-632"><span class="linenos">632</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">interval</span><span class="o">.</span><span class="n">this</span>
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</span><span id="L-633"><a href="#L-633"><span class="linenos">633</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span>
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</span><span id="L-634"><a href="#L-634"><span class="linenos">634</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
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</span><span id="L-635"><a href="#L-635"><span class="linenos">635</span></a>
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</span><span id="L-636"><a href="#L-636"><span class="linenos">636</span></a> <span class="k">return</span> <span class="n">expression_class</span><span class="p">(</span>
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</span><span id="L-637"><a href="#L-637"><span class="linenos">637</span></a> <span class="n">this</span><span class="o">=</span><span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="p">,</span> <span class="n">unit</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">interval</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">))</span>
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</span><span id="L-638"><a href="#L-638"><span class="linenos">638</span></a> <span class="p">)</span>
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</span><span id="L-639"><a href="#L-639"><span class="linenos">639</span></a>
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</span><span id="L-640"><a href="#L-640"><span class="linenos">640</span></a> <span class="k">return</span> <span class="n">func</span>
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</span><span id="L-641"><a href="#L-641"><span class="linenos">641</span></a>
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|
</span><span id="L-642"><a href="#L-642"><span class="linenos">642</span></a>
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</span><span id="L-643"><a href="#L-643"><span class="linenos">643</span></a><span class="k">def</span> <span class="nf">date_trunc_to_time</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">:</span>
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</span><span id="L-644"><a href="#L-644"><span class="linenos">644</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
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</span><span id="L-645"><a href="#L-645"><span class="linenos">645</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
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</span><span id="L-646"><a href="#L-646"><span class="linenos">646</span></a>
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</span><span id="L-647"><a href="#L-647"><span class="linenos">647</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"date"</span><span class="p">):</span>
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</span><span id="L-648"><a href="#L-648"><span class="linenos">648</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span><span class="p">(</span><span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">)</span>
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</span><span id="L-649"><a href="#L-649"><span class="linenos">649</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">)</span>
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|
</span><span id="L-650"><a href="#L-650"><span class="linenos">650</span></a>
|
|
</span><span id="L-651"><a href="#L-651"><span class="linenos">651</span></a>
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|
</span><span id="L-652"><a href="#L-652"><span class="linenos">652</span></a><span class="k">def</span> <span class="nf">date_add_interval_sql</span><span class="p">(</span>
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</span><span id="L-653"><a href="#L-653"><span class="linenos">653</span></a> <span class="n">data_type</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">kind</span><span class="p">:</span> <span class="nb">str</span>
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</span><span id="L-654"><a href="#L-654"><span class="linenos">654</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
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</span><span id="L-655"><a href="#L-655"><span class="linenos">655</span></a> <span class="k">def</span> <span class="nf">func</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="L-656"><a href="#L-656"><span class="linenos">656</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span>
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|
</span><span id="L-657"><a href="#L-657"><span class="linenos">657</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span>
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|
</span><span id="L-658"><a href="#L-658"><span class="linenos">658</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="n">unit</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="k">if</span> <span class="n">unit</span> <span class="k">else</span> <span class="s2">"DAY"</span><span class="p">)</span>
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</span><span id="L-659"><a href="#L-659"><span class="linenos">659</span></a> <span class="n">interval</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Interval</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">)</span>
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</span><span id="L-660"><a href="#L-660"><span class="linenos">660</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">data_type</span><span class="si">}</span><span class="s2">_</span><span class="si">{</span><span class="n">kind</span><span class="si">}</span><span class="s2">(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">interval</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span>
|
|
</span><span id="L-661"><a href="#L-661"><span class="linenos">661</span></a>
|
|
</span><span id="L-662"><a href="#L-662"><span class="linenos">662</span></a> <span class="k">return</span> <span class="n">func</span>
|
|
</span><span id="L-663"><a href="#L-663"><span class="linenos">663</span></a>
|
|
</span><span id="L-664"><a href="#L-664"><span class="linenos">664</span></a>
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</span><span id="L-665"><a href="#L-665"><span class="linenos">665</span></a><span class="k">def</span> <span class="nf">timestamptrunc_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="L-666"><a href="#L-666"><span class="linenos">666</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
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</span><span id="L-667"><a href="#L-667"><span class="linenos">667</span></a> <span class="s2">"DATE_TRUNC"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"day"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
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</span><span id="L-668"><a href="#L-668"><span class="linenos">668</span></a> <span class="p">)</span>
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</span><span id="L-669"><a href="#L-669"><span class="linenos">669</span></a>
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</span><span id="L-670"><a href="#L-670"><span class="linenos">670</span></a>
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</span><span id="L-671"><a href="#L-671"><span class="linenos">671</span></a><span class="k">def</span> <span class="nf">no_timestamp_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Timestamp</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="L-672"><a href="#L-672"><span class="linenos">672</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">:</span>
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</span><span id="L-673"><a href="#L-673"><span class="linenos">673</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">))</span>
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</span><span id="L-674"><a href="#L-674"><span class="linenos">674</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"expression"</span><span class="p">)</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="ow">in</span> <span class="n">TIMEZONES</span><span class="p">:</span>
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</span><span id="L-675"><a href="#L-675"><span class="linenos">675</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span>
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</span><span id="L-676"><a href="#L-676"><span class="linenos">676</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">AtTimeZone</span><span class="p">(</span>
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</span><span id="L-677"><a href="#L-677"><span class="linenos">677</span></a> <span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">),</span>
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</span><span id="L-678"><a href="#L-678"><span class="linenos">678</span></a> <span class="n">zone</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span>
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</span><span id="L-679"><a href="#L-679"><span class="linenos">679</span></a> <span class="p">)</span>
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</span><span id="L-680"><a href="#L-680"><span class="linenos">680</span></a> <span class="p">)</span>
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</span><span id="L-681"><a href="#L-681"><span class="linenos">681</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">function_fallback_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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</span><span id="L-682"><a href="#L-682"><span class="linenos">682</span></a>
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</span><span id="L-683"><a href="#L-683"><span class="linenos">683</span></a>
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</span><span id="L-684"><a href="#L-684"><span class="linenos">684</span></a><span class="k">def</span> <span class="nf">locate_to_strposition</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
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</span><span id="L-685"><a href="#L-685"><span class="linenos">685</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">(</span>
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</span><span id="L-686"><a href="#L-686"><span class="linenos">686</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">substr</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">position</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span>
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</span><span id="L-687"><a href="#L-687"><span class="linenos">687</span></a> <span class="p">)</span>
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</span><span id="L-688"><a href="#L-688"><span class="linenos">688</span></a>
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</span><span id="L-689"><a href="#L-689"><span class="linenos">689</span></a>
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</span><span id="L-690"><a href="#L-690"><span class="linenos">690</span></a><span class="k">def</span> <span class="nf">strposition_to_locate_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="L-691"><a href="#L-691"><span class="linenos">691</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
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</span><span id="L-692"><a href="#L-692"><span class="linenos">692</span></a> <span class="s2">"LOCATE"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"substr"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"position"</span><span class="p">)</span>
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</span><span id="L-693"><a href="#L-693"><span class="linenos">693</span></a> <span class="p">)</span>
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</span><span id="L-694"><a href="#L-694"><span class="linenos">694</span></a>
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</span><span id="L-695"><a href="#L-695"><span class="linenos">695</span></a>
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</span><span id="L-696"><a href="#L-696"><span class="linenos">696</span></a><span class="k">def</span> <span class="nf">left_to_substring_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Left</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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|
</span><span id="L-697"><a href="#L-697"><span class="linenos">697</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span>
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|
</span><span id="L-698"><a href="#L-698"><span class="linenos">698</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">(</span>
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|
</span><span id="L-699"><a href="#L-699"><span class="linenos">699</span></a> <span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">1</span><span class="p">),</span> <span class="n">length</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span>
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</span><span id="L-700"><a href="#L-700"><span class="linenos">700</span></a> <span class="p">)</span>
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|
</span><span id="L-701"><a href="#L-701"><span class="linenos">701</span></a> <span class="p">)</span>
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|
</span><span id="L-702"><a href="#L-702"><span class="linenos">702</span></a>
|
|
</span><span id="L-703"><a href="#L-703"><span class="linenos">703</span></a>
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|
</span><span id="L-704"><a href="#L-704"><span class="linenos">704</span></a><span class="k">def</span> <span class="nf">right_to_substring_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Left</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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|
</span><span id="L-705"><a href="#L-705"><span class="linenos">705</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span>
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</span><span id="L-706"><a href="#L-706"><span class="linenos">706</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">(</span>
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|
</span><span id="L-707"><a href="#L-707"><span class="linenos">707</span></a> <span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span>
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</span><span id="L-708"><a href="#L-708"><span class="linenos">708</span></a> <span class="n">start</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Length</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> <span class="o">-</span> <span class="n">exp</span><span class="o">.</span><span class="n">paren</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span> <span class="o">-</span> <span class="mi">1</span><span class="p">),</span>
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|
</span><span id="L-709"><a href="#L-709"><span class="linenos">709</span></a> <span class="p">)</span>
|
|
</span><span id="L-710"><a href="#L-710"><span class="linenos">710</span></a> <span class="p">)</span>
|
|
</span><span id="L-711"><a href="#L-711"><span class="linenos">711</span></a>
|
|
</span><span id="L-712"><a href="#L-712"><span class="linenos">712</span></a>
|
|
</span><span id="L-713"><a href="#L-713"><span class="linenos">713</span></a><span class="k">def</span> <span class="nf">timestrtotime_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimeStrToTime</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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|
</span><span id="L-714"><a href="#L-714"><span class="linenos">714</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="s2">"timestamp"</span><span class="p">))</span>
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|
</span><span id="L-715"><a href="#L-715"><span class="linenos">715</span></a>
|
|
</span><span id="L-716"><a href="#L-716"><span class="linenos">716</span></a>
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|
</span><span id="L-717"><a href="#L-717"><span class="linenos">717</span></a><span class="k">def</span> <span class="nf">datestrtodate_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateStrToDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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|
</span><span id="L-718"><a href="#L-718"><span class="linenos">718</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="s2">"date"</span><span class="p">))</span>
|
|
</span><span id="L-719"><a href="#L-719"><span class="linenos">719</span></a>
|
|
</span><span id="L-720"><a href="#L-720"><span class="linenos">720</span></a>
|
|
</span><span id="L-721"><a href="#L-721"><span class="linenos">721</span></a><span class="c1"># Used for Presto and Duckdb which use functions that don't support charset, and assume utf-8</span>
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|
</span><span id="L-722"><a href="#L-722"><span class="linenos">722</span></a><span class="k">def</span> <span class="nf">encode_decode_sql</span><span class="p">(</span>
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</span><span id="L-723"><a href="#L-723"><span class="linenos">723</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">replace</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span>
|
|
</span><span id="L-724"><a href="#L-724"><span class="linenos">724</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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|
</span><span id="L-725"><a href="#L-725"><span class="linenos">725</span></a> <span class="n">charset</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"charset"</span><span class="p">)</span>
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|
</span><span id="L-726"><a href="#L-726"><span class="linenos">726</span></a> <span class="k">if</span> <span class="n">charset</span> <span class="ow">and</span> <span class="n">charset</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="o">!=</span> <span class="s2">"utf-8"</span><span class="p">:</span>
|
|
</span><span id="L-727"><a href="#L-727"><span class="linenos">727</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Expected utf-8 character set, got </span><span class="si">{</span><span class="n">charset</span><span class="si">}</span><span class="s2">."</span><span class="p">)</span>
|
|
</span><span id="L-728"><a href="#L-728"><span class="linenos">728</span></a>
|
|
</span><span id="L-729"><a href="#L-729"><span class="linenos">729</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"replace"</span><span class="p">)</span> <span class="k">if</span> <span class="n">replace</span> <span class="k">else</span> <span class="kc">None</span><span class="p">)</span>
|
|
</span><span id="L-730"><a href="#L-730"><span class="linenos">730</span></a>
|
|
</span><span id="L-731"><a href="#L-731"><span class="linenos">731</span></a>
|
|
</span><span id="L-732"><a href="#L-732"><span class="linenos">732</span></a><span class="k">def</span> <span class="nf">min_or_least</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Min</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-733"><a href="#L-733"><span class="linenos">733</span></a> <span class="n">name</span> <span class="o">=</span> <span class="s2">"LEAST"</span> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> <span class="k">else</span> <span class="s2">"MIN"</span>
|
|
</span><span id="L-734"><a href="#L-734"><span class="linenos">734</span></a> <span class="k">return</span> <span class="n">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">)(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span>
|
|
</span><span id="L-735"><a href="#L-735"><span class="linenos">735</span></a>
|
|
</span><span id="L-736"><a href="#L-736"><span class="linenos">736</span></a>
|
|
</span><span id="L-737"><a href="#L-737"><span class="linenos">737</span></a><span class="k">def</span> <span class="nf">max_or_greatest</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-738"><a href="#L-738"><span class="linenos">738</span></a> <span class="n">name</span> <span class="o">=</span> <span class="s2">"GREATEST"</span> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> <span class="k">else</span> <span class="s2">"MAX"</span>
|
|
</span><span id="L-739"><a href="#L-739"><span class="linenos">739</span></a> <span class="k">return</span> <span class="n">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">)(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span>
|
|
</span><span id="L-740"><a href="#L-740"><span class="linenos">740</span></a>
|
|
</span><span id="L-741"><a href="#L-741"><span class="linenos">741</span></a>
|
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</span><span id="L-742"><a href="#L-742"><span class="linenos">742</span></a><span class="k">def</span> <span class="nf">count_if_to_sum</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CountIf</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="L-743"><a href="#L-743"><span class="linenos">743</span></a> <span class="n">cond</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
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</span><span id="L-744"><a href="#L-744"><span class="linenos">744</span></a>
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</span><span id="L-745"><a href="#L-745"><span class="linenos">745</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Distinct</span><span class="p">):</span>
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</span><span id="L-746"><a href="#L-746"><span class="linenos">746</span></a> <span class="n">cond</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
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</span><span id="L-747"><a href="#L-747"><span class="linenos">747</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"DISTINCT is not supported when converting COUNT_IF to SUM"</span><span class="p">)</span>
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</span><span id="L-748"><a href="#L-748"><span class="linenos">748</span></a>
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</span><span id="L-749"><a href="#L-749"><span class="linenos">749</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"sum"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"if"</span><span class="p">,</span> <span class="n">cond</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span>
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</span><span id="L-750"><a href="#L-750"><span class="linenos">750</span></a>
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</span><span id="L-751"><a href="#L-751"><span class="linenos">751</span></a>
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</span><span id="L-752"><a href="#L-752"><span class="linenos">752</span></a><span class="k">def</span> <span class="nf">trim_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Trim</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="L-753"><a href="#L-753"><span class="linenos">753</span></a> <span class="n">target</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span>
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</span><span id="L-754"><a href="#L-754"><span class="linenos">754</span></a> <span class="n">trim_type</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"position"</span><span class="p">)</span>
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</span><span id="L-755"><a href="#L-755"><span class="linenos">755</span></a> <span class="n">remove_chars</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"expression"</span><span class="p">)</span>
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</span><span id="L-756"><a href="#L-756"><span class="linenos">756</span></a> <span class="n">collation</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"collation"</span><span class="p">)</span>
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|
</span><span id="L-757"><a href="#L-757"><span class="linenos">757</span></a>
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|
</span><span id="L-758"><a href="#L-758"><span class="linenos">758</span></a> <span class="c1"># Use TRIM/LTRIM/RTRIM syntax if the expression isn't database-specific</span>
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</span><span id="L-759"><a href="#L-759"><span class="linenos">759</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">remove_chars</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">collation</span><span class="p">:</span>
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</span><span id="L-760"><a href="#L-760"><span class="linenos">760</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">trim_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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|
</span><span id="L-761"><a href="#L-761"><span class="linenos">761</span></a>
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|
</span><span id="L-762"><a href="#L-762"><span class="linenos">762</span></a> <span class="n">trim_type</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">trim_type</span><span class="si">}</span><span class="s2"> "</span> <span class="k">if</span> <span class="n">trim_type</span> <span class="k">else</span> <span class="s2">""</span>
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|
</span><span id="L-763"><a href="#L-763"><span class="linenos">763</span></a> <span class="n">remove_chars</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">remove_chars</span><span class="si">}</span><span class="s2"> "</span> <span class="k">if</span> <span class="n">remove_chars</span> <span class="k">else</span> <span class="s2">""</span>
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</span><span id="L-764"><a href="#L-764"><span class="linenos">764</span></a> <span class="n">from_part</span> <span class="o">=</span> <span class="s2">"FROM "</span> <span class="k">if</span> <span class="n">trim_type</span> <span class="ow">or</span> <span class="n">remove_chars</span> <span class="k">else</span> <span class="s2">""</span>
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</span><span id="L-765"><a href="#L-765"><span class="linenos">765</span></a> <span class="n">collation</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">" COLLATE </span><span class="si">{</span><span class="n">collation</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">collation</span> <span class="k">else</span> <span class="s2">""</span>
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</span><span id="L-766"><a href="#L-766"><span class="linenos">766</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"TRIM(</span><span class="si">{</span><span class="n">trim_type</span><span class="si">}{</span><span class="n">remove_chars</span><span class="si">}{</span><span class="n">from_part</span><span class="si">}{</span><span class="n">target</span><span class="si">}{</span><span class="n">collation</span><span class="si">}</span><span class="s2">)"</span>
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</span><span id="L-767"><a href="#L-767"><span class="linenos">767</span></a>
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|
</span><span id="L-768"><a href="#L-768"><span class="linenos">768</span></a>
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|
</span><span id="L-769"><a href="#L-769"><span class="linenos">769</span></a><span class="k">def</span> <span class="nf">str_to_time_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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|
</span><span id="L-770"><a href="#L-770"><span class="linenos">770</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"STRPTIME"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span>
|
|
</span><span id="L-771"><a href="#L-771"><span class="linenos">771</span></a>
|
|
</span><span id="L-772"><a href="#L-772"><span class="linenos">772</span></a>
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|
</span><span id="L-773"><a href="#L-773"><span class="linenos">773</span></a><span class="k">def</span> <span class="nf">ts_or_ds_to_date_sql</span><span class="p">(</span><span class="n">dialect</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">:</span>
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</span><span id="L-774"><a href="#L-774"><span class="linenos">774</span></a> <span class="k">def</span> <span class="nf">_ts_or_ds_to_date_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsToDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="L-775"><a href="#L-775"><span class="linenos">775</span></a> <span class="n">_dialect</span> <span class="o">=</span> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span>
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|
</span><span id="L-776"><a href="#L-776"><span class="linenos">776</span></a> <span class="n">time_format</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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|
</span><span id="L-777"><a href="#L-777"><span class="linenos">777</span></a> <span class="k">if</span> <span class="n">time_format</span> <span class="ow">and</span> <span class="n">time_format</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="n">_dialect</span><span class="o">.</span><span class="n">TIME_FORMAT</span><span class="p">,</span> <span class="n">_dialect</span><span class="o">.</span><span class="n">DATE_FORMAT</span><span class="p">):</span>
|
|
</span><span id="L-778"><a href="#L-778"><span class="linenos">778</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span>
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</span><span id="L-779"><a href="#L-779"><span class="linenos">779</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span>
|
|
</span><span id="L-780"><a href="#L-780"><span class="linenos">780</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StrToTime</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="nb">format</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"format"</span><span class="p">]),</span>
|
|
</span><span id="L-781"><a href="#L-781"><span class="linenos">781</span></a> <span class="s2">"date"</span><span class="p">,</span>
|
|
</span><span id="L-782"><a href="#L-782"><span class="linenos">782</span></a> <span class="p">)</span>
|
|
</span><span id="L-783"><a href="#L-783"><span class="linenos">783</span></a> <span class="p">)</span>
|
|
</span><span id="L-784"><a href="#L-784"><span class="linenos">784</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="s2">"date"</span><span class="p">))</span>
|
|
</span><span id="L-785"><a href="#L-785"><span class="linenos">785</span></a>
|
|
</span><span id="L-786"><a href="#L-786"><span class="linenos">786</span></a> <span class="k">return</span> <span class="n">_ts_or_ds_to_date_sql</span>
|
|
</span><span id="L-787"><a href="#L-787"><span class="linenos">787</span></a>
|
|
</span><span id="L-788"><a href="#L-788"><span class="linenos">788</span></a>
|
|
</span><span id="L-789"><a href="#L-789"><span class="linenos">789</span></a><span class="k">def</span> <span class="nf">concat_to_dpipe_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="L-790"><a href="#L-790"><span class="linenos">790</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">reduce</span><span class="p">(</span><span class="k">lambda</span> <span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DPipe</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">x</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">y</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">))</span>
|
|
</span><span id="L-791"><a href="#L-791"><span class="linenos">791</span></a>
|
|
</span><span id="L-792"><a href="#L-792"><span class="linenos">792</span></a>
|
|
</span><span id="L-793"><a href="#L-793"><span class="linenos">793</span></a><span class="k">def</span> <span class="nf">concat_ws_to_dpipe_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ConcatWs</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-794"><a href="#L-794"><span class="linenos">794</span></a> <span class="n">delim</span><span class="p">,</span> <span class="o">*</span><span class="n">rest_args</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span>
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</span><span id="L-795"><a href="#L-795"><span class="linenos">795</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span>
|
|
</span><span id="L-796"><a href="#L-796"><span class="linenos">796</span></a> <span class="n">reduce</span><span class="p">(</span>
|
|
</span><span id="L-797"><a href="#L-797"><span class="linenos">797</span></a> <span class="k">lambda</span> <span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DPipe</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">x</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DPipe</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">delim</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">y</span><span class="p">)),</span>
|
|
</span><span id="L-798"><a href="#L-798"><span class="linenos">798</span></a> <span class="n">rest_args</span><span class="p">,</span>
|
|
</span><span id="L-799"><a href="#L-799"><span class="linenos">799</span></a> <span class="p">)</span>
|
|
</span><span id="L-800"><a href="#L-800"><span class="linenos">800</span></a> <span class="p">)</span>
|
|
</span><span id="L-801"><a href="#L-801"><span class="linenos">801</span></a>
|
|
</span><span id="L-802"><a href="#L-802"><span class="linenos">802</span></a>
|
|
</span><span id="L-803"><a href="#L-803"><span class="linenos">803</span></a><span class="k">def</span> <span class="nf">regexp_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">RegexpExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-804"><a href="#L-804"><span class="linenos">804</span></a> <span class="n">bad_args</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">filter</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">,</span> <span class="p">(</span><span class="s2">"position"</span><span class="p">,</span> <span class="s2">"occurrence"</span><span class="p">,</span> <span class="s2">"parameters"</span><span class="p">)))</span>
|
|
</span><span id="L-805"><a href="#L-805"><span class="linenos">805</span></a> <span class="k">if</span> <span class="n">bad_args</span><span class="p">:</span>
|
|
</span><span id="L-806"><a href="#L-806"><span class="linenos">806</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="sa">f</span><span class="s2">"REGEXP_EXTRACT does not support the following arg(s): </span><span class="si">{</span><span class="n">bad_args</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
|
</span><span id="L-807"><a href="#L-807"><span class="linenos">807</span></a>
|
|
</span><span id="L-808"><a href="#L-808"><span class="linenos">808</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
|
|
</span><span id="L-809"><a href="#L-809"><span class="linenos">809</span></a> <span class="s2">"REGEXP_EXTRACT"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span>
|
|
</span><span id="L-810"><a href="#L-810"><span class="linenos">810</span></a> <span class="p">)</span>
|
|
</span><span id="L-811"><a href="#L-811"><span class="linenos">811</span></a>
|
|
</span><span id="L-812"><a href="#L-812"><span class="linenos">812</span></a>
|
|
</span><span id="L-813"><a href="#L-813"><span class="linenos">813</span></a><span class="k">def</span> <span class="nf">regexp_replace_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">RegexpReplace</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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|
</span><span id="L-814"><a href="#L-814"><span class="linenos">814</span></a> <span class="n">bad_args</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span>
|
|
</span><span id="L-815"><a href="#L-815"><span class="linenos">815</span></a> <span class="nb">filter</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">,</span> <span class="p">(</span><span class="s2">"position"</span><span class="p">,</span> <span class="s2">"occurrence"</span><span class="p">,</span> <span class="s2">"parameters"</span><span class="p">,</span> <span class="s2">"modifiers"</span><span class="p">))</span>
|
|
</span><span id="L-816"><a href="#L-816"><span class="linenos">816</span></a> <span class="p">)</span>
|
|
</span><span id="L-817"><a href="#L-817"><span class="linenos">817</span></a> <span class="k">if</span> <span class="n">bad_args</span><span class="p">:</span>
|
|
</span><span id="L-818"><a href="#L-818"><span class="linenos">818</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="sa">f</span><span class="s2">"REGEXP_REPLACE does not support the following arg(s): </span><span class="si">{</span><span class="n">bad_args</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
|
</span><span id="L-819"><a href="#L-819"><span class="linenos">819</span></a>
|
|
</span><span id="L-820"><a href="#L-820"><span class="linenos">820</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
|
|
</span><span id="L-821"><a href="#L-821"><span class="linenos">821</span></a> <span class="s2">"REGEXP_REPLACE"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"replacement"</span><span class="p">]</span>
|
|
</span><span id="L-822"><a href="#L-822"><span class="linenos">822</span></a> <span class="p">)</span>
|
|
</span><span id="L-823"><a href="#L-823"><span class="linenos">823</span></a>
|
|
</span><span id="L-824"><a href="#L-824"><span class="linenos">824</span></a>
|
|
</span><span id="L-825"><a href="#L-825"><span class="linenos">825</span></a><span class="k">def</span> <span class="nf">pivot_column_names</span><span class="p">(</span><span class="n">aggregations</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span>
|
|
</span><span id="L-826"><a href="#L-826"><span class="linenos">826</span></a> <span class="n">names</span> <span class="o">=</span> <span class="p">[]</span>
|
|
</span><span id="L-827"><a href="#L-827"><span class="linenos">827</span></a> <span class="k">for</span> <span class="n">agg</span> <span class="ow">in</span> <span class="n">aggregations</span><span class="p">:</span>
|
|
</span><span id="L-828"><a href="#L-828"><span class="linenos">828</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">agg</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span>
|
|
</span><span id="L-829"><a href="#L-829"><span class="linenos">829</span></a> <span class="n">names</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">agg</span><span class="o">.</span><span class="n">alias</span><span class="p">)</span>
|
|
</span><span id="L-830"><a href="#L-830"><span class="linenos">830</span></a> <span class="k">else</span><span class="p">:</span>
|
|
</span><span id="L-831"><a href="#L-831"><span class="linenos">831</span></a><span class="w"> </span><span class="sd">"""</span>
|
|
</span><span id="L-832"><a href="#L-832"><span class="linenos">832</span></a><span class="sd"> This case corresponds to aggregations without aliases being used as suffixes</span>
|
|
</span><span id="L-833"><a href="#L-833"><span class="linenos">833</span></a><span class="sd"> (e.g. col_avg(foo)). We need to unquote identifiers because they're going to</span>
|
|
</span><span id="L-834"><a href="#L-834"><span class="linenos">834</span></a><span class="sd"> be quoted in the base parser's `_parse_pivot` method, due to `to_identifier`.</span>
|
|
</span><span id="L-835"><a href="#L-835"><span class="linenos">835</span></a><span class="sd"> Otherwise, we'd end up with `col_avg(`foo`)` (notice the double quotes).</span>
|
|
</span><span id="L-836"><a href="#L-836"><span class="linenos">836</span></a><span class="sd"> """</span>
|
|
</span><span id="L-837"><a href="#L-837"><span class="linenos">837</span></a> <span class="n">agg_all_unquoted</span> <span class="o">=</span> <span class="n">agg</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span>
|
|
</span><span id="L-838"><a href="#L-838"><span class="linenos">838</span></a> <span class="k">lambda</span> <span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">node</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
|
</span><span id="L-839"><a href="#L-839"><span class="linenos">839</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span>
|
|
</span><span id="L-840"><a href="#L-840"><span class="linenos">840</span></a> <span class="k">else</span> <span class="n">node</span>
|
|
</span><span id="L-841"><a href="#L-841"><span class="linenos">841</span></a> <span class="p">)</span>
|
|
</span><span id="L-842"><a href="#L-842"><span class="linenos">842</span></a> <span class="n">names</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">agg_all_unquoted</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">normalize_functions</span><span class="o">=</span><span class="s2">"lower"</span><span class="p">))</span>
|
|
</span><span id="L-843"><a href="#L-843"><span class="linenos">843</span></a>
|
|
</span><span id="L-844"><a href="#L-844"><span class="linenos">844</span></a> <span class="k">return</span> <span class="n">names</span>
|
|
</span><span id="L-845"><a href="#L-845"><span class="linenos">845</span></a>
|
|
</span><span id="L-846"><a href="#L-846"><span class="linenos">846</span></a>
|
|
</span><span id="L-847"><a href="#L-847"><span class="linenos">847</span></a><span class="k">def</span> <span class="nf">binary_from_function</span><span class="p">(</span><span class="n">expr_type</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">B</span><span class="p">])</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">B</span><span class="p">]:</span>
|
|
</span><span id="L-848"><a href="#L-848"><span class="linenos">848</span></a> <span class="k">return</span> <span class="k">lambda</span> <span class="n">args</span><span class="p">:</span> <span class="n">expr_type</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">expression</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">))</span>
|
|
</span><span id="L-849"><a href="#L-849"><span class="linenos">849</span></a>
|
|
</span><span id="L-850"><a href="#L-850"><span class="linenos">850</span></a>
|
|
</span><span id="L-851"><a href="#L-851"><span class="linenos">851</span></a><span class="c1"># Used to represent DATE_TRUNC in Doris, Postgres and Starrocks dialects</span>
|
|
</span><span id="L-852"><a href="#L-852"><span class="linenos">852</span></a><span class="k">def</span> <span class="nf">parse_timestamp_trunc</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">:</span>
|
|
</span><span id="L-853"><a href="#L-853"><span class="linenos">853</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">unit</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span>
|
|
</span><span id="L-854"><a href="#L-854"><span class="linenos">854</span></a>
|
|
</span><span id="L-855"><a href="#L-855"><span class="linenos">855</span></a>
|
|
</span><span id="L-856"><a href="#L-856"><span class="linenos">856</span></a><span class="k">def</span> <span class="nf">any_value_to_max_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">AnyValue</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-857"><a href="#L-857"><span class="linenos">857</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
|
</span><span id="L-858"><a href="#L-858"><span class="linenos">858</span></a>
|
|
</span><span id="L-859"><a href="#L-859"><span class="linenos">859</span></a>
|
|
</span><span id="L-860"><a href="#L-860"><span class="linenos">860</span></a><span class="k">def</span> <span class="nf">bool_xor_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Xor</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-861"><a href="#L-861"><span class="linenos">861</span></a> <span class="n">a</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">)</span>
|
|
</span><span id="L-862"><a href="#L-862"><span class="linenos">862</span></a> <span class="n">b</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="p">)</span>
|
|
</span><span id="L-863"><a href="#L-863"><span class="linenos">863</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">a</span><span class="si">}</span><span class="s2"> AND (NOT </span><span class="si">{</span><span class="n">b</span><span class="si">}</span><span class="s2">)) OR ((NOT </span><span class="si">{</span><span class="n">a</span><span class="si">}</span><span class="s2">) AND </span><span class="si">{</span><span class="n">b</span><span class="si">}</span><span class="s2">)"</span>
|
|
</span><span id="L-864"><a href="#L-864"><span class="linenos">864</span></a>
|
|
</span><span id="L-865"><a href="#L-865"><span class="linenos">865</span></a>
|
|
</span><span id="L-866"><a href="#L-866"><span class="linenos">866</span></a><span class="c1"># Used to generate JSON_OBJECT with a comma in BigQuery and MySQL instead of colon</span>
|
|
</span><span id="L-867"><a href="#L-867"><span class="linenos">867</span></a><span class="k">def</span> <span class="nf">json_keyvalue_comma_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONKeyValue</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-868"><a href="#L-868"><span class="linenos">868</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'expression'</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span>
|
|
</span><span id="L-869"><a href="#L-869"><span class="linenos">869</span></a>
|
|
</span><span id="L-870"><a href="#L-870"><span class="linenos">870</span></a>
|
|
</span><span id="L-871"><a href="#L-871"><span class="linenos">871</span></a><span class="k">def</span> <span class="nf">is_parse_json</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
|
|
</span><span id="L-872"><a href="#L-872"><span class="linenos">872</span></a> <span class="k">return</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ParseJSON</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span>
|
|
</span><span id="L-873"><a href="#L-873"><span class="linenos">873</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"json"</span><span class="p">)</span>
|
|
</span><span id="L-874"><a href="#L-874"><span class="linenos">874</span></a> <span class="p">)</span>
|
|
</span><span id="L-875"><a href="#L-875"><span class="linenos">875</span></a>
|
|
</span><span id="L-876"><a href="#L-876"><span class="linenos">876</span></a>
|
|
</span><span id="L-877"><a href="#L-877"><span class="linenos">877</span></a><span class="k">def</span> <span class="nf">isnull_to_is_null</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
|
</span><span id="L-878"><a href="#L-878"><span class="linenos">878</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()))</span>
|
|
</span><span id="L-879"><a href="#L-879"><span class="linenos">879</span></a>
|
|
</span><span id="L-880"><a href="#L-880"><span class="linenos">880</span></a>
|
|
</span><span id="L-881"><a href="#L-881"><span class="linenos">881</span></a><span class="k">def</span> <span class="nf">generatedasidentitycolumnconstraint_sql</span><span class="p">(</span>
|
|
</span><span id="L-882"><a href="#L-882"><span class="linenos">882</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GeneratedAsIdentityColumnConstraint</span>
|
|
</span><span id="L-883"><a href="#L-883"><span class="linenos">883</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-884"><a href="#L-884"><span class="linenos">884</span></a> <span class="n">start</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"start"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"1"</span>
|
|
</span><span id="L-885"><a href="#L-885"><span class="linenos">885</span></a> <span class="n">increment</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"increment"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"1"</span>
|
|
</span><span id="L-886"><a href="#L-886"><span class="linenos">886</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IDENTITY(</span><span class="si">{</span><span class="n">start</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">increment</span><span class="si">}</span><span class="s2">)"</span>
|
|
</span><span id="L-887"><a href="#L-887"><span class="linenos">887</span></a>
|
|
</span><span id="L-888"><a href="#L-888"><span class="linenos">888</span></a>
|
|
</span><span id="L-889"><a href="#L-889"><span class="linenos">889</span></a><span class="k">def</span> <span class="nf">arg_max_or_min_no_count</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMax</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMin</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
|
</span><span id="L-890"><a href="#L-890"><span class="linenos">890</span></a> <span class="k">def</span> <span class="nf">_arg_max_or_min_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMax</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMin</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-891"><a href="#L-891"><span class="linenos">891</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"count"</span><span class="p">):</span>
|
|
</span><span id="L-892"><a href="#L-892"><span class="linenos">892</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Only two arguments are supported in function </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">."</span><span class="p">)</span>
|
|
</span><span id="L-893"><a href="#L-893"><span class="linenos">893</span></a>
|
|
</span><span id="L-894"><a href="#L-894"><span class="linenos">894</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span>
|
|
</span><span id="L-895"><a href="#L-895"><span class="linenos">895</span></a>
|
|
</span><span id="L-896"><a href="#L-896"><span class="linenos">896</span></a> <span class="k">return</span> <span class="n">_arg_max_or_min_sql</span>
|
|
</span><span id="L-897"><a href="#L-897"><span class="linenos">897</span></a>
|
|
</span><span id="L-898"><a href="#L-898"><span class="linenos">898</span></a>
|
|
</span><span id="L-899"><a href="#L-899"><span class="linenos">899</span></a><span class="k">def</span> <span class="nf">ts_or_ds_add_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">:</span>
|
|
</span><span id="L-900"><a href="#L-900"><span class="linenos">900</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
|
|
</span><span id="L-901"><a href="#L-901"><span class="linenos">901</span></a>
|
|
</span><span id="L-902"><a href="#L-902"><span class="linenos">902</span></a> <span class="n">return_type</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">return_type</span>
|
|
</span><span id="L-903"><a href="#L-903"><span class="linenos">903</span></a> <span class="k">if</span> <span class="n">return_type</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">):</span>
|
|
</span><span id="L-904"><a href="#L-904"><span class="linenos">904</span></a> <span class="c1"># If we need to cast to a DATE, we cast to TIMESTAMP first to make sure we</span>
|
|
</span><span id="L-905"><a href="#L-905"><span class="linenos">905</span></a> <span class="c1"># can truncate timestamp strings, because some dialects can't cast them to DATE</span>
|
|
</span><span id="L-906"><a href="#L-906"><span class="linenos">906</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">)</span>
|
|
</span><span id="L-907"><a href="#L-907"><span class="linenos">907</span></a>
|
|
</span><span id="L-908"><a href="#L-908"><span class="linenos">908</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">return_type</span><span class="p">))</span>
|
|
</span><span id="L-909"><a href="#L-909"><span class="linenos">909</span></a> <span class="k">return</span> <span class="n">expression</span>
|
|
</span><span id="L-910"><a href="#L-910"><span class="linenos">910</span></a>
|
|
</span><span id="L-911"><a href="#L-911"><span class="linenos">911</span></a>
|
|
</span><span id="L-912"><a href="#L-912"><span class="linenos">912</span></a><span class="k">def</span> <span class="nf">date_delta_sql</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">cast</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">DATE_ADD_OR_DIFF</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
|
</span><span id="L-913"><a href="#L-913"><span class="linenos">913</span></a> <span class="k">def</span> <span class="nf">_delta_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">DATE_ADD_OR_DIFF</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="L-914"><a href="#L-914"><span class="linenos">914</span></a> <span class="k">if</span> <span class="n">cast</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">):</span>
|
|
</span><span id="L-915"><a href="#L-915"><span class="linenos">915</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">ts_or_ds_add_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
|
</span><span id="L-916"><a href="#L-916"><span class="linenos">916</span></a>
|
|
</span><span id="L-917"><a href="#L-917"><span class="linenos">917</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
|
|
</span><span id="L-918"><a href="#L-918"><span class="linenos">918</span></a> <span class="n">name</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"day"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
|
|
</span><span id="L-919"><a href="#L-919"><span class="linenos">919</span></a> <span class="p">)</span>
|
|
</span><span id="L-920"><a href="#L-920"><span class="linenos">920</span></a>
|
|
</span><span id="L-921"><a href="#L-921"><span class="linenos">921</span></a> <span class="k">return</span> <span class="n">_delta_sql</span>
|
|
</span></pre></div>
|
|
|
|
|
|
</section>
|
|
<section id="DATE_ADD_OR_DIFF">
|
|
<div class="attr variable">
|
|
<span class="name">DATE_ADD_OR_DIFF</span> =
|
|
<input id="DATE_ADD_OR_DIFF-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<label class="view-value-button pdoc-button" for="DATE_ADD_OR_DIFF-view-value"></label><span class="default_value">typing.Union[<a href="../expressions.html#DateAdd">sqlglot.expressions.DateAdd</a>, <a href="../expressions.html#TsOrDsAdd">sqlglot.expressions.TsOrDsAdd</a>, <a href="../expressions.html#DateDiff">sqlglot.expressions.DateDiff</a>, <a href="../expressions.html#TsOrDsDiff">sqlglot.expressions.TsOrDsDiff</a>]</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#DATE_ADD_OR_DIFF"></a>
|
|
|
|
|
|
|
|
</section>
|
|
<section id="DATE_ADD_OR_SUB">
|
|
<div class="attr variable">
|
|
<span class="name">DATE_ADD_OR_SUB</span> =
|
|
<input id="DATE_ADD_OR_SUB-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<label class="view-value-button pdoc-button" for="DATE_ADD_OR_SUB-view-value"></label><span class="default_value">typing.Union[<a href="../expressions.html#DateAdd">sqlglot.expressions.DateAdd</a>, <a href="../expressions.html#TsOrDsAdd">sqlglot.expressions.TsOrDsAdd</a>, <a href="../expressions.html#DateSub">sqlglot.expressions.DateSub</a>]</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#DATE_ADD_OR_SUB"></a>
|
|
|
|
|
|
|
|
</section>
|
|
<section id="Dialects">
|
|
<input id="Dialects-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr class">
|
|
|
|
<span class="def">class</span>
|
|
<span class="name">Dialects</span><wbr>(<span class="base">builtins.str</span>, <span class="base">enum.Enum</span>):
|
|
|
|
<label class="view-source-button" for="Dialects-view-source"><span>View Source</span></label>
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="Dialects-24"><a href="#Dialects-24"><span class="linenos">24</span></a><span class="k">class</span> <span class="nc">Dialects</span><span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="n">Enum</span><span class="p">):</span>
|
|
</span><span id="Dialects-25"><a href="#Dialects-25"><span class="linenos">25</span></a> <span class="n">DIALECT</span> <span class="o">=</span> <span class="s2">""</span>
|
|
</span><span id="Dialects-26"><a href="#Dialects-26"><span class="linenos">26</span></a>
|
|
</span><span id="Dialects-27"><a href="#Dialects-27"><span class="linenos">27</span></a> <span class="n">BIGQUERY</span> <span class="o">=</span> <span class="s2">"bigquery"</span>
|
|
</span><span id="Dialects-28"><a href="#Dialects-28"><span class="linenos">28</span></a> <span class="n">CLICKHOUSE</span> <span class="o">=</span> <span class="s2">"clickhouse"</span>
|
|
</span><span id="Dialects-29"><a href="#Dialects-29"><span class="linenos">29</span></a> <span class="n">DATABRICKS</span> <span class="o">=</span> <span class="s2">"databricks"</span>
|
|
</span><span id="Dialects-30"><a href="#Dialects-30"><span class="linenos">30</span></a> <span class="n">DRILL</span> <span class="o">=</span> <span class="s2">"drill"</span>
|
|
</span><span id="Dialects-31"><a href="#Dialects-31"><span class="linenos">31</span></a> <span class="n">DUCKDB</span> <span class="o">=</span> <span class="s2">"duckdb"</span>
|
|
</span><span id="Dialects-32"><a href="#Dialects-32"><span class="linenos">32</span></a> <span class="n">HIVE</span> <span class="o">=</span> <span class="s2">"hive"</span>
|
|
</span><span id="Dialects-33"><a href="#Dialects-33"><span class="linenos">33</span></a> <span class="n">MYSQL</span> <span class="o">=</span> <span class="s2">"mysql"</span>
|
|
</span><span id="Dialects-34"><a href="#Dialects-34"><span class="linenos">34</span></a> <span class="n">ORACLE</span> <span class="o">=</span> <span class="s2">"oracle"</span>
|
|
</span><span id="Dialects-35"><a href="#Dialects-35"><span class="linenos">35</span></a> <span class="n">POSTGRES</span> <span class="o">=</span> <span class="s2">"postgres"</span>
|
|
</span><span id="Dialects-36"><a href="#Dialects-36"><span class="linenos">36</span></a> <span class="n">PRESTO</span> <span class="o">=</span> <span class="s2">"presto"</span>
|
|
</span><span id="Dialects-37"><a href="#Dialects-37"><span class="linenos">37</span></a> <span class="n">REDSHIFT</span> <span class="o">=</span> <span class="s2">"redshift"</span>
|
|
</span><span id="Dialects-38"><a href="#Dialects-38"><span class="linenos">38</span></a> <span class="n">SNOWFLAKE</span> <span class="o">=</span> <span class="s2">"snowflake"</span>
|
|
</span><span id="Dialects-39"><a href="#Dialects-39"><span class="linenos">39</span></a> <span class="n">SPARK</span> <span class="o">=</span> <span class="s2">"spark"</span>
|
|
</span><span id="Dialects-40"><a href="#Dialects-40"><span class="linenos">40</span></a> <span class="n">SPARK2</span> <span class="o">=</span> <span class="s2">"spark2"</span>
|
|
</span><span id="Dialects-41"><a href="#Dialects-41"><span class="linenos">41</span></a> <span class="n">SQLITE</span> <span class="o">=</span> <span class="s2">"sqlite"</span>
|
|
</span><span id="Dialects-42"><a href="#Dialects-42"><span class="linenos">42</span></a> <span class="n">STARROCKS</span> <span class="o">=</span> <span class="s2">"starrocks"</span>
|
|
</span><span id="Dialects-43"><a href="#Dialects-43"><span class="linenos">43</span></a> <span class="n">TABLEAU</span> <span class="o">=</span> <span class="s2">"tableau"</span>
|
|
</span><span id="Dialects-44"><a href="#Dialects-44"><span class="linenos">44</span></a> <span class="n">TERADATA</span> <span class="o">=</span> <span class="s2">"teradata"</span>
|
|
</span><span id="Dialects-45"><a href="#Dialects-45"><span class="linenos">45</span></a> <span class="n">TRINO</span> <span class="o">=</span> <span class="s2">"trino"</span>
|
|
</span><span id="Dialects-46"><a href="#Dialects-46"><span class="linenos">46</span></a> <span class="n">TSQL</span> <span class="o">=</span> <span class="s2">"tsql"</span>
|
|
</span><span id="Dialects-47"><a href="#Dialects-47"><span class="linenos">47</span></a> <span class="n">Doris</span> <span class="o">=</span> <span class="s2">"doris"</span>
|
|
</span></pre></div>
|
|
|
|
|
|
<div class="docstring"><p>An enumeration.</p>
|
|
</div>
|
|
|
|
|
|
<div id="Dialects.DIALECT" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">DIALECT</span> =
|
|
<span class="default_value"><<a href="#Dialects.DIALECT">Dialects.DIALECT</a>: ''></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.DIALECT"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.BIGQUERY" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">BIGQUERY</span> =
|
|
<span class="default_value"><<a href="#Dialects.BIGQUERY">Dialects.BIGQUERY</a>: 'bigquery'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.BIGQUERY"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.CLICKHOUSE" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">CLICKHOUSE</span> =
|
|
<span class="default_value"><<a href="#Dialects.CLICKHOUSE">Dialects.CLICKHOUSE</a>: 'clickhouse'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.CLICKHOUSE"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.DATABRICKS" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">DATABRICKS</span> =
|
|
<span class="default_value"><<a href="#Dialects.DATABRICKS">Dialects.DATABRICKS</a>: 'databricks'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.DATABRICKS"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.DRILL" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">DRILL</span> =
|
|
<span class="default_value"><<a href="#Dialects.DRILL">Dialects.DRILL</a>: 'drill'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.DRILL"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.DUCKDB" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">DUCKDB</span> =
|
|
<span class="default_value"><<a href="#Dialects.DUCKDB">Dialects.DUCKDB</a>: 'duckdb'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.DUCKDB"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.HIVE" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">HIVE</span> =
|
|
<span class="default_value"><<a href="#Dialects.HIVE">Dialects.HIVE</a>: 'hive'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.HIVE"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.MYSQL" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">MYSQL</span> =
|
|
<span class="default_value"><<a href="#Dialects.MYSQL">Dialects.MYSQL</a>: 'mysql'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.MYSQL"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.ORACLE" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">ORACLE</span> =
|
|
<span class="default_value"><<a href="#Dialects.ORACLE">Dialects.ORACLE</a>: 'oracle'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.ORACLE"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.POSTGRES" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">POSTGRES</span> =
|
|
<span class="default_value"><<a href="#Dialects.POSTGRES">Dialects.POSTGRES</a>: 'postgres'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.POSTGRES"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.PRESTO" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">PRESTO</span> =
|
|
<span class="default_value"><<a href="#Dialects.PRESTO">Dialects.PRESTO</a>: 'presto'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.PRESTO"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.REDSHIFT" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">REDSHIFT</span> =
|
|
<span class="default_value"><<a href="#Dialects.REDSHIFT">Dialects.REDSHIFT</a>: 'redshift'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.REDSHIFT"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.SNOWFLAKE" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">SNOWFLAKE</span> =
|
|
<span class="default_value"><<a href="#Dialects.SNOWFLAKE">Dialects.SNOWFLAKE</a>: 'snowflake'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.SNOWFLAKE"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.SPARK" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">SPARK</span> =
|
|
<span class="default_value"><<a href="#Dialects.SPARK">Dialects.SPARK</a>: 'spark'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.SPARK"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.SPARK2" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">SPARK2</span> =
|
|
<span class="default_value"><<a href="#Dialects.SPARK2">Dialects.SPARK2</a>: 'spark2'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.SPARK2"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.SQLITE" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">SQLITE</span> =
|
|
<span class="default_value"><<a href="#Dialects.SQLITE">Dialects.SQLITE</a>: 'sqlite'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.SQLITE"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.STARROCKS" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">STARROCKS</span> =
|
|
<span class="default_value"><<a href="#Dialects.STARROCKS">Dialects.STARROCKS</a>: 'starrocks'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.STARROCKS"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.TABLEAU" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">TABLEAU</span> =
|
|
<span class="default_value"><<a href="#Dialects.TABLEAU">Dialects.TABLEAU</a>: 'tableau'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.TABLEAU"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.TERADATA" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">TERADATA</span> =
|
|
<span class="default_value"><<a href="#Dialects.TERADATA">Dialects.TERADATA</a>: 'teradata'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.TERADATA"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.TRINO" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">TRINO</span> =
|
|
<span class="default_value"><<a href="#Dialects.TRINO">Dialects.TRINO</a>: 'trino'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.TRINO"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.TSQL" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">TSQL</span> =
|
|
<span class="default_value"><<a href="#Dialects.TSQL">Dialects.TSQL</a>: 'tsql'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.TSQL"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialects.Doris" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">Doris</span> =
|
|
<span class="default_value"><<a href="#Dialects.Doris">Dialects.Doris</a>: 'doris'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialects.Doris"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div class="inherited">
|
|
<h5>Inherited Members</h5>
|
|
<dl>
|
|
<div><dt>enum.Enum</dt>
|
|
<dd id="Dialects.name" class="variable">name</dd>
|
|
<dd id="Dialects.value" class="variable">value</dd>
|
|
|
|
</div>
|
|
<div><dt>builtins.str</dt>
|
|
<dd id="Dialects.encode" class="function">encode</dd>
|
|
<dd id="Dialects.replace" class="function">replace</dd>
|
|
<dd id="Dialects.split" class="function">split</dd>
|
|
<dd id="Dialects.rsplit" class="function">rsplit</dd>
|
|
<dd id="Dialects.join" class="function">join</dd>
|
|
<dd id="Dialects.capitalize" class="function">capitalize</dd>
|
|
<dd id="Dialects.casefold" class="function">casefold</dd>
|
|
<dd id="Dialects.title" class="function">title</dd>
|
|
<dd id="Dialects.center" class="function">center</dd>
|
|
<dd id="Dialects.count" class="function">count</dd>
|
|
<dd id="Dialects.expandtabs" class="function">expandtabs</dd>
|
|
<dd id="Dialects.find" class="function">find</dd>
|
|
<dd id="Dialects.partition" class="function">partition</dd>
|
|
<dd id="Dialects.index" class="function">index</dd>
|
|
<dd id="Dialects.ljust" class="function">ljust</dd>
|
|
<dd id="Dialects.lower" class="function">lower</dd>
|
|
<dd id="Dialects.lstrip" class="function">lstrip</dd>
|
|
<dd id="Dialects.rfind" class="function">rfind</dd>
|
|
<dd id="Dialects.rindex" class="function">rindex</dd>
|
|
<dd id="Dialects.rjust" class="function">rjust</dd>
|
|
<dd id="Dialects.rstrip" class="function">rstrip</dd>
|
|
<dd id="Dialects.rpartition" class="function">rpartition</dd>
|
|
<dd id="Dialects.splitlines" class="function">splitlines</dd>
|
|
<dd id="Dialects.strip" class="function">strip</dd>
|
|
<dd id="Dialects.swapcase" class="function">swapcase</dd>
|
|
<dd id="Dialects.translate" class="function">translate</dd>
|
|
<dd id="Dialects.upper" class="function">upper</dd>
|
|
<dd id="Dialects.startswith" class="function">startswith</dd>
|
|
<dd id="Dialects.endswith" class="function">endswith</dd>
|
|
<dd id="Dialects.removeprefix" class="function">removeprefix</dd>
|
|
<dd id="Dialects.removesuffix" class="function">removesuffix</dd>
|
|
<dd id="Dialects.isascii" class="function">isascii</dd>
|
|
<dd id="Dialects.islower" class="function">islower</dd>
|
|
<dd id="Dialects.isupper" class="function">isupper</dd>
|
|
<dd id="Dialects.istitle" class="function">istitle</dd>
|
|
<dd id="Dialects.isspace" class="function">isspace</dd>
|
|
<dd id="Dialects.isdecimal" class="function">isdecimal</dd>
|
|
<dd id="Dialects.isdigit" class="function">isdigit</dd>
|
|
<dd id="Dialects.isnumeric" class="function">isnumeric</dd>
|
|
<dd id="Dialects.isalpha" class="function">isalpha</dd>
|
|
<dd id="Dialects.isalnum" class="function">isalnum</dd>
|
|
<dd id="Dialects.isidentifier" class="function">isidentifier</dd>
|
|
<dd id="Dialects.isprintable" class="function">isprintable</dd>
|
|
<dd id="Dialects.zfill" class="function">zfill</dd>
|
|
<dd id="Dialects.format" class="function">format</dd>
|
|
<dd id="Dialects.format_map" class="function">format_map</dd>
|
|
<dd id="Dialects.maketrans" class="function">maketrans</dd>
|
|
|
|
</div>
|
|
</dl>
|
|
</div>
|
|
</section>
|
|
<section id="NormalizationStrategy">
|
|
<input id="NormalizationStrategy-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr class">
|
|
|
|
<span class="def">class</span>
|
|
<span class="name">NormalizationStrategy</span><wbr>(<span class="base">builtins.str</span>, <span class="base"><a href="../helper.html#AutoName">sqlglot.helper.AutoName</a></span>):
|
|
|
|
<label class="view-source-button" for="NormalizationStrategy-view-source"><span>View Source</span></label>
|
|
|
|
</div>
|
|
<a class="headerlink" href="#NormalizationStrategy"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="NormalizationStrategy-50"><a href="#NormalizationStrategy-50"><span class="linenos">50</span></a><span class="k">class</span> <span class="nc">NormalizationStrategy</span><span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="n">AutoName</span><span class="p">):</span>
|
|
</span><span id="NormalizationStrategy-51"><a href="#NormalizationStrategy-51"><span class="linenos">51</span></a><span class="w"> </span><span class="sd">"""Specifies the strategy according to which identifiers should be normalized."""</span>
|
|
</span><span id="NormalizationStrategy-52"><a href="#NormalizationStrategy-52"><span class="linenos">52</span></a>
|
|
</span><span id="NormalizationStrategy-53"><a href="#NormalizationStrategy-53"><span class="linenos">53</span></a> <span class="n">LOWERCASE</span> <span class="o">=</span> <span class="n">auto</span><span class="p">()</span> <span class="c1"># Unquoted identifiers are lowercased</span>
|
|
</span><span id="NormalizationStrategy-54"><a href="#NormalizationStrategy-54"><span class="linenos">54</span></a> <span class="n">UPPERCASE</span> <span class="o">=</span> <span class="n">auto</span><span class="p">()</span> <span class="c1"># Unquoted identifiers are uppercased</span>
|
|
</span><span id="NormalizationStrategy-55"><a href="#NormalizationStrategy-55"><span class="linenos">55</span></a> <span class="n">CASE_SENSITIVE</span> <span class="o">=</span> <span class="n">auto</span><span class="p">()</span> <span class="c1"># Always case-sensitive, regardless of quotes</span>
|
|
</span><span id="NormalizationStrategy-56"><a href="#NormalizationStrategy-56"><span class="linenos">56</span></a> <span class="n">CASE_INSENSITIVE</span> <span class="o">=</span> <span class="n">auto</span><span class="p">()</span> <span class="c1"># Always case-insensitive, regardless of quotes</span>
|
|
</span></pre></div>
|
|
|
|
|
|
<div class="docstring"><p>Specifies the strategy according to which identifiers should be normalized.</p>
|
|
</div>
|
|
|
|
|
|
<div id="NormalizationStrategy.LOWERCASE" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">LOWERCASE</span> =
|
|
<span class="default_value"><<a href="#NormalizationStrategy.LOWERCASE">NormalizationStrategy.LOWERCASE</a>: 'LOWERCASE'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#NormalizationStrategy.LOWERCASE"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="NormalizationStrategy.UPPERCASE" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">UPPERCASE</span> =
|
|
<span class="default_value"><<a href="#NormalizationStrategy.UPPERCASE">NormalizationStrategy.UPPERCASE</a>: 'UPPERCASE'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#NormalizationStrategy.UPPERCASE"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="NormalizationStrategy.CASE_SENSITIVE" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">CASE_SENSITIVE</span> =
|
|
<span class="default_value"><<a href="#NormalizationStrategy.CASE_SENSITIVE">NormalizationStrategy.CASE_SENSITIVE</a>: 'CASE_SENSITIVE'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#NormalizationStrategy.CASE_SENSITIVE"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="NormalizationStrategy.CASE_INSENSITIVE" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">CASE_INSENSITIVE</span> =
|
|
<span class="default_value"><<a href="#NormalizationStrategy.CASE_INSENSITIVE">NormalizationStrategy.CASE_INSENSITIVE</a>: 'CASE_INSENSITIVE'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#NormalizationStrategy.CASE_INSENSITIVE"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div class="inherited">
|
|
<h5>Inherited Members</h5>
|
|
<dl>
|
|
<div><dt>enum.Enum</dt>
|
|
<dd id="NormalizationStrategy.name" class="variable">name</dd>
|
|
<dd id="NormalizationStrategy.value" class="variable">value</dd>
|
|
|
|
</div>
|
|
<div><dt>builtins.str</dt>
|
|
<dd id="NormalizationStrategy.encode" class="function">encode</dd>
|
|
<dd id="NormalizationStrategy.replace" class="function">replace</dd>
|
|
<dd id="NormalizationStrategy.split" class="function">split</dd>
|
|
<dd id="NormalizationStrategy.rsplit" class="function">rsplit</dd>
|
|
<dd id="NormalizationStrategy.join" class="function">join</dd>
|
|
<dd id="NormalizationStrategy.capitalize" class="function">capitalize</dd>
|
|
<dd id="NormalizationStrategy.casefold" class="function">casefold</dd>
|
|
<dd id="NormalizationStrategy.title" class="function">title</dd>
|
|
<dd id="NormalizationStrategy.center" class="function">center</dd>
|
|
<dd id="NormalizationStrategy.count" class="function">count</dd>
|
|
<dd id="NormalizationStrategy.expandtabs" class="function">expandtabs</dd>
|
|
<dd id="NormalizationStrategy.find" class="function">find</dd>
|
|
<dd id="NormalizationStrategy.partition" class="function">partition</dd>
|
|
<dd id="NormalizationStrategy.index" class="function">index</dd>
|
|
<dd id="NormalizationStrategy.ljust" class="function">ljust</dd>
|
|
<dd id="NormalizationStrategy.lower" class="function">lower</dd>
|
|
<dd id="NormalizationStrategy.lstrip" class="function">lstrip</dd>
|
|
<dd id="NormalizationStrategy.rfind" class="function">rfind</dd>
|
|
<dd id="NormalizationStrategy.rindex" class="function">rindex</dd>
|
|
<dd id="NormalizationStrategy.rjust" class="function">rjust</dd>
|
|
<dd id="NormalizationStrategy.rstrip" class="function">rstrip</dd>
|
|
<dd id="NormalizationStrategy.rpartition" class="function">rpartition</dd>
|
|
<dd id="NormalizationStrategy.splitlines" class="function">splitlines</dd>
|
|
<dd id="NormalizationStrategy.strip" class="function">strip</dd>
|
|
<dd id="NormalizationStrategy.swapcase" class="function">swapcase</dd>
|
|
<dd id="NormalizationStrategy.translate" class="function">translate</dd>
|
|
<dd id="NormalizationStrategy.upper" class="function">upper</dd>
|
|
<dd id="NormalizationStrategy.startswith" class="function">startswith</dd>
|
|
<dd id="NormalizationStrategy.endswith" class="function">endswith</dd>
|
|
<dd id="NormalizationStrategy.removeprefix" class="function">removeprefix</dd>
|
|
<dd id="NormalizationStrategy.removesuffix" class="function">removesuffix</dd>
|
|
<dd id="NormalizationStrategy.isascii" class="function">isascii</dd>
|
|
<dd id="NormalizationStrategy.islower" class="function">islower</dd>
|
|
<dd id="NormalizationStrategy.isupper" class="function">isupper</dd>
|
|
<dd id="NormalizationStrategy.istitle" class="function">istitle</dd>
|
|
<dd id="NormalizationStrategy.isspace" class="function">isspace</dd>
|
|
<dd id="NormalizationStrategy.isdecimal" class="function">isdecimal</dd>
|
|
<dd id="NormalizationStrategy.isdigit" class="function">isdigit</dd>
|
|
<dd id="NormalizationStrategy.isnumeric" class="function">isnumeric</dd>
|
|
<dd id="NormalizationStrategy.isalpha" class="function">isalpha</dd>
|
|
<dd id="NormalizationStrategy.isalnum" class="function">isalnum</dd>
|
|
<dd id="NormalizationStrategy.isidentifier" class="function">isidentifier</dd>
|
|
<dd id="NormalizationStrategy.isprintable" class="function">isprintable</dd>
|
|
<dd id="NormalizationStrategy.zfill" class="function">zfill</dd>
|
|
<dd id="NormalizationStrategy.format" class="function">format</dd>
|
|
<dd id="NormalizationStrategy.format_map" class="function">format_map</dd>
|
|
<dd id="NormalizationStrategy.maketrans" class="function">maketrans</dd>
|
|
|
|
</div>
|
|
</dl>
|
|
</div>
|
|
</section>
|
|
<section id="Dialect">
|
|
<input id="Dialect-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr class">
|
|
|
|
<span class="def">class</span>
|
|
<span class="name">Dialect</span>:
|
|
|
|
<label class="view-source-button" for="Dialect-view-source"><span>View Source</span></label>
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="Dialect-134"><a href="#Dialect-134"><span class="linenos">134</span></a><span class="k">class</span> <span class="nc">Dialect</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">_Dialect</span><span class="p">):</span>
|
|
</span><span id="Dialect-135"><a href="#Dialect-135"><span class="linenos">135</span></a> <span class="c1"># Determines the base index offset for arrays</span>
|
|
</span><span id="Dialect-136"><a href="#Dialect-136"><span class="linenos">136</span></a> <span class="n">INDEX_OFFSET</span> <span class="o">=</span> <span class="mi">0</span>
|
|
</span><span id="Dialect-137"><a href="#Dialect-137"><span class="linenos">137</span></a>
|
|
</span><span id="Dialect-138"><a href="#Dialect-138"><span class="linenos">138</span></a> <span class="c1"># If true unnest table aliases are considered only as column aliases</span>
|
|
</span><span id="Dialect-139"><a href="#Dialect-139"><span class="linenos">139</span></a> <span class="n">UNNEST_COLUMN_ONLY</span> <span class="o">=</span> <span class="kc">False</span>
|
|
</span><span id="Dialect-140"><a href="#Dialect-140"><span class="linenos">140</span></a>
|
|
</span><span id="Dialect-141"><a href="#Dialect-141"><span class="linenos">141</span></a> <span class="c1"># Determines whether or not the table alias comes after tablesample</span>
|
|
</span><span id="Dialect-142"><a href="#Dialect-142"><span class="linenos">142</span></a> <span class="n">ALIAS_POST_TABLESAMPLE</span> <span class="o">=</span> <span class="kc">False</span>
|
|
</span><span id="Dialect-143"><a href="#Dialect-143"><span class="linenos">143</span></a>
|
|
</span><span id="Dialect-144"><a href="#Dialect-144"><span class="linenos">144</span></a> <span class="c1"># Specifies the strategy according to which identifiers should be normalized.</span>
|
|
</span><span id="Dialect-145"><a href="#Dialect-145"><span class="linenos">145</span></a> <span class="n">NORMALIZATION_STRATEGY</span> <span class="o">=</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">LOWERCASE</span>
|
|
</span><span id="Dialect-146"><a href="#Dialect-146"><span class="linenos">146</span></a>
|
|
</span><span id="Dialect-147"><a href="#Dialect-147"><span class="linenos">147</span></a> <span class="c1"># Determines whether or not an unquoted identifier can start with a digit</span>
|
|
</span><span id="Dialect-148"><a href="#Dialect-148"><span class="linenos">148</span></a> <span class="n">IDENTIFIERS_CAN_START_WITH_DIGIT</span> <span class="o">=</span> <span class="kc">False</span>
|
|
</span><span id="Dialect-149"><a href="#Dialect-149"><span class="linenos">149</span></a>
|
|
</span><span id="Dialect-150"><a href="#Dialect-150"><span class="linenos">150</span></a> <span class="c1"># Determines whether or not the DPIPE token ('||') is a string concatenation operator</span>
|
|
</span><span id="Dialect-151"><a href="#Dialect-151"><span class="linenos">151</span></a> <span class="n">DPIPE_IS_STRING_CONCAT</span> <span class="o">=</span> <span class="kc">True</span>
|
|
</span><span id="Dialect-152"><a href="#Dialect-152"><span class="linenos">152</span></a>
|
|
</span><span id="Dialect-153"><a href="#Dialect-153"><span class="linenos">153</span></a> <span class="c1"># Determines whether or not CONCAT's arguments must be strings</span>
|
|
</span><span id="Dialect-154"><a href="#Dialect-154"><span class="linenos">154</span></a> <span class="n">STRICT_STRING_CONCAT</span> <span class="o">=</span> <span class="kc">False</span>
|
|
</span><span id="Dialect-155"><a href="#Dialect-155"><span class="linenos">155</span></a>
|
|
</span><span id="Dialect-156"><a href="#Dialect-156"><span class="linenos">156</span></a> <span class="c1"># Determines whether or not user-defined data types are supported</span>
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|
</span><span id="Dialect-157"><a href="#Dialect-157"><span class="linenos">157</span></a> <span class="n">SUPPORTS_USER_DEFINED_TYPES</span> <span class="o">=</span> <span class="kc">True</span>
|
|
</span><span id="Dialect-158"><a href="#Dialect-158"><span class="linenos">158</span></a>
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|
</span><span id="Dialect-159"><a href="#Dialect-159"><span class="linenos">159</span></a> <span class="c1"># Determines whether or not SEMI/ANTI JOINs are supported</span>
|
|
</span><span id="Dialect-160"><a href="#Dialect-160"><span class="linenos">160</span></a> <span class="n">SUPPORTS_SEMI_ANTI_JOIN</span> <span class="o">=</span> <span class="kc">True</span>
|
|
</span><span id="Dialect-161"><a href="#Dialect-161"><span class="linenos">161</span></a>
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|
</span><span id="Dialect-162"><a href="#Dialect-162"><span class="linenos">162</span></a> <span class="c1"># Determines how function names are going to be normalized</span>
|
|
</span><span id="Dialect-163"><a href="#Dialect-163"><span class="linenos">163</span></a> <span class="n">NORMALIZE_FUNCTIONS</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">|</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"upper"</span>
|
|
</span><span id="Dialect-164"><a href="#Dialect-164"><span class="linenos">164</span></a>
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|
</span><span id="Dialect-165"><a href="#Dialect-165"><span class="linenos">165</span></a> <span class="c1"># Determines whether the base comes first in the LOG function</span>
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|
</span><span id="Dialect-166"><a href="#Dialect-166"><span class="linenos">166</span></a> <span class="n">LOG_BASE_FIRST</span> <span class="o">=</span> <span class="kc">True</span>
|
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</span><span id="Dialect-167"><a href="#Dialect-167"><span class="linenos">167</span></a>
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|
</span><span id="Dialect-168"><a href="#Dialect-168"><span class="linenos">168</span></a> <span class="c1"># Indicates the default null ordering method to use if not explicitly set</span>
|
|
</span><span id="Dialect-169"><a href="#Dialect-169"><span class="linenos">169</span></a> <span class="c1"># Options are: "nulls_are_small", "nulls_are_large", "nulls_are_last"</span>
|
|
</span><span id="Dialect-170"><a href="#Dialect-170"><span class="linenos">170</span></a> <span class="n">NULL_ORDERING</span> <span class="o">=</span> <span class="s2">"nulls_are_small"</span>
|
|
</span><span id="Dialect-171"><a href="#Dialect-171"><span class="linenos">171</span></a>
|
|
</span><span id="Dialect-172"><a href="#Dialect-172"><span class="linenos">172</span></a> <span class="c1"># Whether the behavior of a / b depends on the types of a and b.</span>
|
|
</span><span id="Dialect-173"><a href="#Dialect-173"><span class="linenos">173</span></a> <span class="c1"># False means a / b is always float division.</span>
|
|
</span><span id="Dialect-174"><a href="#Dialect-174"><span class="linenos">174</span></a> <span class="c1"># True means a / b is integer division if both a and b are integers.</span>
|
|
</span><span id="Dialect-175"><a href="#Dialect-175"><span class="linenos">175</span></a> <span class="n">TYPED_DIVISION</span> <span class="o">=</span> <span class="kc">False</span>
|
|
</span><span id="Dialect-176"><a href="#Dialect-176"><span class="linenos">176</span></a>
|
|
</span><span id="Dialect-177"><a href="#Dialect-177"><span class="linenos">177</span></a> <span class="c1"># False means 1 / 0 throws an error.</span>
|
|
</span><span id="Dialect-178"><a href="#Dialect-178"><span class="linenos">178</span></a> <span class="c1"># True means 1 / 0 returns null.</span>
|
|
</span><span id="Dialect-179"><a href="#Dialect-179"><span class="linenos">179</span></a> <span class="n">SAFE_DIVISION</span> <span class="o">=</span> <span class="kc">False</span>
|
|
</span><span id="Dialect-180"><a href="#Dialect-180"><span class="linenos">180</span></a>
|
|
</span><span id="Dialect-181"><a href="#Dialect-181"><span class="linenos">181</span></a> <span class="c1"># A NULL arg in CONCAT yields NULL by default, but in some dialects it yields an empty string</span>
|
|
</span><span id="Dialect-182"><a href="#Dialect-182"><span class="linenos">182</span></a> <span class="n">CONCAT_COALESCE</span> <span class="o">=</span> <span class="kc">False</span>
|
|
</span><span id="Dialect-183"><a href="#Dialect-183"><span class="linenos">183</span></a>
|
|
</span><span id="Dialect-184"><a href="#Dialect-184"><span class="linenos">184</span></a> <span class="n">DATE_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y-%m-</span><span class="si">%d</span><span class="s2">'"</span>
|
|
</span><span id="Dialect-185"><a href="#Dialect-185"><span class="linenos">185</span></a> <span class="n">DATEINT_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y%m</span><span class="si">%d</span><span class="s2">'"</span>
|
|
</span><span id="Dialect-186"><a href="#Dialect-186"><span class="linenos">186</span></a> <span class="n">TIME_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y-%m-</span><span class="si">%d</span><span class="s2"> %H:%M:%S'"</span>
|
|
</span><span id="Dialect-187"><a href="#Dialect-187"><span class="linenos">187</span></a>
|
|
</span><span id="Dialect-188"><a href="#Dialect-188"><span class="linenos">188</span></a> <span class="c1"># Custom time mappings in which the key represents dialect time format</span>
|
|
</span><span id="Dialect-189"><a href="#Dialect-189"><span class="linenos">189</span></a> <span class="c1"># and the value represents a python time format</span>
|
|
</span><span id="Dialect-190"><a href="#Dialect-190"><span class="linenos">190</span></a> <span class="n">TIME_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span>
|
|
</span><span id="Dialect-191"><a href="#Dialect-191"><span class="linenos">191</span></a>
|
|
</span><span id="Dialect-192"><a href="#Dialect-192"><span class="linenos">192</span></a> <span class="c1"># https://cloud.google.com/bigquery/docs/reference/standard-sql/format-elements#format_model_rules_date_time</span>
|
|
</span><span id="Dialect-193"><a href="#Dialect-193"><span class="linenos">193</span></a> <span class="c1"># https://docs.teradata.com/r/Teradata-Database-SQL-Functions-Operators-Expressions-and-Predicates/March-2017/Data-Type-Conversions/Character-to-DATE-Conversion/Forcing-a-FORMAT-on-CAST-for-Converting-Character-to-DATE</span>
|
|
</span><span id="Dialect-194"><a href="#Dialect-194"><span class="linenos">194</span></a> <span class="c1"># special syntax cast(x as date format 'yyyy') defaults to time_mapping</span>
|
|
</span><span id="Dialect-195"><a href="#Dialect-195"><span class="linenos">195</span></a> <span class="n">FORMAT_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span>
|
|
</span><span id="Dialect-196"><a href="#Dialect-196"><span class="linenos">196</span></a>
|
|
</span><span id="Dialect-197"><a href="#Dialect-197"><span class="linenos">197</span></a> <span class="c1"># Mapping of an unescaped escape sequence to the corresponding character</span>
|
|
</span><span id="Dialect-198"><a href="#Dialect-198"><span class="linenos">198</span></a> <span class="n">ESCAPE_SEQUENCES</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span>
|
|
</span><span id="Dialect-199"><a href="#Dialect-199"><span class="linenos">199</span></a>
|
|
</span><span id="Dialect-200"><a href="#Dialect-200"><span class="linenos">200</span></a> <span class="c1"># Columns that are auto-generated by the engine corresponding to this dialect</span>
|
|
</span><span id="Dialect-201"><a href="#Dialect-201"><span class="linenos">201</span></a> <span class="c1"># Such columns may be excluded from SELECT * queries, for example</span>
|
|
</span><span id="Dialect-202"><a href="#Dialect-202"><span class="linenos">202</span></a> <span class="n">PSEUDOCOLUMNS</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Set</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
|
|
</span><span id="Dialect-203"><a href="#Dialect-203"><span class="linenos">203</span></a>
|
|
</span><span id="Dialect-204"><a href="#Dialect-204"><span class="linenos">204</span></a> <span class="c1"># --- Autofilled ---</span>
|
|
</span><span id="Dialect-205"><a href="#Dialect-205"><span class="linenos">205</span></a>
|
|
</span><span id="Dialect-206"><a href="#Dialect-206"><span class="linenos">206</span></a> <span class="n">tokenizer_class</span> <span class="o">=</span> <span class="n">Tokenizer</span>
|
|
</span><span id="Dialect-207"><a href="#Dialect-207"><span class="linenos">207</span></a> <span class="n">parser_class</span> <span class="o">=</span> <span class="n">Parser</span>
|
|
</span><span id="Dialect-208"><a href="#Dialect-208"><span class="linenos">208</span></a> <span class="n">generator_class</span> <span class="o">=</span> <span class="n">Generator</span>
|
|
</span><span id="Dialect-209"><a href="#Dialect-209"><span class="linenos">209</span></a>
|
|
</span><span id="Dialect-210"><a href="#Dialect-210"><span class="linenos">210</span></a> <span class="c1"># A trie of the time_mapping keys</span>
|
|
</span><span id="Dialect-211"><a href="#Dialect-211"><span class="linenos">211</span></a> <span class="n">TIME_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span>
|
|
</span><span id="Dialect-212"><a href="#Dialect-212"><span class="linenos">212</span></a> <span class="n">FORMAT_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span>
|
|
</span><span id="Dialect-213"><a href="#Dialect-213"><span class="linenos">213</span></a>
|
|
</span><span id="Dialect-214"><a href="#Dialect-214"><span class="linenos">214</span></a> <span class="n">INVERSE_TIME_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span>
|
|
</span><span id="Dialect-215"><a href="#Dialect-215"><span class="linenos">215</span></a> <span class="n">INVERSE_TIME_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span>
|
|
</span><span id="Dialect-216"><a href="#Dialect-216"><span class="linenos">216</span></a>
|
|
</span><span id="Dialect-217"><a href="#Dialect-217"><span class="linenos">217</span></a> <span class="n">INVERSE_ESCAPE_SEQUENCES</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span>
|
|
</span><span id="Dialect-218"><a href="#Dialect-218"><span class="linenos">218</span></a>
|
|
</span><span id="Dialect-219"><a href="#Dialect-219"><span class="linenos">219</span></a> <span class="c1"># Delimiters for quotes, identifiers and the corresponding escape characters</span>
|
|
</span><span id="Dialect-220"><a href="#Dialect-220"><span class="linenos">220</span></a> <span class="n">QUOTE_START</span> <span class="o">=</span> <span class="s2">"'"</span>
|
|
</span><span id="Dialect-221"><a href="#Dialect-221"><span class="linenos">221</span></a> <span class="n">QUOTE_END</span> <span class="o">=</span> <span class="s2">"'"</span>
|
|
</span><span id="Dialect-222"><a href="#Dialect-222"><span class="linenos">222</span></a> <span class="n">IDENTIFIER_START</span> <span class="o">=</span> <span class="s1">'"'</span>
|
|
</span><span id="Dialect-223"><a href="#Dialect-223"><span class="linenos">223</span></a> <span class="n">IDENTIFIER_END</span> <span class="o">=</span> <span class="s1">'"'</span>
|
|
</span><span id="Dialect-224"><a href="#Dialect-224"><span class="linenos">224</span></a>
|
|
</span><span id="Dialect-225"><a href="#Dialect-225"><span class="linenos">225</span></a> <span class="c1"># Delimiters for bit, hex and byte literals</span>
|
|
</span><span id="Dialect-226"><a href="#Dialect-226"><span class="linenos">226</span></a> <span class="n">BIT_START</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
|
</span><span id="Dialect-227"><a href="#Dialect-227"><span class="linenos">227</span></a> <span class="n">BIT_END</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
|
</span><span id="Dialect-228"><a href="#Dialect-228"><span class="linenos">228</span></a> <span class="n">HEX_START</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
|
</span><span id="Dialect-229"><a href="#Dialect-229"><span class="linenos">229</span></a> <span class="n">HEX_END</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
|
</span><span id="Dialect-230"><a href="#Dialect-230"><span class="linenos">230</span></a> <span class="n">BYTE_START</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
|
</span><span id="Dialect-231"><a href="#Dialect-231"><span class="linenos">231</span></a> <span class="n">BYTE_END</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
|
</span><span id="Dialect-232"><a href="#Dialect-232"><span class="linenos">232</span></a>
|
|
</span><span id="Dialect-233"><a href="#Dialect-233"><span class="linenos">233</span></a> <span class="nd">@classmethod</span>
|
|
</span><span id="Dialect-234"><a href="#Dialect-234"><span class="linenos">234</span></a> <span class="k">def</span> <span class="nf">get_or_raise</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">Dialect</span><span class="p">:</span>
|
|
</span><span id="Dialect-235"><a href="#Dialect-235"><span class="linenos">235</span></a><span class="w"> </span><span class="sd">"""</span>
|
|
</span><span id="Dialect-236"><a href="#Dialect-236"><span class="linenos">236</span></a><span class="sd"> Look up a dialect in the global dialect registry and return it if it exists.</span>
|
|
</span><span id="Dialect-237"><a href="#Dialect-237"><span class="linenos">237</span></a>
|
|
</span><span id="Dialect-238"><a href="#Dialect-238"><span class="linenos">238</span></a><span class="sd"> Args:</span>
|
|
</span><span id="Dialect-239"><a href="#Dialect-239"><span class="linenos">239</span></a><span class="sd"> dialect: The target dialect. If this is a string, it can be optionally followed by</span>
|
|
</span><span id="Dialect-240"><a href="#Dialect-240"><span class="linenos">240</span></a><span class="sd"> additional key-value pairs that are separated by commas and are used to specify</span>
|
|
</span><span id="Dialect-241"><a href="#Dialect-241"><span class="linenos">241</span></a><span class="sd"> dialect settings, such as whether the dialect's identifiers are case-sensitive.</span>
|
|
</span><span id="Dialect-242"><a href="#Dialect-242"><span class="linenos">242</span></a>
|
|
</span><span id="Dialect-243"><a href="#Dialect-243"><span class="linenos">243</span></a><span class="sd"> Example:</span>
|
|
</span><span id="Dialect-244"><a href="#Dialect-244"><span class="linenos">244</span></a><span class="sd"> >>> dialect = dialect_class = get_or_raise("duckdb")</span>
|
|
</span><span id="Dialect-245"><a href="#Dialect-245"><span class="linenos">245</span></a><span class="sd"> >>> dialect = get_or_raise("mysql, normalization_strategy = case_sensitive")</span>
|
|
</span><span id="Dialect-246"><a href="#Dialect-246"><span class="linenos">246</span></a>
|
|
</span><span id="Dialect-247"><a href="#Dialect-247"><span class="linenos">247</span></a><span class="sd"> Returns:</span>
|
|
</span><span id="Dialect-248"><a href="#Dialect-248"><span class="linenos">248</span></a><span class="sd"> The corresponding Dialect instance.</span>
|
|
</span><span id="Dialect-249"><a href="#Dialect-249"><span class="linenos">249</span></a><span class="sd"> """</span>
|
|
</span><span id="Dialect-250"><a href="#Dialect-250"><span class="linenos">250</span></a>
|
|
</span><span id="Dialect-251"><a href="#Dialect-251"><span class="linenos">251</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">dialect</span><span class="p">:</span>
|
|
</span><span id="Dialect-252"><a href="#Dialect-252"><span class="linenos">252</span></a> <span class="k">return</span> <span class="bp">cls</span><span class="p">()</span>
|
|
</span><span id="Dialect-253"><a href="#Dialect-253"><span class="linenos">253</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">_Dialect</span><span class="p">):</span>
|
|
</span><span id="Dialect-254"><a href="#Dialect-254"><span class="linenos">254</span></a> <span class="k">return</span> <span class="n">dialect</span><span class="p">()</span>
|
|
</span><span id="Dialect-255"><a href="#Dialect-255"><span class="linenos">255</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">):</span>
|
|
</span><span id="Dialect-256"><a href="#Dialect-256"><span class="linenos">256</span></a> <span class="k">return</span> <span class="n">dialect</span>
|
|
</span><span id="Dialect-257"><a href="#Dialect-257"><span class="linenos">257</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
|
|
</span><span id="Dialect-258"><a href="#Dialect-258"><span class="linenos">258</span></a> <span class="k">try</span><span class="p">:</span>
|
|
</span><span id="Dialect-259"><a href="#Dialect-259"><span class="linenos">259</span></a> <span class="n">dialect_name</span><span class="p">,</span> <span class="o">*</span><span class="n">kv_pairs</span> <span class="o">=</span> <span class="n">dialect</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">","</span><span class="p">)</span>
|
|
</span><span id="Dialect-260"><a href="#Dialect-260"><span class="linenos">260</span></a> <span class="n">kwargs</span> <span class="o">=</span> <span class="p">{</span><span class="n">k</span><span class="o">.</span><span class="n">strip</span><span class="p">():</span> <span class="n">v</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="p">(</span><span class="n">kv</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">"="</span><span class="p">)</span> <span class="k">for</span> <span class="n">kv</span> <span class="ow">in</span> <span class="n">kv_pairs</span><span class="p">)}</span>
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|
</span><span id="Dialect-261"><a href="#Dialect-261"><span class="linenos">261</span></a> <span class="k">except</span> <span class="ne">ValueError</span><span class="p">:</span>
|
|
</span><span id="Dialect-262"><a href="#Dialect-262"><span class="linenos">262</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
|
|
</span><span id="Dialect-263"><a href="#Dialect-263"><span class="linenos">263</span></a> <span class="sa">f</span><span class="s2">"Invalid dialect format: '</span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">'. "</span>
|
|
</span><span id="Dialect-264"><a href="#Dialect-264"><span class="linenos">264</span></a> <span class="s2">"Please use the correct format: 'dialect [, k1 = v2 [, ...]]'."</span>
|
|
</span><span id="Dialect-265"><a href="#Dialect-265"><span class="linenos">265</span></a> <span class="p">)</span>
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</span><span id="Dialect-266"><a href="#Dialect-266"><span class="linenos">266</span></a>
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|
</span><span id="Dialect-267"><a href="#Dialect-267"><span class="linenos">267</span></a> <span class="n">result</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">dialect_name</span><span class="o">.</span><span class="n">strip</span><span class="p">())</span>
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</span><span id="Dialect-268"><a href="#Dialect-268"><span class="linenos">268</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">result</span><span class="p">:</span>
|
|
</span><span id="Dialect-269"><a href="#Dialect-269"><span class="linenos">269</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown dialect '</span><span class="si">{</span><span class="n">dialect_name</span><span class="si">}</span><span class="s2">'."</span><span class="p">)</span>
|
|
</span><span id="Dialect-270"><a href="#Dialect-270"><span class="linenos">270</span></a>
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|
</span><span id="Dialect-271"><a href="#Dialect-271"><span class="linenos">271</span></a> <span class="k">return</span> <span class="n">result</span><span class="p">(</span><span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
|
|
</span><span id="Dialect-272"><a href="#Dialect-272"><span class="linenos">272</span></a>
|
|
</span><span id="Dialect-273"><a href="#Dialect-273"><span class="linenos">273</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Invalid dialect type for '</span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">': '</span><span class="si">{</span><span class="nb">type</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span><span class="si">}</span><span class="s2">'."</span><span class="p">)</span>
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</span><span id="Dialect-274"><a href="#Dialect-274"><span class="linenos">274</span></a>
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</span><span id="Dialect-275"><a href="#Dialect-275"><span class="linenos">275</span></a> <span class="nd">@classmethod</span>
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|
</span><span id="Dialect-276"><a href="#Dialect-276"><span class="linenos">276</span></a> <span class="k">def</span> <span class="nf">format_time</span><span class="p">(</span>
|
|
</span><span id="Dialect-277"><a href="#Dialect-277"><span class="linenos">277</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span>
|
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</span><span id="Dialect-278"><a href="#Dialect-278"><span class="linenos">278</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
|
</span><span id="Dialect-279"><a href="#Dialect-279"><span class="linenos">279</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
|
|
</span><span id="Dialect-280"><a href="#Dialect-280"><span class="linenos">280</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span>
|
|
</span><span id="Dialect-281"><a href="#Dialect-281"><span class="linenos">281</span></a> <span class="c1"># the time formats are quoted</span>
|
|
</span><span id="Dialect-282"><a href="#Dialect-282"><span class="linenos">282</span></a> <span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="o">-</span><span class="mi">1</span><span class="p">],</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">)</span>
|
|
</span><span id="Dialect-283"><a href="#Dialect-283"><span class="linenos">283</span></a> <span class="p">)</span>
|
|
</span><span id="Dialect-284"><a href="#Dialect-284"><span class="linenos">284</span></a>
|
|
</span><span id="Dialect-285"><a href="#Dialect-285"><span class="linenos">285</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span>
|
|
</span><span id="Dialect-286"><a href="#Dialect-286"><span class="linenos">286</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">))</span>
|
|
</span><span id="Dialect-287"><a href="#Dialect-287"><span class="linenos">287</span></a>
|
|
</span><span id="Dialect-288"><a href="#Dialect-288"><span class="linenos">288</span></a> <span class="k">return</span> <span class="n">expression</span>
|
|
</span><span id="Dialect-289"><a href="#Dialect-289"><span class="linenos">289</span></a>
|
|
</span><span id="Dialect-290"><a href="#Dialect-290"><span class="linenos">290</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span>
|
|
</span><span id="Dialect-291"><a href="#Dialect-291"><span class="linenos">291</span></a> <span class="n">normalization_strategy</span> <span class="o">=</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"normalization_strategy"</span><span class="p">)</span>
|
|
</span><span id="Dialect-292"><a href="#Dialect-292"><span class="linenos">292</span></a>
|
|
</span><span id="Dialect-293"><a href="#Dialect-293"><span class="linenos">293</span></a> <span class="k">if</span> <span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
|
|
</span><span id="Dialect-294"><a href="#Dialect-294"><span class="linenos">294</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">NORMALIZATION_STRATEGY</span>
|
|
</span><span id="Dialect-295"><a href="#Dialect-295"><span class="linenos">295</span></a> <span class="k">else</span><span class="p">:</span>
|
|
</span><span id="Dialect-296"><a href="#Dialect-296"><span class="linenos">296</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="o">=</span> <span class="n">NormalizationStrategy</span><span class="p">(</span><span class="n">normalization_strategy</span><span class="o">.</span><span class="n">upper</span><span class="p">())</span>
|
|
</span><span id="Dialect-297"><a href="#Dialect-297"><span class="linenos">297</span></a>
|
|
</span><span id="Dialect-298"><a href="#Dialect-298"><span class="linenos">298</span></a> <span class="k">def</span> <span class="fm">__eq__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
|
|
</span><span id="Dialect-299"><a href="#Dialect-299"><span class="linenos">299</span></a> <span class="c1"># Does not currently take dialect state into account</span>
|
|
</span><span id="Dialect-300"><a href="#Dialect-300"><span class="linenos">300</span></a> <span class="k">return</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">==</span> <span class="n">other</span>
|
|
</span><span id="Dialect-301"><a href="#Dialect-301"><span class="linenos">301</span></a>
|
|
</span><span id="Dialect-302"><a href="#Dialect-302"><span class="linenos">302</span></a> <span class="k">def</span> <span class="fm">__hash__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">int</span><span class="p">:</span>
|
|
</span><span id="Dialect-303"><a href="#Dialect-303"><span class="linenos">303</span></a> <span class="c1"># Does not currently take dialect state into account</span>
|
|
</span><span id="Dialect-304"><a href="#Dialect-304"><span class="linenos">304</span></a> <span class="k">return</span> <span class="nb">hash</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">))</span>
|
|
</span><span id="Dialect-305"><a href="#Dialect-305"><span class="linenos">305</span></a>
|
|
</span><span id="Dialect-306"><a href="#Dialect-306"><span class="linenos">306</span></a> <span class="k">def</span> <span class="nf">normalize_identifier</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span>
|
|
</span><span id="Dialect-307"><a href="#Dialect-307"><span class="linenos">307</span></a><span class="w"> </span><span class="sd">"""</span>
|
|
</span><span id="Dialect-308"><a href="#Dialect-308"><span class="linenos">308</span></a><span class="sd"> Transforms an identifier in a way that resembles how it'd be resolved by this dialect.</span>
|
|
</span><span id="Dialect-309"><a href="#Dialect-309"><span class="linenos">309</span></a>
|
|
</span><span id="Dialect-310"><a href="#Dialect-310"><span class="linenos">310</span></a><span class="sd"> For example, an identifier like FoO would be resolved as foo in Postgres, because it</span>
|
|
</span><span id="Dialect-311"><a href="#Dialect-311"><span class="linenos">311</span></a><span class="sd"> lowercases all unquoted identifiers. On the other hand, Snowflake uppercases them, so</span>
|
|
</span><span id="Dialect-312"><a href="#Dialect-312"><span class="linenos">312</span></a><span class="sd"> it would resolve it as FOO. If it was quoted, it'd need to be treated as case-sensitive,</span>
|
|
</span><span id="Dialect-313"><a href="#Dialect-313"><span class="linenos">313</span></a><span class="sd"> and so any normalization would be prohibited in order to avoid "breaking" the identifier.</span>
|
|
</span><span id="Dialect-314"><a href="#Dialect-314"><span class="linenos">314</span></a>
|
|
</span><span id="Dialect-315"><a href="#Dialect-315"><span class="linenos">315</span></a><span class="sd"> There are also dialects like Spark, which are case-insensitive even when quotes are</span>
|
|
</span><span id="Dialect-316"><a href="#Dialect-316"><span class="linenos">316</span></a><span class="sd"> present, and dialects like MySQL, whose resolution rules match those employed by the</span>
|
|
</span><span id="Dialect-317"><a href="#Dialect-317"><span class="linenos">317</span></a><span class="sd"> underlying operating system, for example they may always be case-sensitive in Linux.</span>
|
|
</span><span id="Dialect-318"><a href="#Dialect-318"><span class="linenos">318</span></a>
|
|
</span><span id="Dialect-319"><a href="#Dialect-319"><span class="linenos">319</span></a><span class="sd"> Finally, the normalization behavior of some engines can even be controlled through flags,</span>
|
|
</span><span id="Dialect-320"><a href="#Dialect-320"><span class="linenos">320</span></a><span class="sd"> like in Redshift's case, where users can explicitly set enable_case_sensitive_identifier.</span>
|
|
</span><span id="Dialect-321"><a href="#Dialect-321"><span class="linenos">321</span></a>
|
|
</span><span id="Dialect-322"><a href="#Dialect-322"><span class="linenos">322</span></a><span class="sd"> SQLGlot aims to understand and handle all of these different behaviors gracefully, so</span>
|
|
</span><span id="Dialect-323"><a href="#Dialect-323"><span class="linenos">323</span></a><span class="sd"> that it can analyze queries in the optimizer and successfully capture their semantics.</span>
|
|
</span><span id="Dialect-324"><a href="#Dialect-324"><span class="linenos">324</span></a><span class="sd"> """</span>
|
|
</span><span id="Dialect-325"><a href="#Dialect-325"><span class="linenos">325</span></a> <span class="k">if</span> <span class="p">(</span>
|
|
</span><span id="Dialect-326"><a href="#Dialect-326"><span class="linenos">326</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span>
|
|
</span><span id="Dialect-327"><a href="#Dialect-327"><span class="linenos">327</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">CASE_SENSITIVE</span>
|
|
</span><span id="Dialect-328"><a href="#Dialect-328"><span class="linenos">328</span></a> <span class="ow">and</span> <span class="p">(</span>
|
|
</span><span id="Dialect-329"><a href="#Dialect-329"><span class="linenos">329</span></a> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">quoted</span>
|
|
</span><span id="Dialect-330"><a href="#Dialect-330"><span class="linenos">330</span></a> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">CASE_INSENSITIVE</span>
|
|
</span><span id="Dialect-331"><a href="#Dialect-331"><span class="linenos">331</span></a> <span class="p">)</span>
|
|
</span><span id="Dialect-332"><a href="#Dialect-332"><span class="linenos">332</span></a> <span class="p">):</span>
|
|
</span><span id="Dialect-333"><a href="#Dialect-333"><span class="linenos">333</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span>
|
|
</span><span id="Dialect-334"><a href="#Dialect-334"><span class="linenos">334</span></a> <span class="s2">"this"</span><span class="p">,</span>
|
|
</span><span id="Dialect-335"><a href="#Dialect-335"><span class="linenos">335</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span>
|
|
</span><span id="Dialect-336"><a href="#Dialect-336"><span class="linenos">336</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">UPPERCASE</span>
|
|
</span><span id="Dialect-337"><a href="#Dialect-337"><span class="linenos">337</span></a> <span class="k">else</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">lower</span><span class="p">(),</span>
|
|
</span><span id="Dialect-338"><a href="#Dialect-338"><span class="linenos">338</span></a> <span class="p">)</span>
|
|
</span><span id="Dialect-339"><a href="#Dialect-339"><span class="linenos">339</span></a>
|
|
</span><span id="Dialect-340"><a href="#Dialect-340"><span class="linenos">340</span></a> <span class="k">return</span> <span class="n">expression</span>
|
|
</span><span id="Dialect-341"><a href="#Dialect-341"><span class="linenos">341</span></a>
|
|
</span><span id="Dialect-342"><a href="#Dialect-342"><span class="linenos">342</span></a> <span class="k">def</span> <span class="nf">case_sensitive</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">text</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
|
|
</span><span id="Dialect-343"><a href="#Dialect-343"><span class="linenos">343</span></a><span class="w"> </span><span class="sd">"""Checks if text contains any case sensitive characters, based on the dialect's rules."""</span>
|
|
</span><span id="Dialect-344"><a href="#Dialect-344"><span class="linenos">344</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">CASE_INSENSITIVE</span><span class="p">:</span>
|
|
</span><span id="Dialect-345"><a href="#Dialect-345"><span class="linenos">345</span></a> <span class="k">return</span> <span class="kc">False</span>
|
|
</span><span id="Dialect-346"><a href="#Dialect-346"><span class="linenos">346</span></a>
|
|
</span><span id="Dialect-347"><a href="#Dialect-347"><span class="linenos">347</span></a> <span class="n">unsafe</span> <span class="o">=</span> <span class="p">(</span>
|
|
</span><span id="Dialect-348"><a href="#Dialect-348"><span class="linenos">348</span></a> <span class="nb">str</span><span class="o">.</span><span class="n">islower</span>
|
|
</span><span id="Dialect-349"><a href="#Dialect-349"><span class="linenos">349</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">UPPERCASE</span>
|
|
</span><span id="Dialect-350"><a href="#Dialect-350"><span class="linenos">350</span></a> <span class="k">else</span> <span class="nb">str</span><span class="o">.</span><span class="n">isupper</span>
|
|
</span><span id="Dialect-351"><a href="#Dialect-351"><span class="linenos">351</span></a> <span class="p">)</span>
|
|
</span><span id="Dialect-352"><a href="#Dialect-352"><span class="linenos">352</span></a> <span class="k">return</span> <span class="nb">any</span><span class="p">(</span><span class="n">unsafe</span><span class="p">(</span><span class="n">char</span><span class="p">)</span> <span class="k">for</span> <span class="n">char</span> <span class="ow">in</span> <span class="n">text</span><span class="p">)</span>
|
|
</span><span id="Dialect-353"><a href="#Dialect-353"><span class="linenos">353</span></a>
|
|
</span><span id="Dialect-354"><a href="#Dialect-354"><span class="linenos">354</span></a> <span class="k">def</span> <span class="nf">can_identify</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">text</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">identify</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="nb">bool</span> <span class="o">=</span> <span class="s2">"safe"</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
|
|
</span><span id="Dialect-355"><a href="#Dialect-355"><span class="linenos">355</span></a><span class="w"> </span><span class="sd">"""Checks if text can be identified given an identify option.</span>
|
|
</span><span id="Dialect-356"><a href="#Dialect-356"><span class="linenos">356</span></a>
|
|
</span><span id="Dialect-357"><a href="#Dialect-357"><span class="linenos">357</span></a><span class="sd"> Args:</span>
|
|
</span><span id="Dialect-358"><a href="#Dialect-358"><span class="linenos">358</span></a><span class="sd"> text: The text to check.</span>
|
|
</span><span id="Dialect-359"><a href="#Dialect-359"><span class="linenos">359</span></a><span class="sd"> identify:</span>
|
|
</span><span id="Dialect-360"><a href="#Dialect-360"><span class="linenos">360</span></a><span class="sd"> "always" or `True`: Always returns true.</span>
|
|
</span><span id="Dialect-361"><a href="#Dialect-361"><span class="linenos">361</span></a><span class="sd"> "safe": True if the identifier is case-insensitive.</span>
|
|
</span><span id="Dialect-362"><a href="#Dialect-362"><span class="linenos">362</span></a>
|
|
</span><span id="Dialect-363"><a href="#Dialect-363"><span class="linenos">363</span></a><span class="sd"> Returns:</span>
|
|
</span><span id="Dialect-364"><a href="#Dialect-364"><span class="linenos">364</span></a><span class="sd"> Whether or not the given text can be identified.</span>
|
|
</span><span id="Dialect-365"><a href="#Dialect-365"><span class="linenos">365</span></a><span class="sd"> """</span>
|
|
</span><span id="Dialect-366"><a href="#Dialect-366"><span class="linenos">366</span></a> <span class="k">if</span> <span class="n">identify</span> <span class="ow">is</span> <span class="kc">True</span> <span class="ow">or</span> <span class="n">identify</span> <span class="o">==</span> <span class="s2">"always"</span><span class="p">:</span>
|
|
</span><span id="Dialect-367"><a href="#Dialect-367"><span class="linenos">367</span></a> <span class="k">return</span> <span class="kc">True</span>
|
|
</span><span id="Dialect-368"><a href="#Dialect-368"><span class="linenos">368</span></a>
|
|
</span><span id="Dialect-369"><a href="#Dialect-369"><span class="linenos">369</span></a> <span class="k">if</span> <span class="n">identify</span> <span class="o">==</span> <span class="s2">"safe"</span><span class="p">:</span>
|
|
</span><span id="Dialect-370"><a href="#Dialect-370"><span class="linenos">370</span></a> <span class="k">return</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">case_sensitive</span><span class="p">(</span><span class="n">text</span><span class="p">)</span>
|
|
</span><span id="Dialect-371"><a href="#Dialect-371"><span class="linenos">371</span></a>
|
|
</span><span id="Dialect-372"><a href="#Dialect-372"><span class="linenos">372</span></a> <span class="k">return</span> <span class="kc">False</span>
|
|
</span><span id="Dialect-373"><a href="#Dialect-373"><span class="linenos">373</span></a>
|
|
</span><span id="Dialect-374"><a href="#Dialect-374"><span class="linenos">374</span></a> <span class="k">def</span> <span class="nf">quote_identifier</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="n">identify</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span>
|
|
</span><span id="Dialect-375"><a href="#Dialect-375"><span class="linenos">375</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">):</span>
|
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</span><span id="Dialect-376"><a href="#Dialect-376"><span class="linenos">376</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
|
|
</span><span id="Dialect-377"><a href="#Dialect-377"><span class="linenos">377</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span>
|
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</span><span id="Dialect-378"><a href="#Dialect-378"><span class="linenos">378</span></a> <span class="s2">"quoted"</span><span class="p">,</span>
|
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</span><span id="Dialect-379"><a href="#Dialect-379"><span class="linenos">379</span></a> <span class="n">identify</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">case_sensitive</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">exp</span><span class="o">.</span><span class="n">SAFE_IDENTIFIER_RE</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="n">name</span><span class="p">),</span>
|
|
</span><span id="Dialect-380"><a href="#Dialect-380"><span class="linenos">380</span></a> <span class="p">)</span>
|
|
</span><span id="Dialect-381"><a href="#Dialect-381"><span class="linenos">381</span></a>
|
|
</span><span id="Dialect-382"><a href="#Dialect-382"><span class="linenos">382</span></a> <span class="k">return</span> <span class="n">expression</span>
|
|
</span><span id="Dialect-383"><a href="#Dialect-383"><span class="linenos">383</span></a>
|
|
</span><span id="Dialect-384"><a href="#Dialect-384"><span class="linenos">384</span></a> <span class="k">def</span> <span class="nf">parse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span>
|
|
</span><span id="Dialect-385"><a href="#Dialect-385"><span class="linenos">385</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span>
|
|
</span><span id="Dialect-386"><a href="#Dialect-386"><span class="linenos">386</span></a>
|
|
</span><span id="Dialect-387"><a href="#Dialect-387"><span class="linenos">387</span></a> <span class="k">def</span> <span class="nf">parse_into</span><span class="p">(</span>
|
|
</span><span id="Dialect-388"><a href="#Dialect-388"><span class="linenos">388</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">IntoType</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span>
|
|
</span><span id="Dialect-389"><a href="#Dialect-389"><span class="linenos">389</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span>
|
|
</span><span id="Dialect-390"><a href="#Dialect-390"><span class="linenos">390</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse_into</span><span class="p">(</span><span class="n">expression_type</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span>
|
|
</span><span id="Dialect-391"><a href="#Dialect-391"><span class="linenos">391</span></a>
|
|
</span><span id="Dialect-392"><a href="#Dialect-392"><span class="linenos">392</span></a> <span class="k">def</span> <span class="nf">generate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">copy</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="Dialect-393"><a href="#Dialect-393"><span class="linenos">393</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="n">copy</span><span class="p">)</span>
|
|
</span><span id="Dialect-394"><a href="#Dialect-394"><span class="linenos">394</span></a>
|
|
</span><span id="Dialect-395"><a href="#Dialect-395"><span class="linenos">395</span></a> <span class="k">def</span> <span class="nf">transpile</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span>
|
|
</span><span id="Dialect-396"><a href="#Dialect-396"><span class="linenos">396</span></a> <span class="k">return</span> <span class="p">[</span>
|
|
</span><span id="Dialect-397"><a href="#Dialect-397"><span class="linenos">397</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="k">if</span> <span class="n">expression</span> <span class="k">else</span> <span class="s2">""</span>
|
|
</span><span id="Dialect-398"><a href="#Dialect-398"><span class="linenos">398</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">)</span>
|
|
</span><span id="Dialect-399"><a href="#Dialect-399"><span class="linenos">399</span></a> <span class="p">]</span>
|
|
</span><span id="Dialect-400"><a href="#Dialect-400"><span class="linenos">400</span></a>
|
|
</span><span id="Dialect-401"><a href="#Dialect-401"><span class="linenos">401</span></a> <span class="k">def</span> <span class="nf">tokenize</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">Token</span><span class="p">]:</span>
|
|
</span><span id="Dialect-402"><a href="#Dialect-402"><span class="linenos">402</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">)</span>
|
|
</span><span id="Dialect-403"><a href="#Dialect-403"><span class="linenos">403</span></a>
|
|
</span><span id="Dialect-404"><a href="#Dialect-404"><span class="linenos">404</span></a> <span class="nd">@property</span>
|
|
</span><span id="Dialect-405"><a href="#Dialect-405"><span class="linenos">405</span></a> <span class="k">def</span> <span class="nf">tokenizer</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">Tokenizer</span><span class="p">:</span>
|
|
</span><span id="Dialect-406"><a href="#Dialect-406"><span class="linenos">406</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"_tokenizer"</span><span class="p">):</span>
|
|
</span><span id="Dialect-407"><a href="#Dialect-407"><span class="linenos">407</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_tokenizer</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="p">(</span><span class="n">dialect</span><span class="o">=</span><span class="bp">self</span><span class="p">)</span>
|
|
</span><span id="Dialect-408"><a href="#Dialect-408"><span class="linenos">408</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_tokenizer</span>
|
|
</span><span id="Dialect-409"><a href="#Dialect-409"><span class="linenos">409</span></a>
|
|
</span><span id="Dialect-410"><a href="#Dialect-410"><span class="linenos">410</span></a> <span class="k">def</span> <span class="nf">parser</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Parser</span><span class="p">:</span>
|
|
</span><span id="Dialect-411"><a href="#Dialect-411"><span class="linenos">411</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser_class</span><span class="p">(</span><span class="n">dialect</span><span class="o">=</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span>
|
|
</span><span id="Dialect-412"><a href="#Dialect-412"><span class="linenos">412</span></a>
|
|
</span><span id="Dialect-413"><a href="#Dialect-413"><span class="linenos">413</span></a> <span class="k">def</span> <span class="nf">generator</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Generator</span><span class="p">:</span>
|
|
</span><span id="Dialect-414"><a href="#Dialect-414"><span class="linenos">414</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator_class</span><span class="p">(</span><span class="n">dialect</span><span class="o">=</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span>
|
|
</span></pre></div>
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<div id="Dialect.__init__" class="classattr">
|
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<input id="Dialect.__init__-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
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|
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<span class="name">Dialect</span><span class="signature pdoc-code condensed">(<span class="param"><span class="o">**</span><span class="n">kwargs</span></span>)</span>
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<label class="view-source-button" for="Dialect.__init__-view-source"><span>View Source</span></label>
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</div>
|
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<a class="headerlink" href="#Dialect.__init__"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.__init__-290"><a href="#Dialect.__init__-290"><span class="linenos">290</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span>
|
|
</span><span id="Dialect.__init__-291"><a href="#Dialect.__init__-291"><span class="linenos">291</span></a> <span class="n">normalization_strategy</span> <span class="o">=</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"normalization_strategy"</span><span class="p">)</span>
|
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</span><span id="Dialect.__init__-292"><a href="#Dialect.__init__-292"><span class="linenos">292</span></a>
|
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</span><span id="Dialect.__init__-293"><a href="#Dialect.__init__-293"><span class="linenos">293</span></a> <span class="k">if</span> <span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
|
|
</span><span id="Dialect.__init__-294"><a href="#Dialect.__init__-294"><span class="linenos">294</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">NORMALIZATION_STRATEGY</span>
|
|
</span><span id="Dialect.__init__-295"><a href="#Dialect.__init__-295"><span class="linenos">295</span></a> <span class="k">else</span><span class="p">:</span>
|
|
</span><span id="Dialect.__init__-296"><a href="#Dialect.__init__-296"><span class="linenos">296</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="o">=</span> <span class="n">NormalizationStrategy</span><span class="p">(</span><span class="n">normalization_strategy</span><span class="o">.</span><span class="n">upper</span><span class="p">())</span>
|
|
</span></pre></div>
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</div>
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<div id="Dialect.INDEX_OFFSET" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">INDEX_OFFSET</span> =
|
|
<span class="default_value">0</span>
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</div>
|
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<a class="headerlink" href="#Dialect.INDEX_OFFSET"></a>
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</div>
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<div id="Dialect.UNNEST_COLUMN_ONLY" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">UNNEST_COLUMN_ONLY</span> =
|
|
<span class="default_value">False</span>
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</div>
|
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<a class="headerlink" href="#Dialect.UNNEST_COLUMN_ONLY"></a>
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</div>
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<div id="Dialect.ALIAS_POST_TABLESAMPLE" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">ALIAS_POST_TABLESAMPLE</span> =
|
|
<span class="default_value">False</span>
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</div>
|
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<a class="headerlink" href="#Dialect.ALIAS_POST_TABLESAMPLE"></a>
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</div>
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<div id="Dialect.NORMALIZATION_STRATEGY" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">NORMALIZATION_STRATEGY</span> =
|
|
<span class="default_value"><<a href="#NormalizationStrategy.LOWERCASE">NormalizationStrategy.LOWERCASE</a>: 'LOWERCASE'></span>
|
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</div>
|
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<a class="headerlink" href="#Dialect.NORMALIZATION_STRATEGY"></a>
|
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</div>
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<div id="Dialect.IDENTIFIERS_CAN_START_WITH_DIGIT" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">IDENTIFIERS_CAN_START_WITH_DIGIT</span> =
|
|
<span class="default_value">False</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.IDENTIFIERS_CAN_START_WITH_DIGIT"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.DPIPE_IS_STRING_CONCAT" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">DPIPE_IS_STRING_CONCAT</span> =
|
|
<span class="default_value">True</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.DPIPE_IS_STRING_CONCAT"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.STRICT_STRING_CONCAT" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">STRICT_STRING_CONCAT</span> =
|
|
<span class="default_value">False</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.STRICT_STRING_CONCAT"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.SUPPORTS_USER_DEFINED_TYPES" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">SUPPORTS_USER_DEFINED_TYPES</span> =
|
|
<span class="default_value">True</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.SUPPORTS_USER_DEFINED_TYPES"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.SUPPORTS_SEMI_ANTI_JOIN" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">SUPPORTS_SEMI_ANTI_JOIN</span> =
|
|
<span class="default_value">True</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.SUPPORTS_SEMI_ANTI_JOIN"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.NORMALIZE_FUNCTIONS" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">NORMALIZE_FUNCTIONS</span><span class="annotation">: bool | str</span> =
|
|
<span class="default_value">'upper'</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.NORMALIZE_FUNCTIONS"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.LOG_BASE_FIRST" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">LOG_BASE_FIRST</span> =
|
|
<span class="default_value">True</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.LOG_BASE_FIRST"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.NULL_ORDERING" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">NULL_ORDERING</span> =
|
|
<span class="default_value">'nulls_are_small'</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.NULL_ORDERING"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.TYPED_DIVISION" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">TYPED_DIVISION</span> =
|
|
<span class="default_value">False</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.TYPED_DIVISION"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.SAFE_DIVISION" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">SAFE_DIVISION</span> =
|
|
<span class="default_value">False</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.SAFE_DIVISION"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.CONCAT_COALESCE" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">CONCAT_COALESCE</span> =
|
|
<span class="default_value">False</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.CONCAT_COALESCE"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.DATE_FORMAT" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">DATE_FORMAT</span> =
|
|
<span class="default_value">"'%Y-%m-%d'"</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.DATE_FORMAT"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.DATEINT_FORMAT" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">DATEINT_FORMAT</span> =
|
|
<span class="default_value">"'%Y%m%d'"</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.DATEINT_FORMAT"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.TIME_FORMAT" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">TIME_FORMAT</span> =
|
|
<span class="default_value">"'%Y-%m-%d %H:%M:%S'"</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.TIME_FORMAT"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.TIME_MAPPING" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">TIME_MAPPING</span><span class="annotation">: Dict[str, str]</span> =
|
|
<span class="default_value">{}</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.TIME_MAPPING"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.FORMAT_MAPPING" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">FORMAT_MAPPING</span><span class="annotation">: Dict[str, str]</span> =
|
|
<span class="default_value">{}</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.FORMAT_MAPPING"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.ESCAPE_SEQUENCES" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">ESCAPE_SEQUENCES</span><span class="annotation">: Dict[str, str]</span> =
|
|
<span class="default_value">{}</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.ESCAPE_SEQUENCES"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.PSEUDOCOLUMNS" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">PSEUDOCOLUMNS</span><span class="annotation">: Set[str]</span> =
|
|
<span class="default_value">set()</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.PSEUDOCOLUMNS"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.tokenizer_class" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">tokenizer_class</span> =
|
|
<span class="default_value"><class '<a href="../tokens.html#Tokenizer">sqlglot.tokens.Tokenizer</a>'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.tokenizer_class"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.parser_class" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">parser_class</span> =
|
|
<span class="default_value"><class '<a href="../parser.html#Parser">sqlglot.parser.Parser</a>'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.parser_class"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.generator_class" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">generator_class</span> =
|
|
<span class="default_value"><class '<a href="../generator.html#Generator">sqlglot.generator.Generator</a>'></span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.generator_class"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.TIME_TRIE" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">TIME_TRIE</span><span class="annotation">: Dict</span> =
|
|
<span class="default_value">{}</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.TIME_TRIE"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.FORMAT_TRIE" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">FORMAT_TRIE</span><span class="annotation">: Dict</span> =
|
|
<span class="default_value">{}</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.FORMAT_TRIE"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.INVERSE_TIME_MAPPING" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">INVERSE_TIME_MAPPING</span><span class="annotation">: Dict[str, str]</span> =
|
|
<span class="default_value">{}</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.INVERSE_TIME_MAPPING"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.INVERSE_TIME_TRIE" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">INVERSE_TIME_TRIE</span><span class="annotation">: Dict</span> =
|
|
<span class="default_value">{}</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.INVERSE_TIME_TRIE"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.INVERSE_ESCAPE_SEQUENCES" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">INVERSE_ESCAPE_SEQUENCES</span><span class="annotation">: Dict[str, str]</span> =
|
|
<span class="default_value">{}</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.INVERSE_ESCAPE_SEQUENCES"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.QUOTE_START" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">QUOTE_START</span> =
|
|
<span class="default_value">"'"</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.QUOTE_START"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.QUOTE_END" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">QUOTE_END</span> =
|
|
<span class="default_value">"'"</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.QUOTE_END"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.IDENTIFIER_START" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">IDENTIFIER_START</span> =
|
|
<span class="default_value">'"'</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.IDENTIFIER_START"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.IDENTIFIER_END" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">IDENTIFIER_END</span> =
|
|
<span class="default_value">'"'</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.IDENTIFIER_END"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.BIT_START" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">BIT_START</span><span class="annotation">: Optional[str]</span> =
|
|
<span class="default_value">None</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.BIT_START"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.BIT_END" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">BIT_END</span><span class="annotation">: Optional[str]</span> =
|
|
<span class="default_value">None</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.BIT_END"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.HEX_START" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">HEX_START</span><span class="annotation">: Optional[str]</span> =
|
|
<span class="default_value">None</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.HEX_START"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.HEX_END" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">HEX_END</span><span class="annotation">: Optional[str]</span> =
|
|
<span class="default_value">None</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.HEX_END"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.BYTE_START" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">BYTE_START</span><span class="annotation">: Optional[str]</span> =
|
|
<span class="default_value">None</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.BYTE_START"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.BYTE_END" class="classattr">
|
|
<div class="attr variable">
|
|
<span class="name">BYTE_END</span><span class="annotation">: Optional[str]</span> =
|
|
<span class="default_value">None</span>
|
|
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.BYTE_END"></a>
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.get_or_raise" class="classattr">
|
|
<input id="Dialect.get_or_raise-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
<div class="decorator">@classmethod</div>
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">get_or_raise</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">dialect</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n"><a href="#Dialect">Dialect</a></span><span class="p">,</span> <span class="n">Type</span><span class="p">[</span><span class="n"><a href="#Dialect">Dialect</a></span><span class="p">],</span> <span class="n">NoneType</span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n"><a href="#Dialect">Dialect</a></span>:</span></span>
|
|
|
|
<label class="view-source-button" for="Dialect.get_or_raise-view-source"><span>View Source</span></label>
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.get_or_raise"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.get_or_raise-233"><a href="#Dialect.get_or_raise-233"><span class="linenos">233</span></a> <span class="nd">@classmethod</span>
|
|
</span><span id="Dialect.get_or_raise-234"><a href="#Dialect.get_or_raise-234"><span class="linenos">234</span></a> <span class="k">def</span> <span class="nf">get_or_raise</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">Dialect</span><span class="p">:</span>
|
|
</span><span id="Dialect.get_or_raise-235"><a href="#Dialect.get_or_raise-235"><span class="linenos">235</span></a><span class="w"> </span><span class="sd">"""</span>
|
|
</span><span id="Dialect.get_or_raise-236"><a href="#Dialect.get_or_raise-236"><span class="linenos">236</span></a><span class="sd"> Look up a dialect in the global dialect registry and return it if it exists.</span>
|
|
</span><span id="Dialect.get_or_raise-237"><a href="#Dialect.get_or_raise-237"><span class="linenos">237</span></a>
|
|
</span><span id="Dialect.get_or_raise-238"><a href="#Dialect.get_or_raise-238"><span class="linenos">238</span></a><span class="sd"> Args:</span>
|
|
</span><span id="Dialect.get_or_raise-239"><a href="#Dialect.get_or_raise-239"><span class="linenos">239</span></a><span class="sd"> dialect: The target dialect. If this is a string, it can be optionally followed by</span>
|
|
</span><span id="Dialect.get_or_raise-240"><a href="#Dialect.get_or_raise-240"><span class="linenos">240</span></a><span class="sd"> additional key-value pairs that are separated by commas and are used to specify</span>
|
|
</span><span id="Dialect.get_or_raise-241"><a href="#Dialect.get_or_raise-241"><span class="linenos">241</span></a><span class="sd"> dialect settings, such as whether the dialect's identifiers are case-sensitive.</span>
|
|
</span><span id="Dialect.get_or_raise-242"><a href="#Dialect.get_or_raise-242"><span class="linenos">242</span></a>
|
|
</span><span id="Dialect.get_or_raise-243"><a href="#Dialect.get_or_raise-243"><span class="linenos">243</span></a><span class="sd"> Example:</span>
|
|
</span><span id="Dialect.get_or_raise-244"><a href="#Dialect.get_or_raise-244"><span class="linenos">244</span></a><span class="sd"> >>> dialect = dialect_class = get_or_raise("duckdb")</span>
|
|
</span><span id="Dialect.get_or_raise-245"><a href="#Dialect.get_or_raise-245"><span class="linenos">245</span></a><span class="sd"> >>> dialect = get_or_raise("mysql, normalization_strategy = case_sensitive")</span>
|
|
</span><span id="Dialect.get_or_raise-246"><a href="#Dialect.get_or_raise-246"><span class="linenos">246</span></a>
|
|
</span><span id="Dialect.get_or_raise-247"><a href="#Dialect.get_or_raise-247"><span class="linenos">247</span></a><span class="sd"> Returns:</span>
|
|
</span><span id="Dialect.get_or_raise-248"><a href="#Dialect.get_or_raise-248"><span class="linenos">248</span></a><span class="sd"> The corresponding Dialect instance.</span>
|
|
</span><span id="Dialect.get_or_raise-249"><a href="#Dialect.get_or_raise-249"><span class="linenos">249</span></a><span class="sd"> """</span>
|
|
</span><span id="Dialect.get_or_raise-250"><a href="#Dialect.get_or_raise-250"><span class="linenos">250</span></a>
|
|
</span><span id="Dialect.get_or_raise-251"><a href="#Dialect.get_or_raise-251"><span class="linenos">251</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">dialect</span><span class="p">:</span>
|
|
</span><span id="Dialect.get_or_raise-252"><a href="#Dialect.get_or_raise-252"><span class="linenos">252</span></a> <span class="k">return</span> <span class="bp">cls</span><span class="p">()</span>
|
|
</span><span id="Dialect.get_or_raise-253"><a href="#Dialect.get_or_raise-253"><span class="linenos">253</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">_Dialect</span><span class="p">):</span>
|
|
</span><span id="Dialect.get_or_raise-254"><a href="#Dialect.get_or_raise-254"><span class="linenos">254</span></a> <span class="k">return</span> <span class="n">dialect</span><span class="p">()</span>
|
|
</span><span id="Dialect.get_or_raise-255"><a href="#Dialect.get_or_raise-255"><span class="linenos">255</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">):</span>
|
|
</span><span id="Dialect.get_or_raise-256"><a href="#Dialect.get_or_raise-256"><span class="linenos">256</span></a> <span class="k">return</span> <span class="n">dialect</span>
|
|
</span><span id="Dialect.get_or_raise-257"><a href="#Dialect.get_or_raise-257"><span class="linenos">257</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
|
|
</span><span id="Dialect.get_or_raise-258"><a href="#Dialect.get_or_raise-258"><span class="linenos">258</span></a> <span class="k">try</span><span class="p">:</span>
|
|
</span><span id="Dialect.get_or_raise-259"><a href="#Dialect.get_or_raise-259"><span class="linenos">259</span></a> <span class="n">dialect_name</span><span class="p">,</span> <span class="o">*</span><span class="n">kv_pairs</span> <span class="o">=</span> <span class="n">dialect</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">","</span><span class="p">)</span>
|
|
</span><span id="Dialect.get_or_raise-260"><a href="#Dialect.get_or_raise-260"><span class="linenos">260</span></a> <span class="n">kwargs</span> <span class="o">=</span> <span class="p">{</span><span class="n">k</span><span class="o">.</span><span class="n">strip</span><span class="p">():</span> <span class="n">v</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="p">(</span><span class="n">kv</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">"="</span><span class="p">)</span> <span class="k">for</span> <span class="n">kv</span> <span class="ow">in</span> <span class="n">kv_pairs</span><span class="p">)}</span>
|
|
</span><span id="Dialect.get_or_raise-261"><a href="#Dialect.get_or_raise-261"><span class="linenos">261</span></a> <span class="k">except</span> <span class="ne">ValueError</span><span class="p">:</span>
|
|
</span><span id="Dialect.get_or_raise-262"><a href="#Dialect.get_or_raise-262"><span class="linenos">262</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
|
|
</span><span id="Dialect.get_or_raise-263"><a href="#Dialect.get_or_raise-263"><span class="linenos">263</span></a> <span class="sa">f</span><span class="s2">"Invalid dialect format: '</span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">'. "</span>
|
|
</span><span id="Dialect.get_or_raise-264"><a href="#Dialect.get_or_raise-264"><span class="linenos">264</span></a> <span class="s2">"Please use the correct format: 'dialect [, k1 = v2 [, ...]]'."</span>
|
|
</span><span id="Dialect.get_or_raise-265"><a href="#Dialect.get_or_raise-265"><span class="linenos">265</span></a> <span class="p">)</span>
|
|
</span><span id="Dialect.get_or_raise-266"><a href="#Dialect.get_or_raise-266"><span class="linenos">266</span></a>
|
|
</span><span id="Dialect.get_or_raise-267"><a href="#Dialect.get_or_raise-267"><span class="linenos">267</span></a> <span class="n">result</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">dialect_name</span><span class="o">.</span><span class="n">strip</span><span class="p">())</span>
|
|
</span><span id="Dialect.get_or_raise-268"><a href="#Dialect.get_or_raise-268"><span class="linenos">268</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">result</span><span class="p">:</span>
|
|
</span><span id="Dialect.get_or_raise-269"><a href="#Dialect.get_or_raise-269"><span class="linenos">269</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown dialect '</span><span class="si">{</span><span class="n">dialect_name</span><span class="si">}</span><span class="s2">'."</span><span class="p">)</span>
|
|
</span><span id="Dialect.get_or_raise-270"><a href="#Dialect.get_or_raise-270"><span class="linenos">270</span></a>
|
|
</span><span id="Dialect.get_or_raise-271"><a href="#Dialect.get_or_raise-271"><span class="linenos">271</span></a> <span class="k">return</span> <span class="n">result</span><span class="p">(</span><span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
|
|
</span><span id="Dialect.get_or_raise-272"><a href="#Dialect.get_or_raise-272"><span class="linenos">272</span></a>
|
|
</span><span id="Dialect.get_or_raise-273"><a href="#Dialect.get_or_raise-273"><span class="linenos">273</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Invalid dialect type for '</span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">': '</span><span class="si">{</span><span class="nb">type</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span><span class="si">}</span><span class="s2">'."</span><span class="p">)</span>
|
|
</span></pre></div>
|
|
|
|
|
|
<div class="docstring"><p>Look up a dialect in the global dialect registry and return it if it exists.</p>
|
|
|
|
<h6 id="arguments">Arguments:</h6>
|
|
|
|
<ul>
|
|
<li><strong>dialect:</strong> The target dialect. If this is a string, it can be optionally followed by
|
|
additional key-value pairs that are separated by commas and are used to specify
|
|
dialect settings, such as whether the dialect's identifiers are case-sensitive.</li>
|
|
</ul>
|
|
|
|
<h6 id="example">Example:</h6>
|
|
|
|
<blockquote>
|
|
<div class="pdoc-code codehilite">
|
|
<pre><span></span><code><span class="gp">>>> </span><span class="n">dialect</span> <span class="o">=</span> <span class="n">dialect_class</span> <span class="o">=</span> <span class="n">get_or_raise</span><span class="p">(</span><span class="s2">"duckdb"</span><span class="p">)</span>
|
|
<span class="gp">>>> </span><span class="n">dialect</span> <span class="o">=</span> <span class="n">get_or_raise</span><span class="p">(</span><span class="s2">"mysql, normalization_strategy = case_sensitive"</span><span class="p">)</span>
|
|
</code></pre>
|
|
</div>
|
|
</blockquote>
|
|
|
|
<h6 id="returns">Returns:</h6>
|
|
|
|
<blockquote>
|
|
<p>The corresponding Dialect instance.</p>
|
|
</blockquote>
|
|
</div>
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.format_time" class="classattr">
|
|
<input id="Dialect.format_time-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
<div class="decorator">@classmethod</div>
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">format_time</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n">Optional</span><span class="p">[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]</span>:</span></span>
|
|
|
|
<label class="view-source-button" for="Dialect.format_time-view-source"><span>View Source</span></label>
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.format_time"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.format_time-275"><a href="#Dialect.format_time-275"><span class="linenos">275</span></a> <span class="nd">@classmethod</span>
|
|
</span><span id="Dialect.format_time-276"><a href="#Dialect.format_time-276"><span class="linenos">276</span></a> <span class="k">def</span> <span class="nf">format_time</span><span class="p">(</span>
|
|
</span><span id="Dialect.format_time-277"><a href="#Dialect.format_time-277"><span class="linenos">277</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span>
|
|
</span><span id="Dialect.format_time-278"><a href="#Dialect.format_time-278"><span class="linenos">278</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
|
</span><span id="Dialect.format_time-279"><a href="#Dialect.format_time-279"><span class="linenos">279</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
|
|
</span><span id="Dialect.format_time-280"><a href="#Dialect.format_time-280"><span class="linenos">280</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span>
|
|
</span><span id="Dialect.format_time-281"><a href="#Dialect.format_time-281"><span class="linenos">281</span></a> <span class="c1"># the time formats are quoted</span>
|
|
</span><span id="Dialect.format_time-282"><a href="#Dialect.format_time-282"><span class="linenos">282</span></a> <span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="o">-</span><span class="mi">1</span><span class="p">],</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">)</span>
|
|
</span><span id="Dialect.format_time-283"><a href="#Dialect.format_time-283"><span class="linenos">283</span></a> <span class="p">)</span>
|
|
</span><span id="Dialect.format_time-284"><a href="#Dialect.format_time-284"><span class="linenos">284</span></a>
|
|
</span><span id="Dialect.format_time-285"><a href="#Dialect.format_time-285"><span class="linenos">285</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span>
|
|
</span><span id="Dialect.format_time-286"><a href="#Dialect.format_time-286"><span class="linenos">286</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">))</span>
|
|
</span><span id="Dialect.format_time-287"><a href="#Dialect.format_time-287"><span class="linenos">287</span></a>
|
|
</span><span id="Dialect.format_time-288"><a href="#Dialect.format_time-288"><span class="linenos">288</span></a> <span class="k">return</span> <span class="n">expression</span>
|
|
</span></pre></div>
|
|
|
|
|
|
|
|
|
|
</div>
|
|
<div id="Dialect.normalize_identifier" class="classattr">
|
|
<input id="Dialect.normalize_identifier-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">normalize_identifier</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">expression</span><span class="p">:</span> <span class="o">~</span><span class="n">E</span></span><span class="return-annotation">) -> <span class="o">~</span><span class="n">E</span>:</span></span>
|
|
|
|
<label class="view-source-button" for="Dialect.normalize_identifier-view-source"><span>View Source</span></label>
|
|
|
|
</div>
|
|
<a class="headerlink" href="#Dialect.normalize_identifier"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.normalize_identifier-306"><a href="#Dialect.normalize_identifier-306"><span class="linenos">306</span></a> <span class="k">def</span> <span class="nf">normalize_identifier</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span>
|
|
</span><span id="Dialect.normalize_identifier-307"><a href="#Dialect.normalize_identifier-307"><span class="linenos">307</span></a><span class="w"> </span><span class="sd">"""</span>
|
|
</span><span id="Dialect.normalize_identifier-308"><a href="#Dialect.normalize_identifier-308"><span class="linenos">308</span></a><span class="sd"> Transforms an identifier in a way that resembles how it'd be resolved by this dialect.</span>
|
|
</span><span id="Dialect.normalize_identifier-309"><a href="#Dialect.normalize_identifier-309"><span class="linenos">309</span></a>
|
|
</span><span id="Dialect.normalize_identifier-310"><a href="#Dialect.normalize_identifier-310"><span class="linenos">310</span></a><span class="sd"> For example, an identifier like FoO would be resolved as foo in Postgres, because it</span>
|
|
</span><span id="Dialect.normalize_identifier-311"><a href="#Dialect.normalize_identifier-311"><span class="linenos">311</span></a><span class="sd"> lowercases all unquoted identifiers. On the other hand, Snowflake uppercases them, so</span>
|
|
</span><span id="Dialect.normalize_identifier-312"><a href="#Dialect.normalize_identifier-312"><span class="linenos">312</span></a><span class="sd"> it would resolve it as FOO. If it was quoted, it'd need to be treated as case-sensitive,</span>
|
|
</span><span id="Dialect.normalize_identifier-313"><a href="#Dialect.normalize_identifier-313"><span class="linenos">313</span></a><span class="sd"> and so any normalization would be prohibited in order to avoid "breaking" the identifier.</span>
|
|
</span><span id="Dialect.normalize_identifier-314"><a href="#Dialect.normalize_identifier-314"><span class="linenos">314</span></a>
|
|
</span><span id="Dialect.normalize_identifier-315"><a href="#Dialect.normalize_identifier-315"><span class="linenos">315</span></a><span class="sd"> There are also dialects like Spark, which are case-insensitive even when quotes are</span>
|
|
</span><span id="Dialect.normalize_identifier-316"><a href="#Dialect.normalize_identifier-316"><span class="linenos">316</span></a><span class="sd"> present, and dialects like MySQL, whose resolution rules match those employed by the</span>
|
|
</span><span id="Dialect.normalize_identifier-317"><a href="#Dialect.normalize_identifier-317"><span class="linenos">317</span></a><span class="sd"> underlying operating system, for example they may always be case-sensitive in Linux.</span>
|
|
</span><span id="Dialect.normalize_identifier-318"><a href="#Dialect.normalize_identifier-318"><span class="linenos">318</span></a>
|
|
</span><span id="Dialect.normalize_identifier-319"><a href="#Dialect.normalize_identifier-319"><span class="linenos">319</span></a><span class="sd"> Finally, the normalization behavior of some engines can even be controlled through flags,</span>
|
|
</span><span id="Dialect.normalize_identifier-320"><a href="#Dialect.normalize_identifier-320"><span class="linenos">320</span></a><span class="sd"> like in Redshift's case, where users can explicitly set enable_case_sensitive_identifier.</span>
|
|
</span><span id="Dialect.normalize_identifier-321"><a href="#Dialect.normalize_identifier-321"><span class="linenos">321</span></a>
|
|
</span><span id="Dialect.normalize_identifier-322"><a href="#Dialect.normalize_identifier-322"><span class="linenos">322</span></a><span class="sd"> SQLGlot aims to understand and handle all of these different behaviors gracefully, so</span>
|
|
</span><span id="Dialect.normalize_identifier-323"><a href="#Dialect.normalize_identifier-323"><span class="linenos">323</span></a><span class="sd"> that it can analyze queries in the optimizer and successfully capture their semantics.</span>
|
|
</span><span id="Dialect.normalize_identifier-324"><a href="#Dialect.normalize_identifier-324"><span class="linenos">324</span></a><span class="sd"> """</span>
|
|
</span><span id="Dialect.normalize_identifier-325"><a href="#Dialect.normalize_identifier-325"><span class="linenos">325</span></a> <span class="k">if</span> <span class="p">(</span>
|
|
</span><span id="Dialect.normalize_identifier-326"><a href="#Dialect.normalize_identifier-326"><span class="linenos">326</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span>
|
|
</span><span id="Dialect.normalize_identifier-327"><a href="#Dialect.normalize_identifier-327"><span class="linenos">327</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">CASE_SENSITIVE</span>
|
|
</span><span id="Dialect.normalize_identifier-328"><a href="#Dialect.normalize_identifier-328"><span class="linenos">328</span></a> <span class="ow">and</span> <span class="p">(</span>
|
|
</span><span id="Dialect.normalize_identifier-329"><a href="#Dialect.normalize_identifier-329"><span class="linenos">329</span></a> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">quoted</span>
|
|
</span><span id="Dialect.normalize_identifier-330"><a href="#Dialect.normalize_identifier-330"><span class="linenos">330</span></a> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">CASE_INSENSITIVE</span>
|
|
</span><span id="Dialect.normalize_identifier-331"><a href="#Dialect.normalize_identifier-331"><span class="linenos">331</span></a> <span class="p">)</span>
|
|
</span><span id="Dialect.normalize_identifier-332"><a href="#Dialect.normalize_identifier-332"><span class="linenos">332</span></a> <span class="p">):</span>
|
|
</span><span id="Dialect.normalize_identifier-333"><a href="#Dialect.normalize_identifier-333"><span class="linenos">333</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span>
|
|
</span><span id="Dialect.normalize_identifier-334"><a href="#Dialect.normalize_identifier-334"><span class="linenos">334</span></a> <span class="s2">"this"</span><span class="p">,</span>
|
|
</span><span id="Dialect.normalize_identifier-335"><a href="#Dialect.normalize_identifier-335"><span class="linenos">335</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span>
|
|
</span><span id="Dialect.normalize_identifier-336"><a href="#Dialect.normalize_identifier-336"><span class="linenos">336</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">UPPERCASE</span>
|
|
</span><span id="Dialect.normalize_identifier-337"><a href="#Dialect.normalize_identifier-337"><span class="linenos">337</span></a> <span class="k">else</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">lower</span><span class="p">(),</span>
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</span><span id="Dialect.normalize_identifier-338"><a href="#Dialect.normalize_identifier-338"><span class="linenos">338</span></a> <span class="p">)</span>
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</span><span id="Dialect.normalize_identifier-339"><a href="#Dialect.normalize_identifier-339"><span class="linenos">339</span></a>
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</span><span id="Dialect.normalize_identifier-340"><a href="#Dialect.normalize_identifier-340"><span class="linenos">340</span></a> <span class="k">return</span> <span class="n">expression</span>
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</span></pre></div>
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<div class="docstring"><p>Transforms an identifier in a way that resembles how it'd be resolved by this dialect.</p>
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<p>For example, an identifier like FoO would be resolved as foo in Postgres, because it
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lowercases all unquoted identifiers. On the other hand, Snowflake uppercases them, so
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it would resolve it as FOO. If it was quoted, it'd need to be treated as case-sensitive,
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and so any normalization would be prohibited in order to avoid "breaking" the identifier.</p>
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<p>There are also dialects like Spark, which are case-insensitive even when quotes are
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present, and dialects like MySQL, whose resolution rules match those employed by the
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underlying operating system, for example they may always be case-sensitive in Linux.</p>
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<p>Finally, the normalization behavior of some engines can even be controlled through flags,
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like in Redshift's case, where users can explicitly set enable_case_sensitive_identifier.</p>
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<p>SQLGlot aims to understand and handle all of these different behaviors gracefully, so
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that it can analyze queries in the optimizer and successfully capture their semantics.</p>
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</div>
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</div>
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<div id="Dialect.case_sensitive" class="classattr">
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<input id="Dialect.case_sensitive-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">case_sensitive</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">text</span><span class="p">:</span> <span class="nb">str</span></span><span class="return-annotation">) -> <span class="nb">bool</span>:</span></span>
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<label class="view-source-button" for="Dialect.case_sensitive-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#Dialect.case_sensitive"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.case_sensitive-342"><a href="#Dialect.case_sensitive-342"><span class="linenos">342</span></a> <span class="k">def</span> <span class="nf">case_sensitive</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">text</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
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</span><span id="Dialect.case_sensitive-343"><a href="#Dialect.case_sensitive-343"><span class="linenos">343</span></a><span class="w"> </span><span class="sd">"""Checks if text contains any case sensitive characters, based on the dialect's rules."""</span>
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</span><span id="Dialect.case_sensitive-344"><a href="#Dialect.case_sensitive-344"><span class="linenos">344</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">CASE_INSENSITIVE</span><span class="p">:</span>
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</span><span id="Dialect.case_sensitive-345"><a href="#Dialect.case_sensitive-345"><span class="linenos">345</span></a> <span class="k">return</span> <span class="kc">False</span>
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</span><span id="Dialect.case_sensitive-346"><a href="#Dialect.case_sensitive-346"><span class="linenos">346</span></a>
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</span><span id="Dialect.case_sensitive-347"><a href="#Dialect.case_sensitive-347"><span class="linenos">347</span></a> <span class="n">unsafe</span> <span class="o">=</span> <span class="p">(</span>
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</span><span id="Dialect.case_sensitive-348"><a href="#Dialect.case_sensitive-348"><span class="linenos">348</span></a> <span class="nb">str</span><span class="o">.</span><span class="n">islower</span>
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</span><span id="Dialect.case_sensitive-349"><a href="#Dialect.case_sensitive-349"><span class="linenos">349</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalization_strategy</span> <span class="ow">is</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">UPPERCASE</span>
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</span><span id="Dialect.case_sensitive-350"><a href="#Dialect.case_sensitive-350"><span class="linenos">350</span></a> <span class="k">else</span> <span class="nb">str</span><span class="o">.</span><span class="n">isupper</span>
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</span><span id="Dialect.case_sensitive-351"><a href="#Dialect.case_sensitive-351"><span class="linenos">351</span></a> <span class="p">)</span>
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</span><span id="Dialect.case_sensitive-352"><a href="#Dialect.case_sensitive-352"><span class="linenos">352</span></a> <span class="k">return</span> <span class="nb">any</span><span class="p">(</span><span class="n">unsafe</span><span class="p">(</span><span class="n">char</span><span class="p">)</span> <span class="k">for</span> <span class="n">char</span> <span class="ow">in</span> <span class="n">text</span><span class="p">)</span>
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</span></pre></div>
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<div class="docstring"><p>Checks if text contains any case sensitive characters, based on the dialect's rules.</p>
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</div>
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</div>
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<div id="Dialect.can_identify" class="classattr">
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<input id="Dialect.can_identify-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">can_identify</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">text</span><span class="p">:</span> <span class="nb">str</span>, </span><span class="param"><span class="n">identify</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="nb">bool</span> <span class="o">=</span> <span class="s1">'safe'</span></span><span class="return-annotation">) -> <span class="nb">bool</span>:</span></span>
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<label class="view-source-button" for="Dialect.can_identify-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#Dialect.can_identify"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.can_identify-354"><a href="#Dialect.can_identify-354"><span class="linenos">354</span></a> <span class="k">def</span> <span class="nf">can_identify</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">text</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">identify</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="nb">bool</span> <span class="o">=</span> <span class="s2">"safe"</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
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</span><span id="Dialect.can_identify-355"><a href="#Dialect.can_identify-355"><span class="linenos">355</span></a><span class="w"> </span><span class="sd">"""Checks if text can be identified given an identify option.</span>
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</span><span id="Dialect.can_identify-356"><a href="#Dialect.can_identify-356"><span class="linenos">356</span></a>
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</span><span id="Dialect.can_identify-357"><a href="#Dialect.can_identify-357"><span class="linenos">357</span></a><span class="sd"> Args:</span>
|
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</span><span id="Dialect.can_identify-358"><a href="#Dialect.can_identify-358"><span class="linenos">358</span></a><span class="sd"> text: The text to check.</span>
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</span><span id="Dialect.can_identify-359"><a href="#Dialect.can_identify-359"><span class="linenos">359</span></a><span class="sd"> identify:</span>
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</span><span id="Dialect.can_identify-360"><a href="#Dialect.can_identify-360"><span class="linenos">360</span></a><span class="sd"> "always" or `True`: Always returns true.</span>
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</span><span id="Dialect.can_identify-361"><a href="#Dialect.can_identify-361"><span class="linenos">361</span></a><span class="sd"> "safe": True if the identifier is case-insensitive.</span>
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</span><span id="Dialect.can_identify-362"><a href="#Dialect.can_identify-362"><span class="linenos">362</span></a>
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</span><span id="Dialect.can_identify-363"><a href="#Dialect.can_identify-363"><span class="linenos">363</span></a><span class="sd"> Returns:</span>
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</span><span id="Dialect.can_identify-364"><a href="#Dialect.can_identify-364"><span class="linenos">364</span></a><span class="sd"> Whether or not the given text can be identified.</span>
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</span><span id="Dialect.can_identify-365"><a href="#Dialect.can_identify-365"><span class="linenos">365</span></a><span class="sd"> """</span>
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</span><span id="Dialect.can_identify-366"><a href="#Dialect.can_identify-366"><span class="linenos">366</span></a> <span class="k">if</span> <span class="n">identify</span> <span class="ow">is</span> <span class="kc">True</span> <span class="ow">or</span> <span class="n">identify</span> <span class="o">==</span> <span class="s2">"always"</span><span class="p">:</span>
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</span><span id="Dialect.can_identify-367"><a href="#Dialect.can_identify-367"><span class="linenos">367</span></a> <span class="k">return</span> <span class="kc">True</span>
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</span><span id="Dialect.can_identify-368"><a href="#Dialect.can_identify-368"><span class="linenos">368</span></a>
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</span><span id="Dialect.can_identify-369"><a href="#Dialect.can_identify-369"><span class="linenos">369</span></a> <span class="k">if</span> <span class="n">identify</span> <span class="o">==</span> <span class="s2">"safe"</span><span class="p">:</span>
|
|
</span><span id="Dialect.can_identify-370"><a href="#Dialect.can_identify-370"><span class="linenos">370</span></a> <span class="k">return</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">case_sensitive</span><span class="p">(</span><span class="n">text</span><span class="p">)</span>
|
|
</span><span id="Dialect.can_identify-371"><a href="#Dialect.can_identify-371"><span class="linenos">371</span></a>
|
|
</span><span id="Dialect.can_identify-372"><a href="#Dialect.can_identify-372"><span class="linenos">372</span></a> <span class="k">return</span> <span class="kc">False</span>
|
|
</span></pre></div>
|
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<div class="docstring"><p>Checks if text can be identified given an identify option.</p>
|
|
|
|
<h6 id="arguments">Arguments:</h6>
|
|
|
|
<ul>
|
|
<li><strong>text:</strong> The text to check.</li>
|
|
<li><strong>identify:</strong> "always" or <code>True</code>: Always returns true.
|
|
"safe": True if the identifier is case-insensitive.</li>
|
|
</ul>
|
|
|
|
<h6 id="returns">Returns:</h6>
|
|
|
|
<blockquote>
|
|
<p>Whether or not the given text can be identified.</p>
|
|
</blockquote>
|
|
</div>
|
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</div>
|
|
<div id="Dialect.quote_identifier" class="classattr">
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<input id="Dialect.quote_identifier-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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|
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<span class="def">def</span>
|
|
<span class="name">quote_identifier</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">expression</span><span class="p">:</span> <span class="o">~</span><span class="n">E</span>, </span><span class="param"><span class="n">identify</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span></span><span class="return-annotation">) -> <span class="o">~</span><span class="n">E</span>:</span></span>
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<a class="headerlink" href="#Dialect.quote_identifier"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.quote_identifier-374"><a href="#Dialect.quote_identifier-374"><span class="linenos">374</span></a> <span class="k">def</span> <span class="nf">quote_identifier</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="n">identify</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span>
|
|
</span><span id="Dialect.quote_identifier-375"><a href="#Dialect.quote_identifier-375"><span class="linenos">375</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">):</span>
|
|
</span><span id="Dialect.quote_identifier-376"><a href="#Dialect.quote_identifier-376"><span class="linenos">376</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
|
|
</span><span id="Dialect.quote_identifier-377"><a href="#Dialect.quote_identifier-377"><span class="linenos">377</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span>
|
|
</span><span id="Dialect.quote_identifier-378"><a href="#Dialect.quote_identifier-378"><span class="linenos">378</span></a> <span class="s2">"quoted"</span><span class="p">,</span>
|
|
</span><span id="Dialect.quote_identifier-379"><a href="#Dialect.quote_identifier-379"><span class="linenos">379</span></a> <span class="n">identify</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">case_sensitive</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">exp</span><span class="o">.</span><span class="n">SAFE_IDENTIFIER_RE</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="n">name</span><span class="p">),</span>
|
|
</span><span id="Dialect.quote_identifier-380"><a href="#Dialect.quote_identifier-380"><span class="linenos">380</span></a> <span class="p">)</span>
|
|
</span><span id="Dialect.quote_identifier-381"><a href="#Dialect.quote_identifier-381"><span class="linenos">381</span></a>
|
|
</span><span id="Dialect.quote_identifier-382"><a href="#Dialect.quote_identifier-382"><span class="linenos">382</span></a> <span class="k">return</span> <span class="n">expression</span>
|
|
</span></pre></div>
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</div>
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<div id="Dialect.parse" class="classattr">
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|
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<div class="attr function">
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<span class="def">def</span>
|
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<span class="name">parse</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">sql</span><span class="p">:</span> <span class="nb">str</span>, </span><span class="param"><span class="o">**</span><span class="n">opts</span></span><span class="return-annotation">) -> <span class="n">List</span><span class="p">[</span><span class="n">Optional</span><span class="p">[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]]</span>:</span></span>
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<label class="view-source-button" for="Dialect.parse-view-source"><span>View Source</span></label>
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</div>
|
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<a class="headerlink" href="#Dialect.parse"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.parse-384"><a href="#Dialect.parse-384"><span class="linenos">384</span></a> <span class="k">def</span> <span class="nf">parse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span>
|
|
</span><span id="Dialect.parse-385"><a href="#Dialect.parse-385"><span class="linenos">385</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span>
|
|
</span></pre></div>
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</div>
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<div id="Dialect.parse_into" class="classattr">
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<input id="Dialect.parse_into-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
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<div class="attr function">
|
|
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<span class="def">def</span>
|
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<span class="name">parse_into</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">expression_type</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Type</span><span class="p">[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">],</span> <span class="n">Collection</span><span class="p">[</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Type</span><span class="p">[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]]]]</span>,</span><span class="param"> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span>,</span><span class="param"> <span class="o">**</span><span class="n">opts</span></span><span class="return-annotation">) -> <span class="n">List</span><span class="p">[</span><span class="n">Optional</span><span class="p">[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]]</span>:</span></span>
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<label class="view-source-button" for="Dialect.parse_into-view-source"><span>View Source</span></label>
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</div>
|
|
<a class="headerlink" href="#Dialect.parse_into"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.parse_into-387"><a href="#Dialect.parse_into-387"><span class="linenos">387</span></a> <span class="k">def</span> <span class="nf">parse_into</span><span class="p">(</span>
|
|
</span><span id="Dialect.parse_into-388"><a href="#Dialect.parse_into-388"><span class="linenos">388</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">IntoType</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span>
|
|
</span><span id="Dialect.parse_into-389"><a href="#Dialect.parse_into-389"><span class="linenos">389</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span>
|
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</span><span id="Dialect.parse_into-390"><a href="#Dialect.parse_into-390"><span class="linenos">390</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse_into</span><span class="p">(</span><span class="n">expression_type</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span>
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</span></pre></div>
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</div>
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<div id="Dialect.generate" class="classattr">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">generate</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span>,</span><span class="param"> <span class="n">copy</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span>,</span><span class="param"> <span class="o">**</span><span class="n">opts</span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="Dialect.generate-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#Dialect.generate"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.generate-392"><a href="#Dialect.generate-392"><span class="linenos">392</span></a> <span class="k">def</span> <span class="nf">generate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">copy</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="Dialect.generate-393"><a href="#Dialect.generate-393"><span class="linenos">393</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="n">copy</span><span class="p">)</span>
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</span></pre></div>
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</div>
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<div id="Dialect.transpile" class="classattr">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">transpile</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">sql</span><span class="p">:</span> <span class="nb">str</span>, </span><span class="param"><span class="o">**</span><span class="n">opts</span></span><span class="return-annotation">) -> <span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span>:</span></span>
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<label class="view-source-button" for="Dialect.transpile-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#Dialect.transpile"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.transpile-395"><a href="#Dialect.transpile-395"><span class="linenos">395</span></a> <span class="k">def</span> <span class="nf">transpile</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span>
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</span><span id="Dialect.transpile-396"><a href="#Dialect.transpile-396"><span class="linenos">396</span></a> <span class="k">return</span> <span class="p">[</span>
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</span><span id="Dialect.transpile-397"><a href="#Dialect.transpile-397"><span class="linenos">397</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="k">if</span> <span class="n">expression</span> <span class="k">else</span> <span class="s2">""</span>
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</span><span id="Dialect.transpile-398"><a href="#Dialect.transpile-398"><span class="linenos">398</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">)</span>
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</span><span id="Dialect.transpile-399"><a href="#Dialect.transpile-399"><span class="linenos">399</span></a> <span class="p">]</span>
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</span></pre></div>
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</div>
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<div id="Dialect.tokenize" class="classattr">
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<input id="Dialect.tokenize-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">tokenize</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">sql</span><span class="p">:</span> <span class="nb">str</span></span><span class="return-annotation">) -> <span class="n">List</span><span class="p">[</span><span class="n"><a href="../tokens.html#Token">sqlglot.tokens.Token</a></span><span class="p">]</span>:</span></span>
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<label class="view-source-button" for="Dialect.tokenize-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#Dialect.tokenize"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.tokenize-401"><a href="#Dialect.tokenize-401"><span class="linenos">401</span></a> <span class="k">def</span> <span class="nf">tokenize</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">Token</span><span class="p">]:</span>
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</span><span id="Dialect.tokenize-402"><a href="#Dialect.tokenize-402"><span class="linenos">402</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">)</span>
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</span></pre></div>
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</div>
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<div id="Dialect.tokenizer" class="classattr">
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<div class="attr variable">
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<span class="name">tokenizer</span><span class="annotation">: <a href="../tokens.html#Tokenizer">sqlglot.tokens.Tokenizer</a></span>
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</div>
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<a class="headerlink" href="#Dialect.tokenizer"></a>
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</div>
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<div id="Dialect.parser" class="classattr">
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<input id="Dialect.parser-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">parser</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="o">**</span><span class="n">opts</span></span><span class="return-annotation">) -> <span class="n"><a href="../parser.html#Parser">sqlglot.parser.Parser</a></span>:</span></span>
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<label class="view-source-button" for="Dialect.parser-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#Dialect.parser"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.parser-410"><a href="#Dialect.parser-410"><span class="linenos">410</span></a> <span class="k">def</span> <span class="nf">parser</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Parser</span><span class="p">:</span>
|
|
</span><span id="Dialect.parser-411"><a href="#Dialect.parser-411"><span class="linenos">411</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser_class</span><span class="p">(</span><span class="n">dialect</span><span class="o">=</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span>
|
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</span></pre></div>
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</div>
|
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<div id="Dialect.generator" class="classattr">
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<input id="Dialect.generator-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">generator</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="o">**</span><span class="n">opts</span></span><span class="return-annotation">) -> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>:</span></span>
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<label class="view-source-button" for="Dialect.generator-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#Dialect.generator"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.generator-413"><a href="#Dialect.generator-413"><span class="linenos">413</span></a> <span class="k">def</span> <span class="nf">generator</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Generator</span><span class="p">:</span>
|
|
</span><span id="Dialect.generator-414"><a href="#Dialect.generator-414"><span class="linenos">414</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator_class</span><span class="p">(</span><span class="n">dialect</span><span class="o">=</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span>
|
|
</span></pre></div>
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</div>
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</section>
|
|
<section id="DialectType">
|
|
<div class="attr variable">
|
|
<span class="name">DialectType</span> =
|
|
<input id="DialectType-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<label class="view-value-button pdoc-button" for="DialectType-view-value"></label><span class="default_value">typing.Union[str, <a href="#Dialect">Dialect</a>, typing.Type[<a href="#Dialect">Dialect</a>], NoneType]</span>
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</div>
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<a class="headerlink" href="#DialectType"></a>
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</section>
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<section id="rename_func">
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<input id="rename_func-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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|
<span class="name">rename_func</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span></span><span class="return-annotation">) -> <span class="n">Callable</span><span class="p">[[</span><span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">],</span> <span class="nb">str</span><span class="p">]</span>:</span></span>
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<label class="view-source-button" for="rename_func-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#rename_func"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="rename_func-420"><a href="#rename_func-420"><span class="linenos">420</span></a><span class="k">def</span> <span class="nf">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
|
</span><span id="rename_func-421"><a href="#rename_func-421"><span class="linenos">421</span></a> <span class="k">return</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="o">*</span><span class="n">flatten</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">()))</span>
|
|
</span></pre></div>
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</section>
|
|
<section id="approx_count_distinct_sql">
|
|
<input id="approx_count_distinct_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
|
|
<span class="name">approx_count_distinct_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#ApproxDistinct">sqlglot.expressions.ApproxDistinct</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="approx_count_distinct_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#approx_count_distinct_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="approx_count_distinct_sql-424"><a href="#approx_count_distinct_sql-424"><span class="linenos">424</span></a><span class="k">def</span> <span class="nf">approx_count_distinct_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="approx_count_distinct_sql-425"><a href="#approx_count_distinct_sql-425"><span class="linenos">425</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"accuracy"</span><span class="p">):</span>
|
|
</span><span id="approx_count_distinct_sql-426"><a href="#approx_count_distinct_sql-426"><span class="linenos">426</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"APPROX_COUNT_DISTINCT does not support accuracy"</span><span class="p">)</span>
|
|
</span><span id="approx_count_distinct_sql-427"><a href="#approx_count_distinct_sql-427"><span class="linenos">427</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"APPROX_COUNT_DISTINCT"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
|
</span></pre></div>
|
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</section>
|
|
<section id="if_sql">
|
|
<input id="if_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
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<div class="attr function">
|
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|
|
<span class="def">def</span>
|
|
<span class="name">if_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s1">'IF'</span>,</span><span class="param"> <span class="n">false_value</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span></span><span class="return-annotation">) -> <span class="n">Callable</span><span class="p">[[</span><span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span><span class="p">,</span> <span class="n"><a href="../expressions.html#If">sqlglot.expressions.If</a></span><span class="p">],</span> <span class="nb">str</span><span class="p">]</span>:</span></span>
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<label class="view-source-button" for="if_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#if_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="if_sql-430"><a href="#if_sql-430"><span class="linenos">430</span></a><span class="k">def</span> <span class="nf">if_sql</span><span class="p">(</span>
|
|
</span><span id="if_sql-431"><a href="#if_sql-431"><span class="linenos">431</span></a> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"IF"</span><span class="p">,</span> <span class="n">false_value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span> <span class="o">|</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
|
</span><span id="if_sql-432"><a href="#if_sql-432"><span class="linenos">432</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
|
</span><span id="if_sql-433"><a href="#if_sql-433"><span class="linenos">433</span></a> <span class="k">def</span> <span class="nf">_if_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="if_sql-434"><a href="#if_sql-434"><span class="linenos">434</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
|
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</span><span id="if_sql-435"><a href="#if_sql-435"><span class="linenos">435</span></a> <span class="n">name</span><span class="p">,</span>
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</span><span id="if_sql-436"><a href="#if_sql-436"><span class="linenos">436</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span>
|
|
</span><span id="if_sql-437"><a href="#if_sql-437"><span class="linenos">437</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"true"</span><span class="p">),</span>
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|
</span><span id="if_sql-438"><a href="#if_sql-438"><span class="linenos">438</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"false"</span><span class="p">)</span> <span class="ow">or</span> <span class="n">false_value</span><span class="p">,</span>
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</span><span id="if_sql-439"><a href="#if_sql-439"><span class="linenos">439</span></a> <span class="p">)</span>
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</span><span id="if_sql-440"><a href="#if_sql-440"><span class="linenos">440</span></a>
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</span><span id="if_sql-441"><a href="#if_sql-441"><span class="linenos">441</span></a> <span class="k">return</span> <span class="n">_if_sql</span>
|
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</span></pre></div>
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</section>
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<section id="arrow_json_extract_sql">
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<input id="arrow_json_extract_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">arrow_json_extract_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#JSONExtract">sqlglot.expressions.JSONExtract</a></span> <span class="o">|</span> <span class="n"><a href="../expressions.html#JSONBExtract">sqlglot.expressions.JSONBExtract</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="arrow_json_extract_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#arrow_json_extract_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="arrow_json_extract_sql-444"><a href="#arrow_json_extract_sql-444"><span class="linenos">444</span></a><span class="k">def</span> <span class="nf">arrow_json_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtract</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONBExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="arrow_json_extract_sql-445"><a href="#arrow_json_extract_sql-445"><span class="linenos">445</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"->"</span><span class="p">)</span>
|
|
</span></pre></div>
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</section>
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<section id="arrow_json_extract_scalar_sql">
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<input id="arrow_json_extract_scalar_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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|
<span class="name">arrow_json_extract_scalar_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#JSONExtractScalar">sqlglot.expressions.JSONExtractScalar</a></span> <span class="o">|</span> <span class="n"><a href="../expressions.html#JSONBExtractScalar">sqlglot.expressions.JSONBExtractScalar</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="arrow_json_extract_scalar_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#arrow_json_extract_scalar_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="arrow_json_extract_scalar_sql-448"><a href="#arrow_json_extract_scalar_sql-448"><span class="linenos">448</span></a><span class="k">def</span> <span class="nf">arrow_json_extract_scalar_sql</span><span class="p">(</span>
|
|
</span><span id="arrow_json_extract_scalar_sql-449"><a href="#arrow_json_extract_scalar_sql-449"><span class="linenos">449</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtractScalar</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONBExtractScalar</span>
|
|
</span><span id="arrow_json_extract_scalar_sql-450"><a href="#arrow_json_extract_scalar_sql-450"><span class="linenos">450</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="arrow_json_extract_scalar_sql-451"><a href="#arrow_json_extract_scalar_sql-451"><span class="linenos">451</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"->>"</span><span class="p">)</span>
|
|
</span></pre></div>
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</section>
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<section id="inline_array_sql">
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<input id="inline_array_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
|
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<span class="name">inline_array_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Array">sqlglot.expressions.Array</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="inline_array_sql-view-source"><span>View Source</span></label>
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</div>
|
|
<a class="headerlink" href="#inline_array_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="inline_array_sql-454"><a href="#inline_array_sql-454"><span class="linenos">454</span></a><span class="k">def</span> <span class="nf">inline_array_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="inline_array_sql-455"><a href="#inline_array_sql-455"><span class="linenos">455</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"[</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="n">flat</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span><span class="si">}</span><span class="s2">]"</span>
|
|
</span></pre></div>
|
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</section>
|
|
<section id="no_ilike_sql">
|
|
<input id="no_ilike_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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|
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<span class="def">def</span>
|
|
<span class="name">no_ilike_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#ILike">sqlglot.expressions.ILike</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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|
<label class="view-source-button" for="no_ilike_sql-view-source"><span>View Source</span></label>
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</div>
|
|
<a class="headerlink" href="#no_ilike_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="no_ilike_sql-458"><a href="#no_ilike_sql-458"><span class="linenos">458</span></a><span class="k">def</span> <span class="nf">no_ilike_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ILike</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="no_ilike_sql-459"><a href="#no_ilike_sql-459"><span class="linenos">459</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">like_sql</span><span class="p">(</span>
|
|
</span><span id="no_ilike_sql-460"><a href="#no_ilike_sql-460"><span class="linenos">460</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Like</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Lower</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span>
|
|
</span><span id="no_ilike_sql-461"><a href="#no_ilike_sql-461"><span class="linenos">461</span></a> <span class="p">)</span>
|
|
</span></pre></div>
|
|
|
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|
|
|
|
</section>
|
|
<section id="no_paren_current_date_sql">
|
|
<input id="no_paren_current_date_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">no_paren_current_date_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#CurrentDate">sqlglot.expressions.CurrentDate</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
|
|
|
<label class="view-source-button" for="no_paren_current_date_sql-view-source"><span>View Source</span></label>
|
|
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|
</div>
|
|
<a class="headerlink" href="#no_paren_current_date_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="no_paren_current_date_sql-464"><a href="#no_paren_current_date_sql-464"><span class="linenos">464</span></a><span class="k">def</span> <span class="nf">no_paren_current_date_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="no_paren_current_date_sql-465"><a href="#no_paren_current_date_sql-465"><span class="linenos">465</span></a> <span class="n">zone</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span>
|
|
</span><span id="no_paren_current_date_sql-466"><a href="#no_paren_current_date_sql-466"><span class="linenos">466</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CURRENT_DATE AT TIME ZONE </span><span class="si">{</span><span class="n">zone</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">zone</span> <span class="k">else</span> <span class="s2">"CURRENT_DATE"</span>
|
|
</span></pre></div>
|
|
|
|
|
|
|
|
|
|
</section>
|
|
<section id="no_recursive_cte_sql">
|
|
<input id="no_recursive_cte_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">no_recursive_cte_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#With">sqlglot.expressions.With</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
|
|
|
<label class="view-source-button" for="no_recursive_cte_sql-view-source"><span>View Source</span></label>
|
|
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</div>
|
|
<a class="headerlink" href="#no_recursive_cte_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="no_recursive_cte_sql-469"><a href="#no_recursive_cte_sql-469"><span class="linenos">469</span></a><span class="k">def</span> <span class="nf">no_recursive_cte_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">With</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="no_recursive_cte_sql-470"><a href="#no_recursive_cte_sql-470"><span class="linenos">470</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"recursive"</span><span class="p">):</span>
|
|
</span><span id="no_recursive_cte_sql-471"><a href="#no_recursive_cte_sql-471"><span class="linenos">471</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Recursive CTEs are unsupported"</span><span class="p">)</span>
|
|
</span><span id="no_recursive_cte_sql-472"><a href="#no_recursive_cte_sql-472"><span class="linenos">472</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"recursive"</span><span class="p">]</span> <span class="o">=</span> <span class="kc">False</span>
|
|
</span><span id="no_recursive_cte_sql-473"><a href="#no_recursive_cte_sql-473"><span class="linenos">473</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">with_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
|
</span></pre></div>
|
|
|
|
|
|
|
|
|
|
</section>
|
|
<section id="no_safe_divide_sql">
|
|
<input id="no_safe_divide_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">no_safe_divide_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#SafeDivide">sqlglot.expressions.SafeDivide</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
|
|
|
<label class="view-source-button" for="no_safe_divide_sql-view-source"><span>View Source</span></label>
|
|
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|
</div>
|
|
<a class="headerlink" href="#no_safe_divide_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="no_safe_divide_sql-476"><a href="#no_safe_divide_sql-476"><span class="linenos">476</span></a><span class="k">def</span> <span class="nf">no_safe_divide_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">SafeDivide</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="no_safe_divide_sql-477"><a href="#no_safe_divide_sql-477"><span class="linenos">477</span></a> <span class="n">n</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span>
|
|
</span><span id="no_safe_divide_sql-478"><a href="#no_safe_divide_sql-478"><span class="linenos">478</span></a> <span class="n">d</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"expression"</span><span class="p">)</span>
|
|
</span><span id="no_safe_divide_sql-479"><a href="#no_safe_divide_sql-479"><span class="linenos">479</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IF(</span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2"> <> 0, </span><span class="si">{</span><span class="n">n</span><span class="si">}</span><span class="s2"> / </span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2">, NULL)"</span>
|
|
</span></pre></div>
|
|
|
|
|
|
|
|
|
|
</section>
|
|
<section id="no_tablesample_sql">
|
|
<input id="no_tablesample_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">no_tablesample_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#TableSample">sqlglot.expressions.TableSample</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
|
|
|
<label class="view-source-button" for="no_tablesample_sql-view-source"><span>View Source</span></label>
|
|
|
|
</div>
|
|
<a class="headerlink" href="#no_tablesample_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="no_tablesample_sql-482"><a href="#no_tablesample_sql-482"><span class="linenos">482</span></a><span class="k">def</span> <span class="nf">no_tablesample_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableSample</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="no_tablesample_sql-483"><a href="#no_tablesample_sql-483"><span class="linenos">483</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"TABLESAMPLE unsupported"</span><span class="p">)</span>
|
|
</span><span id="no_tablesample_sql-484"><a href="#no_tablesample_sql-484"><span class="linenos">484</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
|
</span></pre></div>
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</section>
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<section id="no_pivot_sql">
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<input id="no_pivot_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">no_pivot_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Pivot">sqlglot.expressions.Pivot</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="no_pivot_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#no_pivot_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="no_pivot_sql-487"><a href="#no_pivot_sql-487"><span class="linenos">487</span></a><span class="k">def</span> <span class="nf">no_pivot_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="no_pivot_sql-488"><a href="#no_pivot_sql-488"><span class="linenos">488</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"PIVOT unsupported"</span><span class="p">)</span>
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|
</span><span id="no_pivot_sql-489"><a href="#no_pivot_sql-489"><span class="linenos">489</span></a> <span class="k">return</span> <span class="s2">""</span>
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</span></pre></div>
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</section>
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<section id="no_trycast_sql">
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<input id="no_trycast_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">no_trycast_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#TryCast">sqlglot.expressions.TryCast</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="no_trycast_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#no_trycast_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="no_trycast_sql-492"><a href="#no_trycast_sql-492"><span class="linenos">492</span></a><span class="k">def</span> <span class="nf">no_trycast_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="no_trycast_sql-493"><a href="#no_trycast_sql-493"><span class="linenos">493</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">cast_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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</span></pre></div>
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</section>
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<section id="no_properties_sql">
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<input id="no_properties_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
|
|
<span class="name">no_properties_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Properties">sqlglot.expressions.Properties</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="no_properties_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#no_properties_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="no_properties_sql-496"><a href="#no_properties_sql-496"><span class="linenos">496</span></a><span class="k">def</span> <span class="nf">no_properties_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="no_properties_sql-497"><a href="#no_properties_sql-497"><span class="linenos">497</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Properties unsupported"</span><span class="p">)</span>
|
|
</span><span id="no_properties_sql-498"><a href="#no_properties_sql-498"><span class="linenos">498</span></a> <span class="k">return</span> <span class="s2">""</span>
|
|
</span></pre></div>
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</section>
|
|
<section id="no_comment_column_constraint_sql">
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|
<input id="no_comment_column_constraint_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
|
|
<span class="name">no_comment_column_constraint_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#CommentColumnConstraint">sqlglot.expressions.CommentColumnConstraint</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="no_comment_column_constraint_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#no_comment_column_constraint_sql"></a>
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|
<div class="pdoc-code codehilite"><pre><span></span><span id="no_comment_column_constraint_sql-501"><a href="#no_comment_column_constraint_sql-501"><span class="linenos">501</span></a><span class="k">def</span> <span class="nf">no_comment_column_constraint_sql</span><span class="p">(</span>
|
|
</span><span id="no_comment_column_constraint_sql-502"><a href="#no_comment_column_constraint_sql-502"><span class="linenos">502</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CommentColumnConstraint</span>
|
|
</span><span id="no_comment_column_constraint_sql-503"><a href="#no_comment_column_constraint_sql-503"><span class="linenos">503</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="no_comment_column_constraint_sql-504"><a href="#no_comment_column_constraint_sql-504"><span class="linenos">504</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"CommentColumnConstraint unsupported"</span><span class="p">)</span>
|
|
</span><span id="no_comment_column_constraint_sql-505"><a href="#no_comment_column_constraint_sql-505"><span class="linenos">505</span></a> <span class="k">return</span> <span class="s2">""</span>
|
|
</span></pre></div>
|
|
|
|
|
|
|
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|
</section>
|
|
<section id="no_map_from_entries_sql">
|
|
<input id="no_map_from_entries_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
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|
|
|
<span class="def">def</span>
|
|
<span class="name">no_map_from_entries_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#MapFromEntries">sqlglot.expressions.MapFromEntries</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
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|
<label class="view-source-button" for="no_map_from_entries_sql-view-source"><span>View Source</span></label>
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</div>
|
|
<a class="headerlink" href="#no_map_from_entries_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="no_map_from_entries_sql-508"><a href="#no_map_from_entries_sql-508"><span class="linenos">508</span></a><span class="k">def</span> <span class="nf">no_map_from_entries_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">MapFromEntries</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="no_map_from_entries_sql-509"><a href="#no_map_from_entries_sql-509"><span class="linenos">509</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"MAP_FROM_ENTRIES unsupported"</span><span class="p">)</span>
|
|
</span><span id="no_map_from_entries_sql-510"><a href="#no_map_from_entries_sql-510"><span class="linenos">510</span></a> <span class="k">return</span> <span class="s2">""</span>
|
|
</span></pre></div>
|
|
|
|
|
|
|
|
|
|
</section>
|
|
<section id="str_position_sql">
|
|
<input id="str_position_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">str_position_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#StrPosition">sqlglot.expressions.StrPosition</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
|
|
|
<label class="view-source-button" for="str_position_sql-view-source"><span>View Source</span></label>
|
|
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|
</div>
|
|
<a class="headerlink" href="#str_position_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="str_position_sql-513"><a href="#str_position_sql-513"><span class="linenos">513</span></a><span class="k">def</span> <span class="nf">str_position_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="str_position_sql-514"><a href="#str_position_sql-514"><span class="linenos">514</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span>
|
|
</span><span id="str_position_sql-515"><a href="#str_position_sql-515"><span class="linenos">515</span></a> <span class="n">substr</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"substr"</span><span class="p">)</span>
|
|
</span><span id="str_position_sql-516"><a href="#str_position_sql-516"><span class="linenos">516</span></a> <span class="n">position</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"position"</span><span class="p">)</span>
|
|
</span><span id="str_position_sql-517"><a href="#str_position_sql-517"><span class="linenos">517</span></a> <span class="k">if</span> <span class="n">position</span><span class="p">:</span>
|
|
</span><span id="str_position_sql-518"><a href="#str_position_sql-518"><span class="linenos">518</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"STRPOS(SUBSTR(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">position</span><span class="si">}</span><span class="s2">), </span><span class="si">{</span><span class="n">substr</span><span class="si">}</span><span class="s2">) + </span><span class="si">{</span><span class="n">position</span><span class="si">}</span><span class="s2"> - 1"</span>
|
|
</span><span id="str_position_sql-519"><a href="#str_position_sql-519"><span class="linenos">519</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"STRPOS(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">substr</span><span class="si">}</span><span class="s2">)"</span>
|
|
</span></pre></div>
|
|
|
|
|
|
|
|
|
|
</section>
|
|
<section id="struct_extract_sql">
|
|
<input id="struct_extract_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">struct_extract_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#StructExtract">sqlglot.expressions.StructExtract</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
|
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|
<label class="view-source-button" for="struct_extract_sql-view-source"><span>View Source</span></label>
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</div>
|
|
<a class="headerlink" href="#struct_extract_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="struct_extract_sql-522"><a href="#struct_extract_sql-522"><span class="linenos">522</span></a><span class="k">def</span> <span class="nf">struct_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StructExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="struct_extract_sql-523"><a href="#struct_extract_sql-523"><span class="linenos">523</span></a> <span class="k">return</span> <span class="p">(</span>
|
|
</span><span id="struct_extract_sql-524"><a href="#struct_extract_sql-524"><span class="linenos">524</span></a> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">name</span><span class="p">))</span><span class="si">}</span><span class="s2">"</span>
|
|
</span><span id="struct_extract_sql-525"><a href="#struct_extract_sql-525"><span class="linenos">525</span></a> <span class="p">)</span>
|
|
</span></pre></div>
|
|
|
|
|
|
|
|
|
|
</section>
|
|
<section id="var_map_sql">
|
|
<input id="var_map_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">var_map_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Map">sqlglot.expressions.Map</a></span> <span class="o">|</span> <span class="n"><a href="../expressions.html#VarMap">sqlglot.expressions.VarMap</a></span>,</span><span class="param"> <span class="n">map_func_name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s1">'MAP'</span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
|
|
|
<label class="view-source-button" for="var_map_sql-view-source"><span>View Source</span></label>
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</div>
|
|
<a class="headerlink" href="#var_map_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="var_map_sql-528"><a href="#var_map_sql-528"><span class="linenos">528</span></a><span class="k">def</span> <span class="nf">var_map_sql</span><span class="p">(</span>
|
|
</span><span id="var_map_sql-529"><a href="#var_map_sql-529"><span class="linenos">529</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Map</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">VarMap</span><span class="p">,</span> <span class="n">map_func_name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"MAP"</span>
|
|
</span><span id="var_map_sql-530"><a href="#var_map_sql-530"><span class="linenos">530</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="var_map_sql-531"><a href="#var_map_sql-531"><span class="linenos">531</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"keys"</span><span class="p">]</span>
|
|
</span><span id="var_map_sql-532"><a href="#var_map_sql-532"><span class="linenos">532</span></a> <span class="n">values</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"values"</span><span class="p">]</span>
|
|
</span><span id="var_map_sql-533"><a href="#var_map_sql-533"><span class="linenos">533</span></a>
|
|
</span><span id="var_map_sql-534"><a href="#var_map_sql-534"><span class="linenos">534</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">keys</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">values</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">):</span>
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</span><span id="var_map_sql-535"><a href="#var_map_sql-535"><span class="linenos">535</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Cannot convert array columns into map."</span><span class="p">)</span>
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</span><span id="var_map_sql-536"><a href="#var_map_sql-536"><span class="linenos">536</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">map_func_name</span><span class="p">,</span> <span class="n">keys</span><span class="p">,</span> <span class="n">values</span><span class="p">)</span>
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</span><span id="var_map_sql-537"><a href="#var_map_sql-537"><span class="linenos">537</span></a>
|
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</span><span id="var_map_sql-538"><a href="#var_map_sql-538"><span class="linenos">538</span></a> <span class="n">args</span> <span class="o">=</span> <span class="p">[]</span>
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</span><span id="var_map_sql-539"><a href="#var_map_sql-539"><span class="linenos">539</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">keys</span><span class="o">.</span><span class="n">expressions</span><span class="p">,</span> <span class="n">values</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span>
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</span><span id="var_map_sql-540"><a href="#var_map_sql-540"><span class="linenos">540</span></a> <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">key</span><span class="p">))</span>
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</span><span id="var_map_sql-541"><a href="#var_map_sql-541"><span class="linenos">541</span></a> <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">value</span><span class="p">))</span>
|
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</span><span id="var_map_sql-542"><a href="#var_map_sql-542"><span class="linenos">542</span></a>
|
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</span><span id="var_map_sql-543"><a href="#var_map_sql-543"><span class="linenos">543</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">map_func_name</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">)</span>
|
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</span></pre></div>
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</section>
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<section id="format_time_lambda">
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<input id="format_time_lambda-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">format_time_lambda</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">exp_class</span><span class="p">:</span> <span class="n">Type</span><span class="p">[</span><span class="o">~</span><span class="n">E</span><span class="p">]</span>,</span><span class="param"> <span class="n">dialect</span><span class="p">:</span> <span class="nb">str</span>,</span><span class="param"> <span class="n">default</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">bool</span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span></span><span class="return-annotation">) -> <span class="n">Callable</span><span class="p">[[</span><span class="n">List</span><span class="p">],</span> <span class="o">~</span><span class="n">E</span><span class="p">]</span>:</span></span>
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<label class="view-source-button" for="format_time_lambda-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#format_time_lambda"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="format_time_lambda-546"><a href="#format_time_lambda-546"><span class="linenos">546</span></a><span class="k">def</span> <span class="nf">format_time_lambda</span><span class="p">(</span>
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</span><span id="format_time_lambda-547"><a href="#format_time_lambda-547"><span class="linenos">547</span></a> <span class="n">exp_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> <span class="n">dialect</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">default</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">bool</span> <span class="o">|</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
|
</span><span id="format_time_lambda-548"><a href="#format_time_lambda-548"><span class="linenos">548</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span>
|
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</span><span id="format_time_lambda-549"><a href="#format_time_lambda-549"><span class="linenos">549</span></a><span class="w"> </span><span class="sd">"""Helper used for time expressions.</span>
|
|
</span><span id="format_time_lambda-550"><a href="#format_time_lambda-550"><span class="linenos">550</span></a>
|
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</span><span id="format_time_lambda-551"><a href="#format_time_lambda-551"><span class="linenos">551</span></a><span class="sd"> Args:</span>
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</span><span id="format_time_lambda-552"><a href="#format_time_lambda-552"><span class="linenos">552</span></a><span class="sd"> exp_class: the expression class to instantiate.</span>
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</span><span id="format_time_lambda-553"><a href="#format_time_lambda-553"><span class="linenos">553</span></a><span class="sd"> dialect: target sql dialect.</span>
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</span><span id="format_time_lambda-554"><a href="#format_time_lambda-554"><span class="linenos">554</span></a><span class="sd"> default: the default format, True being time.</span>
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</span><span id="format_time_lambda-555"><a href="#format_time_lambda-555"><span class="linenos">555</span></a>
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</span><span id="format_time_lambda-556"><a href="#format_time_lambda-556"><span class="linenos">556</span></a><span class="sd"> Returns:</span>
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</span><span id="format_time_lambda-557"><a href="#format_time_lambda-557"><span class="linenos">557</span></a><span class="sd"> A callable that can be used to return the appropriately formatted time expression.</span>
|
|
</span><span id="format_time_lambda-558"><a href="#format_time_lambda-558"><span class="linenos">558</span></a><span class="sd"> """</span>
|
|
</span><span id="format_time_lambda-559"><a href="#format_time_lambda-559"><span class="linenos">559</span></a>
|
|
</span><span id="format_time_lambda-560"><a href="#format_time_lambda-560"><span class="linenos">560</span></a> <span class="k">def</span> <span class="nf">_format_time</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">):</span>
|
|
</span><span id="format_time_lambda-561"><a href="#format_time_lambda-561"><span class="linenos">561</span></a> <span class="k">return</span> <span class="n">exp_class</span><span class="p">(</span>
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</span><span id="format_time_lambda-562"><a href="#format_time_lambda-562"><span class="linenos">562</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span>
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</span><span id="format_time_lambda-563"><a href="#format_time_lambda-563"><span class="linenos">563</span></a> <span class="nb">format</span><span class="o">=</span><span class="n">Dialect</span><span class="p">[</span><span class="n">dialect</span><span class="p">]</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span>
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</span><span id="format_time_lambda-564"><a href="#format_time_lambda-564"><span class="linenos">564</span></a> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
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</span><span id="format_time_lambda-565"><a href="#format_time_lambda-565"><span class="linenos">565</span></a> <span class="ow">or</span> <span class="p">(</span><span class="n">Dialect</span><span class="p">[</span><span class="n">dialect</span><span class="p">]</span><span class="o">.</span><span class="n">TIME_FORMAT</span> <span class="k">if</span> <span class="n">default</span> <span class="ow">is</span> <span class="kc">True</span> <span class="k">else</span> <span class="n">default</span> <span class="ow">or</span> <span class="kc">None</span><span class="p">)</span>
|
|
</span><span id="format_time_lambda-566"><a href="#format_time_lambda-566"><span class="linenos">566</span></a> <span class="p">),</span>
|
|
</span><span id="format_time_lambda-567"><a href="#format_time_lambda-567"><span class="linenos">567</span></a> <span class="p">)</span>
|
|
</span><span id="format_time_lambda-568"><a href="#format_time_lambda-568"><span class="linenos">568</span></a>
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</span><span id="format_time_lambda-569"><a href="#format_time_lambda-569"><span class="linenos">569</span></a> <span class="k">return</span> <span class="n">_format_time</span>
|
|
</span></pre></div>
|
|
|
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|
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<div class="docstring"><p>Helper used for time expressions.</p>
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|
<h6 id="arguments">Arguments:</h6>
|
|
|
|
<ul>
|
|
<li><strong>exp_class:</strong> the expression class to instantiate.</li>
|
|
<li><strong>dialect:</strong> target sql dialect.</li>
|
|
<li><strong>default:</strong> the default format, True being time.</li>
|
|
</ul>
|
|
|
|
<h6 id="returns">Returns:</h6>
|
|
|
|
<blockquote>
|
|
<p>A callable that can be used to return the appropriately formatted time expression.</p>
|
|
</blockquote>
|
|
</div>
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</section>
|
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<section id="time_format">
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<input id="time_format-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
|
|
|
|
<span class="def">def</span>
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<span class="name">time_format</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">dialect</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n"><a href="#Dialect">Dialect</a></span><span class="p">,</span> <span class="n">Type</span><span class="p">[</span><span class="n"><a href="#Dialect">Dialect</a></span><span class="p">],</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span></span><span class="return-annotation">) -> <span class="n">Callable</span><span class="p">[[</span><span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span><span class="p">,</span> <span class="n"><a href="../expressions.html#UnixToStr">sqlglot.expressions.UnixToStr</a></span> <span class="o">|</span> <span class="n"><a href="../expressions.html#StrToUnix">sqlglot.expressions.StrToUnix</a></span><span class="p">],</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span>:</span></span>
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<label class="view-source-button" for="time_format-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#time_format"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="time_format-572"><a href="#time_format-572"><span class="linenos">572</span></a><span class="k">def</span> <span class="nf">time_format</span><span class="p">(</span>
|
|
</span><span id="time_format-573"><a href="#time_format-573"><span class="linenos">573</span></a> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
|
|
</span><span id="time_format-574"><a href="#time_format-574"><span class="linenos">574</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">UnixToStr</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrToUnix</span><span class="p">],</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]]:</span>
|
|
</span><span id="time_format-575"><a href="#time_format-575"><span class="linenos">575</span></a> <span class="k">def</span> <span class="nf">_time_format</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">UnixToStr</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrToUnix</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span>
|
|
</span><span id="time_format-576"><a href="#time_format-576"><span class="linenos">576</span></a><span class="w"> </span><span class="sd">"""</span>
|
|
</span><span id="time_format-577"><a href="#time_format-577"><span class="linenos">577</span></a><span class="sd"> Returns the time format for a given expression, unless it's equivalent</span>
|
|
</span><span id="time_format-578"><a href="#time_format-578"><span class="linenos">578</span></a><span class="sd"> to the default time format of the dialect of interest.</span>
|
|
</span><span id="time_format-579"><a href="#time_format-579"><span class="linenos">579</span></a><span class="sd"> """</span>
|
|
</span><span id="time_format-580"><a href="#time_format-580"><span class="linenos">580</span></a> <span class="n">time_format</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
|
</span><span id="time_format-581"><a href="#time_format-581"><span class="linenos">581</span></a> <span class="k">return</span> <span class="n">time_format</span> <span class="k">if</span> <span class="n">time_format</span> <span class="o">!=</span> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span><span class="o">.</span><span class="n">TIME_FORMAT</span> <span class="k">else</span> <span class="kc">None</span>
|
|
</span><span id="time_format-582"><a href="#time_format-582"><span class="linenos">582</span></a>
|
|
</span><span id="time_format-583"><a href="#time_format-583"><span class="linenos">583</span></a> <span class="k">return</span> <span class="n">_time_format</span>
|
|
</span></pre></div>
|
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</section>
|
|
<section id="create_with_partitions_sql">
|
|
<input id="create_with_partitions_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">create_with_partitions_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Create">sqlglot.expressions.Create</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="create_with_partitions_sql-view-source"><span>View Source</span></label>
|
|
|
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</div>
|
|
<a class="headerlink" href="#create_with_partitions_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="create_with_partitions_sql-586"><a href="#create_with_partitions_sql-586"><span class="linenos">586</span></a><span class="k">def</span> <span class="nf">create_with_partitions_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Create</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="create_with_partitions_sql-587"><a href="#create_with_partitions_sql-587"><span class="linenos">587</span></a><span class="w"> </span><span class="sd">"""</span>
|
|
</span><span id="create_with_partitions_sql-588"><a href="#create_with_partitions_sql-588"><span class="linenos">588</span></a><span class="sd"> In Hive and Spark, the PARTITIONED BY property acts as an extension of a table's schema. When the</span>
|
|
</span><span id="create_with_partitions_sql-589"><a href="#create_with_partitions_sql-589"><span class="linenos">589</span></a><span class="sd"> PARTITIONED BY value is an array of column names, they are transformed into a schema. The corresponding</span>
|
|
</span><span id="create_with_partitions_sql-590"><a href="#create_with_partitions_sql-590"><span class="linenos">590</span></a><span class="sd"> columns are removed from the create statement.</span>
|
|
</span><span id="create_with_partitions_sql-591"><a href="#create_with_partitions_sql-591"><span class="linenos">591</span></a><span class="sd"> """</span>
|
|
</span><span id="create_with_partitions_sql-592"><a href="#create_with_partitions_sql-592"><span class="linenos">592</span></a> <span class="n">has_schema</span> <span class="o">=</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">)</span>
|
|
</span><span id="create_with_partitions_sql-593"><a href="#create_with_partitions_sql-593"><span class="linenos">593</span></a> <span class="n">is_partitionable</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"kind"</span><span class="p">)</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"TABLE"</span><span class="p">,</span> <span class="s2">"VIEW"</span><span class="p">)</span>
|
|
</span><span id="create_with_partitions_sql-594"><a href="#create_with_partitions_sql-594"><span class="linenos">594</span></a>
|
|
</span><span id="create_with_partitions_sql-595"><a href="#create_with_partitions_sql-595"><span class="linenos">595</span></a> <span class="k">if</span> <span class="n">has_schema</span> <span class="ow">and</span> <span class="n">is_partitionable</span><span class="p">:</span>
|
|
</span><span id="create_with_partitions_sql-596"><a href="#create_with_partitions_sql-596"><span class="linenos">596</span></a> <span class="n">prop</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PartitionedByProperty</span><span class="p">)</span>
|
|
</span><span id="create_with_partitions_sql-597"><a href="#create_with_partitions_sql-597"><span class="linenos">597</span></a> <span class="k">if</span> <span class="n">prop</span> <span class="ow">and</span> <span class="n">prop</span><span class="o">.</span><span class="n">this</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">prop</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">):</span>
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</span><span id="create_with_partitions_sql-598"><a href="#create_with_partitions_sql-598"><span class="linenos">598</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
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</span><span id="create_with_partitions_sql-599"><a href="#create_with_partitions_sql-599"><span class="linenos">599</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">v</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="k">for</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">prop</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">}</span>
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</span><span id="create_with_partitions_sql-600"><a href="#create_with_partitions_sql-600"><span class="linenos">600</span></a> <span class="n">partitions</span> <span class="o">=</span> <span class="p">[</span><span class="n">col</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">]</span>
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</span><span id="create_with_partitions_sql-601"><a href="#create_with_partitions_sql-601"><span class="linenos">601</span></a> <span class="n">schema</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">e</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">e</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">partitions</span><span class="p">])</span>
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</span><span id="create_with_partitions_sql-602"><a href="#create_with_partitions_sql-602"><span class="linenos">602</span></a> <span class="n">prop</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PartitionedByProperty</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">partitions</span><span class="p">)))</span>
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</span><span id="create_with_partitions_sql-603"><a href="#create_with_partitions_sql-603"><span class="linenos">603</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">schema</span><span class="p">)</span>
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</span><span id="create_with_partitions_sql-604"><a href="#create_with_partitions_sql-604"><span class="linenos">604</span></a>
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</span><span id="create_with_partitions_sql-605"><a href="#create_with_partitions_sql-605"><span class="linenos">605</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">create_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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</span></pre></div>
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<div class="docstring"><p>In Hive and Spark, the PARTITIONED BY property acts as an extension of a table's schema. When the
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PARTITIONED BY value is an array of column names, they are transformed into a schema. The corresponding
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columns are removed from the create statement.</p>
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</div>
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</section>
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<section id="parse_date_delta">
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<input id="parse_date_delta-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">parse_date_delta</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">exp_class</span><span class="p">:</span> <span class="n">Type</span><span class="p">[</span><span class="o">~</span><span class="n">E</span><span class="p">]</span>,</span><span class="param"> <span class="n">unit_mapping</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span></span><span class="return-annotation">) -> <span class="n">Callable</span><span class="p">[[</span><span class="n">List</span><span class="p">],</span> <span class="o">~</span><span class="n">E</span><span class="p">]</span>:</span></span>
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<label class="view-source-button" for="parse_date_delta-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#parse_date_delta"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="parse_date_delta-608"><a href="#parse_date_delta-608"><span class="linenos">608</span></a><span class="k">def</span> <span class="nf">parse_date_delta</span><span class="p">(</span>
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</span><span id="parse_date_delta-609"><a href="#parse_date_delta-609"><span class="linenos">609</span></a> <span class="n">exp_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> <span class="n">unit_mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span>
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</span><span id="parse_date_delta-610"><a href="#parse_date_delta-610"><span class="linenos">610</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span>
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</span><span id="parse_date_delta-611"><a href="#parse_date_delta-611"><span class="linenos">611</span></a> <span class="k">def</span> <span class="nf">inner_func</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span>
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</span><span id="parse_date_delta-612"><a href="#parse_date_delta-612"><span class="linenos">612</span></a> <span class="n">unit_based</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o">==</span> <span class="mi">3</span>
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</span><span id="parse_date_delta-613"><a href="#parse_date_delta-613"><span class="linenos">613</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
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</span><span id="parse_date_delta-614"><a href="#parse_date_delta-614"><span class="linenos">614</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="s2">"DAY"</span><span class="p">)</span>
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</span><span id="parse_date_delta-615"><a href="#parse_date_delta-615"><span class="linenos">615</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="n">unit_mapping</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">unit</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">(),</span> <span class="n">unit</span><span class="o">.</span><span class="n">name</span><span class="p">))</span> <span class="k">if</span> <span class="n">unit_mapping</span> <span class="k">else</span> <span class="n">unit</span>
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</span><span id="parse_date_delta-616"><a href="#parse_date_delta-616"><span class="linenos">616</span></a> <span class="k">return</span> <span class="n">exp_class</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">)</span>
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</span><span id="parse_date_delta-617"><a href="#parse_date_delta-617"><span class="linenos">617</span></a>
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</span><span id="parse_date_delta-618"><a href="#parse_date_delta-618"><span class="linenos">618</span></a> <span class="k">return</span> <span class="n">inner_func</span>
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</span></pre></div>
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</section>
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<section id="parse_date_delta_with_interval">
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<input id="parse_date_delta_with_interval-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">parse_date_delta_with_interval</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">expression_class</span><span class="p">:</span> <span class="n">Type</span><span class="p">[</span><span class="o">~</span><span class="n">E</span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n">Callable</span><span class="p">[[</span><span class="n">List</span><span class="p">],</span> <span class="n">Optional</span><span class="p">[</span><span class="o">~</span><span class="n">E</span><span class="p">]]</span>:</span></span>
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<label class="view-source-button" for="parse_date_delta_with_interval-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#parse_date_delta_with_interval"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="parse_date_delta_with_interval-621"><a href="#parse_date_delta_with_interval-621"><span class="linenos">621</span></a><span class="k">def</span> <span class="nf">parse_date_delta_with_interval</span><span class="p">(</span>
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</span><span id="parse_date_delta_with_interval-622"><a href="#parse_date_delta_with_interval-622"><span class="linenos">622</span></a> <span class="n">expression_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span>
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</span><span id="parse_date_delta_with_interval-623"><a href="#parse_date_delta_with_interval-623"><span class="linenos">623</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">E</span><span class="p">]]:</span>
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</span><span id="parse_date_delta_with_interval-624"><a href="#parse_date_delta_with_interval-624"><span class="linenos">624</span></a> <span class="k">def</span> <span class="nf">func</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">E</span><span class="p">]:</span>
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</span><span id="parse_date_delta_with_interval-625"><a href="#parse_date_delta_with_interval-625"><span class="linenos">625</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o"><</span> <span class="mi">2</span><span class="p">:</span>
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</span><span id="parse_date_delta_with_interval-626"><a href="#parse_date_delta_with_interval-626"><span class="linenos">626</span></a> <span class="k">return</span> <span class="kc">None</span>
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</span><span id="parse_date_delta_with_interval-627"><a href="#parse_date_delta_with_interval-627"><span class="linenos">627</span></a>
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</span><span id="parse_date_delta_with_interval-628"><a href="#parse_date_delta_with_interval-628"><span class="linenos">628</span></a> <span class="n">interval</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
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</span><span id="parse_date_delta_with_interval-629"><a href="#parse_date_delta_with_interval-629"><span class="linenos">629</span></a>
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</span><span id="parse_date_delta_with_interval-630"><a href="#parse_date_delta_with_interval-630"><span class="linenos">630</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">interval</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Interval</span><span class="p">):</span>
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</span><span id="parse_date_delta_with_interval-631"><a href="#parse_date_delta_with_interval-631"><span class="linenos">631</span></a> <span class="k">raise</span> <span class="n">ParseError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"INTERVAL expression expected but got '</span><span class="si">{</span><span class="n">interval</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span>
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</span><span id="parse_date_delta_with_interval-632"><a href="#parse_date_delta_with_interval-632"><span class="linenos">632</span></a>
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</span><span id="parse_date_delta_with_interval-633"><a href="#parse_date_delta_with_interval-633"><span class="linenos">633</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">interval</span><span class="o">.</span><span class="n">this</span>
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</span><span id="parse_date_delta_with_interval-634"><a href="#parse_date_delta_with_interval-634"><span class="linenos">634</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span>
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</span><span id="parse_date_delta_with_interval-635"><a href="#parse_date_delta_with_interval-635"><span class="linenos">635</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
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</span><span id="parse_date_delta_with_interval-636"><a href="#parse_date_delta_with_interval-636"><span class="linenos">636</span></a>
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</span><span id="parse_date_delta_with_interval-637"><a href="#parse_date_delta_with_interval-637"><span class="linenos">637</span></a> <span class="k">return</span> <span class="n">expression_class</span><span class="p">(</span>
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</span><span id="parse_date_delta_with_interval-638"><a href="#parse_date_delta_with_interval-638"><span class="linenos">638</span></a> <span class="n">this</span><span class="o">=</span><span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="p">,</span> <span class="n">unit</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">interval</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">))</span>
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</span><span id="parse_date_delta_with_interval-639"><a href="#parse_date_delta_with_interval-639"><span class="linenos">639</span></a> <span class="p">)</span>
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</span><span id="parse_date_delta_with_interval-640"><a href="#parse_date_delta_with_interval-640"><span class="linenos">640</span></a>
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</span><span id="parse_date_delta_with_interval-641"><a href="#parse_date_delta_with_interval-641"><span class="linenos">641</span></a> <span class="k">return</span> <span class="n">func</span>
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</span></pre></div>
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</section>
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<section id="date_trunc_to_time">
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<input id="date_trunc_to_time-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">date_trunc_to_time</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">args</span><span class="p">:</span> <span class="n">List</span></span><span class="return-annotation">) -> <span class="n"><a href="../expressions.html#DateTrunc">sqlglot.expressions.DateTrunc</a></span> <span class="o">|</span> <span class="n"><a href="../expressions.html#TimestampTrunc">sqlglot.expressions.TimestampTrunc</a></span>:</span></span>
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<label class="view-source-button" for="date_trunc_to_time-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#date_trunc_to_time"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="date_trunc_to_time-644"><a href="#date_trunc_to_time-644"><span class="linenos">644</span></a><span class="k">def</span> <span class="nf">date_trunc_to_time</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">:</span>
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</span><span id="date_trunc_to_time-645"><a href="#date_trunc_to_time-645"><span class="linenos">645</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
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</span><span id="date_trunc_to_time-646"><a href="#date_trunc_to_time-646"><span class="linenos">646</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
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</span><span id="date_trunc_to_time-647"><a href="#date_trunc_to_time-647"><span class="linenos">647</span></a>
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</span><span id="date_trunc_to_time-648"><a href="#date_trunc_to_time-648"><span class="linenos">648</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"date"</span><span class="p">):</span>
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</span><span id="date_trunc_to_time-649"><a href="#date_trunc_to_time-649"><span class="linenos">649</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span><span class="p">(</span><span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">)</span>
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</span><span id="date_trunc_to_time-650"><a href="#date_trunc_to_time-650"><span class="linenos">650</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">)</span>
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</span></pre></div>
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</section>
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<section id="date_add_interval_sql">
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<input id="date_add_interval_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">date_add_interval_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">data_type</span><span class="p">:</span> <span class="nb">str</span>,</span><span class="param"> <span class="n">kind</span><span class="p">:</span> <span class="nb">str</span></span><span class="return-annotation">) -> <span class="n">Callable</span><span class="p">[[</span><span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">],</span> <span class="nb">str</span><span class="p">]</span>:</span></span>
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<label class="view-source-button" for="date_add_interval_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#date_add_interval_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="date_add_interval_sql-653"><a href="#date_add_interval_sql-653"><span class="linenos">653</span></a><span class="k">def</span> <span class="nf">date_add_interval_sql</span><span class="p">(</span>
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</span><span id="date_add_interval_sql-654"><a href="#date_add_interval_sql-654"><span class="linenos">654</span></a> <span class="n">data_type</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">kind</span><span class="p">:</span> <span class="nb">str</span>
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</span><span id="date_add_interval_sql-655"><a href="#date_add_interval_sql-655"><span class="linenos">655</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
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</span><span id="date_add_interval_sql-656"><a href="#date_add_interval_sql-656"><span class="linenos">656</span></a> <span class="k">def</span> <span class="nf">func</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="date_add_interval_sql-657"><a href="#date_add_interval_sql-657"><span class="linenos">657</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span>
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</span><span id="date_add_interval_sql-658"><a href="#date_add_interval_sql-658"><span class="linenos">658</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span>
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</span><span id="date_add_interval_sql-659"><a href="#date_add_interval_sql-659"><span class="linenos">659</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="n">unit</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="k">if</span> <span class="n">unit</span> <span class="k">else</span> <span class="s2">"DAY"</span><span class="p">)</span>
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</span><span id="date_add_interval_sql-660"><a href="#date_add_interval_sql-660"><span class="linenos">660</span></a> <span class="n">interval</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Interval</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">)</span>
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</span><span id="date_add_interval_sql-661"><a href="#date_add_interval_sql-661"><span class="linenos">661</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">data_type</span><span class="si">}</span><span class="s2">_</span><span class="si">{</span><span class="n">kind</span><span class="si">}</span><span class="s2">(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">interval</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span>
|
|
</span><span id="date_add_interval_sql-662"><a href="#date_add_interval_sql-662"><span class="linenos">662</span></a>
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</span><span id="date_add_interval_sql-663"><a href="#date_add_interval_sql-663"><span class="linenos">663</span></a> <span class="k">return</span> <span class="n">func</span>
|
|
</span></pre></div>
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</section>
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<section id="timestamptrunc_sql">
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<input id="timestamptrunc_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">timestamptrunc_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#TimestampTrunc">sqlglot.expressions.TimestampTrunc</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="timestamptrunc_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#timestamptrunc_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="timestamptrunc_sql-666"><a href="#timestamptrunc_sql-666"><span class="linenos">666</span></a><span class="k">def</span> <span class="nf">timestamptrunc_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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|
</span><span id="timestamptrunc_sql-667"><a href="#timestamptrunc_sql-667"><span class="linenos">667</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
|
|
</span><span id="timestamptrunc_sql-668"><a href="#timestamptrunc_sql-668"><span class="linenos">668</span></a> <span class="s2">"DATE_TRUNC"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"day"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
|
|
</span><span id="timestamptrunc_sql-669"><a href="#timestamptrunc_sql-669"><span class="linenos">669</span></a> <span class="p">)</span>
|
|
</span></pre></div>
|
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</section>
|
|
<section id="no_timestamp_sql">
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|
<input id="no_timestamp_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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|
|
|
<span class="def">def</span>
|
|
<span class="name">no_timestamp_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Timestamp">sqlglot.expressions.Timestamp</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="no_timestamp_sql-view-source"><span>View Source</span></label>
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</div>
|
|
<a class="headerlink" href="#no_timestamp_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="no_timestamp_sql-672"><a href="#no_timestamp_sql-672"><span class="linenos">672</span></a><span class="k">def</span> <span class="nf">no_timestamp_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Timestamp</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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|
</span><span id="no_timestamp_sql-673"><a href="#no_timestamp_sql-673"><span class="linenos">673</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">:</span>
|
|
</span><span id="no_timestamp_sql-674"><a href="#no_timestamp_sql-674"><span class="linenos">674</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">))</span>
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|
</span><span id="no_timestamp_sql-675"><a href="#no_timestamp_sql-675"><span class="linenos">675</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"expression"</span><span class="p">)</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="ow">in</span> <span class="n">TIMEZONES</span><span class="p">:</span>
|
|
</span><span id="no_timestamp_sql-676"><a href="#no_timestamp_sql-676"><span class="linenos">676</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span>
|
|
</span><span id="no_timestamp_sql-677"><a href="#no_timestamp_sql-677"><span class="linenos">677</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">AtTimeZone</span><span class="p">(</span>
|
|
</span><span id="no_timestamp_sql-678"><a href="#no_timestamp_sql-678"><span class="linenos">678</span></a> <span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">),</span>
|
|
</span><span id="no_timestamp_sql-679"><a href="#no_timestamp_sql-679"><span class="linenos">679</span></a> <span class="n">zone</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span>
|
|
</span><span id="no_timestamp_sql-680"><a href="#no_timestamp_sql-680"><span class="linenos">680</span></a> <span class="p">)</span>
|
|
</span><span id="no_timestamp_sql-681"><a href="#no_timestamp_sql-681"><span class="linenos">681</span></a> <span class="p">)</span>
|
|
</span><span id="no_timestamp_sql-682"><a href="#no_timestamp_sql-682"><span class="linenos">682</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">function_fallback_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
|
</span></pre></div>
|
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</section>
|
|
<section id="locate_to_strposition">
|
|
<input id="locate_to_strposition-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">locate_to_strposition</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">args</span><span class="p">:</span> <span class="n">List</span></span><span class="return-annotation">) -> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span>:</span></span>
|
|
|
|
<label class="view-source-button" for="locate_to_strposition-view-source"><span>View Source</span></label>
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</div>
|
|
<a class="headerlink" href="#locate_to_strposition"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="locate_to_strposition-685"><a href="#locate_to_strposition-685"><span class="linenos">685</span></a><span class="k">def</span> <span class="nf">locate_to_strposition</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
|
</span><span id="locate_to_strposition-686"><a href="#locate_to_strposition-686"><span class="linenos">686</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">(</span>
|
|
</span><span id="locate_to_strposition-687"><a href="#locate_to_strposition-687"><span class="linenos">687</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">substr</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">position</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span>
|
|
</span><span id="locate_to_strposition-688"><a href="#locate_to_strposition-688"><span class="linenos">688</span></a> <span class="p">)</span>
|
|
</span></pre></div>
|
|
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|
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</section>
|
|
<section id="strposition_to_locate_sql">
|
|
<input id="strposition_to_locate_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">strposition_to_locate_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#StrPosition">sqlglot.expressions.StrPosition</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
|
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|
<label class="view-source-button" for="strposition_to_locate_sql-view-source"><span>View Source</span></label>
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</div>
|
|
<a class="headerlink" href="#strposition_to_locate_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="strposition_to_locate_sql-691"><a href="#strposition_to_locate_sql-691"><span class="linenos">691</span></a><span class="k">def</span> <span class="nf">strposition_to_locate_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="strposition_to_locate_sql-692"><a href="#strposition_to_locate_sql-692"><span class="linenos">692</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
|
|
</span><span id="strposition_to_locate_sql-693"><a href="#strposition_to_locate_sql-693"><span class="linenos">693</span></a> <span class="s2">"LOCATE"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"substr"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"position"</span><span class="p">)</span>
|
|
</span><span id="strposition_to_locate_sql-694"><a href="#strposition_to_locate_sql-694"><span class="linenos">694</span></a> <span class="p">)</span>
|
|
</span></pre></div>
|
|
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|
|
|
|
|
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|
</section>
|
|
<section id="left_to_substring_sql">
|
|
<input id="left_to_substring_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">left_to_substring_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Left">sqlglot.expressions.Left</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
|
|
|
<label class="view-source-button" for="left_to_substring_sql-view-source"><span>View Source</span></label>
|
|
|
|
</div>
|
|
<a class="headerlink" href="#left_to_substring_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="left_to_substring_sql-697"><a href="#left_to_substring_sql-697"><span class="linenos">697</span></a><span class="k">def</span> <span class="nf">left_to_substring_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Left</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="left_to_substring_sql-698"><a href="#left_to_substring_sql-698"><span class="linenos">698</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span>
|
|
</span><span id="left_to_substring_sql-699"><a href="#left_to_substring_sql-699"><span class="linenos">699</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">(</span>
|
|
</span><span id="left_to_substring_sql-700"><a href="#left_to_substring_sql-700"><span class="linenos">700</span></a> <span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">1</span><span class="p">),</span> <span class="n">length</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span>
|
|
</span><span id="left_to_substring_sql-701"><a href="#left_to_substring_sql-701"><span class="linenos">701</span></a> <span class="p">)</span>
|
|
</span><span id="left_to_substring_sql-702"><a href="#left_to_substring_sql-702"><span class="linenos">702</span></a> <span class="p">)</span>
|
|
</span></pre></div>
|
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</section>
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<section id="right_to_substring_sql">
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|
<input id="right_to_substring_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
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|
<span class="def">def</span>
|
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<span class="name">right_to_substring_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Left">sqlglot.expressions.Left</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="right_to_substring_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#right_to_substring_sql"></a>
|
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<div class="pdoc-code codehilite"><pre><span></span><span id="right_to_substring_sql-705"><a href="#right_to_substring_sql-705"><span class="linenos">705</span></a><span class="k">def</span> <span class="nf">right_to_substring_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Left</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="right_to_substring_sql-706"><a href="#right_to_substring_sql-706"><span class="linenos">706</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span>
|
|
</span><span id="right_to_substring_sql-707"><a href="#right_to_substring_sql-707"><span class="linenos">707</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">(</span>
|
|
</span><span id="right_to_substring_sql-708"><a href="#right_to_substring_sql-708"><span class="linenos">708</span></a> <span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span>
|
|
</span><span id="right_to_substring_sql-709"><a href="#right_to_substring_sql-709"><span class="linenos">709</span></a> <span class="n">start</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Length</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> <span class="o">-</span> <span class="n">exp</span><span class="o">.</span><span class="n">paren</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span> <span class="o">-</span> <span class="mi">1</span><span class="p">),</span>
|
|
</span><span id="right_to_substring_sql-710"><a href="#right_to_substring_sql-710"><span class="linenos">710</span></a> <span class="p">)</span>
|
|
</span><span id="right_to_substring_sql-711"><a href="#right_to_substring_sql-711"><span class="linenos">711</span></a> <span class="p">)</span>
|
|
</span></pre></div>
|
|
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|
|
|
|
|
</section>
|
|
<section id="timestrtotime_sql">
|
|
<input id="timestrtotime_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">timestrtotime_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#TimeStrToTime">sqlglot.expressions.TimeStrToTime</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
|
|
|
<label class="view-source-button" for="timestrtotime_sql-view-source"><span>View Source</span></label>
|
|
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|
</div>
|
|
<a class="headerlink" href="#timestrtotime_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="timestrtotime_sql-714"><a href="#timestrtotime_sql-714"><span class="linenos">714</span></a><span class="k">def</span> <span class="nf">timestrtotime_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimeStrToTime</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="timestrtotime_sql-715"><a href="#timestrtotime_sql-715"><span class="linenos">715</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="s2">"timestamp"</span><span class="p">))</span>
|
|
</span></pre></div>
|
|
|
|
|
|
|
|
|
|
</section>
|
|
<section id="datestrtodate_sql">
|
|
<input id="datestrtodate_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">datestrtodate_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#DateStrToDate">sqlglot.expressions.DateStrToDate</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
|
|
|
<label class="view-source-button" for="datestrtodate_sql-view-source"><span>View Source</span></label>
|
|
|
|
</div>
|
|
<a class="headerlink" href="#datestrtodate_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="datestrtodate_sql-718"><a href="#datestrtodate_sql-718"><span class="linenos">718</span></a><span class="k">def</span> <span class="nf">datestrtodate_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateStrToDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="datestrtodate_sql-719"><a href="#datestrtodate_sql-719"><span class="linenos">719</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="s2">"date"</span><span class="p">))</span>
|
|
</span></pre></div>
|
|
|
|
|
|
|
|
|
|
</section>
|
|
<section id="encode_decode_sql">
|
|
<input id="encode_decode_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">encode_decode_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span>,</span><span class="param"> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span>,</span><span class="param"> <span class="n">replace</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
|
|
|
<label class="view-source-button" for="encode_decode_sql-view-source"><span>View Source</span></label>
|
|
|
|
</div>
|
|
<a class="headerlink" href="#encode_decode_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="encode_decode_sql-723"><a href="#encode_decode_sql-723"><span class="linenos">723</span></a><span class="k">def</span> <span class="nf">encode_decode_sql</span><span class="p">(</span>
|
|
</span><span id="encode_decode_sql-724"><a href="#encode_decode_sql-724"><span class="linenos">724</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">replace</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span>
|
|
</span><span id="encode_decode_sql-725"><a href="#encode_decode_sql-725"><span class="linenos">725</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="encode_decode_sql-726"><a href="#encode_decode_sql-726"><span class="linenos">726</span></a> <span class="n">charset</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"charset"</span><span class="p">)</span>
|
|
</span><span id="encode_decode_sql-727"><a href="#encode_decode_sql-727"><span class="linenos">727</span></a> <span class="k">if</span> <span class="n">charset</span> <span class="ow">and</span> <span class="n">charset</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="o">!=</span> <span class="s2">"utf-8"</span><span class="p">:</span>
|
|
</span><span id="encode_decode_sql-728"><a href="#encode_decode_sql-728"><span class="linenos">728</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Expected utf-8 character set, got </span><span class="si">{</span><span class="n">charset</span><span class="si">}</span><span class="s2">."</span><span class="p">)</span>
|
|
</span><span id="encode_decode_sql-729"><a href="#encode_decode_sql-729"><span class="linenos">729</span></a>
|
|
</span><span id="encode_decode_sql-730"><a href="#encode_decode_sql-730"><span class="linenos">730</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"replace"</span><span class="p">)</span> <span class="k">if</span> <span class="n">replace</span> <span class="k">else</span> <span class="kc">None</span><span class="p">)</span>
|
|
</span></pre></div>
|
|
|
|
|
|
|
|
|
|
</section>
|
|
<section id="min_or_least">
|
|
<input id="min_or_least-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">min_or_least</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Min">sqlglot.expressions.Min</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
|
|
|
<label class="view-source-button" for="min_or_least-view-source"><span>View Source</span></label>
|
|
|
|
</div>
|
|
<a class="headerlink" href="#min_or_least"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="min_or_least-733"><a href="#min_or_least-733"><span class="linenos">733</span></a><span class="k">def</span> <span class="nf">min_or_least</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Min</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="min_or_least-734"><a href="#min_or_least-734"><span class="linenos">734</span></a> <span class="n">name</span> <span class="o">=</span> <span class="s2">"LEAST"</span> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> <span class="k">else</span> <span class="s2">"MIN"</span>
|
|
</span><span id="min_or_least-735"><a href="#min_or_least-735"><span class="linenos">735</span></a> <span class="k">return</span> <span class="n">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">)(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span>
|
|
</span></pre></div>
|
|
|
|
|
|
|
|
|
|
</section>
|
|
<section id="max_or_greatest">
|
|
<input id="max_or_greatest-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">max_or_greatest</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Max">sqlglot.expressions.Max</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
|
|
|
<label class="view-source-button" for="max_or_greatest-view-source"><span>View Source</span></label>
|
|
|
|
</div>
|
|
<a class="headerlink" href="#max_or_greatest"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="max_or_greatest-738"><a href="#max_or_greatest-738"><span class="linenos">738</span></a><span class="k">def</span> <span class="nf">max_or_greatest</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="max_or_greatest-739"><a href="#max_or_greatest-739"><span class="linenos">739</span></a> <span class="n">name</span> <span class="o">=</span> <span class="s2">"GREATEST"</span> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> <span class="k">else</span> <span class="s2">"MAX"</span>
|
|
</span><span id="max_or_greatest-740"><a href="#max_or_greatest-740"><span class="linenos">740</span></a> <span class="k">return</span> <span class="n">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">)(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span>
|
|
</span></pre></div>
|
|
|
|
|
|
|
|
|
|
</section>
|
|
<section id="count_if_to_sum">
|
|
<input id="count_if_to_sum-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">count_if_to_sum</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#CountIf">sqlglot.expressions.CountIf</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
|
|
|
<label class="view-source-button" for="count_if_to_sum-view-source"><span>View Source</span></label>
|
|
|
|
</div>
|
|
<a class="headerlink" href="#count_if_to_sum"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="count_if_to_sum-743"><a href="#count_if_to_sum-743"><span class="linenos">743</span></a><span class="k">def</span> <span class="nf">count_if_to_sum</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CountIf</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="count_if_to_sum-744"><a href="#count_if_to_sum-744"><span class="linenos">744</span></a> <span class="n">cond</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
|
|
</span><span id="count_if_to_sum-745"><a href="#count_if_to_sum-745"><span class="linenos">745</span></a>
|
|
</span><span id="count_if_to_sum-746"><a href="#count_if_to_sum-746"><span class="linenos">746</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Distinct</span><span class="p">):</span>
|
|
</span><span id="count_if_to_sum-747"><a href="#count_if_to_sum-747"><span class="linenos">747</span></a> <span class="n">cond</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
|
</span><span id="count_if_to_sum-748"><a href="#count_if_to_sum-748"><span class="linenos">748</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"DISTINCT is not supported when converting COUNT_IF to SUM"</span><span class="p">)</span>
|
|
</span><span id="count_if_to_sum-749"><a href="#count_if_to_sum-749"><span class="linenos">749</span></a>
|
|
</span><span id="count_if_to_sum-750"><a href="#count_if_to_sum-750"><span class="linenos">750</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"sum"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"if"</span><span class="p">,</span> <span class="n">cond</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span>
|
|
</span></pre></div>
|
|
|
|
|
|
|
|
|
|
</section>
|
|
<section id="trim_sql">
|
|
<input id="trim_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">trim_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Trim">sqlglot.expressions.Trim</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
|
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<label class="view-source-button" for="trim_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#trim_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="trim_sql-753"><a href="#trim_sql-753"><span class="linenos">753</span></a><span class="k">def</span> <span class="nf">trim_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Trim</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="trim_sql-754"><a href="#trim_sql-754"><span class="linenos">754</span></a> <span class="n">target</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span>
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</span><span id="trim_sql-755"><a href="#trim_sql-755"><span class="linenos">755</span></a> <span class="n">trim_type</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"position"</span><span class="p">)</span>
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</span><span id="trim_sql-756"><a href="#trim_sql-756"><span class="linenos">756</span></a> <span class="n">remove_chars</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"expression"</span><span class="p">)</span>
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</span><span id="trim_sql-757"><a href="#trim_sql-757"><span class="linenos">757</span></a> <span class="n">collation</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"collation"</span><span class="p">)</span>
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</span><span id="trim_sql-758"><a href="#trim_sql-758"><span class="linenos">758</span></a>
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</span><span id="trim_sql-759"><a href="#trim_sql-759"><span class="linenos">759</span></a> <span class="c1"># Use TRIM/LTRIM/RTRIM syntax if the expression isn't database-specific</span>
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</span><span id="trim_sql-760"><a href="#trim_sql-760"><span class="linenos">760</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">remove_chars</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">collation</span><span class="p">:</span>
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</span><span id="trim_sql-761"><a href="#trim_sql-761"><span class="linenos">761</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">trim_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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</span><span id="trim_sql-762"><a href="#trim_sql-762"><span class="linenos">762</span></a>
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</span><span id="trim_sql-763"><a href="#trim_sql-763"><span class="linenos">763</span></a> <span class="n">trim_type</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">trim_type</span><span class="si">}</span><span class="s2"> "</span> <span class="k">if</span> <span class="n">trim_type</span> <span class="k">else</span> <span class="s2">""</span>
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</span><span id="trim_sql-764"><a href="#trim_sql-764"><span class="linenos">764</span></a> <span class="n">remove_chars</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">remove_chars</span><span class="si">}</span><span class="s2"> "</span> <span class="k">if</span> <span class="n">remove_chars</span> <span class="k">else</span> <span class="s2">""</span>
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</span><span id="trim_sql-765"><a href="#trim_sql-765"><span class="linenos">765</span></a> <span class="n">from_part</span> <span class="o">=</span> <span class="s2">"FROM "</span> <span class="k">if</span> <span class="n">trim_type</span> <span class="ow">or</span> <span class="n">remove_chars</span> <span class="k">else</span> <span class="s2">""</span>
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</span><span id="trim_sql-766"><a href="#trim_sql-766"><span class="linenos">766</span></a> <span class="n">collation</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">" COLLATE </span><span class="si">{</span><span class="n">collation</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">collation</span> <span class="k">else</span> <span class="s2">""</span>
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</span><span id="trim_sql-767"><a href="#trim_sql-767"><span class="linenos">767</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"TRIM(</span><span class="si">{</span><span class="n">trim_type</span><span class="si">}{</span><span class="n">remove_chars</span><span class="si">}{</span><span class="n">from_part</span><span class="si">}{</span><span class="n">target</span><span class="si">}{</span><span class="n">collation</span><span class="si">}</span><span class="s2">)"</span>
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</span></pre></div>
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</section>
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<section id="str_to_time_sql">
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<input id="str_to_time_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">str_to_time_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="str_to_time_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#str_to_time_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="str_to_time_sql-770"><a href="#str_to_time_sql-770"><span class="linenos">770</span></a><span class="k">def</span> <span class="nf">str_to_time_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="str_to_time_sql-771"><a href="#str_to_time_sql-771"><span class="linenos">771</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"STRPTIME"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span>
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</span></pre></div>
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</section>
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<section id="ts_or_ds_to_date_sql">
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<input id="ts_or_ds_to_date_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">ts_or_ds_to_date_sql</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">dialect</span><span class="p">:</span> <span class="nb">str</span></span><span class="return-annotation">) -> <span class="n">Callable</span>:</span></span>
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<label class="view-source-button" for="ts_or_ds_to_date_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#ts_or_ds_to_date_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="ts_or_ds_to_date_sql-774"><a href="#ts_or_ds_to_date_sql-774"><span class="linenos">774</span></a><span class="k">def</span> <span class="nf">ts_or_ds_to_date_sql</span><span class="p">(</span><span class="n">dialect</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">:</span>
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</span><span id="ts_or_ds_to_date_sql-775"><a href="#ts_or_ds_to_date_sql-775"><span class="linenos">775</span></a> <span class="k">def</span> <span class="nf">_ts_or_ds_to_date_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsToDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="ts_or_ds_to_date_sql-776"><a href="#ts_or_ds_to_date_sql-776"><span class="linenos">776</span></a> <span class="n">_dialect</span> <span class="o">=</span> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span>
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</span><span id="ts_or_ds_to_date_sql-777"><a href="#ts_or_ds_to_date_sql-777"><span class="linenos">777</span></a> <span class="n">time_format</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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</span><span id="ts_or_ds_to_date_sql-778"><a href="#ts_or_ds_to_date_sql-778"><span class="linenos">778</span></a> <span class="k">if</span> <span class="n">time_format</span> <span class="ow">and</span> <span class="n">time_format</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="n">_dialect</span><span class="o">.</span><span class="n">TIME_FORMAT</span><span class="p">,</span> <span class="n">_dialect</span><span class="o">.</span><span class="n">DATE_FORMAT</span><span class="p">):</span>
|
|
</span><span id="ts_or_ds_to_date_sql-779"><a href="#ts_or_ds_to_date_sql-779"><span class="linenos">779</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span>
|
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</span><span id="ts_or_ds_to_date_sql-780"><a href="#ts_or_ds_to_date_sql-780"><span class="linenos">780</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span>
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</span><span id="ts_or_ds_to_date_sql-781"><a href="#ts_or_ds_to_date_sql-781"><span class="linenos">781</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StrToTime</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="nb">format</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"format"</span><span class="p">]),</span>
|
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</span><span id="ts_or_ds_to_date_sql-782"><a href="#ts_or_ds_to_date_sql-782"><span class="linenos">782</span></a> <span class="s2">"date"</span><span class="p">,</span>
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</span><span id="ts_or_ds_to_date_sql-783"><a href="#ts_or_ds_to_date_sql-783"><span class="linenos">783</span></a> <span class="p">)</span>
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</span><span id="ts_or_ds_to_date_sql-784"><a href="#ts_or_ds_to_date_sql-784"><span class="linenos">784</span></a> <span class="p">)</span>
|
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</span><span id="ts_or_ds_to_date_sql-785"><a href="#ts_or_ds_to_date_sql-785"><span class="linenos">785</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="s2">"date"</span><span class="p">))</span>
|
|
</span><span id="ts_or_ds_to_date_sql-786"><a href="#ts_or_ds_to_date_sql-786"><span class="linenos">786</span></a>
|
|
</span><span id="ts_or_ds_to_date_sql-787"><a href="#ts_or_ds_to_date_sql-787"><span class="linenos">787</span></a> <span class="k">return</span> <span class="n">_ts_or_ds_to_date_sql</span>
|
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</span></pre></div>
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</section>
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<section id="concat_to_dpipe_sql">
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<input id="concat_to_dpipe_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">concat_to_dpipe_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Concat">sqlglot.expressions.Concat</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="concat_to_dpipe_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#concat_to_dpipe_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="concat_to_dpipe_sql-790"><a href="#concat_to_dpipe_sql-790"><span class="linenos">790</span></a><span class="k">def</span> <span class="nf">concat_to_dpipe_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="concat_to_dpipe_sql-791"><a href="#concat_to_dpipe_sql-791"><span class="linenos">791</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">reduce</span><span class="p">(</span><span class="k">lambda</span> <span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DPipe</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">x</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">y</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">))</span>
|
|
</span></pre></div>
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</section>
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<section id="concat_ws_to_dpipe_sql">
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<input id="concat_ws_to_dpipe_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">concat_ws_to_dpipe_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#ConcatWs">sqlglot.expressions.ConcatWs</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="concat_ws_to_dpipe_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#concat_ws_to_dpipe_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="concat_ws_to_dpipe_sql-794"><a href="#concat_ws_to_dpipe_sql-794"><span class="linenos">794</span></a><span class="k">def</span> <span class="nf">concat_ws_to_dpipe_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ConcatWs</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="concat_ws_to_dpipe_sql-795"><a href="#concat_ws_to_dpipe_sql-795"><span class="linenos">795</span></a> <span class="n">delim</span><span class="p">,</span> <span class="o">*</span><span class="n">rest_args</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span>
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</span><span id="concat_ws_to_dpipe_sql-796"><a href="#concat_ws_to_dpipe_sql-796"><span class="linenos">796</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span>
|
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</span><span id="concat_ws_to_dpipe_sql-797"><a href="#concat_ws_to_dpipe_sql-797"><span class="linenos">797</span></a> <span class="n">reduce</span><span class="p">(</span>
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|
</span><span id="concat_ws_to_dpipe_sql-798"><a href="#concat_ws_to_dpipe_sql-798"><span class="linenos">798</span></a> <span class="k">lambda</span> <span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DPipe</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">x</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DPipe</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">delim</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">y</span><span class="p">)),</span>
|
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</span><span id="concat_ws_to_dpipe_sql-799"><a href="#concat_ws_to_dpipe_sql-799"><span class="linenos">799</span></a> <span class="n">rest_args</span><span class="p">,</span>
|
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</span><span id="concat_ws_to_dpipe_sql-800"><a href="#concat_ws_to_dpipe_sql-800"><span class="linenos">800</span></a> <span class="p">)</span>
|
|
</span><span id="concat_ws_to_dpipe_sql-801"><a href="#concat_ws_to_dpipe_sql-801"><span class="linenos">801</span></a> <span class="p">)</span>
|
|
</span></pre></div>
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</section>
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<section id="regexp_extract_sql">
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<input id="regexp_extract_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
|
|
<span class="name">regexp_extract_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#RegexpExtract">sqlglot.expressions.RegexpExtract</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="regexp_extract_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#regexp_extract_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="regexp_extract_sql-804"><a href="#regexp_extract_sql-804"><span class="linenos">804</span></a><span class="k">def</span> <span class="nf">regexp_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">RegexpExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="regexp_extract_sql-805"><a href="#regexp_extract_sql-805"><span class="linenos">805</span></a> <span class="n">bad_args</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">filter</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">,</span> <span class="p">(</span><span class="s2">"position"</span><span class="p">,</span> <span class="s2">"occurrence"</span><span class="p">,</span> <span class="s2">"parameters"</span><span class="p">)))</span>
|
|
</span><span id="regexp_extract_sql-806"><a href="#regexp_extract_sql-806"><span class="linenos">806</span></a> <span class="k">if</span> <span class="n">bad_args</span><span class="p">:</span>
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|
</span><span id="regexp_extract_sql-807"><a href="#regexp_extract_sql-807"><span class="linenos">807</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="sa">f</span><span class="s2">"REGEXP_EXTRACT does not support the following arg(s): </span><span class="si">{</span><span class="n">bad_args</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
|
</span><span id="regexp_extract_sql-808"><a href="#regexp_extract_sql-808"><span class="linenos">808</span></a>
|
|
</span><span id="regexp_extract_sql-809"><a href="#regexp_extract_sql-809"><span class="linenos">809</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
|
|
</span><span id="regexp_extract_sql-810"><a href="#regexp_extract_sql-810"><span class="linenos">810</span></a> <span class="s2">"REGEXP_EXTRACT"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span>
|
|
</span><span id="regexp_extract_sql-811"><a href="#regexp_extract_sql-811"><span class="linenos">811</span></a> <span class="p">)</span>
|
|
</span></pre></div>
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</section>
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<section id="regexp_replace_sql">
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<input id="regexp_replace_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">regexp_replace_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#RegexpReplace">sqlglot.expressions.RegexpReplace</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="regexp_replace_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#regexp_replace_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="regexp_replace_sql-814"><a href="#regexp_replace_sql-814"><span class="linenos">814</span></a><span class="k">def</span> <span class="nf">regexp_replace_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">RegexpReplace</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="regexp_replace_sql-815"><a href="#regexp_replace_sql-815"><span class="linenos">815</span></a> <span class="n">bad_args</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span>
|
|
</span><span id="regexp_replace_sql-816"><a href="#regexp_replace_sql-816"><span class="linenos">816</span></a> <span class="nb">filter</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">,</span> <span class="p">(</span><span class="s2">"position"</span><span class="p">,</span> <span class="s2">"occurrence"</span><span class="p">,</span> <span class="s2">"parameters"</span><span class="p">,</span> <span class="s2">"modifiers"</span><span class="p">))</span>
|
|
</span><span id="regexp_replace_sql-817"><a href="#regexp_replace_sql-817"><span class="linenos">817</span></a> <span class="p">)</span>
|
|
</span><span id="regexp_replace_sql-818"><a href="#regexp_replace_sql-818"><span class="linenos">818</span></a> <span class="k">if</span> <span class="n">bad_args</span><span class="p">:</span>
|
|
</span><span id="regexp_replace_sql-819"><a href="#regexp_replace_sql-819"><span class="linenos">819</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="sa">f</span><span class="s2">"REGEXP_REPLACE does not support the following arg(s): </span><span class="si">{</span><span class="n">bad_args</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
|
</span><span id="regexp_replace_sql-820"><a href="#regexp_replace_sql-820"><span class="linenos">820</span></a>
|
|
</span><span id="regexp_replace_sql-821"><a href="#regexp_replace_sql-821"><span class="linenos">821</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
|
|
</span><span id="regexp_replace_sql-822"><a href="#regexp_replace_sql-822"><span class="linenos">822</span></a> <span class="s2">"REGEXP_REPLACE"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"replacement"</span><span class="p">]</span>
|
|
</span><span id="regexp_replace_sql-823"><a href="#regexp_replace_sql-823"><span class="linenos">823</span></a> <span class="p">)</span>
|
|
</span></pre></div>
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</section>
|
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<section id="pivot_column_names">
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<input id="pivot_column_names-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
|
|
<span class="name">pivot_column_names</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">aggregations</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]</span>,</span><span class="param"> <span class="n">dialect</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n"><a href="#Dialect">Dialect</a></span><span class="p">,</span> <span class="n">Type</span><span class="p">[</span><span class="n"><a href="#Dialect">Dialect</a></span><span class="p">],</span> <span class="n">NoneType</span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span>:</span></span>
|
|
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<label class="view-source-button" for="pivot_column_names-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#pivot_column_names"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="pivot_column_names-826"><a href="#pivot_column_names-826"><span class="linenos">826</span></a><span class="k">def</span> <span class="nf">pivot_column_names</span><span class="p">(</span><span class="n">aggregations</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span>
|
|
</span><span id="pivot_column_names-827"><a href="#pivot_column_names-827"><span class="linenos">827</span></a> <span class="n">names</span> <span class="o">=</span> <span class="p">[]</span>
|
|
</span><span id="pivot_column_names-828"><a href="#pivot_column_names-828"><span class="linenos">828</span></a> <span class="k">for</span> <span class="n">agg</span> <span class="ow">in</span> <span class="n">aggregations</span><span class="p">:</span>
|
|
</span><span id="pivot_column_names-829"><a href="#pivot_column_names-829"><span class="linenos">829</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">agg</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span>
|
|
</span><span id="pivot_column_names-830"><a href="#pivot_column_names-830"><span class="linenos">830</span></a> <span class="n">names</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">agg</span><span class="o">.</span><span class="n">alias</span><span class="p">)</span>
|
|
</span><span id="pivot_column_names-831"><a href="#pivot_column_names-831"><span class="linenos">831</span></a> <span class="k">else</span><span class="p">:</span>
|
|
</span><span id="pivot_column_names-832"><a href="#pivot_column_names-832"><span class="linenos">832</span></a><span class="w"> </span><span class="sd">"""</span>
|
|
</span><span id="pivot_column_names-833"><a href="#pivot_column_names-833"><span class="linenos">833</span></a><span class="sd"> This case corresponds to aggregations without aliases being used as suffixes</span>
|
|
</span><span id="pivot_column_names-834"><a href="#pivot_column_names-834"><span class="linenos">834</span></a><span class="sd"> (e.g. col_avg(foo)). We need to unquote identifiers because they're going to</span>
|
|
</span><span id="pivot_column_names-835"><a href="#pivot_column_names-835"><span class="linenos">835</span></a><span class="sd"> be quoted in the base parser's `_parse_pivot` method, due to `to_identifier`.</span>
|
|
</span><span id="pivot_column_names-836"><a href="#pivot_column_names-836"><span class="linenos">836</span></a><span class="sd"> Otherwise, we'd end up with `col_avg(`foo`)` (notice the double quotes).</span>
|
|
</span><span id="pivot_column_names-837"><a href="#pivot_column_names-837"><span class="linenos">837</span></a><span class="sd"> """</span>
|
|
</span><span id="pivot_column_names-838"><a href="#pivot_column_names-838"><span class="linenos">838</span></a> <span class="n">agg_all_unquoted</span> <span class="o">=</span> <span class="n">agg</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span>
|
|
</span><span id="pivot_column_names-839"><a href="#pivot_column_names-839"><span class="linenos">839</span></a> <span class="k">lambda</span> <span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">node</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
|
</span><span id="pivot_column_names-840"><a href="#pivot_column_names-840"><span class="linenos">840</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span>
|
|
</span><span id="pivot_column_names-841"><a href="#pivot_column_names-841"><span class="linenos">841</span></a> <span class="k">else</span> <span class="n">node</span>
|
|
</span><span id="pivot_column_names-842"><a href="#pivot_column_names-842"><span class="linenos">842</span></a> <span class="p">)</span>
|
|
</span><span id="pivot_column_names-843"><a href="#pivot_column_names-843"><span class="linenos">843</span></a> <span class="n">names</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">agg_all_unquoted</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">normalize_functions</span><span class="o">=</span><span class="s2">"lower"</span><span class="p">))</span>
|
|
</span><span id="pivot_column_names-844"><a href="#pivot_column_names-844"><span class="linenos">844</span></a>
|
|
</span><span id="pivot_column_names-845"><a href="#pivot_column_names-845"><span class="linenos">845</span></a> <span class="k">return</span> <span class="n">names</span>
|
|
</span></pre></div>
|
|
|
|
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|
|
|
|
</section>
|
|
<section id="binary_from_function">
|
|
<input id="binary_from_function-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">binary_from_function</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">expr_type</span><span class="p">:</span> <span class="n">Type</span><span class="p">[</span><span class="o">~</span><span class="n">B</span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n">Callable</span><span class="p">[[</span><span class="n">List</span><span class="p">],</span> <span class="o">~</span><span class="n">B</span><span class="p">]</span>:</span></span>
|
|
|
|
<label class="view-source-button" for="binary_from_function-view-source"><span>View Source</span></label>
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</div>
|
|
<a class="headerlink" href="#binary_from_function"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="binary_from_function-848"><a href="#binary_from_function-848"><span class="linenos">848</span></a><span class="k">def</span> <span class="nf">binary_from_function</span><span class="p">(</span><span class="n">expr_type</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">B</span><span class="p">])</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">B</span><span class="p">]:</span>
|
|
</span><span id="binary_from_function-849"><a href="#binary_from_function-849"><span class="linenos">849</span></a> <span class="k">return</span> <span class="k">lambda</span> <span class="n">args</span><span class="p">:</span> <span class="n">expr_type</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">expression</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">))</span>
|
|
</span></pre></div>
|
|
|
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|
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</section>
|
|
<section id="parse_timestamp_trunc">
|
|
<input id="parse_timestamp_trunc-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">parse_timestamp_trunc</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">args</span><span class="p">:</span> <span class="n">List</span></span><span class="return-annotation">) -> <span class="n"><a href="../expressions.html#TimestampTrunc">sqlglot.expressions.TimestampTrunc</a></span>:</span></span>
|
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|
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<label class="view-source-button" for="parse_timestamp_trunc-view-source"><span>View Source</span></label>
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</div>
|
|
<a class="headerlink" href="#parse_timestamp_trunc"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="parse_timestamp_trunc-853"><a href="#parse_timestamp_trunc-853"><span class="linenos">853</span></a><span class="k">def</span> <span class="nf">parse_timestamp_trunc</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">:</span>
|
|
</span><span id="parse_timestamp_trunc-854"><a href="#parse_timestamp_trunc-854"><span class="linenos">854</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">unit</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span>
|
|
</span></pre></div>
|
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|
|
</section>
|
|
<section id="any_value_to_max_sql">
|
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<input id="any_value_to_max_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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|
<span class="def">def</span>
|
|
<span class="name">any_value_to_max_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#AnyValue">sqlglot.expressions.AnyValue</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
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|
<label class="view-source-button" for="any_value_to_max_sql-view-source"><span>View Source</span></label>
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</div>
|
|
<a class="headerlink" href="#any_value_to_max_sql"></a>
|
|
<div class="pdoc-code codehilite"><pre><span></span><span id="any_value_to_max_sql-857"><a href="#any_value_to_max_sql-857"><span class="linenos">857</span></a><span class="k">def</span> <span class="nf">any_value_to_max_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">AnyValue</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="any_value_to_max_sql-858"><a href="#any_value_to_max_sql-858"><span class="linenos">858</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
|
</span></pre></div>
|
|
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|
|
|
|
|
|
|
</section>
|
|
<section id="bool_xor_sql">
|
|
<input id="bool_xor_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
|
<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
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<span class="name">bool_xor_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Xor">sqlglot.expressions.Xor</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
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</div>
|
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<a class="headerlink" href="#bool_xor_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="bool_xor_sql-861"><a href="#bool_xor_sql-861"><span class="linenos">861</span></a><span class="k">def</span> <span class="nf">bool_xor_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Xor</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="bool_xor_sql-862"><a href="#bool_xor_sql-862"><span class="linenos">862</span></a> <span class="n">a</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">)</span>
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</span><span id="bool_xor_sql-863"><a href="#bool_xor_sql-863"><span class="linenos">863</span></a> <span class="n">b</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="p">)</span>
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</span><span id="bool_xor_sql-864"><a href="#bool_xor_sql-864"><span class="linenos">864</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">a</span><span class="si">}</span><span class="s2"> AND (NOT </span><span class="si">{</span><span class="n">b</span><span class="si">}</span><span class="s2">)) OR ((NOT </span><span class="si">{</span><span class="n">a</span><span class="si">}</span><span class="s2">) AND </span><span class="si">{</span><span class="n">b</span><span class="si">}</span><span class="s2">)"</span>
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</span></pre></div>
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</section>
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<section id="json_keyvalue_comma_sql">
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<input id="json_keyvalue_comma_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">json_keyvalue_comma_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#JSONKeyValue">sqlglot.expressions.JSONKeyValue</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="json_keyvalue_comma_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#json_keyvalue_comma_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="json_keyvalue_comma_sql-868"><a href="#json_keyvalue_comma_sql-868"><span class="linenos">868</span></a><span class="k">def</span> <span class="nf">json_keyvalue_comma_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONKeyValue</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="json_keyvalue_comma_sql-869"><a href="#json_keyvalue_comma_sql-869"><span class="linenos">869</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'expression'</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span>
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</span></pre></div>
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</section>
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<section id="is_parse_json">
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<input id="is_parse_json-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">is_parse_json</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span></span><span class="return-annotation">) -> <span class="nb">bool</span>:</span></span>
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<label class="view-source-button" for="is_parse_json-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#is_parse_json"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="is_parse_json-872"><a href="#is_parse_json-872"><span class="linenos">872</span></a><span class="k">def</span> <span class="nf">is_parse_json</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
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</span><span id="is_parse_json-873"><a href="#is_parse_json-873"><span class="linenos">873</span></a> <span class="k">return</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ParseJSON</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span>
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</span><span id="is_parse_json-874"><a href="#is_parse_json-874"><span class="linenos">874</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"json"</span><span class="p">)</span>
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</span><span id="is_parse_json-875"><a href="#is_parse_json-875"><span class="linenos">875</span></a> <span class="p">)</span>
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</span></pre></div>
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</section>
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<section id="isnull_to_is_null">
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<input id="isnull_to_is_null-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">isnull_to_is_null</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">args</span><span class="p">:</span> <span class="n">List</span></span><span class="return-annotation">) -> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span>:</span></span>
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<label class="view-source-button" for="isnull_to_is_null-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#isnull_to_is_null"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="isnull_to_is_null-878"><a href="#isnull_to_is_null-878"><span class="linenos">878</span></a><span class="k">def</span> <span class="nf">isnull_to_is_null</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
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</span><span id="isnull_to_is_null-879"><a href="#isnull_to_is_null-879"><span class="linenos">879</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()))</span>
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</span></pre></div>
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</section>
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<section id="generatedasidentitycolumnconstraint_sql">
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<input id="generatedasidentitycolumnconstraint_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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<span class="def">def</span>
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|
<span class="name">generatedasidentitycolumnconstraint_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#GeneratedAsIdentityColumnConstraint">sqlglot.expressions.GeneratedAsIdentityColumnConstraint</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
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<label class="view-source-button" for="generatedasidentitycolumnconstraint_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#generatedasidentitycolumnconstraint_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="generatedasidentitycolumnconstraint_sql-882"><a href="#generatedasidentitycolumnconstraint_sql-882"><span class="linenos">882</span></a><span class="k">def</span> <span class="nf">generatedasidentitycolumnconstraint_sql</span><span class="p">(</span>
|
|
</span><span id="generatedasidentitycolumnconstraint_sql-883"><a href="#generatedasidentitycolumnconstraint_sql-883"><span class="linenos">883</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GeneratedAsIdentityColumnConstraint</span>
|
|
</span><span id="generatedasidentitycolumnconstraint_sql-884"><a href="#generatedasidentitycolumnconstraint_sql-884"><span class="linenos">884</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
|
</span><span id="generatedasidentitycolumnconstraint_sql-885"><a href="#generatedasidentitycolumnconstraint_sql-885"><span class="linenos">885</span></a> <span class="n">start</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"start"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"1"</span>
|
|
</span><span id="generatedasidentitycolumnconstraint_sql-886"><a href="#generatedasidentitycolumnconstraint_sql-886"><span class="linenos">886</span></a> <span class="n">increment</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"increment"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"1"</span>
|
|
</span><span id="generatedasidentitycolumnconstraint_sql-887"><a href="#generatedasidentitycolumnconstraint_sql-887"><span class="linenos">887</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IDENTITY(</span><span class="si">{</span><span class="n">start</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">increment</span><span class="si">}</span><span class="s2">)"</span>
|
|
</span></pre></div>
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|
</section>
|
|
<section id="arg_max_or_min_no_count">
|
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<input id="arg_max_or_min_no_count-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
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|
<span class="def">def</span>
|
|
<span class="name">arg_max_or_min_no_count</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span></span><span class="return-annotation">) -> <span class="n">Callable</span><span class="p">[[</span><span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span><span class="p">,</span> <span class="n"><a href="../expressions.html#ArgMax">sqlglot.expressions.ArgMax</a></span> <span class="o">|</span> <span class="n"><a href="../expressions.html#ArgMin">sqlglot.expressions.ArgMin</a></span><span class="p">],</span> <span class="nb">str</span><span class="p">]</span>:</span></span>
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<label class="view-source-button" for="arg_max_or_min_no_count-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#arg_max_or_min_no_count"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="arg_max_or_min_no_count-890"><a href="#arg_max_or_min_no_count-890"><span class="linenos">890</span></a><span class="k">def</span> <span class="nf">arg_max_or_min_no_count</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMax</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMin</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
|
</span><span id="arg_max_or_min_no_count-891"><a href="#arg_max_or_min_no_count-891"><span class="linenos">891</span></a> <span class="k">def</span> <span class="nf">_arg_max_or_min_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMax</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMin</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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|
</span><span id="arg_max_or_min_no_count-892"><a href="#arg_max_or_min_no_count-892"><span class="linenos">892</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"count"</span><span class="p">):</span>
|
|
</span><span id="arg_max_or_min_no_count-893"><a href="#arg_max_or_min_no_count-893"><span class="linenos">893</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Only two arguments are supported in function </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">."</span><span class="p">)</span>
|
|
</span><span id="arg_max_or_min_no_count-894"><a href="#arg_max_or_min_no_count-894"><span class="linenos">894</span></a>
|
|
</span><span id="arg_max_or_min_no_count-895"><a href="#arg_max_or_min_no_count-895"><span class="linenos">895</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span>
|
|
</span><span id="arg_max_or_min_no_count-896"><a href="#arg_max_or_min_no_count-896"><span class="linenos">896</span></a>
|
|
</span><span id="arg_max_or_min_no_count-897"><a href="#arg_max_or_min_no_count-897"><span class="linenos">897</span></a> <span class="k">return</span> <span class="n">_arg_max_or_min_sql</span>
|
|
</span></pre></div>
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</section>
|
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<section id="ts_or_ds_add_cast">
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<input id="ts_or_ds_add_cast-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<div class="attr function">
|
|
|
|
<span class="def">def</span>
|
|
<span class="name">ts_or_ds_add_cast</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#TsOrDsAdd">sqlglot.expressions.TsOrDsAdd</a></span></span><span class="return-annotation">) -> <span class="n"><a href="../expressions.html#TsOrDsAdd">sqlglot.expressions.TsOrDsAdd</a></span>:</span></span>
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<label class="view-source-button" for="ts_or_ds_add_cast-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#ts_or_ds_add_cast"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="ts_or_ds_add_cast-900"><a href="#ts_or_ds_add_cast-900"><span class="linenos">900</span></a><span class="k">def</span> <span class="nf">ts_or_ds_add_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">:</span>
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</span><span id="ts_or_ds_add_cast-901"><a href="#ts_or_ds_add_cast-901"><span class="linenos">901</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
|
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</span><span id="ts_or_ds_add_cast-902"><a href="#ts_or_ds_add_cast-902"><span class="linenos">902</span></a>
|
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</span><span id="ts_or_ds_add_cast-903"><a href="#ts_or_ds_add_cast-903"><span class="linenos">903</span></a> <span class="n">return_type</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">return_type</span>
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|
</span><span id="ts_or_ds_add_cast-904"><a href="#ts_or_ds_add_cast-904"><span class="linenos">904</span></a> <span class="k">if</span> <span class="n">return_type</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">):</span>
|
|
</span><span id="ts_or_ds_add_cast-905"><a href="#ts_or_ds_add_cast-905"><span class="linenos">905</span></a> <span class="c1"># If we need to cast to a DATE, we cast to TIMESTAMP first to make sure we</span>
|
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</span><span id="ts_or_ds_add_cast-906"><a href="#ts_or_ds_add_cast-906"><span class="linenos">906</span></a> <span class="c1"># can truncate timestamp strings, because some dialects can't cast them to DATE</span>
|
|
</span><span id="ts_or_ds_add_cast-907"><a href="#ts_or_ds_add_cast-907"><span class="linenos">907</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">)</span>
|
|
</span><span id="ts_or_ds_add_cast-908"><a href="#ts_or_ds_add_cast-908"><span class="linenos">908</span></a>
|
|
</span><span id="ts_or_ds_add_cast-909"><a href="#ts_or_ds_add_cast-909"><span class="linenos">909</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">return_type</span><span class="p">))</span>
|
|
</span><span id="ts_or_ds_add_cast-910"><a href="#ts_or_ds_add_cast-910"><span class="linenos">910</span></a> <span class="k">return</span> <span class="n">expression</span>
|
|
</span></pre></div>
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</section>
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<section id="date_delta_sql">
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<div class="attr function">
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<span class="def">def</span>
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<span class="name">date_delta_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span>,</span><span class="param"> <span class="n">cast</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span></span><span class="return-annotation">) -> <span class="n">Callable</span><span class="p">[[</span><span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span><span class="p">,</span> <span class="n">Union</span><span class="p">[</span><span class="n"><a href="../expressions.html#DateAdd">sqlglot.expressions.DateAdd</a></span><span class="p">,</span> <span class="n"><a href="../expressions.html#TsOrDsAdd">sqlglot.expressions.TsOrDsAdd</a></span><span class="p">,</span> <span class="n"><a href="../expressions.html#DateDiff">sqlglot.expressions.DateDiff</a></span><span class="p">,</span> <span class="n"><a href="../expressions.html#TsOrDsDiff">sqlglot.expressions.TsOrDsDiff</a></span><span class="p">]],</span> <span class="nb">str</span><span class="p">]</span>:</span></span>
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<label class="view-source-button" for="date_delta_sql-view-source"><span>View Source</span></label>
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</div>
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<a class="headerlink" href="#date_delta_sql"></a>
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<div class="pdoc-code codehilite"><pre><span></span><span id="date_delta_sql-913"><a href="#date_delta_sql-913"><span class="linenos">913</span></a><span class="k">def</span> <span class="nf">date_delta_sql</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">cast</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">DATE_ADD_OR_DIFF</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
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</span><span id="date_delta_sql-914"><a href="#date_delta_sql-914"><span class="linenos">914</span></a> <span class="k">def</span> <span class="nf">_delta_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">DATE_ADD_OR_DIFF</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
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</span><span id="date_delta_sql-915"><a href="#date_delta_sql-915"><span class="linenos">915</span></a> <span class="k">if</span> <span class="n">cast</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">):</span>
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</span><span id="date_delta_sql-916"><a href="#date_delta_sql-916"><span class="linenos">916</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">ts_or_ds_add_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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</span><span id="date_delta_sql-917"><a href="#date_delta_sql-917"><span class="linenos">917</span></a>
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</span><span id="date_delta_sql-918"><a href="#date_delta_sql-918"><span class="linenos">918</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
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</span><span id="date_delta_sql-919"><a href="#date_delta_sql-919"><span class="linenos">919</span></a> <span class="n">name</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"day"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
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</span><span id="date_delta_sql-920"><a href="#date_delta_sql-920"><span class="linenos">920</span></a> <span class="p">)</span>
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</span><span id="date_delta_sql-921"><a href="#date_delta_sql-921"><span class="linenos">921</span></a>
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</span><span id="date_delta_sql-922"><a href="#date_delta_sql-922"><span class="linenos">922</span></a> <span class="k">return</span> <span class="n">_delta_sql</span>
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</span></pre></div>
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