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sqlglot.dialects.mysql

  1from __future__ import annotations
  2
  3import typing as t
  4
  5from sqlglot import exp, generator, parser, tokens, transforms
  6from sqlglot.dialects.dialect import (
  7    Dialect,
  8    NormalizationStrategy,
  9    arrow_json_extract_sql,
 10    date_add_interval_sql,
 11    datestrtodate_sql,
 12    build_formatted_time,
 13    isnull_to_is_null,
 14    locate_to_strposition,
 15    max_or_greatest,
 16    min_or_least,
 17    no_ilike_sql,
 18    no_paren_current_date_sql,
 19    no_pivot_sql,
 20    no_tablesample_sql,
 21    no_trycast_sql,
 22    build_date_delta,
 23    build_date_delta_with_interval,
 24    rename_func,
 25    strposition_to_locate_sql,
 26    unit_to_var,
 27)
 28from sqlglot.helper import seq_get
 29from sqlglot.tokens import TokenType
 30
 31
 32def _show_parser(*args: t.Any, **kwargs: t.Any) -> t.Callable[[MySQL.Parser], exp.Show]:
 33    def _parse(self: MySQL.Parser) -> exp.Show:
 34        return self._parse_show_mysql(*args, **kwargs)
 35
 36    return _parse
 37
 38
 39def _date_trunc_sql(self: MySQL.Generator, expression: exp.DateTrunc) -> str:
 40    expr = self.sql(expression, "this")
 41    unit = expression.text("unit").upper()
 42
 43    if unit == "WEEK":
 44        concat = f"CONCAT(YEAR({expr}), ' ', WEEK({expr}, 1), ' 1')"
 45        date_format = "%Y %u %w"
 46    elif unit == "MONTH":
 47        concat = f"CONCAT(YEAR({expr}), ' ', MONTH({expr}), ' 1')"
 48        date_format = "%Y %c %e"
 49    elif unit == "QUARTER":
 50        concat = f"CONCAT(YEAR({expr}), ' ', QUARTER({expr}) * 3 - 2, ' 1')"
 51        date_format = "%Y %c %e"
 52    elif unit == "YEAR":
 53        concat = f"CONCAT(YEAR({expr}), ' 1 1')"
 54        date_format = "%Y %c %e"
 55    else:
 56        if unit != "DAY":
 57            self.unsupported(f"Unexpected interval unit: {unit}")
 58        return self.func("DATE", expr)
 59
 60    return self.func("STR_TO_DATE", concat, f"'{date_format}'")
 61
 62
 63# All specifiers for time parts (as opposed to date parts)
 64# https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html#function_date-format
 65TIME_SPECIFIERS = {"f", "H", "h", "I", "i", "k", "l", "p", "r", "S", "s", "T"}
 66
 67
 68def _has_time_specifier(date_format: str) -> bool:
 69    i = 0
 70    length = len(date_format)
 71
 72    while i < length:
 73        if date_format[i] == "%":
 74            i += 1
 75            if i < length and date_format[i] in TIME_SPECIFIERS:
 76                return True
 77        i += 1
 78    return False
 79
 80
 81def _str_to_date(args: t.List) -> exp.StrToDate | exp.StrToTime:
 82    mysql_date_format = seq_get(args, 1)
 83    date_format = MySQL.format_time(mysql_date_format)
 84    this = seq_get(args, 0)
 85
 86    if mysql_date_format and _has_time_specifier(mysql_date_format.name):
 87        return exp.StrToTime(this=this, format=date_format)
 88
 89    return exp.StrToDate(this=this, format=date_format)
 90
 91
 92def _str_to_date_sql(
 93    self: MySQL.Generator, expression: exp.StrToDate | exp.StrToTime | exp.TsOrDsToDate
 94) -> str:
 95    return self.func("STR_TO_DATE", expression.this, self.format_time(expression))
 96
 97
 98def _trim_sql(self: MySQL.Generator, expression: exp.Trim) -> str:
 99    target = self.sql(expression, "this")
100    trim_type = self.sql(expression, "position")
101    remove_chars = self.sql(expression, "expression")
102
103    # Use TRIM/LTRIM/RTRIM syntax if the expression isn't mysql-specific
104    if not remove_chars:
105        return self.trim_sql(expression)
106
107    trim_type = f"{trim_type} " if trim_type else ""
108    remove_chars = f"{remove_chars} " if remove_chars else ""
109    from_part = "FROM " if trim_type or remove_chars else ""
110    return f"TRIM({trim_type}{remove_chars}{from_part}{target})"
111
112
113def _unix_to_time_sql(self: MySQL.Generator, expression: exp.UnixToTime) -> str:
114    scale = expression.args.get("scale")
115    timestamp = expression.this
116
117    if scale in (None, exp.UnixToTime.SECONDS):
118        return self.func("FROM_UNIXTIME", timestamp, self.format_time(expression))
119
120    return self.func(
121        "FROM_UNIXTIME",
122        exp.Div(this=timestamp, expression=exp.func("POW", 10, scale)),
123        self.format_time(expression),
124    )
125
126
127def date_add_sql(
128    kind: str,
129) -> t.Callable[[generator.Generator, exp.Expression], str]:
130    def func(self: generator.Generator, expression: exp.Expression) -> str:
131        return self.func(
132            f"DATE_{kind}",
133            expression.this,
134            exp.Interval(this=expression.expression, unit=unit_to_var(expression)),
135        )
136
137    return func
138
139
140def _ts_or_ds_to_date_sql(self: MySQL.Generator, expression: exp.TsOrDsToDate) -> str:
141    time_format = expression.args.get("format")
142    return _str_to_date_sql(self, expression) if time_format else self.func("DATE", expression.this)
143
144
145def _remove_ts_or_ds_to_date(
146    to_sql: t.Optional[t.Callable[[MySQL.Generator, exp.Expression], str]] = None,
147    args: t.Tuple[str, ...] = ("this",),
148) -> t.Callable[[MySQL.Generator, exp.Func], str]:
149    def func(self: MySQL.Generator, expression: exp.Func) -> str:
150        for arg_key in args:
151            arg = expression.args.get(arg_key)
152            if isinstance(arg, exp.TsOrDsToDate) and not arg.args.get("format"):
153                expression.set(arg_key, arg.this)
154
155        return to_sql(self, expression) if to_sql else self.function_fallback_sql(expression)
156
157    return func
158
159
160class MySQL(Dialect):
161    # https://dev.mysql.com/doc/refman/8.0/en/identifiers.html
162    IDENTIFIERS_CAN_START_WITH_DIGIT = True
163
164    # We default to treating all identifiers as case-sensitive, since it matches MySQL's
165    # behavior on Linux systems. For MacOS and Windows systems, one can override this
166    # setting by specifying `dialect="mysql, normalization_strategy = lowercase"`.
167    #
168    # See also https://dev.mysql.com/doc/refman/8.2/en/identifier-case-sensitivity.html
169    NORMALIZATION_STRATEGY = NormalizationStrategy.CASE_SENSITIVE
170
171    TIME_FORMAT = "'%Y-%m-%d %T'"
172    DPIPE_IS_STRING_CONCAT = False
173    SUPPORTS_USER_DEFINED_TYPES = False
174    SUPPORTS_SEMI_ANTI_JOIN = False
175    SAFE_DIVISION = True
176
177    # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions
178    TIME_MAPPING = {
179        "%M": "%B",
180        "%c": "%-m",
181        "%e": "%-d",
182        "%h": "%I",
183        "%i": "%M",
184        "%s": "%S",
185        "%u": "%W",
186        "%k": "%-H",
187        "%l": "%-I",
188        "%T": "%H:%M:%S",
189        "%W": "%a",
190    }
191
192    class Tokenizer(tokens.Tokenizer):
193        QUOTES = ["'", '"']
194        COMMENTS = ["--", "#", ("/*", "*/")]
195        IDENTIFIERS = ["`"]
196        STRING_ESCAPES = ["'", '"', "\\"]
197        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
198        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
199
200        KEYWORDS = {
201            **tokens.Tokenizer.KEYWORDS,
202            "CHARSET": TokenType.CHARACTER_SET,
203            "FORCE": TokenType.FORCE,
204            "IGNORE": TokenType.IGNORE,
205            "LOCK TABLES": TokenType.COMMAND,
206            "LONGBLOB": TokenType.LONGBLOB,
207            "LONGTEXT": TokenType.LONGTEXT,
208            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
209            "TINYBLOB": TokenType.TINYBLOB,
210            "TINYTEXT": TokenType.TINYTEXT,
211            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
212            "MEDIUMINT": TokenType.MEDIUMINT,
213            "MEMBER OF": TokenType.MEMBER_OF,
214            "SEPARATOR": TokenType.SEPARATOR,
215            "START": TokenType.BEGIN,
216            "SIGNED": TokenType.BIGINT,
217            "SIGNED INTEGER": TokenType.BIGINT,
218            "UNLOCK TABLES": TokenType.COMMAND,
219            "UNSIGNED": TokenType.UBIGINT,
220            "UNSIGNED INTEGER": TokenType.UBIGINT,
221            "YEAR": TokenType.YEAR,
222            "_ARMSCII8": TokenType.INTRODUCER,
223            "_ASCII": TokenType.INTRODUCER,
224            "_BIG5": TokenType.INTRODUCER,
225            "_BINARY": TokenType.INTRODUCER,
226            "_CP1250": TokenType.INTRODUCER,
227            "_CP1251": TokenType.INTRODUCER,
228            "_CP1256": TokenType.INTRODUCER,
229            "_CP1257": TokenType.INTRODUCER,
230            "_CP850": TokenType.INTRODUCER,
231            "_CP852": TokenType.INTRODUCER,
232            "_CP866": TokenType.INTRODUCER,
233            "_CP932": TokenType.INTRODUCER,
234            "_DEC8": TokenType.INTRODUCER,
235            "_EUCJPMS": TokenType.INTRODUCER,
236            "_EUCKR": TokenType.INTRODUCER,
237            "_GB18030": TokenType.INTRODUCER,
238            "_GB2312": TokenType.INTRODUCER,
239            "_GBK": TokenType.INTRODUCER,
240            "_GEOSTD8": TokenType.INTRODUCER,
241            "_GREEK": TokenType.INTRODUCER,
242            "_HEBREW": TokenType.INTRODUCER,
243            "_HP8": TokenType.INTRODUCER,
244            "_KEYBCS2": TokenType.INTRODUCER,
245            "_KOI8R": TokenType.INTRODUCER,
246            "_KOI8U": TokenType.INTRODUCER,
247            "_LATIN1": TokenType.INTRODUCER,
248            "_LATIN2": TokenType.INTRODUCER,
249            "_LATIN5": TokenType.INTRODUCER,
250            "_LATIN7": TokenType.INTRODUCER,
251            "_MACCE": TokenType.INTRODUCER,
252            "_MACROMAN": TokenType.INTRODUCER,
253            "_SJIS": TokenType.INTRODUCER,
254            "_SWE7": TokenType.INTRODUCER,
255            "_TIS620": TokenType.INTRODUCER,
256            "_UCS2": TokenType.INTRODUCER,
257            "_UJIS": TokenType.INTRODUCER,
258            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
259            "_UTF8": TokenType.INTRODUCER,
260            "_UTF16": TokenType.INTRODUCER,
261            "_UTF16LE": TokenType.INTRODUCER,
262            "_UTF32": TokenType.INTRODUCER,
263            "_UTF8MB3": TokenType.INTRODUCER,
264            "_UTF8MB4": TokenType.INTRODUCER,
265            "@@": TokenType.SESSION_PARAMETER,
266        }
267
268        COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW}
269
270    class Parser(parser.Parser):
271        FUNC_TOKENS = {
272            *parser.Parser.FUNC_TOKENS,
273            TokenType.DATABASE,
274            TokenType.SCHEMA,
275            TokenType.VALUES,
276        }
277
278        CONJUNCTION = {
279            **parser.Parser.CONJUNCTION,
280            TokenType.DAMP: exp.And,
281            TokenType.XOR: exp.Xor,
282            TokenType.DPIPE: exp.Or,
283        }
284
285        TABLE_ALIAS_TOKENS = (
286            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
287        )
288
289        RANGE_PARSERS = {
290            **parser.Parser.RANGE_PARSERS,
291            TokenType.MEMBER_OF: lambda self, this: self.expression(
292                exp.JSONArrayContains,
293                this=this,
294                expression=self._parse_wrapped(self._parse_expression),
295            ),
296        }
297
298        FUNCTIONS = {
299            **parser.Parser.FUNCTIONS,
300            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
301            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
302            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
303            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
304            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
305            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
306            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
307            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
308            "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)),
309            "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"),
310            "ISNULL": isnull_to_is_null,
311            "LOCATE": locate_to_strposition,
312            "MAKETIME": exp.TimeFromParts.from_arg_list,
313            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
314            "MONTHNAME": lambda args: exp.TimeToStr(
315                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
316                format=exp.Literal.string("%B"),
317            ),
318            "STR_TO_DATE": _str_to_date,
319            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
320            "TO_DAYS": lambda args: exp.paren(
321                exp.DateDiff(
322                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
323                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
324                    unit=exp.var("DAY"),
325                )
326                + 1
327            ),
328            "WEEK": lambda args: exp.Week(
329                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
330            ),
331            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
332            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
333        }
334
335        FUNCTION_PARSERS = {
336            **parser.Parser.FUNCTION_PARSERS,
337            "CHAR": lambda self: self._parse_chr(),
338            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
339            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
340            "VALUES": lambda self: self.expression(
341                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
342            ),
343        }
344
345        STATEMENT_PARSERS = {
346            **parser.Parser.STATEMENT_PARSERS,
347            TokenType.SHOW: lambda self: self._parse_show(),
348        }
349
350        SHOW_PARSERS = {
351            "BINARY LOGS": _show_parser("BINARY LOGS"),
352            "MASTER LOGS": _show_parser("BINARY LOGS"),
353            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
354            "CHARACTER SET": _show_parser("CHARACTER SET"),
355            "CHARSET": _show_parser("CHARACTER SET"),
356            "COLLATION": _show_parser("COLLATION"),
357            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
358            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
359            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
360            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
361            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
362            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
363            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
364            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
365            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
366            "DATABASES": _show_parser("DATABASES"),
367            "SCHEMAS": _show_parser("DATABASES"),
368            "ENGINE": _show_parser("ENGINE", target=True),
369            "STORAGE ENGINES": _show_parser("ENGINES"),
370            "ENGINES": _show_parser("ENGINES"),
371            "ERRORS": _show_parser("ERRORS"),
372            "EVENTS": _show_parser("EVENTS"),
373            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
374            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
375            "GRANTS": _show_parser("GRANTS", target="FOR"),
376            "INDEX": _show_parser("INDEX", target="FROM"),
377            "MASTER STATUS": _show_parser("MASTER STATUS"),
378            "OPEN TABLES": _show_parser("OPEN TABLES"),
379            "PLUGINS": _show_parser("PLUGINS"),
380            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
381            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
382            "PRIVILEGES": _show_parser("PRIVILEGES"),
383            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
384            "PROCESSLIST": _show_parser("PROCESSLIST"),
385            "PROFILE": _show_parser("PROFILE"),
386            "PROFILES": _show_parser("PROFILES"),
387            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
388            "REPLICAS": _show_parser("REPLICAS"),
389            "SLAVE HOSTS": _show_parser("REPLICAS"),
390            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
391            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
392            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
393            "SESSION STATUS": _show_parser("STATUS"),
394            "STATUS": _show_parser("STATUS"),
395            "TABLE STATUS": _show_parser("TABLE STATUS"),
396            "FULL TABLES": _show_parser("TABLES", full=True),
397            "TABLES": _show_parser("TABLES"),
398            "TRIGGERS": _show_parser("TRIGGERS"),
399            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
400            "SESSION VARIABLES": _show_parser("VARIABLES"),
401            "VARIABLES": _show_parser("VARIABLES"),
402            "WARNINGS": _show_parser("WARNINGS"),
403        }
404
405        PROPERTY_PARSERS = {
406            **parser.Parser.PROPERTY_PARSERS,
407            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
408        }
409
410        SET_PARSERS = {
411            **parser.Parser.SET_PARSERS,
412            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
413            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
414            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
415            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
416            "NAMES": lambda self: self._parse_set_item_names(),
417        }
418
419        CONSTRAINT_PARSERS = {
420            **parser.Parser.CONSTRAINT_PARSERS,
421            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
422            "INDEX": lambda self: self._parse_index_constraint(),
423            "KEY": lambda self: self._parse_index_constraint(),
424            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
425        }
426
427        ALTER_PARSERS = {
428            **parser.Parser.ALTER_PARSERS,
429            "MODIFY": lambda self: self._parse_alter_table_alter(),
430        }
431
432        SCHEMA_UNNAMED_CONSTRAINTS = {
433            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
434            "FULLTEXT",
435            "INDEX",
436            "KEY",
437            "SPATIAL",
438        }
439
440        PROFILE_TYPES: parser.OPTIONS_TYPE = {
441            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
442            "BLOCK": ("IO",),
443            "CONTEXT": ("SWITCHES",),
444            "PAGE": ("FAULTS",),
445        }
446
447        TYPE_TOKENS = {
448            *parser.Parser.TYPE_TOKENS,
449            TokenType.SET,
450        }
451
452        ENUM_TYPE_TOKENS = {
453            *parser.Parser.ENUM_TYPE_TOKENS,
454            TokenType.SET,
455        }
456
457        LOG_DEFAULTS_TO_LN = True
458        STRING_ALIASES = True
459        VALUES_FOLLOWED_BY_PAREN = False
460        SUPPORTS_PARTITION_SELECTION = True
461
462        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
463            this = self._parse_id_var()
464            if not self._match(TokenType.L_PAREN):
465                return this
466
467            expression = self._parse_number()
468            self._match_r_paren()
469            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
470
471        def _parse_index_constraint(
472            self, kind: t.Optional[str] = None
473        ) -> exp.IndexColumnConstraint:
474            if kind:
475                self._match_texts(("INDEX", "KEY"))
476
477            this = self._parse_id_var(any_token=False)
478            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
479            expressions = self._parse_wrapped_csv(self._parse_ordered)
480
481            options = []
482            while True:
483                if self._match_text_seq("KEY_BLOCK_SIZE"):
484                    self._match(TokenType.EQ)
485                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
486                elif self._match(TokenType.USING):
487                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
488                elif self._match_text_seq("WITH", "PARSER"):
489                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
490                elif self._match(TokenType.COMMENT):
491                    opt = exp.IndexConstraintOption(comment=self._parse_string())
492                elif self._match_text_seq("VISIBLE"):
493                    opt = exp.IndexConstraintOption(visible=True)
494                elif self._match_text_seq("INVISIBLE"):
495                    opt = exp.IndexConstraintOption(visible=False)
496                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
497                    self._match(TokenType.EQ)
498                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
499                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
500                    self._match(TokenType.EQ)
501                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
502                else:
503                    opt = None
504
505                if not opt:
506                    break
507
508                options.append(opt)
509
510            return self.expression(
511                exp.IndexColumnConstraint,
512                this=this,
513                expressions=expressions,
514                kind=kind,
515                index_type=index_type,
516                options=options,
517            )
518
519        def _parse_show_mysql(
520            self,
521            this: str,
522            target: bool | str = False,
523            full: t.Optional[bool] = None,
524            global_: t.Optional[bool] = None,
525        ) -> exp.Show:
526            if target:
527                if isinstance(target, str):
528                    self._match_text_seq(target)
529                target_id = self._parse_id_var()
530            else:
531                target_id = None
532
533            log = self._parse_string() if self._match_text_seq("IN") else None
534
535            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
536                position = self._parse_number() if self._match_text_seq("FROM") else None
537                db = None
538            else:
539                position = None
540                db = None
541
542                if self._match(TokenType.FROM):
543                    db = self._parse_id_var()
544                elif self._match(TokenType.DOT):
545                    db = target_id
546                    target_id = self._parse_id_var()
547
548            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
549
550            like = self._parse_string() if self._match_text_seq("LIKE") else None
551            where = self._parse_where()
552
553            if this == "PROFILE":
554                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
555                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
556                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
557                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
558            else:
559                types, query = None, None
560                offset, limit = self._parse_oldstyle_limit()
561
562            mutex = True if self._match_text_seq("MUTEX") else None
563            mutex = False if self._match_text_seq("STATUS") else mutex
564
565            return self.expression(
566                exp.Show,
567                this=this,
568                target=target_id,
569                full=full,
570                log=log,
571                position=position,
572                db=db,
573                channel=channel,
574                like=like,
575                where=where,
576                types=types,
577                query=query,
578                offset=offset,
579                limit=limit,
580                mutex=mutex,
581                **{"global": global_},  # type: ignore
582            )
583
584        def _parse_oldstyle_limit(
585            self,
586        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
587            limit = None
588            offset = None
589            if self._match_text_seq("LIMIT"):
590                parts = self._parse_csv(self._parse_number)
591                if len(parts) == 1:
592                    limit = parts[0]
593                elif len(parts) == 2:
594                    limit = parts[1]
595                    offset = parts[0]
596
597            return offset, limit
598
599        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
600            this = self._parse_string() or self._parse_id_var()
601            return self.expression(exp.SetItem, this=this, kind=kind)
602
603        def _parse_set_item_names(self) -> exp.Expression:
604            charset = self._parse_string() or self._parse_id_var()
605            if self._match_text_seq("COLLATE"):
606                collate = self._parse_string() or self._parse_id_var()
607            else:
608                collate = None
609
610            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
611
612        def _parse_type(
613            self, parse_interval: bool = True, fallback_to_identifier: bool = False
614        ) -> t.Optional[exp.Expression]:
615            # mysql binary is special and can work anywhere, even in order by operations
616            # it operates like a no paren func
617            if self._match(TokenType.BINARY, advance=False):
618                data_type = self._parse_types(check_func=True, allow_identifiers=False)
619
620                if isinstance(data_type, exp.DataType):
621                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
622
623            return super()._parse_type(
624                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
625            )
626
627        def _parse_chr(self) -> t.Optional[exp.Expression]:
628            expressions = self._parse_csv(self._parse_conjunction)
629            kwargs: t.Dict[str, t.Any] = {"this": seq_get(expressions, 0)}
630
631            if len(expressions) > 1:
632                kwargs["expressions"] = expressions[1:]
633
634            if self._match(TokenType.USING):
635                kwargs["charset"] = self._parse_var()
636
637            return self.expression(exp.Chr, **kwargs)
638
639        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
640            def concat_exprs(
641                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
642            ) -> exp.Expression:
643                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
644                    concat_exprs = [
645                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
646                    ]
647                    node.set("expressions", concat_exprs)
648                    return node
649                if len(exprs) == 1:
650                    return exprs[0]
651                return self.expression(exp.Concat, expressions=args, safe=True)
652
653            args = self._parse_csv(self._parse_lambda)
654
655            if args:
656                order = args[-1] if isinstance(args[-1], exp.Order) else None
657
658                if order:
659                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
660                    # remove 'expr' from exp.Order and add it back to args
661                    args[-1] = order.this
662                    order.set("this", concat_exprs(order.this, args))
663
664                this = order or concat_exprs(args[0], args)
665            else:
666                this = None
667
668            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
669
670            return self.expression(exp.GroupConcat, this=this, separator=separator)
671
672    class Generator(generator.Generator):
673        LOCKING_READS_SUPPORTED = True
674        NULL_ORDERING_SUPPORTED = None
675        JOIN_HINTS = False
676        TABLE_HINTS = True
677        DUPLICATE_KEY_UPDATE_WITH_SET = False
678        QUERY_HINT_SEP = " "
679        VALUES_AS_TABLE = False
680        NVL2_SUPPORTED = False
681        LAST_DAY_SUPPORTS_DATE_PART = False
682        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
683        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
684        JSON_KEY_VALUE_PAIR_SEP = ","
685        SUPPORTS_TO_NUMBER = False
686
687        TRANSFORMS = {
688            **generator.Generator.TRANSFORMS,
689            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
690            exp.CurrentDate: no_paren_current_date_sql,
691            exp.DateDiff: _remove_ts_or_ds_to_date(
692                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
693            ),
694            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
695            exp.DateStrToDate: datestrtodate_sql,
696            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
697            exp.DateTrunc: _date_trunc_sql,
698            exp.Day: _remove_ts_or_ds_to_date(),
699            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
700            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
701            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
702            exp.GroupConcat: lambda self,
703            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
704            exp.ILike: no_ilike_sql,
705            exp.JSONExtractScalar: arrow_json_extract_sql,
706            exp.Max: max_or_greatest,
707            exp.Min: min_or_least,
708            exp.Month: _remove_ts_or_ds_to_date(),
709            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
710            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
711            exp.ParseJSON: lambda self, e: self.sql(e, "this"),
712            exp.Pivot: no_pivot_sql,
713            exp.Select: transforms.preprocess(
714                [
715                    transforms.eliminate_distinct_on,
716                    transforms.eliminate_semi_and_anti_joins,
717                    transforms.eliminate_qualify,
718                    transforms.eliminate_full_outer_join,
719                ]
720            ),
721            exp.StrPosition: strposition_to_locate_sql,
722            exp.StrToDate: _str_to_date_sql,
723            exp.StrToTime: _str_to_date_sql,
724            exp.Stuff: rename_func("INSERT"),
725            exp.TableSample: no_tablesample_sql,
726            exp.TimeFromParts: rename_func("MAKETIME"),
727            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
728            exp.TimestampDiff: lambda self, e: self.func(
729                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
730            ),
731            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
732            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
733            exp.TimeStrToTime: lambda self, e: self.sql(
734                exp.cast(e.this, exp.DataType.Type.DATETIME, copy=True)
735            ),
736            exp.TimeToStr: _remove_ts_or_ds_to_date(
737                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
738            ),
739            exp.Trim: _trim_sql,
740            exp.TryCast: no_trycast_sql,
741            exp.TsOrDsAdd: date_add_sql("ADD"),
742            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
743            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
744            exp.UnixToTime: _unix_to_time_sql,
745            exp.Week: _remove_ts_or_ds_to_date(),
746            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
747            exp.Year: _remove_ts_or_ds_to_date(),
748        }
749
750        UNSIGNED_TYPE_MAPPING = {
751            exp.DataType.Type.UBIGINT: "BIGINT",
752            exp.DataType.Type.UINT: "INT",
753            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
754            exp.DataType.Type.USMALLINT: "SMALLINT",
755            exp.DataType.Type.UTINYINT: "TINYINT",
756            exp.DataType.Type.UDECIMAL: "DECIMAL",
757        }
758
759        TIMESTAMP_TYPE_MAPPING = {
760            exp.DataType.Type.TIMESTAMP: "DATETIME",
761            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
762            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
763        }
764
765        TYPE_MAPPING = {
766            **generator.Generator.TYPE_MAPPING,
767            **UNSIGNED_TYPE_MAPPING,
768            **TIMESTAMP_TYPE_MAPPING,
769        }
770
771        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
772        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
773        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
774        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
775        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
776        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
777
778        PROPERTIES_LOCATION = {
779            **generator.Generator.PROPERTIES_LOCATION,
780            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
781            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
782        }
783
784        LIMIT_FETCH = "LIMIT"
785
786        LIMIT_ONLY_LITERALS = True
787
788        CHAR_CAST_MAPPING = dict.fromkeys(
789            (
790                exp.DataType.Type.LONGTEXT,
791                exp.DataType.Type.LONGBLOB,
792                exp.DataType.Type.MEDIUMBLOB,
793                exp.DataType.Type.MEDIUMTEXT,
794                exp.DataType.Type.TEXT,
795                exp.DataType.Type.TINYBLOB,
796                exp.DataType.Type.TINYTEXT,
797                exp.DataType.Type.VARCHAR,
798            ),
799            "CHAR",
800        )
801        SIGNED_CAST_MAPPING = dict.fromkeys(
802            (
803                exp.DataType.Type.BIGINT,
804                exp.DataType.Type.BOOLEAN,
805                exp.DataType.Type.INT,
806                exp.DataType.Type.SMALLINT,
807                exp.DataType.Type.TINYINT,
808                exp.DataType.Type.MEDIUMINT,
809            ),
810            "SIGNED",
811        )
812
813        # MySQL doesn't support many datatypes in cast.
814        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
815        CAST_MAPPING = {
816            **CHAR_CAST_MAPPING,
817            **SIGNED_CAST_MAPPING,
818            exp.DataType.Type.UBIGINT: "UNSIGNED",
819        }
820
821        TIMESTAMP_FUNC_TYPES = {
822            exp.DataType.Type.TIMESTAMPTZ,
823            exp.DataType.Type.TIMESTAMPLTZ,
824        }
825
826        def dpipe_sql(self, expression: exp.DPipe) -> str:
827            return self.func("CONCAT", *expression.flatten())
828
829        def extract_sql(self, expression: exp.Extract) -> str:
830            unit = expression.name
831            if unit and unit.lower() == "epoch":
832                return self.func("UNIX_TIMESTAMP", expression.expression)
833
834            return super().extract_sql(expression)
835
836        def datatype_sql(self, expression: exp.DataType) -> str:
837            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
838            result = super().datatype_sql(expression)
839            if expression.this in self.UNSIGNED_TYPE_MAPPING:
840                result = f"{result} UNSIGNED"
841            return result
842
843        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
844            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
845
846        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
847            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
848                return self.func("TIMESTAMP", expression.this)
849
850            to = self.CAST_MAPPING.get(expression.to.this)
851
852            if to:
853                expression.to.set("this", to)
854            return super().cast_sql(expression)
855
856        def show_sql(self, expression: exp.Show) -> str:
857            this = f" {expression.name}"
858            full = " FULL" if expression.args.get("full") else ""
859            global_ = " GLOBAL" if expression.args.get("global") else ""
860
861            target = self.sql(expression, "target")
862            target = f" {target}" if target else ""
863            if expression.name in ("COLUMNS", "INDEX"):
864                target = f" FROM{target}"
865            elif expression.name == "GRANTS":
866                target = f" FOR{target}"
867
868            db = self._prefixed_sql("FROM", expression, "db")
869
870            like = self._prefixed_sql("LIKE", expression, "like")
871            where = self.sql(expression, "where")
872
873            types = self.expressions(expression, key="types")
874            types = f" {types}" if types else types
875            query = self._prefixed_sql("FOR QUERY", expression, "query")
876
877            if expression.name == "PROFILE":
878                offset = self._prefixed_sql("OFFSET", expression, "offset")
879                limit = self._prefixed_sql("LIMIT", expression, "limit")
880            else:
881                offset = ""
882                limit = self._oldstyle_limit_sql(expression)
883
884            log = self._prefixed_sql("IN", expression, "log")
885            position = self._prefixed_sql("FROM", expression, "position")
886
887            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
888
889            if expression.name == "ENGINE":
890                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
891            else:
892                mutex_or_status = ""
893
894            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
895
896        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
897            dtype = self.sql(expression, "dtype")
898            if not dtype:
899                return super().altercolumn_sql(expression)
900
901            this = self.sql(expression, "this")
902            return f"MODIFY COLUMN {this} {dtype}"
903
904        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
905            sql = self.sql(expression, arg)
906            return f" {prefix} {sql}" if sql else ""
907
908        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
909            limit = self.sql(expression, "limit")
910            offset = self.sql(expression, "offset")
911            if limit:
912                limit_offset = f"{offset}, {limit}" if offset else limit
913                return f" LIMIT {limit_offset}"
914            return ""
915
916        def chr_sql(self, expression: exp.Chr) -> str:
917            this = self.expressions(sqls=[expression.this] + expression.expressions)
918            charset = expression.args.get("charset")
919            using = f" USING {self.sql(charset)}" if charset else ""
920            return f"CHAR({this}{using})"
921
922        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
923            unit = expression.args.get("unit")
924
925            # Pick an old-enough date to avoid negative timestamp diffs
926            start_ts = "'0000-01-01 00:00:00'"
927
928            # Source: https://stackoverflow.com/a/32955740
929            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
930            interval = exp.Interval(this=timestamp_diff, unit=unit)
931            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
932
933            return self.sql(dateadd)
TIME_SPECIFIERS = {'f', 's', 'p', 'k', 'r', 'H', 'h', 'I', 'l', 'i', 'T', 'S'}
def date_add_sql( kind: str) -> Callable[[sqlglot.generator.Generator, sqlglot.expressions.Expression], str]:
128def date_add_sql(
129    kind: str,
130) -> t.Callable[[generator.Generator, exp.Expression], str]:
131    def func(self: generator.Generator, expression: exp.Expression) -> str:
132        return self.func(
133            f"DATE_{kind}",
134            expression.this,
135            exp.Interval(this=expression.expression, unit=unit_to_var(expression)),
136        )
137
138    return func
class MySQL(sqlglot.dialects.dialect.Dialect):
161class MySQL(Dialect):
162    # https://dev.mysql.com/doc/refman/8.0/en/identifiers.html
163    IDENTIFIERS_CAN_START_WITH_DIGIT = True
164
165    # We default to treating all identifiers as case-sensitive, since it matches MySQL's
166    # behavior on Linux systems. For MacOS and Windows systems, one can override this
167    # setting by specifying `dialect="mysql, normalization_strategy = lowercase"`.
168    #
169    # See also https://dev.mysql.com/doc/refman/8.2/en/identifier-case-sensitivity.html
170    NORMALIZATION_STRATEGY = NormalizationStrategy.CASE_SENSITIVE
171
172    TIME_FORMAT = "'%Y-%m-%d %T'"
173    DPIPE_IS_STRING_CONCAT = False
174    SUPPORTS_USER_DEFINED_TYPES = False
175    SUPPORTS_SEMI_ANTI_JOIN = False
176    SAFE_DIVISION = True
177
178    # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions
179    TIME_MAPPING = {
180        "%M": "%B",
181        "%c": "%-m",
182        "%e": "%-d",
183        "%h": "%I",
184        "%i": "%M",
185        "%s": "%S",
186        "%u": "%W",
187        "%k": "%-H",
188        "%l": "%-I",
189        "%T": "%H:%M:%S",
190        "%W": "%a",
191    }
192
193    class Tokenizer(tokens.Tokenizer):
194        QUOTES = ["'", '"']
195        COMMENTS = ["--", "#", ("/*", "*/")]
196        IDENTIFIERS = ["`"]
197        STRING_ESCAPES = ["'", '"', "\\"]
198        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
199        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
200
201        KEYWORDS = {
202            **tokens.Tokenizer.KEYWORDS,
203            "CHARSET": TokenType.CHARACTER_SET,
204            "FORCE": TokenType.FORCE,
205            "IGNORE": TokenType.IGNORE,
206            "LOCK TABLES": TokenType.COMMAND,
207            "LONGBLOB": TokenType.LONGBLOB,
208            "LONGTEXT": TokenType.LONGTEXT,
209            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
210            "TINYBLOB": TokenType.TINYBLOB,
211            "TINYTEXT": TokenType.TINYTEXT,
212            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
213            "MEDIUMINT": TokenType.MEDIUMINT,
214            "MEMBER OF": TokenType.MEMBER_OF,
215            "SEPARATOR": TokenType.SEPARATOR,
216            "START": TokenType.BEGIN,
217            "SIGNED": TokenType.BIGINT,
218            "SIGNED INTEGER": TokenType.BIGINT,
219            "UNLOCK TABLES": TokenType.COMMAND,
220            "UNSIGNED": TokenType.UBIGINT,
221            "UNSIGNED INTEGER": TokenType.UBIGINT,
222            "YEAR": TokenType.YEAR,
223            "_ARMSCII8": TokenType.INTRODUCER,
224            "_ASCII": TokenType.INTRODUCER,
225            "_BIG5": TokenType.INTRODUCER,
226            "_BINARY": TokenType.INTRODUCER,
227            "_CP1250": TokenType.INTRODUCER,
228            "_CP1251": TokenType.INTRODUCER,
229            "_CP1256": TokenType.INTRODUCER,
230            "_CP1257": TokenType.INTRODUCER,
231            "_CP850": TokenType.INTRODUCER,
232            "_CP852": TokenType.INTRODUCER,
233            "_CP866": TokenType.INTRODUCER,
234            "_CP932": TokenType.INTRODUCER,
235            "_DEC8": TokenType.INTRODUCER,
236            "_EUCJPMS": TokenType.INTRODUCER,
237            "_EUCKR": TokenType.INTRODUCER,
238            "_GB18030": TokenType.INTRODUCER,
239            "_GB2312": TokenType.INTRODUCER,
240            "_GBK": TokenType.INTRODUCER,
241            "_GEOSTD8": TokenType.INTRODUCER,
242            "_GREEK": TokenType.INTRODUCER,
243            "_HEBREW": TokenType.INTRODUCER,
244            "_HP8": TokenType.INTRODUCER,
245            "_KEYBCS2": TokenType.INTRODUCER,
246            "_KOI8R": TokenType.INTRODUCER,
247            "_KOI8U": TokenType.INTRODUCER,
248            "_LATIN1": TokenType.INTRODUCER,
249            "_LATIN2": TokenType.INTRODUCER,
250            "_LATIN5": TokenType.INTRODUCER,
251            "_LATIN7": TokenType.INTRODUCER,
252            "_MACCE": TokenType.INTRODUCER,
253            "_MACROMAN": TokenType.INTRODUCER,
254            "_SJIS": TokenType.INTRODUCER,
255            "_SWE7": TokenType.INTRODUCER,
256            "_TIS620": TokenType.INTRODUCER,
257            "_UCS2": TokenType.INTRODUCER,
258            "_UJIS": TokenType.INTRODUCER,
259            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
260            "_UTF8": TokenType.INTRODUCER,
261            "_UTF16": TokenType.INTRODUCER,
262            "_UTF16LE": TokenType.INTRODUCER,
263            "_UTF32": TokenType.INTRODUCER,
264            "_UTF8MB3": TokenType.INTRODUCER,
265            "_UTF8MB4": TokenType.INTRODUCER,
266            "@@": TokenType.SESSION_PARAMETER,
267        }
268
269        COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW}
270
271    class Parser(parser.Parser):
272        FUNC_TOKENS = {
273            *parser.Parser.FUNC_TOKENS,
274            TokenType.DATABASE,
275            TokenType.SCHEMA,
276            TokenType.VALUES,
277        }
278
279        CONJUNCTION = {
280            **parser.Parser.CONJUNCTION,
281            TokenType.DAMP: exp.And,
282            TokenType.XOR: exp.Xor,
283            TokenType.DPIPE: exp.Or,
284        }
285
286        TABLE_ALIAS_TOKENS = (
287            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
288        )
289
290        RANGE_PARSERS = {
291            **parser.Parser.RANGE_PARSERS,
292            TokenType.MEMBER_OF: lambda self, this: self.expression(
293                exp.JSONArrayContains,
294                this=this,
295                expression=self._parse_wrapped(self._parse_expression),
296            ),
297        }
298
299        FUNCTIONS = {
300            **parser.Parser.FUNCTIONS,
301            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
302            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
303            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
304            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
305            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
306            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
307            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
308            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
309            "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)),
310            "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"),
311            "ISNULL": isnull_to_is_null,
312            "LOCATE": locate_to_strposition,
313            "MAKETIME": exp.TimeFromParts.from_arg_list,
314            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
315            "MONTHNAME": lambda args: exp.TimeToStr(
316                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
317                format=exp.Literal.string("%B"),
318            ),
319            "STR_TO_DATE": _str_to_date,
320            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
321            "TO_DAYS": lambda args: exp.paren(
322                exp.DateDiff(
323                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
324                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
325                    unit=exp.var("DAY"),
326                )
327                + 1
328            ),
329            "WEEK": lambda args: exp.Week(
330                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
331            ),
332            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
333            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
334        }
335
336        FUNCTION_PARSERS = {
337            **parser.Parser.FUNCTION_PARSERS,
338            "CHAR": lambda self: self._parse_chr(),
339            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
340            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
341            "VALUES": lambda self: self.expression(
342                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
343            ),
344        }
345
346        STATEMENT_PARSERS = {
347            **parser.Parser.STATEMENT_PARSERS,
348            TokenType.SHOW: lambda self: self._parse_show(),
349        }
350
351        SHOW_PARSERS = {
352            "BINARY LOGS": _show_parser("BINARY LOGS"),
353            "MASTER LOGS": _show_parser("BINARY LOGS"),
354            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
355            "CHARACTER SET": _show_parser("CHARACTER SET"),
356            "CHARSET": _show_parser("CHARACTER SET"),
357            "COLLATION": _show_parser("COLLATION"),
358            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
359            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
360            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
361            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
362            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
363            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
364            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
365            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
366            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
367            "DATABASES": _show_parser("DATABASES"),
368            "SCHEMAS": _show_parser("DATABASES"),
369            "ENGINE": _show_parser("ENGINE", target=True),
370            "STORAGE ENGINES": _show_parser("ENGINES"),
371            "ENGINES": _show_parser("ENGINES"),
372            "ERRORS": _show_parser("ERRORS"),
373            "EVENTS": _show_parser("EVENTS"),
374            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
375            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
376            "GRANTS": _show_parser("GRANTS", target="FOR"),
377            "INDEX": _show_parser("INDEX", target="FROM"),
378            "MASTER STATUS": _show_parser("MASTER STATUS"),
379            "OPEN TABLES": _show_parser("OPEN TABLES"),
380            "PLUGINS": _show_parser("PLUGINS"),
381            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
382            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
383            "PRIVILEGES": _show_parser("PRIVILEGES"),
384            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
385            "PROCESSLIST": _show_parser("PROCESSLIST"),
386            "PROFILE": _show_parser("PROFILE"),
387            "PROFILES": _show_parser("PROFILES"),
388            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
389            "REPLICAS": _show_parser("REPLICAS"),
390            "SLAVE HOSTS": _show_parser("REPLICAS"),
391            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
392            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
393            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
394            "SESSION STATUS": _show_parser("STATUS"),
395            "STATUS": _show_parser("STATUS"),
396            "TABLE STATUS": _show_parser("TABLE STATUS"),
397            "FULL TABLES": _show_parser("TABLES", full=True),
398            "TABLES": _show_parser("TABLES"),
399            "TRIGGERS": _show_parser("TRIGGERS"),
400            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
401            "SESSION VARIABLES": _show_parser("VARIABLES"),
402            "VARIABLES": _show_parser("VARIABLES"),
403            "WARNINGS": _show_parser("WARNINGS"),
404        }
405
406        PROPERTY_PARSERS = {
407            **parser.Parser.PROPERTY_PARSERS,
408            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
409        }
410
411        SET_PARSERS = {
412            **parser.Parser.SET_PARSERS,
413            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
414            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
415            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
416            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
417            "NAMES": lambda self: self._parse_set_item_names(),
418        }
419
420        CONSTRAINT_PARSERS = {
421            **parser.Parser.CONSTRAINT_PARSERS,
422            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
423            "INDEX": lambda self: self._parse_index_constraint(),
424            "KEY": lambda self: self._parse_index_constraint(),
425            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
426        }
427
428        ALTER_PARSERS = {
429            **parser.Parser.ALTER_PARSERS,
430            "MODIFY": lambda self: self._parse_alter_table_alter(),
431        }
432
433        SCHEMA_UNNAMED_CONSTRAINTS = {
434            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
435            "FULLTEXT",
436            "INDEX",
437            "KEY",
438            "SPATIAL",
439        }
440
441        PROFILE_TYPES: parser.OPTIONS_TYPE = {
442            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
443            "BLOCK": ("IO",),
444            "CONTEXT": ("SWITCHES",),
445            "PAGE": ("FAULTS",),
446        }
447
448        TYPE_TOKENS = {
449            *parser.Parser.TYPE_TOKENS,
450            TokenType.SET,
451        }
452
453        ENUM_TYPE_TOKENS = {
454            *parser.Parser.ENUM_TYPE_TOKENS,
455            TokenType.SET,
456        }
457
458        LOG_DEFAULTS_TO_LN = True
459        STRING_ALIASES = True
460        VALUES_FOLLOWED_BY_PAREN = False
461        SUPPORTS_PARTITION_SELECTION = True
462
463        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
464            this = self._parse_id_var()
465            if not self._match(TokenType.L_PAREN):
466                return this
467
468            expression = self._parse_number()
469            self._match_r_paren()
470            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
471
472        def _parse_index_constraint(
473            self, kind: t.Optional[str] = None
474        ) -> exp.IndexColumnConstraint:
475            if kind:
476                self._match_texts(("INDEX", "KEY"))
477
478            this = self._parse_id_var(any_token=False)
479            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
480            expressions = self._parse_wrapped_csv(self._parse_ordered)
481
482            options = []
483            while True:
484                if self._match_text_seq("KEY_BLOCK_SIZE"):
485                    self._match(TokenType.EQ)
486                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
487                elif self._match(TokenType.USING):
488                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
489                elif self._match_text_seq("WITH", "PARSER"):
490                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
491                elif self._match(TokenType.COMMENT):
492                    opt = exp.IndexConstraintOption(comment=self._parse_string())
493                elif self._match_text_seq("VISIBLE"):
494                    opt = exp.IndexConstraintOption(visible=True)
495                elif self._match_text_seq("INVISIBLE"):
496                    opt = exp.IndexConstraintOption(visible=False)
497                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
498                    self._match(TokenType.EQ)
499                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
500                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
501                    self._match(TokenType.EQ)
502                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
503                else:
504                    opt = None
505
506                if not opt:
507                    break
508
509                options.append(opt)
510
511            return self.expression(
512                exp.IndexColumnConstraint,
513                this=this,
514                expressions=expressions,
515                kind=kind,
516                index_type=index_type,
517                options=options,
518            )
519
520        def _parse_show_mysql(
521            self,
522            this: str,
523            target: bool | str = False,
524            full: t.Optional[bool] = None,
525            global_: t.Optional[bool] = None,
526        ) -> exp.Show:
527            if target:
528                if isinstance(target, str):
529                    self._match_text_seq(target)
530                target_id = self._parse_id_var()
531            else:
532                target_id = None
533
534            log = self._parse_string() if self._match_text_seq("IN") else None
535
536            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
537                position = self._parse_number() if self._match_text_seq("FROM") else None
538                db = None
539            else:
540                position = None
541                db = None
542
543                if self._match(TokenType.FROM):
544                    db = self._parse_id_var()
545                elif self._match(TokenType.DOT):
546                    db = target_id
547                    target_id = self._parse_id_var()
548
549            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
550
551            like = self._parse_string() if self._match_text_seq("LIKE") else None
552            where = self._parse_where()
553
554            if this == "PROFILE":
555                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
556                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
557                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
558                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
559            else:
560                types, query = None, None
561                offset, limit = self._parse_oldstyle_limit()
562
563            mutex = True if self._match_text_seq("MUTEX") else None
564            mutex = False if self._match_text_seq("STATUS") else mutex
565
566            return self.expression(
567                exp.Show,
568                this=this,
569                target=target_id,
570                full=full,
571                log=log,
572                position=position,
573                db=db,
574                channel=channel,
575                like=like,
576                where=where,
577                types=types,
578                query=query,
579                offset=offset,
580                limit=limit,
581                mutex=mutex,
582                **{"global": global_},  # type: ignore
583            )
584
585        def _parse_oldstyle_limit(
586            self,
587        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
588            limit = None
589            offset = None
590            if self._match_text_seq("LIMIT"):
591                parts = self._parse_csv(self._parse_number)
592                if len(parts) == 1:
593                    limit = parts[0]
594                elif len(parts) == 2:
595                    limit = parts[1]
596                    offset = parts[0]
597
598            return offset, limit
599
600        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
601            this = self._parse_string() or self._parse_id_var()
602            return self.expression(exp.SetItem, this=this, kind=kind)
603
604        def _parse_set_item_names(self) -> exp.Expression:
605            charset = self._parse_string() or self._parse_id_var()
606            if self._match_text_seq("COLLATE"):
607                collate = self._parse_string() or self._parse_id_var()
608            else:
609                collate = None
610
611            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
612
613        def _parse_type(
614            self, parse_interval: bool = True, fallback_to_identifier: bool = False
615        ) -> t.Optional[exp.Expression]:
616            # mysql binary is special and can work anywhere, even in order by operations
617            # it operates like a no paren func
618            if self._match(TokenType.BINARY, advance=False):
619                data_type = self._parse_types(check_func=True, allow_identifiers=False)
620
621                if isinstance(data_type, exp.DataType):
622                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
623
624            return super()._parse_type(
625                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
626            )
627
628        def _parse_chr(self) -> t.Optional[exp.Expression]:
629            expressions = self._parse_csv(self._parse_conjunction)
630            kwargs: t.Dict[str, t.Any] = {"this": seq_get(expressions, 0)}
631
632            if len(expressions) > 1:
633                kwargs["expressions"] = expressions[1:]
634
635            if self._match(TokenType.USING):
636                kwargs["charset"] = self._parse_var()
637
638            return self.expression(exp.Chr, **kwargs)
639
640        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
641            def concat_exprs(
642                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
643            ) -> exp.Expression:
644                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
645                    concat_exprs = [
646                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
647                    ]
648                    node.set("expressions", concat_exprs)
649                    return node
650                if len(exprs) == 1:
651                    return exprs[0]
652                return self.expression(exp.Concat, expressions=args, safe=True)
653
654            args = self._parse_csv(self._parse_lambda)
655
656            if args:
657                order = args[-1] if isinstance(args[-1], exp.Order) else None
658
659                if order:
660                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
661                    # remove 'expr' from exp.Order and add it back to args
662                    args[-1] = order.this
663                    order.set("this", concat_exprs(order.this, args))
664
665                this = order or concat_exprs(args[0], args)
666            else:
667                this = None
668
669            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
670
671            return self.expression(exp.GroupConcat, this=this, separator=separator)
672
673    class Generator(generator.Generator):
674        LOCKING_READS_SUPPORTED = True
675        NULL_ORDERING_SUPPORTED = None
676        JOIN_HINTS = False
677        TABLE_HINTS = True
678        DUPLICATE_KEY_UPDATE_WITH_SET = False
679        QUERY_HINT_SEP = " "
680        VALUES_AS_TABLE = False
681        NVL2_SUPPORTED = False
682        LAST_DAY_SUPPORTS_DATE_PART = False
683        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
684        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
685        JSON_KEY_VALUE_PAIR_SEP = ","
686        SUPPORTS_TO_NUMBER = False
687
688        TRANSFORMS = {
689            **generator.Generator.TRANSFORMS,
690            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
691            exp.CurrentDate: no_paren_current_date_sql,
692            exp.DateDiff: _remove_ts_or_ds_to_date(
693                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
694            ),
695            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
696            exp.DateStrToDate: datestrtodate_sql,
697            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
698            exp.DateTrunc: _date_trunc_sql,
699            exp.Day: _remove_ts_or_ds_to_date(),
700            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
701            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
702            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
703            exp.GroupConcat: lambda self,
704            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
705            exp.ILike: no_ilike_sql,
706            exp.JSONExtractScalar: arrow_json_extract_sql,
707            exp.Max: max_or_greatest,
708            exp.Min: min_or_least,
709            exp.Month: _remove_ts_or_ds_to_date(),
710            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
711            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
712            exp.ParseJSON: lambda self, e: self.sql(e, "this"),
713            exp.Pivot: no_pivot_sql,
714            exp.Select: transforms.preprocess(
715                [
716                    transforms.eliminate_distinct_on,
717                    transforms.eliminate_semi_and_anti_joins,
718                    transforms.eliminate_qualify,
719                    transforms.eliminate_full_outer_join,
720                ]
721            ),
722            exp.StrPosition: strposition_to_locate_sql,
723            exp.StrToDate: _str_to_date_sql,
724            exp.StrToTime: _str_to_date_sql,
725            exp.Stuff: rename_func("INSERT"),
726            exp.TableSample: no_tablesample_sql,
727            exp.TimeFromParts: rename_func("MAKETIME"),
728            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
729            exp.TimestampDiff: lambda self, e: self.func(
730                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
731            ),
732            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
733            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
734            exp.TimeStrToTime: lambda self, e: self.sql(
735                exp.cast(e.this, exp.DataType.Type.DATETIME, copy=True)
736            ),
737            exp.TimeToStr: _remove_ts_or_ds_to_date(
738                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
739            ),
740            exp.Trim: _trim_sql,
741            exp.TryCast: no_trycast_sql,
742            exp.TsOrDsAdd: date_add_sql("ADD"),
743            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
744            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
745            exp.UnixToTime: _unix_to_time_sql,
746            exp.Week: _remove_ts_or_ds_to_date(),
747            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
748            exp.Year: _remove_ts_or_ds_to_date(),
749        }
750
751        UNSIGNED_TYPE_MAPPING = {
752            exp.DataType.Type.UBIGINT: "BIGINT",
753            exp.DataType.Type.UINT: "INT",
754            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
755            exp.DataType.Type.USMALLINT: "SMALLINT",
756            exp.DataType.Type.UTINYINT: "TINYINT",
757            exp.DataType.Type.UDECIMAL: "DECIMAL",
758        }
759
760        TIMESTAMP_TYPE_MAPPING = {
761            exp.DataType.Type.TIMESTAMP: "DATETIME",
762            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
763            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
764        }
765
766        TYPE_MAPPING = {
767            **generator.Generator.TYPE_MAPPING,
768            **UNSIGNED_TYPE_MAPPING,
769            **TIMESTAMP_TYPE_MAPPING,
770        }
771
772        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
773        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
774        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
775        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
776        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
777        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
778
779        PROPERTIES_LOCATION = {
780            **generator.Generator.PROPERTIES_LOCATION,
781            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
782            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
783        }
784
785        LIMIT_FETCH = "LIMIT"
786
787        LIMIT_ONLY_LITERALS = True
788
789        CHAR_CAST_MAPPING = dict.fromkeys(
790            (
791                exp.DataType.Type.LONGTEXT,
792                exp.DataType.Type.LONGBLOB,
793                exp.DataType.Type.MEDIUMBLOB,
794                exp.DataType.Type.MEDIUMTEXT,
795                exp.DataType.Type.TEXT,
796                exp.DataType.Type.TINYBLOB,
797                exp.DataType.Type.TINYTEXT,
798                exp.DataType.Type.VARCHAR,
799            ),
800            "CHAR",
801        )
802        SIGNED_CAST_MAPPING = dict.fromkeys(
803            (
804                exp.DataType.Type.BIGINT,
805                exp.DataType.Type.BOOLEAN,
806                exp.DataType.Type.INT,
807                exp.DataType.Type.SMALLINT,
808                exp.DataType.Type.TINYINT,
809                exp.DataType.Type.MEDIUMINT,
810            ),
811            "SIGNED",
812        )
813
814        # MySQL doesn't support many datatypes in cast.
815        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
816        CAST_MAPPING = {
817            **CHAR_CAST_MAPPING,
818            **SIGNED_CAST_MAPPING,
819            exp.DataType.Type.UBIGINT: "UNSIGNED",
820        }
821
822        TIMESTAMP_FUNC_TYPES = {
823            exp.DataType.Type.TIMESTAMPTZ,
824            exp.DataType.Type.TIMESTAMPLTZ,
825        }
826
827        def dpipe_sql(self, expression: exp.DPipe) -> str:
828            return self.func("CONCAT", *expression.flatten())
829
830        def extract_sql(self, expression: exp.Extract) -> str:
831            unit = expression.name
832            if unit and unit.lower() == "epoch":
833                return self.func("UNIX_TIMESTAMP", expression.expression)
834
835            return super().extract_sql(expression)
836
837        def datatype_sql(self, expression: exp.DataType) -> str:
838            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
839            result = super().datatype_sql(expression)
840            if expression.this in self.UNSIGNED_TYPE_MAPPING:
841                result = f"{result} UNSIGNED"
842            return result
843
844        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
845            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
846
847        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
848            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
849                return self.func("TIMESTAMP", expression.this)
850
851            to = self.CAST_MAPPING.get(expression.to.this)
852
853            if to:
854                expression.to.set("this", to)
855            return super().cast_sql(expression)
856
857        def show_sql(self, expression: exp.Show) -> str:
858            this = f" {expression.name}"
859            full = " FULL" if expression.args.get("full") else ""
860            global_ = " GLOBAL" if expression.args.get("global") else ""
861
862            target = self.sql(expression, "target")
863            target = f" {target}" if target else ""
864            if expression.name in ("COLUMNS", "INDEX"):
865                target = f" FROM{target}"
866            elif expression.name == "GRANTS":
867                target = f" FOR{target}"
868
869            db = self._prefixed_sql("FROM", expression, "db")
870
871            like = self._prefixed_sql("LIKE", expression, "like")
872            where = self.sql(expression, "where")
873
874            types = self.expressions(expression, key="types")
875            types = f" {types}" if types else types
876            query = self._prefixed_sql("FOR QUERY", expression, "query")
877
878            if expression.name == "PROFILE":
879                offset = self._prefixed_sql("OFFSET", expression, "offset")
880                limit = self._prefixed_sql("LIMIT", expression, "limit")
881            else:
882                offset = ""
883                limit = self._oldstyle_limit_sql(expression)
884
885            log = self._prefixed_sql("IN", expression, "log")
886            position = self._prefixed_sql("FROM", expression, "position")
887
888            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
889
890            if expression.name == "ENGINE":
891                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
892            else:
893                mutex_or_status = ""
894
895            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
896
897        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
898            dtype = self.sql(expression, "dtype")
899            if not dtype:
900                return super().altercolumn_sql(expression)
901
902            this = self.sql(expression, "this")
903            return f"MODIFY COLUMN {this} {dtype}"
904
905        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
906            sql = self.sql(expression, arg)
907            return f" {prefix} {sql}" if sql else ""
908
909        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
910            limit = self.sql(expression, "limit")
911            offset = self.sql(expression, "offset")
912            if limit:
913                limit_offset = f"{offset}, {limit}" if offset else limit
914                return f" LIMIT {limit_offset}"
915            return ""
916
917        def chr_sql(self, expression: exp.Chr) -> str:
918            this = self.expressions(sqls=[expression.this] + expression.expressions)
919            charset = expression.args.get("charset")
920            using = f" USING {self.sql(charset)}" if charset else ""
921            return f"CHAR({this}{using})"
922
923        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
924            unit = expression.args.get("unit")
925
926            # Pick an old-enough date to avoid negative timestamp diffs
927            start_ts = "'0000-01-01 00:00:00'"
928
929            # Source: https://stackoverflow.com/a/32955740
930            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
931            interval = exp.Interval(this=timestamp_diff, unit=unit)
932            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
933
934            return self.sql(dateadd)
IDENTIFIERS_CAN_START_WITH_DIGIT = True

Whether an unquoted identifier can start with a digit.

NORMALIZATION_STRATEGY = <NormalizationStrategy.CASE_SENSITIVE: 'CASE_SENSITIVE'>

Specifies the strategy according to which identifiers should be normalized.

TIME_FORMAT = "'%Y-%m-%d %T'"
DPIPE_IS_STRING_CONCAT = False

Whether the DPIPE token (||) is a string concatenation operator.

SUPPORTS_USER_DEFINED_TYPES = False

Whether user-defined data types are supported.

SUPPORTS_SEMI_ANTI_JOIN = False

Whether SEMI or ANTI joins are supported.

SAFE_DIVISION = True

Whether division by zero throws an error (False) or returns NULL (True).

TIME_MAPPING: Dict[str, str] = {'%M': '%B', '%c': '%-m', '%e': '%-d', '%h': '%I', '%i': '%M', '%s': '%S', '%u': '%W', '%k': '%-H', '%l': '%-I', '%T': '%H:%M:%S', '%W': '%a'}

Associates this dialect's time formats with their equivalent Python strftime formats.

UNESCAPED_SEQUENCES: Dict[str, str] = {'\\a': '\x07', '\\b': '\x08', '\\f': '\x0c', '\\n': '\n', '\\r': '\r', '\\t': '\t', '\\v': '\x0b', '\\\\': '\\'}

Mapping of an escaped sequence (\n) to its unescaped version ( ).

tokenizer_class = <class 'MySQL.Tokenizer'>
parser_class = <class 'MySQL.Parser'>
generator_class = <class 'MySQL.Generator'>
TIME_TRIE: Dict = {'%': {'M': {0: True}, 'c': {0: True}, 'e': {0: True}, 'h': {0: True}, 'i': {0: True}, 's': {0: True}, 'u': {0: True}, 'k': {0: True}, 'l': {0: True}, 'T': {0: True}, 'W': {0: True}}}
FORMAT_TRIE: Dict = {'%': {'M': {0: True}, 'c': {0: True}, 'e': {0: True}, 'h': {0: True}, 'i': {0: True}, 's': {0: True}, 'u': {0: True}, 'k': {0: True}, 'l': {0: True}, 'T': {0: True}, 'W': {0: True}}}
INVERSE_TIME_MAPPING: Dict[str, str] = {'%B': '%M', '%-m': '%c', '%-d': '%e', '%I': '%h', '%M': '%i', '%S': '%s', '%W': '%u', '%-H': '%k', '%-I': '%l', '%H:%M:%S': '%T', '%a': '%W'}
INVERSE_TIME_TRIE: Dict = {'%': {'B': {0: True}, '-': {'m': {0: True}, 'd': {0: True}, 'H': {0: True}, 'I': {0: True}}, 'I': {0: True}, 'M': {0: True}, 'S': {0: True}, 'W': {0: True}, 'H': {':': {'%': {'M': {':': {'%': {'S': {0: True}}}}}}}, 'a': {0: True}}}
ESCAPED_SEQUENCES: Dict[str, str] = {'\x07': '\\a', '\x08': '\\b', '\x0c': '\\f', '\n': '\\n', '\r': '\\r', '\t': '\\t', '\x0b': '\\v', '\\': '\\\\'}
QUOTE_START = "'"
QUOTE_END = "'"
IDENTIFIER_START = '`'
IDENTIFIER_END = '`'
BIT_START: Optional[str] = "b'"
BIT_END: Optional[str] = "'"
HEX_START: Optional[str] = "x'"
HEX_END: Optional[str] = "'"
BYTE_START: Optional[str] = None
BYTE_END: Optional[str] = None
UNICODE_START: Optional[str] = None
UNICODE_END: Optional[str] = None
class MySQL.Tokenizer(sqlglot.tokens.Tokenizer):
193    class Tokenizer(tokens.Tokenizer):
194        QUOTES = ["'", '"']
195        COMMENTS = ["--", "#", ("/*", "*/")]
196        IDENTIFIERS = ["`"]
197        STRING_ESCAPES = ["'", '"', "\\"]
198        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
199        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
200
201        KEYWORDS = {
202            **tokens.Tokenizer.KEYWORDS,
203            "CHARSET": TokenType.CHARACTER_SET,
204            "FORCE": TokenType.FORCE,
205            "IGNORE": TokenType.IGNORE,
206            "LOCK TABLES": TokenType.COMMAND,
207            "LONGBLOB": TokenType.LONGBLOB,
208            "LONGTEXT": TokenType.LONGTEXT,
209            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
210            "TINYBLOB": TokenType.TINYBLOB,
211            "TINYTEXT": TokenType.TINYTEXT,
212            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
213            "MEDIUMINT": TokenType.MEDIUMINT,
214            "MEMBER OF": TokenType.MEMBER_OF,
215            "SEPARATOR": TokenType.SEPARATOR,
216            "START": TokenType.BEGIN,
217            "SIGNED": TokenType.BIGINT,
218            "SIGNED INTEGER": TokenType.BIGINT,
219            "UNLOCK TABLES": TokenType.COMMAND,
220            "UNSIGNED": TokenType.UBIGINT,
221            "UNSIGNED INTEGER": TokenType.UBIGINT,
222            "YEAR": TokenType.YEAR,
223            "_ARMSCII8": TokenType.INTRODUCER,
224            "_ASCII": TokenType.INTRODUCER,
225            "_BIG5": TokenType.INTRODUCER,
226            "_BINARY": TokenType.INTRODUCER,
227            "_CP1250": TokenType.INTRODUCER,
228            "_CP1251": TokenType.INTRODUCER,
229            "_CP1256": TokenType.INTRODUCER,
230            "_CP1257": TokenType.INTRODUCER,
231            "_CP850": TokenType.INTRODUCER,
232            "_CP852": TokenType.INTRODUCER,
233            "_CP866": TokenType.INTRODUCER,
234            "_CP932": TokenType.INTRODUCER,
235            "_DEC8": TokenType.INTRODUCER,
236            "_EUCJPMS": TokenType.INTRODUCER,
237            "_EUCKR": TokenType.INTRODUCER,
238            "_GB18030": TokenType.INTRODUCER,
239            "_GB2312": TokenType.INTRODUCER,
240            "_GBK": TokenType.INTRODUCER,
241            "_GEOSTD8": TokenType.INTRODUCER,
242            "_GREEK": TokenType.INTRODUCER,
243            "_HEBREW": TokenType.INTRODUCER,
244            "_HP8": TokenType.INTRODUCER,
245            "_KEYBCS2": TokenType.INTRODUCER,
246            "_KOI8R": TokenType.INTRODUCER,
247            "_KOI8U": TokenType.INTRODUCER,
248            "_LATIN1": TokenType.INTRODUCER,
249            "_LATIN2": TokenType.INTRODUCER,
250            "_LATIN5": TokenType.INTRODUCER,
251            "_LATIN7": TokenType.INTRODUCER,
252            "_MACCE": TokenType.INTRODUCER,
253            "_MACROMAN": TokenType.INTRODUCER,
254            "_SJIS": TokenType.INTRODUCER,
255            "_SWE7": TokenType.INTRODUCER,
256            "_TIS620": TokenType.INTRODUCER,
257            "_UCS2": TokenType.INTRODUCER,
258            "_UJIS": TokenType.INTRODUCER,
259            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
260            "_UTF8": TokenType.INTRODUCER,
261            "_UTF16": TokenType.INTRODUCER,
262            "_UTF16LE": TokenType.INTRODUCER,
263            "_UTF32": TokenType.INTRODUCER,
264            "_UTF8MB3": TokenType.INTRODUCER,
265            "_UTF8MB4": TokenType.INTRODUCER,
266            "@@": TokenType.SESSION_PARAMETER,
267        }
268
269        COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW}
QUOTES = ["'", '"']
COMMENTS = ['--', '#', ('/*', '*/')]
IDENTIFIERS = ['`']
STRING_ESCAPES = ["'", '"', '\\']
BIT_STRINGS = [("b'", "'"), ("B'", "'"), ('0b', '')]
HEX_STRINGS = [("x'", "'"), ("X'", "'"), ('0x', '')]
KEYWORDS = {'{%': <TokenType.BLOCK_START: 'BLOCK_START'>, '{%+': <TokenType.BLOCK_START: 'BLOCK_START'>, '{%-': <TokenType.BLOCK_START: 'BLOCK_START'>, '%}': <TokenType.BLOCK_END: 'BLOCK_END'>, '+%}': <TokenType.BLOCK_END: 'BLOCK_END'>, '-%}': <TokenType.BLOCK_END: 'BLOCK_END'>, '{{+': <TokenType.BLOCK_START: 'BLOCK_START'>, '{{-': <TokenType.BLOCK_START: 'BLOCK_START'>, '+}}': <TokenType.BLOCK_END: 'BLOCK_END'>, '-}}': <TokenType.BLOCK_END: 'BLOCK_END'>, '/*+': <TokenType.HINT: 'HINT'>, '==': <TokenType.EQ: 'EQ'>, '::': <TokenType.DCOLON: 'DCOLON'>, '||': <TokenType.DPIPE: 'DPIPE'>, '>=': <TokenType.GTE: 'GTE'>, '<=': <TokenType.LTE: 'LTE'>, '<>': <TokenType.NEQ: 'NEQ'>, '!=': <TokenType.NEQ: 'NEQ'>, ':=': <TokenType.COLON_EQ: 'COLON_EQ'>, '<=>': <TokenType.NULLSAFE_EQ: 'NULLSAFE_EQ'>, '->': <TokenType.ARROW: 'ARROW'>, '->>': <TokenType.DARROW: 'DARROW'>, '=>': <TokenType.FARROW: 'FARROW'>, '#>': <TokenType.HASH_ARROW: 'HASH_ARROW'>, '#>>': <TokenType.DHASH_ARROW: 'DHASH_ARROW'>, '<->': <TokenType.LR_ARROW: 'LR_ARROW'>, '&&': <TokenType.DAMP: 'DAMP'>, '??': <TokenType.DQMARK: 'DQMARK'>, 'ALL': <TokenType.ALL: 'ALL'>, 'ALWAYS': <TokenType.ALWAYS: 'ALWAYS'>, 'AND': <TokenType.AND: 'AND'>, 'ANTI': <TokenType.ANTI: 'ANTI'>, 'ANY': <TokenType.ANY: 'ANY'>, 'ASC': <TokenType.ASC: 'ASC'>, 'AS': <TokenType.ALIAS: 'ALIAS'>, 'ASOF': <TokenType.ASOF: 'ASOF'>, 'AUTOINCREMENT': <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, 'AUTO_INCREMENT': <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, 'BEGIN': <TokenType.BEGIN: 'BEGIN'>, 'BETWEEN': <TokenType.BETWEEN: 'BETWEEN'>, 'CACHE': <TokenType.CACHE: 'CACHE'>, 'UNCACHE': <TokenType.UNCACHE: 'UNCACHE'>, 'CASE': <TokenType.CASE: 'CASE'>, 'CHARACTER SET': <TokenType.CHARACTER_SET: 'CHARACTER_SET'>, 'CLUSTER BY': <TokenType.CLUSTER_BY: 'CLUSTER_BY'>, 'COLLATE': <TokenType.COLLATE: 'COLLATE'>, 'COLUMN': <TokenType.COLUMN: 'COLUMN'>, 'COMMIT': <TokenType.COMMIT: 'COMMIT'>, 'CONNECT BY': <TokenType.CONNECT_BY: 'CONNECT_BY'>, 'CONSTRAINT': <TokenType.CONSTRAINT: 'CONSTRAINT'>, 'COPY': <TokenType.COPY: 'COPY'>, 'CREATE': <TokenType.CREATE: 'CREATE'>, 'CROSS': <TokenType.CROSS: 'CROSS'>, 'CUBE': <TokenType.CUBE: 'CUBE'>, 'CURRENT_DATE': <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, 'CURRENT_TIME': <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, 'CURRENT_TIMESTAMP': <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, 'CURRENT_USER': <TokenType.CURRENT_USER: 'CURRENT_USER'>, 'DATABASE': <TokenType.DATABASE: 'DATABASE'>, 'DEFAULT': <TokenType.DEFAULT: 'DEFAULT'>, 'DELETE': <TokenType.DELETE: 'DELETE'>, 'DESC': <TokenType.DESC: 'DESC'>, 'DESCRIBE': <TokenType.DESCRIBE: 'DESCRIBE'>, 'DISTINCT': <TokenType.DISTINCT: 'DISTINCT'>, 'DISTRIBUTE BY': <TokenType.DISTRIBUTE_BY: 'DISTRIBUTE_BY'>, 'DIV': <TokenType.DIV: 'DIV'>, 'DROP': <TokenType.DROP: 'DROP'>, 'ELSE': <TokenType.ELSE: 'ELSE'>, 'END': <TokenType.END: 'END'>, 'ENUM': <TokenType.ENUM: 'ENUM'>, 'ESCAPE': <TokenType.ESCAPE: 'ESCAPE'>, 'EXCEPT': <TokenType.EXCEPT: 'EXCEPT'>, 'EXECUTE': <TokenType.EXECUTE: 'EXECUTE'>, 'EXISTS': <TokenType.EXISTS: 'EXISTS'>, 'FALSE': <TokenType.FALSE: 'FALSE'>, 'FETCH': <TokenType.FETCH: 'FETCH'>, 'FILTER': <TokenType.FILTER: 'FILTER'>, 'FIRST': <TokenType.FIRST: 'FIRST'>, 'FULL': <TokenType.FULL: 'FULL'>, 'FUNCTION': <TokenType.FUNCTION: 'FUNCTION'>, 'FOR': <TokenType.FOR: 'FOR'>, 'FOREIGN KEY': <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, 'FORMAT': <TokenType.FORMAT: 'FORMAT'>, 'FROM': <TokenType.FROM: 'FROM'>, 'GEOGRAPHY': <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, 'GEOMETRY': <TokenType.GEOMETRY: 'GEOMETRY'>, 'GLOB': <TokenType.GLOB: 'GLOB'>, 'GROUP BY': <TokenType.GROUP_BY: 'GROUP_BY'>, 'GROUPING SETS': <TokenType.GROUPING_SETS: 'GROUPING_SETS'>, 'HAVING': <TokenType.HAVING: 'HAVING'>, 'ILIKE': <TokenType.ILIKE: 'ILIKE'>, 'IN': <TokenType.IN: 'IN'>, 'INDEX': <TokenType.INDEX: 'INDEX'>, 'INET': <TokenType.INET: 'INET'>, 'INNER': <TokenType.INNER: 'INNER'>, 'INSERT': <TokenType.INSERT: 'INSERT'>, 'INTERVAL': <TokenType.INTERVAL: 'INTERVAL'>, 'INTERSECT': <TokenType.INTERSECT: 'INTERSECT'>, 'INTO': <TokenType.INTO: 'INTO'>, 'IS': <TokenType.IS: 'IS'>, 'ISNULL': <TokenType.ISNULL: 'ISNULL'>, 'JOIN': <TokenType.JOIN: 'JOIN'>, 'KEEP': <TokenType.KEEP: 'KEEP'>, 'KILL': <TokenType.KILL: 'KILL'>, 'LATERAL': <TokenType.LATERAL: 'LATERAL'>, 'LEFT': <TokenType.LEFT: 'LEFT'>, 'LIKE': <TokenType.LIKE: 'LIKE'>, 'LIMIT': <TokenType.LIMIT: 'LIMIT'>, 'LOAD': <TokenType.LOAD: 'LOAD'>, 'LOCK': <TokenType.LOCK: 'LOCK'>, 'MERGE': <TokenType.MERGE: 'MERGE'>, 'NATURAL': <TokenType.NATURAL: 'NATURAL'>, 'NEXT': <TokenType.NEXT: 'NEXT'>, 'NOT': <TokenType.NOT: 'NOT'>, 'NOTNULL': <TokenType.NOTNULL: 'NOTNULL'>, 'NULL': <TokenType.NULL: 'NULL'>, 'OBJECT': <TokenType.OBJECT: 'OBJECT'>, 'OFFSET': <TokenType.OFFSET: 'OFFSET'>, 'ON': <TokenType.ON: 'ON'>, 'OR': <TokenType.OR: 'OR'>, 'XOR': <TokenType.XOR: 'XOR'>, 'ORDER BY': <TokenType.ORDER_BY: 'ORDER_BY'>, 'ORDINALITY': <TokenType.ORDINALITY: 'ORDINALITY'>, 'OUTER': <TokenType.OUTER: 'OUTER'>, 'OVER': <TokenType.OVER: 'OVER'>, 'OVERLAPS': <TokenType.OVERLAPS: 'OVERLAPS'>, 'OVERWRITE': <TokenType.OVERWRITE: 'OVERWRITE'>, 'PARTITION': <TokenType.PARTITION: 'PARTITION'>, 'PARTITION BY': <TokenType.PARTITION_BY: 'PARTITION_BY'>, 'PARTITIONED BY': <TokenType.PARTITION_BY: 'PARTITION_BY'>, 'PARTITIONED_BY': <TokenType.PARTITION_BY: 'PARTITION_BY'>, 'PERCENT': <TokenType.PERCENT: 'PERCENT'>, 'PIVOT': <TokenType.PIVOT: 'PIVOT'>, 'PRAGMA': <TokenType.PRAGMA: 'PRAGMA'>, 'PRIMARY KEY': <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, 'PROCEDURE': <TokenType.PROCEDURE: 'PROCEDURE'>, 'QUALIFY': <TokenType.QUALIFY: 'QUALIFY'>, 'RANGE': <TokenType.RANGE: 'RANGE'>, 'RECURSIVE': <TokenType.RECURSIVE: 'RECURSIVE'>, 'REGEXP': <TokenType.RLIKE: 'RLIKE'>, 'REPLACE': <TokenType.REPLACE: 'REPLACE'>, 'RETURNING': <TokenType.RETURNING: 'RETURNING'>, 'REFERENCES': <TokenType.REFERENCES: 'REFERENCES'>, 'RIGHT': <TokenType.RIGHT: 'RIGHT'>, 'RLIKE': <TokenType.RLIKE: 'RLIKE'>, 'ROLLBACK': <TokenType.ROLLBACK: 'ROLLBACK'>, 'ROLLUP': <TokenType.ROLLUP: 'ROLLUP'>, 'ROW': <TokenType.ROW: 'ROW'>, 'ROWS': <TokenType.ROWS: 'ROWS'>, 'SCHEMA': <TokenType.SCHEMA: 'SCHEMA'>, 'SELECT': <TokenType.SELECT: 'SELECT'>, 'SEMI': <TokenType.SEMI: 'SEMI'>, 'SET': <TokenType.SET: 'SET'>, 'SETTINGS': <TokenType.SETTINGS: 'SETTINGS'>, 'SHOW': <TokenType.SHOW: 'SHOW'>, 'SIMILAR TO': <TokenType.SIMILAR_TO: 'SIMILAR_TO'>, 'SOME': <TokenType.SOME: 'SOME'>, 'SORT BY': <TokenType.SORT_BY: 'SORT_BY'>, 'START WITH': <TokenType.START_WITH: 'START_WITH'>, 'TABLE': <TokenType.TABLE: 'TABLE'>, 'TABLESAMPLE': <TokenType.TABLE_SAMPLE: 'TABLE_SAMPLE'>, 'TEMP': <TokenType.TEMPORARY: 'TEMPORARY'>, 'TEMPORARY': <TokenType.TEMPORARY: 'TEMPORARY'>, 'THEN': <TokenType.THEN: 'THEN'>, 'TRUE': <TokenType.TRUE: 'TRUE'>, 'TRUNCATE': <TokenType.TRUNCATE: 'TRUNCATE'>, 'UNION': <TokenType.UNION: 'UNION'>, 'UNKNOWN': <TokenType.UNKNOWN: 'UNKNOWN'>, 'UNNEST': <TokenType.UNNEST: 'UNNEST'>, 'UNPIVOT': <TokenType.UNPIVOT: 'UNPIVOT'>, 'UPDATE': <TokenType.UPDATE: 'UPDATE'>, 'USE': <TokenType.USE: 'USE'>, 'USING': <TokenType.USING: 'USING'>, 'UUID': <TokenType.UUID: 'UUID'>, 'VALUES': <TokenType.VALUES: 'VALUES'>, 'VIEW': <TokenType.VIEW: 'VIEW'>, 'VOLATILE': <TokenType.VOLATILE: 'VOLATILE'>, 'WHEN': <TokenType.WHEN: 'WHEN'>, 'WHERE': <TokenType.WHERE: 'WHERE'>, 'WINDOW': <TokenType.WINDOW: 'WINDOW'>, 'WITH': <TokenType.WITH: 'WITH'>, 'APPLY': <TokenType.APPLY: 'APPLY'>, 'ARRAY': <TokenType.ARRAY: 'ARRAY'>, 'BIT': <TokenType.BIT: 'BIT'>, 'BOOL': <TokenType.BOOLEAN: 'BOOLEAN'>, 'BOOLEAN': <TokenType.BOOLEAN: 'BOOLEAN'>, 'BYTE': <TokenType.TINYINT: 'TINYINT'>, 'MEDIUMINT': <TokenType.MEDIUMINT: 'MEDIUMINT'>, 'INT1': <TokenType.TINYINT: 'TINYINT'>, 'TINYINT': <TokenType.TINYINT: 'TINYINT'>, 'INT16': <TokenType.SMALLINT: 'SMALLINT'>, 'SHORT': <TokenType.SMALLINT: 'SMALLINT'>, 'SMALLINT': <TokenType.SMALLINT: 'SMALLINT'>, 'INT128': <TokenType.INT128: 'INT128'>, 'HUGEINT': <TokenType.INT128: 'INT128'>, 'INT2': <TokenType.SMALLINT: 'SMALLINT'>, 'INTEGER': <TokenType.INT: 'INT'>, 'INT': <TokenType.INT: 'INT'>, 'INT4': <TokenType.INT: 'INT'>, 'INT32': <TokenType.INT: 'INT'>, 'INT64': <TokenType.BIGINT: 'BIGINT'>, 'LONG': <TokenType.BIGINT: 'BIGINT'>, 'BIGINT': <TokenType.BIGINT: 'BIGINT'>, 'INT8': <TokenType.TINYINT: 'TINYINT'>, 'UINT': <TokenType.UINT: 'UINT'>, 'DEC': <TokenType.DECIMAL: 'DECIMAL'>, 'DECIMAL': <TokenType.DECIMAL: 'DECIMAL'>, 'BIGDECIMAL': <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, 'BIGNUMERIC': <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, 'MAP': <TokenType.MAP: 'MAP'>, 'NULLABLE': <TokenType.NULLABLE: 'NULLABLE'>, 'NUMBER': <TokenType.DECIMAL: 'DECIMAL'>, 'NUMERIC': <TokenType.DECIMAL: 'DECIMAL'>, 'FIXED': <TokenType.DECIMAL: 'DECIMAL'>, 'REAL': <TokenType.FLOAT: 'FLOAT'>, 'FLOAT': <TokenType.FLOAT: 'FLOAT'>, 'FLOAT4': <TokenType.FLOAT: 'FLOAT'>, 'FLOAT8': <TokenType.DOUBLE: 'DOUBLE'>, 'DOUBLE': <TokenType.DOUBLE: 'DOUBLE'>, 'DOUBLE PRECISION': <TokenType.DOUBLE: 'DOUBLE'>, 'JSON': <TokenType.JSON: 'JSON'>, 'CHAR': <TokenType.CHAR: 'CHAR'>, 'CHARACTER': <TokenType.CHAR: 'CHAR'>, 'NCHAR': <TokenType.NCHAR: 'NCHAR'>, 'VARCHAR': <TokenType.VARCHAR: 'VARCHAR'>, 'VARCHAR2': <TokenType.VARCHAR: 'VARCHAR'>, 'NVARCHAR': <TokenType.NVARCHAR: 'NVARCHAR'>, 'NVARCHAR2': <TokenType.NVARCHAR: 'NVARCHAR'>, 'BPCHAR': <TokenType.BPCHAR: 'BPCHAR'>, 'STR': <TokenType.TEXT: 'TEXT'>, 'STRING': <TokenType.TEXT: 'TEXT'>, 'TEXT': <TokenType.TEXT: 'TEXT'>, 'LONGTEXT': <TokenType.LONGTEXT: 'LONGTEXT'>, 'MEDIUMTEXT': <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, 'TINYTEXT': <TokenType.TINYTEXT: 'TINYTEXT'>, 'CLOB': <TokenType.TEXT: 'TEXT'>, 'LONGVARCHAR': <TokenType.TEXT: 'TEXT'>, 'BINARY': <TokenType.BINARY: 'BINARY'>, 'BLOB': <TokenType.VARBINARY: 'VARBINARY'>, 'LONGBLOB': <TokenType.LONGBLOB: 'LONGBLOB'>, 'MEDIUMBLOB': <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, 'TINYBLOB': <TokenType.TINYBLOB: 'TINYBLOB'>, 'BYTEA': <TokenType.VARBINARY: 'VARBINARY'>, 'VARBINARY': <TokenType.VARBINARY: 'VARBINARY'>, 'TIME': <TokenType.TIME: 'TIME'>, 'TIMETZ': <TokenType.TIMETZ: 'TIMETZ'>, 'TIMESTAMP': <TokenType.TIMESTAMP: 'TIMESTAMP'>, 'TIMESTAMPTZ': <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, 'TIMESTAMPLTZ': <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, 'TIMESTAMP_LTZ': <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, 'TIMESTAMPNTZ': <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, 'TIMESTAMP_NTZ': <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, 'DATE': <TokenType.DATE: 'DATE'>, 'DATETIME': <TokenType.DATETIME: 'DATETIME'>, 'INT4RANGE': <TokenType.INT4RANGE: 'INT4RANGE'>, 'INT4MULTIRANGE': <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, 'INT8RANGE': <TokenType.INT8RANGE: 'INT8RANGE'>, 'INT8MULTIRANGE': <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, 'NUMRANGE': <TokenType.NUMRANGE: 'NUMRANGE'>, 'NUMMULTIRANGE': <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, 'TSRANGE': <TokenType.TSRANGE: 'TSRANGE'>, 'TSMULTIRANGE': <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, 'TSTZRANGE': <TokenType.TSTZRANGE: 'TSTZRANGE'>, 'TSTZMULTIRANGE': <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, 'DATERANGE': <TokenType.DATERANGE: 'DATERANGE'>, 'DATEMULTIRANGE': <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, 'UNIQUE': <TokenType.UNIQUE: 'UNIQUE'>, 'STRUCT': <TokenType.STRUCT: 'STRUCT'>, 'SEQUENCE': <TokenType.SEQUENCE: 'SEQUENCE'>, 'VARIANT': <TokenType.VARIANT: 'VARIANT'>, 'ALTER': <TokenType.ALTER: 'ALTER'>, 'ANALYZE': <TokenType.COMMAND: 'COMMAND'>, 'CALL': <TokenType.COMMAND: 'COMMAND'>, 'COMMENT': <TokenType.COMMENT: 'COMMENT'>, 'EXPLAIN': <TokenType.COMMAND: 'COMMAND'>, 'GRANT': <TokenType.COMMAND: 'COMMAND'>, 'OPTIMIZE': <TokenType.COMMAND: 'COMMAND'>, 'PREPARE': <TokenType.COMMAND: 'COMMAND'>, 'VACUUM': <TokenType.COMMAND: 'COMMAND'>, 'USER-DEFINED': <TokenType.USERDEFINED: 'USERDEFINED'>, 'FOR VERSION': <TokenType.VERSION_SNAPSHOT: 'VERSION_SNAPSHOT'>, 'FOR TIMESTAMP': <TokenType.TIMESTAMP_SNAPSHOT: 'TIMESTAMP_SNAPSHOT'>, 'CHARSET': <TokenType.CHARACTER_SET: 'CHARACTER_SET'>, 'FORCE': <TokenType.FORCE: 'FORCE'>, 'IGNORE': <TokenType.IGNORE: 'IGNORE'>, 'LOCK TABLES': <TokenType.COMMAND: 'COMMAND'>, 'MEMBER OF': <TokenType.MEMBER_OF: 'MEMBER_OF'>, 'SEPARATOR': <TokenType.SEPARATOR: 'SEPARATOR'>, 'START': <TokenType.BEGIN: 'BEGIN'>, 'SIGNED': <TokenType.BIGINT: 'BIGINT'>, 'SIGNED INTEGER': <TokenType.BIGINT: 'BIGINT'>, 'UNLOCK TABLES': <TokenType.COMMAND: 'COMMAND'>, 'UNSIGNED': <TokenType.UBIGINT: 'UBIGINT'>, 'UNSIGNED INTEGER': <TokenType.UBIGINT: 'UBIGINT'>, 'YEAR': <TokenType.YEAR: 'YEAR'>, '_ARMSCII8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_ASCII': <TokenType.INTRODUCER: 'INTRODUCER'>, '_BIG5': <TokenType.INTRODUCER: 'INTRODUCER'>, '_BINARY': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1250': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1251': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1256': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1257': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP850': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP852': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP866': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP932': <TokenType.INTRODUCER: 'INTRODUCER'>, '_DEC8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_EUCJPMS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_EUCKR': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GB18030': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GB2312': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GBK': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GEOSTD8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GREEK': <TokenType.INTRODUCER: 'INTRODUCER'>, '_HEBREW': <TokenType.INTRODUCER: 'INTRODUCER'>, '_HP8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KEYBCS2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KOI8R': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KOI8U': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN1': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN5': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN7': <TokenType.INTRODUCER: 'INTRODUCER'>, '_MACCE': <TokenType.INTRODUCER: 'INTRODUCER'>, '_MACROMAN': <TokenType.INTRODUCER: 'INTRODUCER'>, '_SJIS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_SWE7': <TokenType.INTRODUCER: 'INTRODUCER'>, '_TIS620': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UCS2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UJIS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF16': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF16LE': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF32': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8MB3': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8MB4': <TokenType.INTRODUCER: 'INTRODUCER'>, '@@': <TokenType.SESSION_PARAMETER: 'SESSION_PARAMETER'>}
COMMANDS = {<TokenType.REPLACE: 'REPLACE'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.FETCH: 'FETCH'>, <TokenType.COMMAND: 'COMMAND'>}
class MySQL.Parser(sqlglot.parser.Parser):
271    class Parser(parser.Parser):
272        FUNC_TOKENS = {
273            *parser.Parser.FUNC_TOKENS,
274            TokenType.DATABASE,
275            TokenType.SCHEMA,
276            TokenType.VALUES,
277        }
278
279        CONJUNCTION = {
280            **parser.Parser.CONJUNCTION,
281            TokenType.DAMP: exp.And,
282            TokenType.XOR: exp.Xor,
283            TokenType.DPIPE: exp.Or,
284        }
285
286        TABLE_ALIAS_TOKENS = (
287            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
288        )
289
290        RANGE_PARSERS = {
291            **parser.Parser.RANGE_PARSERS,
292            TokenType.MEMBER_OF: lambda self, this: self.expression(
293                exp.JSONArrayContains,
294                this=this,
295                expression=self._parse_wrapped(self._parse_expression),
296            ),
297        }
298
299        FUNCTIONS = {
300            **parser.Parser.FUNCTIONS,
301            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
302            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
303            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
304            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
305            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
306            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
307            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
308            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
309            "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)),
310            "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"),
311            "ISNULL": isnull_to_is_null,
312            "LOCATE": locate_to_strposition,
313            "MAKETIME": exp.TimeFromParts.from_arg_list,
314            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
315            "MONTHNAME": lambda args: exp.TimeToStr(
316                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
317                format=exp.Literal.string("%B"),
318            ),
319            "STR_TO_DATE": _str_to_date,
320            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
321            "TO_DAYS": lambda args: exp.paren(
322                exp.DateDiff(
323                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
324                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
325                    unit=exp.var("DAY"),
326                )
327                + 1
328            ),
329            "WEEK": lambda args: exp.Week(
330                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
331            ),
332            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
333            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
334        }
335
336        FUNCTION_PARSERS = {
337            **parser.Parser.FUNCTION_PARSERS,
338            "CHAR": lambda self: self._parse_chr(),
339            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
340            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
341            "VALUES": lambda self: self.expression(
342                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
343            ),
344        }
345
346        STATEMENT_PARSERS = {
347            **parser.Parser.STATEMENT_PARSERS,
348            TokenType.SHOW: lambda self: self._parse_show(),
349        }
350
351        SHOW_PARSERS = {
352            "BINARY LOGS": _show_parser("BINARY LOGS"),
353            "MASTER LOGS": _show_parser("BINARY LOGS"),
354            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
355            "CHARACTER SET": _show_parser("CHARACTER SET"),
356            "CHARSET": _show_parser("CHARACTER SET"),
357            "COLLATION": _show_parser("COLLATION"),
358            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
359            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
360            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
361            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
362            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
363            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
364            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
365            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
366            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
367            "DATABASES": _show_parser("DATABASES"),
368            "SCHEMAS": _show_parser("DATABASES"),
369            "ENGINE": _show_parser("ENGINE", target=True),
370            "STORAGE ENGINES": _show_parser("ENGINES"),
371            "ENGINES": _show_parser("ENGINES"),
372            "ERRORS": _show_parser("ERRORS"),
373            "EVENTS": _show_parser("EVENTS"),
374            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
375            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
376            "GRANTS": _show_parser("GRANTS", target="FOR"),
377            "INDEX": _show_parser("INDEX", target="FROM"),
378            "MASTER STATUS": _show_parser("MASTER STATUS"),
379            "OPEN TABLES": _show_parser("OPEN TABLES"),
380            "PLUGINS": _show_parser("PLUGINS"),
381            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
382            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
383            "PRIVILEGES": _show_parser("PRIVILEGES"),
384            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
385            "PROCESSLIST": _show_parser("PROCESSLIST"),
386            "PROFILE": _show_parser("PROFILE"),
387            "PROFILES": _show_parser("PROFILES"),
388            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
389            "REPLICAS": _show_parser("REPLICAS"),
390            "SLAVE HOSTS": _show_parser("REPLICAS"),
391            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
392            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
393            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
394            "SESSION STATUS": _show_parser("STATUS"),
395            "STATUS": _show_parser("STATUS"),
396            "TABLE STATUS": _show_parser("TABLE STATUS"),
397            "FULL TABLES": _show_parser("TABLES", full=True),
398            "TABLES": _show_parser("TABLES"),
399            "TRIGGERS": _show_parser("TRIGGERS"),
400            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
401            "SESSION VARIABLES": _show_parser("VARIABLES"),
402            "VARIABLES": _show_parser("VARIABLES"),
403            "WARNINGS": _show_parser("WARNINGS"),
404        }
405
406        PROPERTY_PARSERS = {
407            **parser.Parser.PROPERTY_PARSERS,
408            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
409        }
410
411        SET_PARSERS = {
412            **parser.Parser.SET_PARSERS,
413            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
414            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
415            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
416            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
417            "NAMES": lambda self: self._parse_set_item_names(),
418        }
419
420        CONSTRAINT_PARSERS = {
421            **parser.Parser.CONSTRAINT_PARSERS,
422            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
423            "INDEX": lambda self: self._parse_index_constraint(),
424            "KEY": lambda self: self._parse_index_constraint(),
425            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
426        }
427
428        ALTER_PARSERS = {
429            **parser.Parser.ALTER_PARSERS,
430            "MODIFY": lambda self: self._parse_alter_table_alter(),
431        }
432
433        SCHEMA_UNNAMED_CONSTRAINTS = {
434            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
435            "FULLTEXT",
436            "INDEX",
437            "KEY",
438            "SPATIAL",
439        }
440
441        PROFILE_TYPES: parser.OPTIONS_TYPE = {
442            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
443            "BLOCK": ("IO",),
444            "CONTEXT": ("SWITCHES",),
445            "PAGE": ("FAULTS",),
446        }
447
448        TYPE_TOKENS = {
449            *parser.Parser.TYPE_TOKENS,
450            TokenType.SET,
451        }
452
453        ENUM_TYPE_TOKENS = {
454            *parser.Parser.ENUM_TYPE_TOKENS,
455            TokenType.SET,
456        }
457
458        LOG_DEFAULTS_TO_LN = True
459        STRING_ALIASES = True
460        VALUES_FOLLOWED_BY_PAREN = False
461        SUPPORTS_PARTITION_SELECTION = True
462
463        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
464            this = self._parse_id_var()
465            if not self._match(TokenType.L_PAREN):
466                return this
467
468            expression = self._parse_number()
469            self._match_r_paren()
470            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
471
472        def _parse_index_constraint(
473            self, kind: t.Optional[str] = None
474        ) -> exp.IndexColumnConstraint:
475            if kind:
476                self._match_texts(("INDEX", "KEY"))
477
478            this = self._parse_id_var(any_token=False)
479            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
480            expressions = self._parse_wrapped_csv(self._parse_ordered)
481
482            options = []
483            while True:
484                if self._match_text_seq("KEY_BLOCK_SIZE"):
485                    self._match(TokenType.EQ)
486                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
487                elif self._match(TokenType.USING):
488                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
489                elif self._match_text_seq("WITH", "PARSER"):
490                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
491                elif self._match(TokenType.COMMENT):
492                    opt = exp.IndexConstraintOption(comment=self._parse_string())
493                elif self._match_text_seq("VISIBLE"):
494                    opt = exp.IndexConstraintOption(visible=True)
495                elif self._match_text_seq("INVISIBLE"):
496                    opt = exp.IndexConstraintOption(visible=False)
497                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
498                    self._match(TokenType.EQ)
499                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
500                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
501                    self._match(TokenType.EQ)
502                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
503                else:
504                    opt = None
505
506                if not opt:
507                    break
508
509                options.append(opt)
510
511            return self.expression(
512                exp.IndexColumnConstraint,
513                this=this,
514                expressions=expressions,
515                kind=kind,
516                index_type=index_type,
517                options=options,
518            )
519
520        def _parse_show_mysql(
521            self,
522            this: str,
523            target: bool | str = False,
524            full: t.Optional[bool] = None,
525            global_: t.Optional[bool] = None,
526        ) -> exp.Show:
527            if target:
528                if isinstance(target, str):
529                    self._match_text_seq(target)
530                target_id = self._parse_id_var()
531            else:
532                target_id = None
533
534            log = self._parse_string() if self._match_text_seq("IN") else None
535
536            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
537                position = self._parse_number() if self._match_text_seq("FROM") else None
538                db = None
539            else:
540                position = None
541                db = None
542
543                if self._match(TokenType.FROM):
544                    db = self._parse_id_var()
545                elif self._match(TokenType.DOT):
546                    db = target_id
547                    target_id = self._parse_id_var()
548
549            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
550
551            like = self._parse_string() if self._match_text_seq("LIKE") else None
552            where = self._parse_where()
553
554            if this == "PROFILE":
555                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
556                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
557                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
558                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
559            else:
560                types, query = None, None
561                offset, limit = self._parse_oldstyle_limit()
562
563            mutex = True if self._match_text_seq("MUTEX") else None
564            mutex = False if self._match_text_seq("STATUS") else mutex
565
566            return self.expression(
567                exp.Show,
568                this=this,
569                target=target_id,
570                full=full,
571                log=log,
572                position=position,
573                db=db,
574                channel=channel,
575                like=like,
576                where=where,
577                types=types,
578                query=query,
579                offset=offset,
580                limit=limit,
581                mutex=mutex,
582                **{"global": global_},  # type: ignore
583            )
584
585        def _parse_oldstyle_limit(
586            self,
587        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
588            limit = None
589            offset = None
590            if self._match_text_seq("LIMIT"):
591                parts = self._parse_csv(self._parse_number)
592                if len(parts) == 1:
593                    limit = parts[0]
594                elif len(parts) == 2:
595                    limit = parts[1]
596                    offset = parts[0]
597
598            return offset, limit
599
600        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
601            this = self._parse_string() or self._parse_id_var()
602            return self.expression(exp.SetItem, this=this, kind=kind)
603
604        def _parse_set_item_names(self) -> exp.Expression:
605            charset = self._parse_string() or self._parse_id_var()
606            if self._match_text_seq("COLLATE"):
607                collate = self._parse_string() or self._parse_id_var()
608            else:
609                collate = None
610
611            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
612
613        def _parse_type(
614            self, parse_interval: bool = True, fallback_to_identifier: bool = False
615        ) -> t.Optional[exp.Expression]:
616            # mysql binary is special and can work anywhere, even in order by operations
617            # it operates like a no paren func
618            if self._match(TokenType.BINARY, advance=False):
619                data_type = self._parse_types(check_func=True, allow_identifiers=False)
620
621                if isinstance(data_type, exp.DataType):
622                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
623
624            return super()._parse_type(
625                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
626            )
627
628        def _parse_chr(self) -> t.Optional[exp.Expression]:
629            expressions = self._parse_csv(self._parse_conjunction)
630            kwargs: t.Dict[str, t.Any] = {"this": seq_get(expressions, 0)}
631
632            if len(expressions) > 1:
633                kwargs["expressions"] = expressions[1:]
634
635            if self._match(TokenType.USING):
636                kwargs["charset"] = self._parse_var()
637
638            return self.expression(exp.Chr, **kwargs)
639
640        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
641            def concat_exprs(
642                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
643            ) -> exp.Expression:
644                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
645                    concat_exprs = [
646                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
647                    ]
648                    node.set("expressions", concat_exprs)
649                    return node
650                if len(exprs) == 1:
651                    return exprs[0]
652                return self.expression(exp.Concat, expressions=args, safe=True)
653
654            args = self._parse_csv(self._parse_lambda)
655
656            if args:
657                order = args[-1] if isinstance(args[-1], exp.Order) else None
658
659                if order:
660                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
661                    # remove 'expr' from exp.Order and add it back to args
662                    args[-1] = order.this
663                    order.set("this", concat_exprs(order.this, args))
664
665                this = order or concat_exprs(args[0], args)
666            else:
667                this = None
668
669            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
670
671            return self.expression(exp.GroupConcat, this=this, separator=separator)

Parser consumes a list of tokens produced by the Tokenizer and produces a parsed syntax tree.

Arguments:
  • error_level: The desired error level. Default: ErrorLevel.IMMEDIATE
  • error_message_context: The amount of context to capture from a query string when displaying the error message (in number of characters). Default: 100
  • max_errors: Maximum number of error messages to include in a raised ParseError. This is only relevant if error_level is ErrorLevel.RAISE. Default: 3
FUNC_TOKENS = {<TokenType.MONEY: 'MONEY'>, <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.DATE32: 'DATE32'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.INDEX: 'INDEX'>, <TokenType.UINT256: 'UINT256'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.INT128: 'INT128'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.RLIKE: 'RLIKE'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.INT256: 'INT256'>, <TokenType.GLOB: 'GLOB'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.NULL: 'NULL'>, <TokenType.XOR: 'XOR'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.DATE: 'DATE'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.MERGE: 'MERGE'>, <TokenType.FIRST: 'FIRST'>, <TokenType.BINARY: 'BINARY'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.WINDOW: 'WINDOW'>, <TokenType.RIGHT: 'RIGHT'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.BIT: 'BIT'>, <TokenType.UINT: 'UINT'>, <TokenType.ILIKE: 'ILIKE'>, <TokenType.UUID: 'UUID'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.LEFT: 'LEFT'>, <TokenType.SUPER: 'SUPER'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.VAR: 'VAR'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.UINT128: 'UINT128'>, <TokenType.MAP: 'MAP'>, <TokenType.IPV4: 'IPV4'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.RANGE: 'RANGE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.ENUM: 'ENUM'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.TEXT: 'TEXT'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.INT: 'INT'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.LIKE: 'LIKE'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.XML: 'XML'>, <TokenType.JSON: 'JSON'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.TIME: 'TIME'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.NESTED: 'NESTED'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.OFFSET: 'OFFSET'>, <TokenType.INSERT: 'INSERT'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.ANY: 'ANY'>, <TokenType.VALUES: 'VALUES'>, <TokenType.INET: 'INET'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.ALL: 'ALL'>, <TokenType.NAME: 'NAME'>, <TokenType.SOME: 'SOME'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.YEAR: 'YEAR'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.FILTER: 'FILTER'>, <TokenType.JSONB: 'JSONB'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.CHAR: 'CHAR'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.ROW: 'ROW'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.TABLE: 'TABLE'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.IPV6: 'IPV6'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.TINYBLOB: 'TINYBLOB'>}
CONJUNCTION = {<TokenType.AND: 'AND'>: <class 'sqlglot.expressions.And'>, <TokenType.OR: 'OR'>: <class 'sqlglot.expressions.Or'>, <TokenType.DAMP: 'DAMP'>: <class 'sqlglot.expressions.And'>, <TokenType.XOR: 'XOR'>: <class 'sqlglot.expressions.Xor'>, <TokenType.DPIPE: 'DPIPE'>: <class 'sqlglot.expressions.Or'>}
TABLE_ALIAS_TOKENS = {<TokenType.KILL: 'KILL'>, <TokenType.MONEY: 'MONEY'>, <TokenType.COPY: 'COPY'>, <TokenType.PERCENT: 'PERCENT'>, <TokenType.TAG: 'TAG'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.VOLATILE: 'VOLATILE'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.ASC: 'ASC'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.TEMPORARY: 'TEMPORARY'>, <TokenType.PROCEDURE: 'PROCEDURE'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.DATE32: 'DATE32'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.ANTI: 'ANTI'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.VIEW: 'VIEW'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.BEGIN: 'BEGIN'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.INDEX: 'INDEX'>, <TokenType.PARTITION: 'PARTITION'>, <TokenType.UINT256: 'UINT256'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.CACHE: 'CACHE'>, <TokenType.OPERATOR: 'OPERATOR'>, <TokenType.COLUMN: 'COLUMN'>, <TokenType.INT128: 'INT128'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.UNPIVOT: 'UNPIVOT'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.INT256: 'INT256'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.COMMIT: 'COMMIT'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.NULL: 'NULL'>, <TokenType.RECURSIVE: 'RECURSIVE'>, <TokenType.SET: 'SET'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.REFRESH: 'REFRESH'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.SHOW: 'SHOW'>, <TokenType.DEFAULT: 'DEFAULT'>, <TokenType.DATE: 'DATE'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.MERGE: 'MERGE'>, <TokenType.FIRST: 'FIRST'>, <TokenType.BINARY: 'BINARY'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.PRAGMA: 'PRAGMA'>, <TokenType.STORAGE_INTEGRATION: 'STORAGE_INTEGRATION'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.BIT: 'BIT'>, <TokenType.UINT: 'UINT'>, <TokenType.UUID: 'UUID'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.FALSE: 'FALSE'>, <TokenType.FUNCTION: 'FUNCTION'>, <TokenType.TOP: 'TOP'>, <TokenType.SUPER: 'SUPER'>, <TokenType.CASE: 'CASE'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.ROLLUP: 'ROLLUP'>, <TokenType.VAR: 'VAR'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.LOAD: 'LOAD'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.KEEP: 'KEEP'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.UINT128: 'UINT128'>, <TokenType.END: 'END'>, <TokenType.MAP: 'MAP'>, <TokenType.IPV4: 'IPV4'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.REFERENCES: 'REFERENCES'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.RANGE: 'RANGE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.TRUE: 'TRUE'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.ENUM: 'ENUM'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.OVERLAPS: 'OVERLAPS'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.UNIQUE: 'UNIQUE'>, <TokenType.ORDINALITY: 'ORDINALITY'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.TEXT: 'TEXT'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.NEXT: 'NEXT'>, <TokenType.INT: 'INT'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.IS: 'IS'>, <TokenType.CONSTRAINT: 'CONSTRAINT'>, <TokenType.FINAL: 'FINAL'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.SETTINGS: 'SETTINGS'>, <TokenType.ROWS: 'ROWS'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.XML: 'XML'>, <TokenType.JSON: 'JSON'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.DELETE: 'DELETE'>, <TokenType.TIME: 'TIME'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.NESTED: 'NESTED'>, <TokenType.SEMI: 'SEMI'>, <TokenType.DESC: 'DESC'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.ANY: 'ANY'>, <TokenType.DIV: 'DIV'>, <TokenType.DICTIONARY: 'DICTIONARY'>, <TokenType.INET: 'INET'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.COMMENT: 'COMMENT'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.ALL: 'ALL'>, <TokenType.NAME: 'NAME'>, <TokenType.SOME: 'SOME'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.YEAR: 'YEAR'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.OVERWRITE: 'OVERWRITE'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.FILTER: 'FILTER'>, <TokenType.JSONB: 'JSONB'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.CHAR: 'CHAR'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.ROW: 'ROW'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.TABLE: 'TABLE'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.ESCAPE: 'ESCAPE'>, <TokenType.PIVOT: 'PIVOT'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.UPDATE: 'UPDATE'>, <TokenType.MODEL: 'MODEL'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.DESCRIBE: 'DESCRIBE'>, <TokenType.IPV6: 'IPV6'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.TINYBLOB: 'TINYBLOB'>}
RANGE_PARSERS = {<TokenType.BETWEEN: 'BETWEEN'>: <function Parser.<lambda>>, <TokenType.GLOB: 'GLOB'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.ILIKE: 'ILIKE'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.IN: 'IN'>: <function Parser.<lambda>>, <TokenType.IRLIKE: 'IRLIKE'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.IS: 'IS'>: <function Parser.<lambda>>, <TokenType.LIKE: 'LIKE'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.OVERLAPS: 'OVERLAPS'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.RLIKE: 'RLIKE'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.SIMILAR_TO: 'SIMILAR_TO'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.FOR: 'FOR'>: <function Parser.<lambda>>, <TokenType.MEMBER_OF: 'MEMBER_OF'>: <function MySQL.Parser.<lambda>>}
FUNCTIONS = {'ABS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Abs'>>, 'ADD_MONTHS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.AddMonths'>>, 'ANONYMOUS_AGG_FUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.AnonymousAggFunc'>>, 'ANY_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.AnyValue'>>, 'APPROX_DISTINCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxDistinct'>>, 'APPROX_COUNT_DISTINCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxDistinct'>>, 'APPROX_QUANTILE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxQuantile'>>, 'APPROX_TOP_K': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxTopK'>>, 'ARG_MAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'ARGMAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'MAX_BY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'ARG_MIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'ARGMIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'MIN_BY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Array'>>, 'ARRAY_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAgg'>>, 'ARRAY_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAll'>>, 'ARRAY_ANY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAny'>>, 'ARRAY_CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CONSTRUCT_COMPACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConstructCompact'>>, 'ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContains'>>, 'FILTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayFilter'>>, 'ARRAY_FILTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayFilter'>>, 'ARRAY_OVERLAPS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayOverlaps'>>, 'ARRAY_SIZE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySize'>>, 'ARRAY_LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySize'>>, 'ARRAY_SORT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySort'>>, 'ARRAY_SUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySum'>>, 'ARRAY_TO_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayToString'>>, 'ARRAY_JOIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayToString'>>, 'ARRAY_UNION_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayUnionAgg'>>, 'ARRAY_UNIQUE_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayUniqueAgg'>>, 'AVG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Avg'>>, 'CASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Case'>>, 'CAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Cast'>>, 'CAST_TO_STR_TYPE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CastToStrType'>>, 'CBRT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Cbrt'>>, 'CEIL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ceil'>>, 'CEILING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ceil'>>, 'CHR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Chr'>>, 'CHAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Chr'>>, 'COALESCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Coalesce'>>, 'IFNULL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Coalesce'>>, 'NVL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Coalesce'>>, 'COLLATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Collate'>>, 'COMBINED_AGG_FUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CombinedAggFunc'>>, 'COMBINED_PARAMETERIZED_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CombinedParameterizedAgg'>>, 'CONCAT': <function Parser.<lambda>>, 'CONCAT_WS': <function Parser.<lambda>>, 'CONNECT_BY_ROOT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ConnectByRoot'>>, 'CONVERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Convert'>>, 'CORR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Corr'>>, 'COUNT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Count'>>, 'COUNT_IF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CountIf'>>, 'COUNTIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CountIf'>>, 'COVAR_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CovarPop'>>, 'COVAR_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CovarSamp'>>, 'CURRENT_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentDate'>>, 'CURRENT_DATETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentDatetime'>>, 'CURRENT_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentTime'>>, 'CURRENT_TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentTimestamp'>>, 'CURRENT_USER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentUser'>>, 'DATE': <function MySQL.Parser.<lambda>>, 'DATE_ADD': <function build_date_delta_with_interval.<locals>._builder>, 'DATEDIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateDiff'>>, 'DATE_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateDiff'>>, 'DATE_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateFromParts'>>, 'DATEFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateFromParts'>>, 'DATE_STR_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateStrToDate'>>, 'DATE_SUB': <function build_date_delta_with_interval.<locals>._builder>, 'DATE_TO_DATE_STR': <function Parser.<lambda>>, 'DATE_TO_DI': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateToDi'>>, 'DATE_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateTrunc'>>, 'DATETIME_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeAdd'>>, 'DATETIME_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeDiff'>>, 'DATETIME_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeSub'>>, 'DATETIME_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeTrunc'>>, 'DAY': <function MySQL.Parser.<lambda>>, 'DAY_OF_MONTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfMonth'>>, 'DAYOFMONTH': <function MySQL.Parser.<lambda>>, 'DAY_OF_WEEK': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfWeek'>>, 'DAYOFWEEK': <function MySQL.Parser.<lambda>>, 'DAY_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfYear'>>, 'DAYOFYEAR': <function MySQL.Parser.<lambda>>, 'DECODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Decode'>>, 'DI_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DiToDate'>>, 'ENCODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Encode'>>, 'EXP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Exp'>>, 'EXPLODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Explode'>>, 'EXPLODE_OUTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ExplodeOuter'>>, 'EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Extract'>>, 'FIRST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.First'>>, 'FIRST_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FirstValue'>>, 'FLATTEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Flatten'>>, 'FLOOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Floor'>>, 'FROM_BASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromBase'>>, 'FROM_BASE64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromBase64'>>, 'GENERATE_DATE_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateDateArray'>>, 'GENERATE_SERIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateSeries'>>, 'GREATEST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Greatest'>>, 'GROUP_CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GroupConcat'>>, 'HEX': <function build_hex>, 'HLL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Hll'>>, 'IF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.If'>>, 'IIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.If'>>, 'INITCAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Initcap'>>, 'IS_INF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsInf'>>, 'ISINF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsInf'>>, 'IS_NAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsNan'>>, 'ISNAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsNan'>>, 'J_S_O_N_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArray'>>, 'J_S_O_N_ARRAY_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayAgg'>>, 'JSON_ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayContains'>>, 'JSONB_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBExtract'>>, 'JSONB_EXTRACT_SCALAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBExtractScalar'>>, 'JSON_EXTRACT': <function build_extract_json_with_path.<locals>._builder>, 'JSON_EXTRACT_SCALAR': <function build_extract_json_with_path.<locals>._builder>, 'JSON_FORMAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONFormat'>>, 'J_S_O_N_OBJECT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONObject'>>, 'J_S_O_N_OBJECT_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONObjectAgg'>>, 'J_S_O_N_TABLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONTable'>>, 'LAG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lag'>>, 'LAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Last'>>, 'LAST_DAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LastDay'>>, 'LAST_DAY_OF_MONTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LastDay'>>, 'LAST_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LastValue'>>, 'LEAD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lead'>>, 'LEAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Least'>>, 'LEFT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Left'>>, 'LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Length'>>, 'LEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Length'>>, 'LEVENSHTEIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Levenshtein'>>, 'LN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ln'>>, 'LOG': <function build_logarithm>, 'LOGICAL_AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'BOOL_AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'BOOLAND_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'LOGICAL_OR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'BOOL_OR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'BOOLOR_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'LOWER': <function build_lower>, 'LCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lower'>>, 'LOWER_HEX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LowerHex'>>, 'MD5': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MD5'>>, 'MD5_DIGEST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MD5Digest'>>, 'MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Map'>>, 'MAP_FROM_ENTRIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MapFromEntries'>>, 'MATCH_AGAINST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MatchAgainst'>>, 'MAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Max'>>, 'MIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Min'>>, 'MONTH': <function MySQL.Parser.<lambda>>, 'MONTHS_BETWEEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MonthsBetween'>>, 'NEXT_VALUE_FOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NextValueFor'>>, 'NTH_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NthValue'>>, 'NULLIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Nullif'>>, 'NUMBER_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NumberToStr'>>, 'NVL2': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Nvl2'>>, 'OPEN_J_S_O_N': <bound method Func.from_arg_list of <class 'sqlglot.expressions.OpenJSON'>>, 'PARAMETERIZED_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParameterizedAgg'>>, 'PARSE_JSON': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParseJSON'>>, 'JSON_PARSE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParseJSON'>>, 'PERCENTILE_CONT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PercentileCont'>>, 'PERCENTILE_DISC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PercentileDisc'>>, 'POSEXPLODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Posexplode'>>, 'POSEXPLODE_OUTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PosexplodeOuter'>>, 'POWER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pow'>>, 'POW': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pow'>>, 'PREDICT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Predict'>>, 'QUANTILE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Quantile'>>, 'QUARTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Quarter'>>, 'RAND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Rand'>>, 'RANDOM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Rand'>>, 'RANDN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Randn'>>, 'RANGE_N': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RangeN'>>, 'READ_CSV': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ReadCSV'>>, 'REDUCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Reduce'>>, 'REGEXP_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpExtract'>>, 'REGEXP_I_LIKE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpILike'>>, 'REGEXP_LIKE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpLike'>>, 'REGEXP_REPLACE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpReplace'>>, 'REGEXP_SPLIT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpSplit'>>, 'REPEAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Repeat'>>, 'RIGHT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Right'>>, 'ROUND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Round'>>, 'ROW_NUMBER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RowNumber'>>, 'SHA': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SHA'>>, 'SHA1': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SHA'>>, 'SHA2': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SHA2'>>, 'SAFE_DIVIDE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SafeDivide'>>, 'SIGN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sign'>>, 'SIGNUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sign'>>, 'SORT_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SortArray'>>, 'SPLIT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Split'>>, 'SQRT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sqrt'>>, 'STANDARD_HASH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StandardHash'>>, 'STAR_MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StarMap'>>, 'STARTS_WITH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StartsWith'>>, 'STARTSWITH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StartsWith'>>, 'STDDEV': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stddev'>>, 'STDDEV_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StddevPop'>>, 'STDDEV_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StddevSamp'>>, 'STR_POSITION': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrPosition'>>, 'STR_TO_DATE': <function _str_to_date>, 'STR_TO_MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrToMap'>>, 'STR_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrToTime'>>, 'STR_TO_UNIX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrToUnix'>>, 'STRUCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Struct'>>, 'STRUCT_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StructExtract'>>, 'STUFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stuff'>>, 'INSERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stuff'>>, 'SUBSTRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Substring'>>, 'SUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sum'>>, 'TIME_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeAdd'>>, 'TIME_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeDiff'>>, 'TIME_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'TIMEFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'TIME_STR_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToDate'>>, 'TIME_STR_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToTime'>>, 'TIME_STR_TO_UNIX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToUnix'>>, 'TIME_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeSub'>>, 'TIME_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeToStr'>>, 'TIME_TO_TIME_STR': <function Parser.<lambda>>, 'TIME_TO_UNIX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeToUnix'>>, 'TIME_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeTrunc'>>, 'TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Timestamp'>>, 'TIMESTAMP_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampAdd'>>, 'TIMESTAMPDIFF': <function build_date_delta.<locals>._builder>, 'TIMESTAMP_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampDiff'>>, 'TIMESTAMP_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampFromParts'>>, 'TIMESTAMPFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampFromParts'>>, 'TIMESTAMP_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampSub'>>, 'TIMESTAMP_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampTrunc'>>, 'TO_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToArray'>>, 'TO_BASE64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToBase64'>>, 'TO_CHAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToChar'>>, 'TO_DAYS': <function MySQL.Parser.<lambda>>, 'TO_MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToMap'>>, 'TO_NUMBER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToNumber'>>, 'TRANSFORM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Transform'>>, 'TRIM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Trim'>>, 'TRY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Try'>>, 'TRY_CAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TryCast'>>, 'TS_OR_DI_TO_DI': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDiToDi'>>, 'TS_OR_DS_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsAdd'>>, 'TS_OR_DS_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsDiff'>>, 'TS_OR_DS_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToDate'>>, 'TS_OR_DS_TO_DATE_STR': <function Parser.<lambda>>, 'TS_OR_DS_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToTime'>>, 'TS_OR_DS_TO_TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToTimestamp'>>, 'UNHEX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Unhex'>>, 'UNIX_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixDate'>>, 'UNIX_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToStr'>>, 'UNIX_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToTime'>>, 'UNIX_TO_TIME_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToTimeStr'>>, 'UPPER': <function build_upper>, 'UCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Upper'>>, 'VAR_MAP': <function build_var_map>, 'VARIANCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VAR_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'VAR_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'WEEK': <function MySQL.Parser.<lambda>>, 'WEEK_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.WeekOfYear'>>, 'WEEKOFYEAR': <function MySQL.Parser.<lambda>>, 'WHEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.When'>>, 'X_M_L_TABLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.XMLTable'>>, 'XOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Xor'>>, 'YEAR': <function MySQL.Parser.<lambda>>, 'GLOB': <function Parser.<lambda>>, 'JSON_EXTRACT_PATH_TEXT': <function build_extract_json_with_path.<locals>._builder>, 'LIKE': <function build_like>, 'LOG2': <function Parser.<lambda>>, 'LOG10': <function Parser.<lambda>>, 'MOD': <function build_mod>, 'TO_HEX': <function build_hex>, 'DATE_FORMAT': <function build_formatted_time.<locals>._builder>, 'INSTR': <function MySQL.Parser.<lambda>>, 'FROM_UNIXTIME': <function build_formatted_time.<locals>._builder>, 'ISNULL': <function isnull_to_is_null>, 'LOCATE': <function locate_to_strposition>, 'MAKETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'MONTHNAME': <function MySQL.Parser.<lambda>>}
FUNCTION_PARSERS = {'CAST': <function Parser.<lambda>>, 'CONVERT': <function Parser.<lambda>>, 'DECODE': <function Parser.<lambda>>, 'EXTRACT': <function Parser.<lambda>>, 'JSON_OBJECT': <function Parser.<lambda>>, 'JSON_OBJECTAGG': <function Parser.<lambda>>, 'JSON_TABLE': <function Parser.<lambda>>, 'MATCH': <function Parser.<lambda>>, 'OPENJSON': <function Parser.<lambda>>, 'POSITION': <function Parser.<lambda>>, 'PREDICT': <function Parser.<lambda>>, 'SAFE_CAST': <function Parser.<lambda>>, 'STRING_AGG': <function Parser.<lambda>>, 'SUBSTRING': <function Parser.<lambda>>, 'TRIM': <function Parser.<lambda>>, 'TRY_CAST': <function Parser.<lambda>>, 'TRY_CONVERT': <function Parser.<lambda>>, 'CHAR': <function MySQL.Parser.<lambda>>, 'GROUP_CONCAT': <function MySQL.Parser.<lambda>>, 'VALUES': <function MySQL.Parser.<lambda>>}
STATEMENT_PARSERS = {<TokenType.ALTER: 'ALTER'>: <function Parser.<lambda>>, <TokenType.BEGIN: 'BEGIN'>: <function Parser.<lambda>>, <TokenType.CACHE: 'CACHE'>: <function Parser.<lambda>>, <TokenType.COMMENT: 'COMMENT'>: <function Parser.<lambda>>, <TokenType.COMMIT: 'COMMIT'>: <function Parser.<lambda>>, <TokenType.COPY: 'COPY'>: <function Parser.<lambda>>, <TokenType.CREATE: 'CREATE'>: <function Parser.<lambda>>, <TokenType.DELETE: 'DELETE'>: <function Parser.<lambda>>, <TokenType.DESC: 'DESC'>: <function Parser.<lambda>>, <TokenType.DESCRIBE: 'DESCRIBE'>: <function Parser.<lambda>>, <TokenType.DROP: 'DROP'>: <function Parser.<lambda>>, <TokenType.INSERT: 'INSERT'>: <function Parser.<lambda>>, <TokenType.KILL: 'KILL'>: <function Parser.<lambda>>, <TokenType.LOAD: 'LOAD'>: <function Parser.<lambda>>, <TokenType.MERGE: 'MERGE'>: <function Parser.<lambda>>, <TokenType.PIVOT: 'PIVOT'>: <function Parser.<lambda>>, <TokenType.PRAGMA: 'PRAGMA'>: <function Parser.<lambda>>, <TokenType.REFRESH: 'REFRESH'>: <function Parser.<lambda>>, <TokenType.ROLLBACK: 'ROLLBACK'>: <function Parser.<lambda>>, <TokenType.SET: 'SET'>: <function Parser.<lambda>>, <TokenType.TRUNCATE: 'TRUNCATE'>: <function Parser.<lambda>>, <TokenType.UNCACHE: 'UNCACHE'>: <function Parser.<lambda>>, <TokenType.UPDATE: 'UPDATE'>: <function Parser.<lambda>>, <TokenType.USE: 'USE'>: <function Parser.<lambda>>, <TokenType.SEMICOLON: 'SEMICOLON'>: <function Parser.<lambda>>, <TokenType.SHOW: 'SHOW'>: <function MySQL.Parser.<lambda>>}
SHOW_PARSERS = {'BINARY LOGS': <function _show_parser.<locals>._parse>, 'MASTER LOGS': <function _show_parser.<locals>._parse>, 'BINLOG EVENTS': <function _show_parser.<locals>._parse>, 'CHARACTER SET': <function _show_parser.<locals>._parse>, 'CHARSET': <function _show_parser.<locals>._parse>, 'COLLATION': <function _show_parser.<locals>._parse>, 'FULL COLUMNS': <function _show_parser.<locals>._parse>, 'COLUMNS': <function _show_parser.<locals>._parse>, 'CREATE DATABASE': <function _show_parser.<locals>._parse>, 'CREATE EVENT': <function _show_parser.<locals>._parse>, 'CREATE FUNCTION': <function _show_parser.<locals>._parse>, 'CREATE PROCEDURE': <function _show_parser.<locals>._parse>, 'CREATE TABLE': <function _show_parser.<locals>._parse>, 'CREATE TRIGGER': <function _show_parser.<locals>._parse>, 'CREATE VIEW': <function _show_parser.<locals>._parse>, 'DATABASES': <function _show_parser.<locals>._parse>, 'SCHEMAS': <function _show_parser.<locals>._parse>, 'ENGINE': <function _show_parser.<locals>._parse>, 'STORAGE ENGINES': <function _show_parser.<locals>._parse>, 'ENGINES': <function _show_parser.<locals>._parse>, 'ERRORS': <function _show_parser.<locals>._parse>, 'EVENTS': <function _show_parser.<locals>._parse>, 'FUNCTION CODE': <function _show_parser.<locals>._parse>, 'FUNCTION STATUS': <function _show_parser.<locals>._parse>, 'GRANTS': <function _show_parser.<locals>._parse>, 'INDEX': <function _show_parser.<locals>._parse>, 'MASTER STATUS': <function _show_parser.<locals>._parse>, 'OPEN TABLES': <function _show_parser.<locals>._parse>, 'PLUGINS': <function _show_parser.<locals>._parse>, 'PROCEDURE CODE': <function _show_parser.<locals>._parse>, 'PROCEDURE STATUS': <function _show_parser.<locals>._parse>, 'PRIVILEGES': <function _show_parser.<locals>._parse>, 'FULL PROCESSLIST': <function _show_parser.<locals>._parse>, 'PROCESSLIST': <function _show_parser.<locals>._parse>, 'PROFILE': <function _show_parser.<locals>._parse>, 'PROFILES': <function _show_parser.<locals>._parse>, 'RELAYLOG EVENTS': <function _show_parser.<locals>._parse>, 'REPLICAS': <function _show_parser.<locals>._parse>, 'SLAVE HOSTS': <function _show_parser.<locals>._parse>, 'REPLICA STATUS': <function _show_parser.<locals>._parse>, 'SLAVE STATUS': <function _show_parser.<locals>._parse>, 'GLOBAL STATUS': <function _show_parser.<locals>._parse>, 'SESSION STATUS': <function _show_parser.<locals>._parse>, 'STATUS': <function _show_parser.<locals>._parse>, 'TABLE STATUS': <function _show_parser.<locals>._parse>, 'FULL TABLES': <function _show_parser.<locals>._parse>, 'TABLES': <function _show_parser.<locals>._parse>, 'TRIGGERS': <function _show_parser.<locals>._parse>, 'GLOBAL VARIABLES': <function _show_parser.<locals>._parse>, 'SESSION VARIABLES': <function _show_parser.<locals>._parse>, 'VARIABLES': <function _show_parser.<locals>._parse>, 'WARNINGS': <function _show_parser.<locals>._parse>}
PROPERTY_PARSERS = {'ALLOWED_VALUES': <function Parser.<lambda>>, 'ALGORITHM': <function Parser.<lambda>>, 'AUTO': <function Parser.<lambda>>, 'AUTO_INCREMENT': <function Parser.<lambda>>, 'BACKUP': <function Parser.<lambda>>, 'BLOCKCOMPRESSION': <function Parser.<lambda>>, 'CHARSET': <function Parser.<lambda>>, 'CHARACTER SET': <function Parser.<lambda>>, 'CHECKSUM': <function Parser.<lambda>>, 'CLUSTER BY': <function Parser.<lambda>>, 'CLUSTERED': <function Parser.<lambda>>, 'COLLATE': <function Parser.<lambda>>, 'COMMENT': <function Parser.<lambda>>, 'CONTAINS': <function Parser.<lambda>>, 'COPY': <function Parser.<lambda>>, 'DATABLOCKSIZE': <function Parser.<lambda>>, 'DATA_DELETION': <function Parser.<lambda>>, 'DEFINER': <function Parser.<lambda>>, 'DETERMINISTIC': <function Parser.<lambda>>, 'DISTKEY': <function Parser.<lambda>>, 'DISTSTYLE': <function Parser.<lambda>>, 'ENGINE': <function Parser.<lambda>>, 'EXECUTE': <function Parser.<lambda>>, 'EXTERNAL': <function Parser.<lambda>>, 'FALLBACK': <function Parser.<lambda>>, 'FORMAT': <function Parser.<lambda>>, 'FREESPACE': <function Parser.<lambda>>, 'GLOBAL': <function Parser.<lambda>>, 'HEAP': <function Parser.<lambda>>, 'ICEBERG': <function Parser.<lambda>>, 'IMMUTABLE': <function Parser.<lambda>>, 'INHERITS': <function Parser.<lambda>>, 'INPUT': <function Parser.<lambda>>, 'JOURNAL': <function Parser.<lambda>>, 'LANGUAGE': <function Parser.<lambda>>, 'LAYOUT': <function Parser.<lambda>>, 'LIFETIME': <function Parser.<lambda>>, 'LIKE': <function Parser.<lambda>>, 'LOCATION': <function Parser.<lambda>>, 'LOCK': <function MySQL.Parser.<lambda>>, 'LOCKING': <function Parser.<lambda>>, 'LOG': <function Parser.<lambda>>, 'MATERIALIZED': <function Parser.<lambda>>, 'MERGEBLOCKRATIO': <function Parser.<lambda>>, 'MODIFIES': <function Parser.<lambda>>, 'MULTISET': <function Parser.<lambda>>, 'NO': <function Parser.<lambda>>, 'ON': <function Parser.<lambda>>, 'ORDER BY': <function Parser.<lambda>>, 'OUTPUT': <function Parser.<lambda>>, 'PARTITION': <function Parser.<lambda>>, 'PARTITION BY': <function Parser.<lambda>>, 'PARTITIONED BY': <function Parser.<lambda>>, 'PARTITIONED_BY': <function Parser.<lambda>>, 'PRIMARY KEY': <function Parser.<lambda>>, 'RANGE': <function Parser.<lambda>>, 'READS': <function Parser.<lambda>>, 'REMOTE': <function Parser.<lambda>>, 'RETURNS': <function Parser.<lambda>>, 'STRICT': <function Parser.<lambda>>, 'ROW': <function Parser.<lambda>>, 'ROW_FORMAT': <function Parser.<lambda>>, 'SAMPLE': <function Parser.<lambda>>, 'SET': <function Parser.<lambda>>, 'SETTINGS': <function Parser.<lambda>>, 'SHARING': <function Parser.<lambda>>, 'SORTKEY': <function Parser.<lambda>>, 'SOURCE': <function Parser.<lambda>>, 'STABLE': <function Parser.<lambda>>, 'STORED': <function Parser.<lambda>>, 'SYSTEM_VERSIONING': <function Parser.<lambda>>, 'TBLPROPERTIES': <function Parser.<lambda>>, 'TEMP': <function Parser.<lambda>>, 'TEMPORARY': <function Parser.<lambda>>, 'TO': <function Parser.<lambda>>, 'TRANSIENT': <function Parser.<lambda>>, 'TRANSFORM': <function Parser.<lambda>>, 'TTL': <function Parser.<lambda>>, 'USING': <function Parser.<lambda>>, 'UNLOGGED': <function Parser.<lambda>>, 'VOLATILE': <function Parser.<lambda>>, 'WITH': <function Parser.<lambda>>}
SET_PARSERS = {'GLOBAL': <function Parser.<lambda>>, 'LOCAL': <function Parser.<lambda>>, 'SESSION': <function Parser.<lambda>>, 'TRANSACTION': <function Parser.<lambda>>, 'PERSIST': <function MySQL.Parser.<lambda>>, 'PERSIST_ONLY': <function MySQL.Parser.<lambda>>, 'CHARACTER SET': <function MySQL.Parser.<lambda>>, 'CHARSET': <function MySQL.Parser.<lambda>>, 'NAMES': <function MySQL.Parser.<lambda>>}
CONSTRAINT_PARSERS = {'AUTOINCREMENT': <function Parser.<lambda>>, 'AUTO_INCREMENT': <function Parser.<lambda>>, 'CASESPECIFIC': <function Parser.<lambda>>, 'CHARACTER SET': <function Parser.<lambda>>, 'CHECK': <function Parser.<lambda>>, 'COLLATE': <function Parser.<lambda>>, 'COMMENT': <function Parser.<lambda>>, 'COMPRESS': <function Parser.<lambda>>, 'CLUSTERED': <function Parser.<lambda>>, 'NONCLUSTERED': <function Parser.<lambda>>, 'DEFAULT': <function Parser.<lambda>>, 'ENCODE': <function Parser.<lambda>>, 'EPHEMERAL': <function Parser.<lambda>>, 'EXCLUDE': <function Parser.<lambda>>, 'FOREIGN KEY': <function Parser.<lambda>>, 'FORMAT': <function Parser.<lambda>>, 'GENERATED': <function Parser.<lambda>>, 'IDENTITY': <function Parser.<lambda>>, 'INLINE': <function Parser.<lambda>>, 'LIKE': <function Parser.<lambda>>, 'NOT': <function Parser.<lambda>>, 'NULL': <function Parser.<lambda>>, 'ON': <function Parser.<lambda>>, 'PATH': <function Parser.<lambda>>, 'PERIOD': <function Parser.<lambda>>, 'PRIMARY KEY': <function Parser.<lambda>>, 'REFERENCES': <function Parser.<lambda>>, 'TITLE': <function Parser.<lambda>>, 'TTL': <function Parser.<lambda>>, 'UNIQUE': <function Parser.<lambda>>, 'UPPERCASE': <function Parser.<lambda>>, 'WITH': <function Parser.<lambda>>, 'FULLTEXT': <function MySQL.Parser.<lambda>>, 'INDEX': <function MySQL.Parser.<lambda>>, 'KEY': <function MySQL.Parser.<lambda>>, 'SPATIAL': <function MySQL.Parser.<lambda>>}
ALTER_PARSERS = {'ADD': <function Parser.<lambda>>, 'ALTER': <function Parser.<lambda>>, 'CLUSTER BY': <function Parser.<lambda>>, 'DELETE': <function Parser.<lambda>>, 'DROP': <function Parser.<lambda>>, 'RENAME': <function Parser.<lambda>>, 'SET': <function Parser.<lambda>>, 'MODIFY': <function MySQL.Parser.<lambda>>}
SCHEMA_UNNAMED_CONSTRAINTS = {'EXCLUDE', 'FULLTEXT', 'KEY', 'UNIQUE', 'LIKE', 'CHECK', 'FOREIGN KEY', 'PERIOD', 'SPATIAL', 'PRIMARY KEY', 'INDEX'}
PROFILE_TYPES: Dict[str, Sequence[Union[Sequence[str], str]]] = {'ALL': (), 'CPU': (), 'IPC': (), 'MEMORY': (), 'SOURCE': (), 'SWAPS': (), 'BLOCK': ('IO',), 'CONTEXT': ('SWITCHES',), 'PAGE': ('FAULTS',)}
TYPE_TOKENS = {<TokenType.MONEY: 'MONEY'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.ENUM: 'ENUM'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.TEXT: 'TEXT'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.DATE32: 'DATE32'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.INT: 'INT'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.UINT256: 'UINT256'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.INT128: 'INT128'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.INT256: 'INT256'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.XML: 'XML'>, <TokenType.NULL: 'NULL'>, <TokenType.JSON: 'JSON'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.TIME: 'TIME'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.NESTED: 'NESTED'>, <TokenType.SET: 'SET'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.INET: 'INET'>, <TokenType.DATE: 'DATE'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.BINARY: 'BINARY'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.NAME: 'NAME'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.YEAR: 'YEAR'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.BIT: 'BIT'>, <TokenType.UINT: 'UINT'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.UUID: 'UUID'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.SUPER: 'SUPER'>, <TokenType.JSONB: 'JSONB'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.CHAR: 'CHAR'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.UINT128: 'UINT128'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.MAP: 'MAP'>, <TokenType.IPV4: 'IPV4'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.IPV6: 'IPV6'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>}
ENUM_TYPE_TOKENS = {<TokenType.ENUM: 'ENUM'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.SET: 'SET'>, <TokenType.ENUM16: 'ENUM16'>}
LOG_DEFAULTS_TO_LN = True
STRING_ALIASES = True
VALUES_FOLLOWED_BY_PAREN = False
SUPPORTS_PARTITION_SELECTION = True
SHOW_TRIE: Dict = {'BINARY': {'LOGS': {0: True}}, 'MASTER': {'LOGS': {0: True}, 'STATUS': {0: True}}, 'BINLOG': {'EVENTS': {0: True}}, 'CHARACTER': {'SET': {0: True}}, 'CHARSET': {0: True}, 'COLLATION': {0: True}, 'FULL': {'COLUMNS': {0: True}, 'PROCESSLIST': {0: True}, 'TABLES': {0: True}}, 'COLUMNS': {0: True}, 'CREATE': {'DATABASE': {0: True}, 'EVENT': {0: True}, 'FUNCTION': {0: True}, 'PROCEDURE': {0: True}, 'TABLE': {0: True}, 'TRIGGER': {0: True}, 'VIEW': {0: True}}, 'DATABASES': {0: True}, 'SCHEMAS': {0: True}, 'ENGINE': {0: True}, 'STORAGE': {'ENGINES': {0: True}}, 'ENGINES': {0: True}, 'ERRORS': {0: True}, 'EVENTS': {0: True}, 'FUNCTION': {'CODE': {0: True}, 'STATUS': {0: True}}, 'GRANTS': {0: True}, 'INDEX': {0: True}, 'OPEN': {'TABLES': {0: True}}, 'PLUGINS': {0: True}, 'PROCEDURE': {'CODE': {0: True}, 'STATUS': {0: True}}, 'PRIVILEGES': {0: True}, 'PROCESSLIST': {0: True}, 'PROFILE': {0: True}, 'PROFILES': {0: True}, 'RELAYLOG': {'EVENTS': {0: True}}, 'REPLICAS': {0: True}, 'SLAVE': {'HOSTS': {0: True}, 'STATUS': {0: True}}, 'REPLICA': {'STATUS': {0: True}}, 'GLOBAL': {'STATUS': {0: True}, 'VARIABLES': {0: True}}, 'SESSION': {'STATUS': {0: True}, 'VARIABLES': {0: True}}, 'STATUS': {0: True}, 'TABLE': {'STATUS': {0: True}}, 'TABLES': {0: True}, 'TRIGGERS': {0: True}, 'VARIABLES': {0: True}, 'WARNINGS': {0: True}}
SET_TRIE: Dict = {'GLOBAL': {0: True}, 'LOCAL': {0: True}, 'SESSION': {0: True}, 'TRANSACTION': {0: True}, 'PERSIST': {0: True}, 'PERSIST_ONLY': {0: True}, 'CHARACTER': {'SET': {0: True}}, 'CHARSET': {0: True}, 'NAMES': {0: True}}
Inherited Members
sqlglot.parser.Parser
Parser
NO_PAREN_FUNCTIONS
STRUCT_TYPE_TOKENS
NESTED_TYPE_TOKENS
AGGREGATE_TYPE_TOKENS
SIGNED_TO_UNSIGNED_TYPE_TOKEN
SUBQUERY_PREDICATES
RESERVED_TOKENS
DB_CREATABLES
CREATABLES
ID_VAR_TOKENS
INTERVAL_VARS
ALIAS_TOKENS
COMMENT_TABLE_ALIAS_TOKENS
UPDATE_ALIAS_TOKENS
TRIM_TYPES
EQUALITY
COMPARISON
BITWISE
TERM
FACTOR
EXPONENT
TIMES
TIMESTAMPS
SET_OPERATIONS
JOIN_METHODS
JOIN_SIDES
JOIN_KINDS
JOIN_HINTS
LAMBDAS
COLUMN_OPERATORS
EXPRESSION_PARSERS
UNARY_PARSERS
STRING_PARSERS
NUMERIC_PARSERS
PRIMARY_PARSERS
PLACEHOLDER_PARSERS
ALTER_ALTER_PARSERS
NO_PAREN_FUNCTION_PARSERS
INVALID_FUNC_NAME_TOKENS
FUNCTIONS_WITH_ALIASED_ARGS
KEY_VALUE_DEFINITIONS
QUERY_MODIFIER_PARSERS
TYPE_LITERAL_PARSERS
TYPE_CONVERTER
DDL_SELECT_TOKENS
PRE_VOLATILE_TOKENS
TRANSACTION_KIND
TRANSACTION_CHARACTERISTICS
CONFLICT_ACTIONS
CREATE_SEQUENCE
ISOLATED_LOADING_OPTIONS
USABLES
CAST_ACTIONS
INSERT_ALTERNATIVES
CLONE_KEYWORDS
HISTORICAL_DATA_KIND
OPCLASS_FOLLOW_KEYWORDS
OPTYPE_FOLLOW_TOKENS
TABLE_INDEX_HINT_TOKENS
VIEW_ATTRIBUTES
WINDOW_ALIAS_TOKENS
WINDOW_BEFORE_PAREN_TOKENS
WINDOW_SIDES
JSON_KEY_VALUE_SEPARATOR_TOKENS
FETCH_TOKENS
ADD_CONSTRAINT_TOKENS
DISTINCT_TOKENS
NULL_TOKENS
UNNEST_OFFSET_ALIAS_TOKENS
SELECT_START_TOKENS
STRICT_CAST
PREFIXED_PIVOT_COLUMNS
IDENTIFY_PIVOT_STRINGS
ALTER_TABLE_ADD_REQUIRED_FOR_EACH_COLUMN
TABLESAMPLE_CSV
DEFAULT_SAMPLING_METHOD
SET_REQUIRES_ASSIGNMENT_DELIMITER
TRIM_PATTERN_FIRST
MODIFIERS_ATTACHED_TO_UNION
UNION_MODIFIERS
NO_PAREN_IF_COMMANDS
JSON_ARROWS_REQUIRE_JSON_TYPE
COLON_IS_JSON_EXTRACT
SUPPORTS_IMPLICIT_UNNEST
INTERVAL_SPANS
error_level
error_message_context
max_errors
dialect
reset
parse
parse_into
check_errors
raise_error
expression
validate_expression
errors
sql
class MySQL.Generator(sqlglot.generator.Generator):
673    class Generator(generator.Generator):
674        LOCKING_READS_SUPPORTED = True
675        NULL_ORDERING_SUPPORTED = None
676        JOIN_HINTS = False
677        TABLE_HINTS = True
678        DUPLICATE_KEY_UPDATE_WITH_SET = False
679        QUERY_HINT_SEP = " "
680        VALUES_AS_TABLE = False
681        NVL2_SUPPORTED = False
682        LAST_DAY_SUPPORTS_DATE_PART = False
683        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
684        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
685        JSON_KEY_VALUE_PAIR_SEP = ","
686        SUPPORTS_TO_NUMBER = False
687
688        TRANSFORMS = {
689            **generator.Generator.TRANSFORMS,
690            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
691            exp.CurrentDate: no_paren_current_date_sql,
692            exp.DateDiff: _remove_ts_or_ds_to_date(
693                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
694            ),
695            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
696            exp.DateStrToDate: datestrtodate_sql,
697            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
698            exp.DateTrunc: _date_trunc_sql,
699            exp.Day: _remove_ts_or_ds_to_date(),
700            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
701            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
702            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
703            exp.GroupConcat: lambda self,
704            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
705            exp.ILike: no_ilike_sql,
706            exp.JSONExtractScalar: arrow_json_extract_sql,
707            exp.Max: max_or_greatest,
708            exp.Min: min_or_least,
709            exp.Month: _remove_ts_or_ds_to_date(),
710            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
711            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
712            exp.ParseJSON: lambda self, e: self.sql(e, "this"),
713            exp.Pivot: no_pivot_sql,
714            exp.Select: transforms.preprocess(
715                [
716                    transforms.eliminate_distinct_on,
717                    transforms.eliminate_semi_and_anti_joins,
718                    transforms.eliminate_qualify,
719                    transforms.eliminate_full_outer_join,
720                ]
721            ),
722            exp.StrPosition: strposition_to_locate_sql,
723            exp.StrToDate: _str_to_date_sql,
724            exp.StrToTime: _str_to_date_sql,
725            exp.Stuff: rename_func("INSERT"),
726            exp.TableSample: no_tablesample_sql,
727            exp.TimeFromParts: rename_func("MAKETIME"),
728            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
729            exp.TimestampDiff: lambda self, e: self.func(
730                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
731            ),
732            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
733            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
734            exp.TimeStrToTime: lambda self, e: self.sql(
735                exp.cast(e.this, exp.DataType.Type.DATETIME, copy=True)
736            ),
737            exp.TimeToStr: _remove_ts_or_ds_to_date(
738                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
739            ),
740            exp.Trim: _trim_sql,
741            exp.TryCast: no_trycast_sql,
742            exp.TsOrDsAdd: date_add_sql("ADD"),
743            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
744            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
745            exp.UnixToTime: _unix_to_time_sql,
746            exp.Week: _remove_ts_or_ds_to_date(),
747            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
748            exp.Year: _remove_ts_or_ds_to_date(),
749        }
750
751        UNSIGNED_TYPE_MAPPING = {
752            exp.DataType.Type.UBIGINT: "BIGINT",
753            exp.DataType.Type.UINT: "INT",
754            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
755            exp.DataType.Type.USMALLINT: "SMALLINT",
756            exp.DataType.Type.UTINYINT: "TINYINT",
757            exp.DataType.Type.UDECIMAL: "DECIMAL",
758        }
759
760        TIMESTAMP_TYPE_MAPPING = {
761            exp.DataType.Type.TIMESTAMP: "DATETIME",
762            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
763            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
764        }
765
766        TYPE_MAPPING = {
767            **generator.Generator.TYPE_MAPPING,
768            **UNSIGNED_TYPE_MAPPING,
769            **TIMESTAMP_TYPE_MAPPING,
770        }
771
772        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
773        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
774        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
775        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
776        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
777        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
778
779        PROPERTIES_LOCATION = {
780            **generator.Generator.PROPERTIES_LOCATION,
781            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
782            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
783        }
784
785        LIMIT_FETCH = "LIMIT"
786
787        LIMIT_ONLY_LITERALS = True
788
789        CHAR_CAST_MAPPING = dict.fromkeys(
790            (
791                exp.DataType.Type.LONGTEXT,
792                exp.DataType.Type.LONGBLOB,
793                exp.DataType.Type.MEDIUMBLOB,
794                exp.DataType.Type.MEDIUMTEXT,
795                exp.DataType.Type.TEXT,
796                exp.DataType.Type.TINYBLOB,
797                exp.DataType.Type.TINYTEXT,
798                exp.DataType.Type.VARCHAR,
799            ),
800            "CHAR",
801        )
802        SIGNED_CAST_MAPPING = dict.fromkeys(
803            (
804                exp.DataType.Type.BIGINT,
805                exp.DataType.Type.BOOLEAN,
806                exp.DataType.Type.INT,
807                exp.DataType.Type.SMALLINT,
808                exp.DataType.Type.TINYINT,
809                exp.DataType.Type.MEDIUMINT,
810            ),
811            "SIGNED",
812        )
813
814        # MySQL doesn't support many datatypes in cast.
815        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
816        CAST_MAPPING = {
817            **CHAR_CAST_MAPPING,
818            **SIGNED_CAST_MAPPING,
819            exp.DataType.Type.UBIGINT: "UNSIGNED",
820        }
821
822        TIMESTAMP_FUNC_TYPES = {
823            exp.DataType.Type.TIMESTAMPTZ,
824            exp.DataType.Type.TIMESTAMPLTZ,
825        }
826
827        def dpipe_sql(self, expression: exp.DPipe) -> str:
828            return self.func("CONCAT", *expression.flatten())
829
830        def extract_sql(self, expression: exp.Extract) -> str:
831            unit = expression.name
832            if unit and unit.lower() == "epoch":
833                return self.func("UNIX_TIMESTAMP", expression.expression)
834
835            return super().extract_sql(expression)
836
837        def datatype_sql(self, expression: exp.DataType) -> str:
838            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
839            result = super().datatype_sql(expression)
840            if expression.this in self.UNSIGNED_TYPE_MAPPING:
841                result = f"{result} UNSIGNED"
842            return result
843
844        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
845            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
846
847        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
848            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
849                return self.func("TIMESTAMP", expression.this)
850
851            to = self.CAST_MAPPING.get(expression.to.this)
852
853            if to:
854                expression.to.set("this", to)
855            return super().cast_sql(expression)
856
857        def show_sql(self, expression: exp.Show) -> str:
858            this = f" {expression.name}"
859            full = " FULL" if expression.args.get("full") else ""
860            global_ = " GLOBAL" if expression.args.get("global") else ""
861
862            target = self.sql(expression, "target")
863            target = f" {target}" if target else ""
864            if expression.name in ("COLUMNS", "INDEX"):
865                target = f" FROM{target}"
866            elif expression.name == "GRANTS":
867                target = f" FOR{target}"
868
869            db = self._prefixed_sql("FROM", expression, "db")
870
871            like = self._prefixed_sql("LIKE", expression, "like")
872            where = self.sql(expression, "where")
873
874            types = self.expressions(expression, key="types")
875            types = f" {types}" if types else types
876            query = self._prefixed_sql("FOR QUERY", expression, "query")
877
878            if expression.name == "PROFILE":
879                offset = self._prefixed_sql("OFFSET", expression, "offset")
880                limit = self._prefixed_sql("LIMIT", expression, "limit")
881            else:
882                offset = ""
883                limit = self._oldstyle_limit_sql(expression)
884
885            log = self._prefixed_sql("IN", expression, "log")
886            position = self._prefixed_sql("FROM", expression, "position")
887
888            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
889
890            if expression.name == "ENGINE":
891                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
892            else:
893                mutex_or_status = ""
894
895            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
896
897        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
898            dtype = self.sql(expression, "dtype")
899            if not dtype:
900                return super().altercolumn_sql(expression)
901
902            this = self.sql(expression, "this")
903            return f"MODIFY COLUMN {this} {dtype}"
904
905        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
906            sql = self.sql(expression, arg)
907            return f" {prefix} {sql}" if sql else ""
908
909        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
910            limit = self.sql(expression, "limit")
911            offset = self.sql(expression, "offset")
912            if limit:
913                limit_offset = f"{offset}, {limit}" if offset else limit
914                return f" LIMIT {limit_offset}"
915            return ""
916
917        def chr_sql(self, expression: exp.Chr) -> str:
918            this = self.expressions(sqls=[expression.this] + expression.expressions)
919            charset = expression.args.get("charset")
920            using = f" USING {self.sql(charset)}" if charset else ""
921            return f"CHAR({this}{using})"
922
923        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
924            unit = expression.args.get("unit")
925
926            # Pick an old-enough date to avoid negative timestamp diffs
927            start_ts = "'0000-01-01 00:00:00'"
928
929            # Source: https://stackoverflow.com/a/32955740
930            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
931            interval = exp.Interval(this=timestamp_diff, unit=unit)
932            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
933
934            return self.sql(dateadd)

Generator converts a given syntax tree to the corresponding SQL string.

Arguments:
  • pretty: Whether to format the produced SQL string. Default: False.
  • identify: Determines when an identifier should be quoted. Possible values are: False (default): Never quote, except in cases where it's mandatory by the dialect. True or 'always': Always quote. 'safe': Only quote identifiers that are case insensitive.
  • normalize: Whether to normalize identifiers to lowercase. Default: False.
  • pad: The pad size in a formatted string. For example, this affects the indentation of a projection in a query, relative to its nesting level. Default: 2.
  • indent: The indentation size in a formatted string. For example, this affects the indentation of subqueries and filters under a WHERE clause. Default: 2.
  • normalize_functions: How to normalize function names. Possible values are: "upper" or True (default): Convert names to uppercase. "lower": Convert names to lowercase. False: Disables function name normalization.
  • unsupported_level: Determines the generator's behavior when it encounters unsupported expressions. Default ErrorLevel.WARN.
  • max_unsupported: Maximum number of unsupported messages to include in a raised UnsupportedError. This is only relevant if unsupported_level is ErrorLevel.RAISE. Default: 3
  • leading_comma: Whether the comma is leading or trailing in select expressions. This is only relevant when generating in pretty mode. Default: False
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode. The default is on the smaller end because the length only represents a segment and not the true line length. Default: 80
  • comments: Whether to preserve comments in the output SQL code. Default: True
LOCKING_READS_SUPPORTED = True
NULL_ORDERING_SUPPORTED = None
JOIN_HINTS = False
TABLE_HINTS = True
DUPLICATE_KEY_UPDATE_WITH_SET = False
QUERY_HINT_SEP = ' '
VALUES_AS_TABLE = False
NVL2_SUPPORTED = False
LAST_DAY_SUPPORTS_DATE_PART = False
JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
JSON_PATH_BRACKETED_KEY_SUPPORTED = False
JSON_KEY_VALUE_PAIR_SEP = ','
SUPPORTS_TO_NUMBER = False
TRANSFORMS = {<class 'sqlglot.expressions.JSONPathFilter'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathKey'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathRecursive'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathRoot'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathScript'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathSelector'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathSlice'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathSubscript'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathUnion'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathWildcard'>: <function <lambda>>, <class 'sqlglot.expressions.AllowedValuesProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.AutoRefreshProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.BackupProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CaseSpecificColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CharacterSetColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CharacterSetProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ClusteredColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CollateColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CommentColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CopyGrantsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.DateFormatColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.DefaultColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.EncodeColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.EphemeralColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ExcludeColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ExecuteAsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ExternalProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.GlobalProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.HeapProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.IcebergProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.InheritsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.InlineLengthColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.InputModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.IntervalSpan'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.JSONExtract'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.JSONExtractScalar'>: <function arrow_json_extract_sql>, <class 'sqlglot.expressions.LanguageProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.LocationProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.LogProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.MaterializedProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NonClusteredColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NoPrimaryIndexProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NotForReplicationColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnCommitProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnUpdateColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OutputModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.PathColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.RemoteWithConnectionModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ReturnsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SampleProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SetConfigProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SetProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SettingsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SharingProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SqlReadWriteProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SqlSecurityProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.StabilityProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.StrictProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TemporaryProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TitleColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.Timestamp'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ToMap'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ToTableProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TransformModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TransientProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.UppercaseColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.UnloggedProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.VarMap'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ViewAttributeProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.VolatileProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithJournalTableProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithOperator'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ArrayAgg'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.CurrentDate'>: <function no_paren_current_date_sql>, <class 'sqlglot.expressions.DateDiff'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateAdd'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateStrToDate'>: <function datestrtodate_sql>, <class 'sqlglot.expressions.DateSub'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateTrunc'>: <function _date_trunc_sql>, <class 'sqlglot.expressions.Day'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfMonth'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfWeek'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfYear'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.GroupConcat'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.ILike'>: <function no_ilike_sql>, <class 'sqlglot.expressions.Max'>: <function max_or_greatest>, <class 'sqlglot.expressions.Min'>: <function min_or_least>, <class 'sqlglot.expressions.Month'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.NullSafeEQ'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.NullSafeNEQ'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.ParseJSON'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.Pivot'>: <function no_pivot_sql>, <class 'sqlglot.expressions.Select'>: <function preprocess.<locals>._to_sql>, <class 'sqlglot.expressions.StrPosition'>: <function strposition_to_locate_sql>, <class 'sqlglot.expressions.StrToDate'>: <function _str_to_date_sql>, <class 'sqlglot.expressions.StrToTime'>: <function _str_to_date_sql>, <class 'sqlglot.expressions.Stuff'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TableSample'>: <function no_tablesample_sql>, <class 'sqlglot.expressions.TimeFromParts'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TimestampAdd'>: <function date_add_interval_sql.<locals>.func>, <class 'sqlglot.expressions.TimestampDiff'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TimestampSub'>: <function date_add_interval_sql.<locals>.func>, <class 'sqlglot.expressions.TimeStrToUnix'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TimeStrToTime'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TimeToStr'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.Trim'>: <function _trim_sql>, <class 'sqlglot.expressions.TryCast'>: <function no_trycast_sql>, <class 'sqlglot.expressions.TsOrDsAdd'>: <function date_add_sql.<locals>.func>, <class 'sqlglot.expressions.TsOrDsDiff'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TsOrDsToDate'>: <function _ts_or_ds_to_date_sql>, <class 'sqlglot.expressions.UnixToTime'>: <function _unix_to_time_sql>, <class 'sqlglot.expressions.Week'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.WeekOfYear'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.Year'>: <function _remove_ts_or_ds_to_date.<locals>.func>}
UNSIGNED_TYPE_MAPPING = {<Type.UBIGINT: 'UBIGINT'>: 'BIGINT', <Type.UINT: 'UINT'>: 'INT', <Type.UMEDIUMINT: 'UMEDIUMINT'>: 'MEDIUMINT', <Type.USMALLINT: 'USMALLINT'>: 'SMALLINT', <Type.UTINYINT: 'UTINYINT'>: 'TINYINT', <Type.UDECIMAL: 'UDECIMAL'>: 'DECIMAL'}
TIMESTAMP_TYPE_MAPPING = {<Type.TIMESTAMP: 'TIMESTAMP'>: 'DATETIME', <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: 'TIMESTAMP', <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>: 'TIMESTAMP'}
TYPE_MAPPING = {<Type.NCHAR: 'NCHAR'>: 'CHAR', <Type.NVARCHAR: 'NVARCHAR'>: 'VARCHAR', <Type.INET: 'INET'>: 'INET', <Type.ROWVERSION: 'ROWVERSION'>: 'VARBINARY', <Type.UBIGINT: 'UBIGINT'>: 'BIGINT', <Type.UINT: 'UINT'>: 'INT', <Type.UMEDIUMINT: 'UMEDIUMINT'>: 'MEDIUMINT', <Type.USMALLINT: 'USMALLINT'>: 'SMALLINT', <Type.UTINYINT: 'UTINYINT'>: 'TINYINT', <Type.UDECIMAL: 'UDECIMAL'>: 'DECIMAL', <Type.TIMESTAMP: 'TIMESTAMP'>: 'DATETIME', <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: 'TIMESTAMP', <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>: 'TIMESTAMP'}
PROPERTIES_LOCATION = {<class 'sqlglot.expressions.AllowedValuesProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.AlgorithmProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.AutoIncrementProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.AutoRefreshProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.BackupProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.BlockCompressionProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.CharacterSetProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ChecksumProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.CollateProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.CopyGrantsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Cluster'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ClusteredByProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DataBlocksizeProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.DataDeletionProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DefinerProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.DictRange'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DictProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DistKeyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DistStyleProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.EngineProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ExecuteAsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ExternalProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.FallbackProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.FileFormatProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.FreespaceProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.GlobalProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.HeapProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.InheritsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.IcebergProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.InputModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.IsolatedLoadingProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.JournalProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.LanguageProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LikeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LocationProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LockProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LockingProperty'>: <Location.POST_ALIAS: 'POST_ALIAS'>, <class 'sqlglot.expressions.LogProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.MaterializedProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.MergeBlockRatioProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.NoPrimaryIndexProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.OnProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.OnCommitProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.Order'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.OutputModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.PartitionedByProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.PartitionedOfProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.PrimaryKey'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Property'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.RemoteWithConnectionModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ReturnsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatDelimitedProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatSerdeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SampleProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SchemaCommentProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SerdeProperties'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Set'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SettingsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SetProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.SetConfigProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SharingProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.SequenceProperties'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.SortKeyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SqlReadWriteProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SqlSecurityProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.StabilityProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.StrictProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.TemporaryProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.ToTableProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.TransientProperty'>: <Location.UNSUPPORTED: 'UNSUPPORTED'>, <class 'sqlglot.expressions.TransformModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.MergeTreeTTL'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.UnloggedProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.ViewAttributeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.VolatileProperty'>: <Location.UNSUPPORTED: 'UNSUPPORTED'>, <class 'sqlglot.expressions.WithDataProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.WithJournalTableProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.WithSystemVersioningProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>}
LIMIT_FETCH = 'LIMIT'
LIMIT_ONLY_LITERALS = True
CHAR_CAST_MAPPING = {<Type.LONGTEXT: 'LONGTEXT'>: 'CHAR', <Type.LONGBLOB: 'LONGBLOB'>: 'CHAR', <Type.MEDIUMBLOB: 'MEDIUMBLOB'>: 'CHAR', <Type.MEDIUMTEXT: 'MEDIUMTEXT'>: 'CHAR', <Type.TEXT: 'TEXT'>: 'CHAR', <Type.TINYBLOB: 'TINYBLOB'>: 'CHAR', <Type.TINYTEXT: 'TINYTEXT'>: 'CHAR', <Type.VARCHAR: 'VARCHAR'>: 'CHAR'}
SIGNED_CAST_MAPPING = {<Type.BIGINT: 'BIGINT'>: 'SIGNED', <Type.BOOLEAN: 'BOOLEAN'>: 'SIGNED', <Type.INT: 'INT'>: 'SIGNED', <Type.SMALLINT: 'SMALLINT'>: 'SIGNED', <Type.TINYINT: 'TINYINT'>: 'SIGNED', <Type.MEDIUMINT: 'MEDIUMINT'>: 'SIGNED'}
CAST_MAPPING = {<Type.LONGTEXT: 'LONGTEXT'>: 'CHAR', <Type.LONGBLOB: 'LONGBLOB'>: 'CHAR', <Type.MEDIUMBLOB: 'MEDIUMBLOB'>: 'CHAR', <Type.MEDIUMTEXT: 'MEDIUMTEXT'>: 'CHAR', <Type.TEXT: 'TEXT'>: 'CHAR', <Type.TINYBLOB: 'TINYBLOB'>: 'CHAR', <Type.TINYTEXT: 'TINYTEXT'>: 'CHAR', <Type.VARCHAR: 'VARCHAR'>: 'CHAR', <Type.BIGINT: 'BIGINT'>: 'SIGNED', <Type.BOOLEAN: 'BOOLEAN'>: 'SIGNED', <Type.INT: 'INT'>: 'SIGNED', <Type.SMALLINT: 'SMALLINT'>: 'SIGNED', <Type.TINYINT: 'TINYINT'>: 'SIGNED', <Type.MEDIUMINT: 'MEDIUMINT'>: 'SIGNED', <Type.UBIGINT: 'UBIGINT'>: 'UNSIGNED'}
TIMESTAMP_FUNC_TYPES = {<Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>}
def dpipe_sql(self, expression: sqlglot.expressions.DPipe) -> str:
827        def dpipe_sql(self, expression: exp.DPipe) -> str:
828            return self.func("CONCAT", *expression.flatten())
def extract_sql(self, expression: sqlglot.expressions.Extract) -> str:
830        def extract_sql(self, expression: exp.Extract) -> str:
831            unit = expression.name
832            if unit and unit.lower() == "epoch":
833                return self.func("UNIX_TIMESTAMP", expression.expression)
834
835            return super().extract_sql(expression)
def datatype_sql(self, expression: sqlglot.expressions.DataType) -> str:
837        def datatype_sql(self, expression: exp.DataType) -> str:
838            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
839            result = super().datatype_sql(expression)
840            if expression.this in self.UNSIGNED_TYPE_MAPPING:
841                result = f"{result} UNSIGNED"
842            return result
def jsonarraycontains_sql(self, expression: sqlglot.expressions.JSONArrayContains) -> str:
844        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
845            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
def cast_sql( self, expression: sqlglot.expressions.Cast, safe_prefix: Optional[str] = None) -> str:
847        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
848            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
849                return self.func("TIMESTAMP", expression.this)
850
851            to = self.CAST_MAPPING.get(expression.to.this)
852
853            if to:
854                expression.to.set("this", to)
855            return super().cast_sql(expression)
def show_sql(self, expression: sqlglot.expressions.Show) -> str:
857        def show_sql(self, expression: exp.Show) -> str:
858            this = f" {expression.name}"
859            full = " FULL" if expression.args.get("full") else ""
860            global_ = " GLOBAL" if expression.args.get("global") else ""
861
862            target = self.sql(expression, "target")
863            target = f" {target}" if target else ""
864            if expression.name in ("COLUMNS", "INDEX"):
865                target = f" FROM{target}"
866            elif expression.name == "GRANTS":
867                target = f" FOR{target}"
868
869            db = self._prefixed_sql("FROM", expression, "db")
870
871            like = self._prefixed_sql("LIKE", expression, "like")
872            where = self.sql(expression, "where")
873
874            types = self.expressions(expression, key="types")
875            types = f" {types}" if types else types
876            query = self._prefixed_sql("FOR QUERY", expression, "query")
877
878            if expression.name == "PROFILE":
879                offset = self._prefixed_sql("OFFSET", expression, "offset")
880                limit = self._prefixed_sql("LIMIT", expression, "limit")
881            else:
882                offset = ""
883                limit = self._oldstyle_limit_sql(expression)
884
885            log = self._prefixed_sql("IN", expression, "log")
886            position = self._prefixed_sql("FROM", expression, "position")
887
888            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
889
890            if expression.name == "ENGINE":
891                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
892            else:
893                mutex_or_status = ""
894
895            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
def altercolumn_sql(self, expression: sqlglot.expressions.AlterColumn) -> str:
897        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
898            dtype = self.sql(expression, "dtype")
899            if not dtype:
900                return super().altercolumn_sql(expression)
901
902            this = self.sql(expression, "this")
903            return f"MODIFY COLUMN {this} {dtype}"
def chr_sql(self, expression: sqlglot.expressions.Chr) -> str:
917        def chr_sql(self, expression: exp.Chr) -> str:
918            this = self.expressions(sqls=[expression.this] + expression.expressions)
919            charset = expression.args.get("charset")
920            using = f" USING {self.sql(charset)}" if charset else ""
921            return f"CHAR({this}{using})"
def timestamptrunc_sql(self, expression: sqlglot.expressions.TimestampTrunc) -> str:
923        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
924            unit = expression.args.get("unit")
925
926            # Pick an old-enough date to avoid negative timestamp diffs
927            start_ts = "'0000-01-01 00:00:00'"
928
929            # Source: https://stackoverflow.com/a/32955740
930            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
931            interval = exp.Interval(this=timestamp_diff, unit=unit)
932            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
933
934            return self.sql(dateadd)
SELECT_KINDS: Tuple[str, ...] = ()
TRY_SUPPORTED = False
AFTER_HAVING_MODIFIER_TRANSFORMS = {'qualify': <function Generator.<lambda>>, 'windows': <function Generator.<lambda>>}
Inherited Members
sqlglot.generator.Generator
Generator
IGNORE_NULLS_IN_FUNC
EXPLICIT_UNION
WRAP_DERIVED_VALUES
CREATE_FUNCTION_RETURN_AS
MATCHED_BY_SOURCE
SINGLE_STRING_INTERVAL
INTERVAL_ALLOWS_PLURAL_FORM
RENAME_TABLE_WITH_DB
GROUPINGS_SEP
INDEX_ON
QUERY_HINTS
IS_BOOL_ALLOWED
LIMIT_IS_TOP
RETURNING_END
COLUMN_JOIN_MARKS_SUPPORTED
EXTRACT_ALLOWS_QUOTES
TZ_TO_WITH_TIME_ZONE
ALTER_TABLE_INCLUDE_COLUMN_KEYWORD
UNNEST_WITH_ORDINALITY
AGGREGATE_FILTER_SUPPORTED
SEMI_ANTI_JOIN_WITH_SIDE
COMPUTED_COLUMN_WITH_TYPE
SUPPORTS_TABLE_COPY
TABLESAMPLE_REQUIRES_PARENS
TABLESAMPLE_SIZE_IS_ROWS
TABLESAMPLE_KEYWORDS
TABLESAMPLE_WITH_METHOD
TABLESAMPLE_SEED_KEYWORD
COLLATE_IS_FUNC
DATA_TYPE_SPECIFIERS_ALLOWED
ENSURE_BOOLS
CTE_RECURSIVE_KEYWORD_REQUIRED
SUPPORTS_SINGLE_ARG_CONCAT
SUPPORTS_TABLE_ALIAS_COLUMNS
UNPIVOT_ALIASES_ARE_IDENTIFIERS
INSERT_OVERWRITE
SUPPORTS_SELECT_INTO
SUPPORTS_UNLOGGED_TABLES
SUPPORTS_CREATE_TABLE_LIKE
LIKE_PROPERTY_INSIDE_SCHEMA
MULTI_ARG_DISTINCT
JSON_PATH_SINGLE_QUOTE_ESCAPE
SUPPORTED_JSON_PATH_PARTS
CAN_IMPLEMENT_ARRAY_ANY
OUTER_UNION_MODIFIERS
COPY_PARAMS_ARE_WRAPPED
COPY_PARAMS_EQ_REQUIRED
COPY_HAS_INTO_KEYWORD
STAR_EXCEPT
HEX_FUNC
WITH_PROPERTIES_PREFIX
TIME_PART_SINGULARS
TOKEN_MAPPING
STRUCT_DELIMITER
PARAMETER_TOKEN
NAMED_PLACEHOLDER_TOKEN
RESERVED_KEYWORDS
WITH_SEPARATED_COMMENTS
EXCLUDE_COMMENTS
UNWRAPPED_INTERVAL_VALUES
PARAMETERIZABLE_TEXT_TYPES
EXPRESSIONS_WITHOUT_NESTED_CTES
SENTINEL_LINE_BREAK
pretty
identify
normalize
pad
unsupported_level
max_unsupported
leading_comma
max_text_width
comments
dialect
normalize_functions
unsupported_messages
generate
preprocess
unsupported
sep
seg
pad_comment
maybe_comment
wrap
no_identify
normalize_func
indent
sql
uncache_sql
cache_sql
characterset_sql
column_parts
column_sql
columnposition_sql
columndef_sql
columnconstraint_sql
computedcolumnconstraint_sql
autoincrementcolumnconstraint_sql
compresscolumnconstraint_sql
generatedasidentitycolumnconstraint_sql
generatedasrowcolumnconstraint_sql
periodforsystemtimeconstraint_sql
notnullcolumnconstraint_sql
transformcolumnconstraint_sql
primarykeycolumnconstraint_sql
uniquecolumnconstraint_sql
createable_sql
create_sql
sequenceproperties_sql
clone_sql
describe_sql
heredoc_sql
prepend_ctes
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cte_sql
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bitstring_sql
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rawstring_sql
datatypeparam_sql
directory_sql
delete_sql
drop_sql
except_sql
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fetch_sql
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indexparameters_sql
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identifier_sql
hex_sql
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properties_sql
root_properties
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with_properties
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property_name
property_sql
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fallbackproperty_sql
journalproperty_sql
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checksumproperty_sql
mergeblockratioproperty_sql
datablocksizeproperty_sql
blockcompressionproperty_sql
isolatedloadingproperty_sql
partitionboundspec_sql
partitionedofproperty_sql
lockingproperty_sql
withdataproperty_sql
withsystemversioningproperty_sql
insert_sql
intersect_sql
intersect_op
introducer_sql
kill_sql
pseudotype_sql
objectidentifier_sql
onconflict_sql
returning_sql
rowformatdelimitedproperty_sql
withtablehint_sql
indextablehint_sql
historicaldata_sql
table_parts
table_sql
tablesample_sql
pivot_sql
version_sql
tuple_sql
update_sql
values_sql
var_sql
into_sql
from_sql
group_sql
having_sql
connect_sql
prior_sql
join_sql
lambda_sql
lateral_op
lateral_sql
limit_sql
offset_sql
setitem_sql
set_sql
pragma_sql
lock_sql
literal_sql
escape_str
loaddata_sql
null_sql
boolean_sql
order_sql
withfill_sql
cluster_sql
distribute_sql
sort_sql
ordered_sql
matchrecognizemeasure_sql
matchrecognize_sql
query_modifiers
queryoption_sql
offset_limit_modifiers
after_limit_modifiers
select_sql
schema_sql
schema_columns_sql
star_sql
parameter_sql
sessionparameter_sql
placeholder_sql
subquery_sql
qualify_sql
set_operations
union_sql
union_op
unnest_sql
prewhere_sql
where_sql
window_sql
partition_by_sql
windowspec_sql
withingroup_sql
between_sql
bracket_offset_expressions
bracket_sql
all_sql
any_sql
exists_sql
case_sql
constraint_sql
nextvaluefor_sql
trim_sql
convert_concat_args
concat_sql
concatws_sql
check_sql
foreignkey_sql
primarykey_sql
if_sql
matchagainst_sql
jsonkeyvalue_sql
jsonpath_sql
json_path_part
formatjson_sql
jsonobject_sql
jsonobjectagg_sql
jsonarray_sql
jsonarrayagg_sql
jsoncolumndef_sql
jsonschema_sql
jsontable_sql
openjsoncolumndef_sql
openjson_sql
in_sql
in_unnest_op
interval_sql
return_sql
reference_sql
anonymous_sql
paren_sql
neg_sql
not_sql
alias_sql
pivotalias_sql
aliases_sql
atindex_sql
attimezone_sql
fromtimezone_sql
add_sql
and_sql
or_sql
xor_sql
connector_sql
bitwiseand_sql
bitwiseleftshift_sql
bitwisenot_sql
bitwiseor_sql
bitwiserightshift_sql
bitwisexor_sql
currentdate_sql
currenttimestamp_sql
collate_sql
command_sql
comment_sql
mergetreettlaction_sql
mergetreettl_sql
transaction_sql
commit_sql
rollback_sql
alterdiststyle_sql
altersortkey_sql
renametable_sql
renamecolumn_sql
alterset_sql
altertable_sql
add_column_sql
droppartition_sql
addconstraint_sql
distinct_sql
ignorenulls_sql
respectnulls_sql
havingmax_sql
intdiv_sql
div_sql
overlaps_sql
distance_sql
dot_sql
eq_sql
propertyeq_sql
escape_sql
glob_sql
gt_sql
gte_sql
ilike_sql
ilikeany_sql
is_sql
like_sql
likeany_sql
similarto_sql
lt_sql
lte_sql
mod_sql
mul_sql
neq_sql
nullsafeeq_sql
nullsafeneq_sql
slice_sql
sub_sql
trycast_sql
try_sql
log_sql
use_sql
binary
function_fallback_sql
func
format_args
too_wide
format_time
expressions
op_expressions
naked_property
tag_sql
token_sql
userdefinedfunction_sql
joinhint_sql
kwarg_sql
when_sql
merge_sql
tochar_sql
tonumber_sql
dictproperty_sql
dictrange_sql
dictsubproperty_sql
oncluster_sql
clusteredbyproperty_sql
anyvalue_sql
querytransform_sql
indexconstraintoption_sql
checkcolumnconstraint_sql
indexcolumnconstraint_sql
nvl2_sql
comprehension_sql
columnprefix_sql
opclass_sql
predict_sql
forin_sql
refresh_sql
operator_sql
toarray_sql
tsordstotime_sql
tsordstotimestamp_sql
tsordstodate_sql
unixdate_sql
lastday_sql
dateadd_sql
arrayany_sql
generateseries_sql
struct_sql
partitionrange_sql
truncatetable_sql
convert_sql
copyparameter_sql
credentials_sql
copy_sql
semicolon_sql
datadeletionproperty_sql