Edit on GitHub

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    length_or_char_length_sql,
  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_sql,
  26    unit_to_var,
  27    trim_sql,
  28    timestrtotime_sql,
  29)
  30from sqlglot.generator import unsupported_args
  31from sqlglot.helper import seq_get
  32from sqlglot.tokens import TokenType
  33
  34
  35def _show_parser(*args: t.Any, **kwargs: t.Any) -> t.Callable[[MySQL.Parser], exp.Show]:
  36    def _parse(self: MySQL.Parser) -> exp.Show:
  37        return self._parse_show_mysql(*args, **kwargs)
  38
  39    return _parse
  40
  41
  42def _date_trunc_sql(self: MySQL.Generator, expression: exp.DateTrunc) -> str:
  43    expr = self.sql(expression, "this")
  44    unit = expression.text("unit").upper()
  45
  46    if unit == "WEEK":
  47        concat = f"CONCAT(YEAR({expr}), ' ', WEEK({expr}, 1), ' 1')"
  48        date_format = "%Y %u %w"
  49    elif unit == "MONTH":
  50        concat = f"CONCAT(YEAR({expr}), ' ', MONTH({expr}), ' 1')"
  51        date_format = "%Y %c %e"
  52    elif unit == "QUARTER":
  53        concat = f"CONCAT(YEAR({expr}), ' ', QUARTER({expr}) * 3 - 2, ' 1')"
  54        date_format = "%Y %c %e"
  55    elif unit == "YEAR":
  56        concat = f"CONCAT(YEAR({expr}), ' 1 1')"
  57        date_format = "%Y %c %e"
  58    else:
  59        if unit != "DAY":
  60            self.unsupported(f"Unexpected interval unit: {unit}")
  61        return self.func("DATE", expr)
  62
  63    return self.func("STR_TO_DATE", concat, f"'{date_format}'")
  64
  65
  66# All specifiers for time parts (as opposed to date parts)
  67# https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html#function_date-format
  68TIME_SPECIFIERS = {"f", "H", "h", "I", "i", "k", "l", "p", "r", "S", "s", "T"}
  69
  70
  71def _has_time_specifier(date_format: str) -> bool:
  72    i = 0
  73    length = len(date_format)
  74
  75    while i < length:
  76        if date_format[i] == "%":
  77            i += 1
  78            if i < length and date_format[i] in TIME_SPECIFIERS:
  79                return True
  80        i += 1
  81    return False
  82
  83
  84def _str_to_date(args: t.List) -> exp.StrToDate | exp.StrToTime:
  85    mysql_date_format = seq_get(args, 1)
  86    date_format = MySQL.format_time(mysql_date_format)
  87    this = seq_get(args, 0)
  88
  89    if mysql_date_format and _has_time_specifier(mysql_date_format.name):
  90        return exp.StrToTime(this=this, format=date_format)
  91
  92    return exp.StrToDate(this=this, format=date_format)
  93
  94
  95def _str_to_date_sql(
  96    self: MySQL.Generator, expression: exp.StrToDate | exp.StrToTime | exp.TsOrDsToDate
  97) -> str:
  98    return self.func("STR_TO_DATE", expression.this, self.format_time(expression))
  99
 100
 101def _unix_to_time_sql(self: MySQL.Generator, expression: exp.UnixToTime) -> str:
 102    scale = expression.args.get("scale")
 103    timestamp = expression.this
 104
 105    if scale in (None, exp.UnixToTime.SECONDS):
 106        return self.func("FROM_UNIXTIME", timestamp, self.format_time(expression))
 107
 108    return self.func(
 109        "FROM_UNIXTIME",
 110        exp.Div(this=timestamp, expression=exp.func("POW", 10, scale)),
 111        self.format_time(expression),
 112    )
 113
 114
 115def date_add_sql(
 116    kind: str,
 117) -> t.Callable[[generator.Generator, exp.Expression], str]:
 118    def func(self: generator.Generator, expression: exp.Expression) -> str:
 119        return self.func(
 120            f"DATE_{kind}",
 121            expression.this,
 122            exp.Interval(this=expression.expression, unit=unit_to_var(expression)),
 123        )
 124
 125    return func
 126
 127
 128def _ts_or_ds_to_date_sql(self: MySQL.Generator, expression: exp.TsOrDsToDate) -> str:
 129    time_format = expression.args.get("format")
 130    return _str_to_date_sql(self, expression) if time_format else self.func("DATE", expression.this)
 131
 132
 133def _remove_ts_or_ds_to_date(
 134    to_sql: t.Optional[t.Callable[[MySQL.Generator, exp.Expression], str]] = None,
 135    args: t.Tuple[str, ...] = ("this",),
 136) -> t.Callable[[MySQL.Generator, exp.Func], str]:
 137    def func(self: MySQL.Generator, expression: exp.Func) -> str:
 138        for arg_key in args:
 139            arg = expression.args.get(arg_key)
 140            if isinstance(arg, exp.TsOrDsToDate) and not arg.args.get("format"):
 141                expression.set(arg_key, arg.this)
 142
 143        return to_sql(self, expression) if to_sql else self.function_fallback_sql(expression)
 144
 145    return func
 146
 147
 148class MySQL(Dialect):
 149    PROMOTE_TO_INFERRED_DATETIME_TYPE = True
 150
 151    # https://dev.mysql.com/doc/refman/8.0/en/identifiers.html
 152    IDENTIFIERS_CAN_START_WITH_DIGIT = True
 153
 154    # We default to treating all identifiers as case-sensitive, since it matches MySQL's
 155    # behavior on Linux systems. For MacOS and Windows systems, one can override this
 156    # setting by specifying `dialect="mysql, normalization_strategy = lowercase"`.
 157    #
 158    # See also https://dev.mysql.com/doc/refman/8.2/en/identifier-case-sensitivity.html
 159    NORMALIZATION_STRATEGY = NormalizationStrategy.CASE_SENSITIVE
 160
 161    TIME_FORMAT = "'%Y-%m-%d %T'"
 162    DPIPE_IS_STRING_CONCAT = False
 163    SUPPORTS_USER_DEFINED_TYPES = False
 164    SUPPORTS_SEMI_ANTI_JOIN = False
 165    SAFE_DIVISION = True
 166
 167    # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions
 168    TIME_MAPPING = {
 169        "%M": "%B",
 170        "%c": "%-m",
 171        "%e": "%-d",
 172        "%h": "%I",
 173        "%i": "%M",
 174        "%s": "%S",
 175        "%u": "%W",
 176        "%k": "%-H",
 177        "%l": "%-I",
 178        "%T": "%H:%M:%S",
 179        "%W": "%A",
 180    }
 181
 182    class Tokenizer(tokens.Tokenizer):
 183        QUOTES = ["'", '"']
 184        COMMENTS = ["--", "#", ("/*", "*/")]
 185        IDENTIFIERS = ["`"]
 186        STRING_ESCAPES = ["'", '"', "\\"]
 187        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
 188        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
 189
 190        NESTED_COMMENTS = False
 191
 192        KEYWORDS = {
 193            **tokens.Tokenizer.KEYWORDS,
 194            "CHARSET": TokenType.CHARACTER_SET,
 195            # The DESCRIBE and EXPLAIN statements are synonyms.
 196            # https://dev.mysql.com/doc/refman/8.4/en/explain.html
 197            "BLOB": TokenType.BLOB,
 198            "EXPLAIN": TokenType.DESCRIBE,
 199            "FORCE": TokenType.FORCE,
 200            "IGNORE": TokenType.IGNORE,
 201            "KEY": TokenType.KEY,
 202            "LOCK TABLES": TokenType.COMMAND,
 203            "LONGBLOB": TokenType.LONGBLOB,
 204            "LONGTEXT": TokenType.LONGTEXT,
 205            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
 206            "TINYBLOB": TokenType.TINYBLOB,
 207            "TINYTEXT": TokenType.TINYTEXT,
 208            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
 209            "MEDIUMINT": TokenType.MEDIUMINT,
 210            "MEMBER OF": TokenType.MEMBER_OF,
 211            "SEPARATOR": TokenType.SEPARATOR,
 212            "SERIAL": TokenType.SERIAL,
 213            "START": TokenType.BEGIN,
 214            "SIGNED": TokenType.BIGINT,
 215            "SIGNED INTEGER": TokenType.BIGINT,
 216            "TIMESTAMP": TokenType.TIMESTAMPTZ,
 217            "UNLOCK TABLES": TokenType.COMMAND,
 218            "UNSIGNED": TokenType.UBIGINT,
 219            "UNSIGNED INTEGER": TokenType.UBIGINT,
 220            "YEAR": TokenType.YEAR,
 221            "_ARMSCII8": TokenType.INTRODUCER,
 222            "_ASCII": TokenType.INTRODUCER,
 223            "_BIG5": TokenType.INTRODUCER,
 224            "_BINARY": TokenType.INTRODUCER,
 225            "_CP1250": TokenType.INTRODUCER,
 226            "_CP1251": TokenType.INTRODUCER,
 227            "_CP1256": TokenType.INTRODUCER,
 228            "_CP1257": TokenType.INTRODUCER,
 229            "_CP850": TokenType.INTRODUCER,
 230            "_CP852": TokenType.INTRODUCER,
 231            "_CP866": TokenType.INTRODUCER,
 232            "_CP932": TokenType.INTRODUCER,
 233            "_DEC8": TokenType.INTRODUCER,
 234            "_EUCJPMS": TokenType.INTRODUCER,
 235            "_EUCKR": TokenType.INTRODUCER,
 236            "_GB18030": TokenType.INTRODUCER,
 237            "_GB2312": TokenType.INTRODUCER,
 238            "_GBK": TokenType.INTRODUCER,
 239            "_GEOSTD8": TokenType.INTRODUCER,
 240            "_GREEK": TokenType.INTRODUCER,
 241            "_HEBREW": TokenType.INTRODUCER,
 242            "_HP8": TokenType.INTRODUCER,
 243            "_KEYBCS2": TokenType.INTRODUCER,
 244            "_KOI8R": TokenType.INTRODUCER,
 245            "_KOI8U": TokenType.INTRODUCER,
 246            "_LATIN1": TokenType.INTRODUCER,
 247            "_LATIN2": TokenType.INTRODUCER,
 248            "_LATIN5": TokenType.INTRODUCER,
 249            "_LATIN7": TokenType.INTRODUCER,
 250            "_MACCE": TokenType.INTRODUCER,
 251            "_MACROMAN": TokenType.INTRODUCER,
 252            "_SJIS": TokenType.INTRODUCER,
 253            "_SWE7": TokenType.INTRODUCER,
 254            "_TIS620": TokenType.INTRODUCER,
 255            "_UCS2": TokenType.INTRODUCER,
 256            "_UJIS": TokenType.INTRODUCER,
 257            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
 258            "_UTF8": TokenType.INTRODUCER,
 259            "_UTF16": TokenType.INTRODUCER,
 260            "_UTF16LE": TokenType.INTRODUCER,
 261            "_UTF32": TokenType.INTRODUCER,
 262            "_UTF8MB3": TokenType.INTRODUCER,
 263            "_UTF8MB4": TokenType.INTRODUCER,
 264            "@@": TokenType.SESSION_PARAMETER,
 265        }
 266
 267        COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW}
 268
 269    class Parser(parser.Parser):
 270        FUNC_TOKENS = {
 271            *parser.Parser.FUNC_TOKENS,
 272            TokenType.DATABASE,
 273            TokenType.SCHEMA,
 274            TokenType.VALUES,
 275        }
 276
 277        CONJUNCTION = {
 278            **parser.Parser.CONJUNCTION,
 279            TokenType.DAMP: exp.And,
 280            TokenType.XOR: exp.Xor,
 281        }
 282
 283        DISJUNCTION = {
 284            **parser.Parser.DISJUNCTION,
 285            TokenType.DPIPE: exp.Or,
 286        }
 287
 288        TABLE_ALIAS_TOKENS = (
 289            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
 290        )
 291
 292        RANGE_PARSERS = {
 293            **parser.Parser.RANGE_PARSERS,
 294            TokenType.MEMBER_OF: lambda self, this: self.expression(
 295                exp.JSONArrayContains,
 296                this=this,
 297                expression=self._parse_wrapped(self._parse_expression),
 298            ),
 299        }
 300
 301        FUNCTIONS = {
 302            **parser.Parser.FUNCTIONS,
 303            "CONVERT_TZ": lambda args: exp.ConvertTimezone(
 304                source_tz=seq_get(args, 1), target_tz=seq_get(args, 2), timestamp=seq_get(args, 0)
 305            ),
 306            "CURDATE": exp.CurrentDate.from_arg_list,
 307            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
 308            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
 309            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
 310            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
 311            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 312            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 313            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 314            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 315            "FORMAT": exp.NumberToStr.from_arg_list,
 316            "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"),
 317            "ISNULL": isnull_to_is_null,
 318            "LENGTH": lambda args: exp.Length(this=seq_get(args, 0), binary=True),
 319            "MAKETIME": exp.TimeFromParts.from_arg_list,
 320            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 321            "MONTHNAME": lambda args: exp.TimeToStr(
 322                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
 323                format=exp.Literal.string("%B"),
 324            ),
 325            "SCHEMA": exp.CurrentSchema.from_arg_list,
 326            "DATABASE": exp.CurrentSchema.from_arg_list,
 327            "STR_TO_DATE": _str_to_date,
 328            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
 329            "TO_DAYS": lambda args: exp.paren(
 330                exp.DateDiff(
 331                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
 332                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
 333                    unit=exp.var("DAY"),
 334                )
 335                + 1
 336            ),
 337            "WEEK": lambda args: exp.Week(
 338                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
 339            ),
 340            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 341            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 342        }
 343
 344        FUNCTION_PARSERS = {
 345            **parser.Parser.FUNCTION_PARSERS,
 346            "CHAR": lambda self: self.expression(
 347                exp.Chr,
 348                expressions=self._parse_csv(self._parse_assignment),
 349                charset=self._match(TokenType.USING) and self._parse_var(),
 350            ),
 351            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
 352            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
 353            "VALUES": lambda self: self.expression(
 354                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
 355            ),
 356            "JSON_VALUE": lambda self: self._parse_json_value(),
 357        }
 358
 359        STATEMENT_PARSERS = {
 360            **parser.Parser.STATEMENT_PARSERS,
 361            TokenType.SHOW: lambda self: self._parse_show(),
 362        }
 363
 364        SHOW_PARSERS = {
 365            "BINARY LOGS": _show_parser("BINARY LOGS"),
 366            "MASTER LOGS": _show_parser("BINARY LOGS"),
 367            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
 368            "CHARACTER SET": _show_parser("CHARACTER SET"),
 369            "CHARSET": _show_parser("CHARACTER SET"),
 370            "COLLATION": _show_parser("COLLATION"),
 371            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
 372            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
 373            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
 374            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
 375            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
 376            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
 377            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
 378            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
 379            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
 380            "DATABASES": _show_parser("DATABASES"),
 381            "SCHEMAS": _show_parser("DATABASES"),
 382            "ENGINE": _show_parser("ENGINE", target=True),
 383            "STORAGE ENGINES": _show_parser("ENGINES"),
 384            "ENGINES": _show_parser("ENGINES"),
 385            "ERRORS": _show_parser("ERRORS"),
 386            "EVENTS": _show_parser("EVENTS"),
 387            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
 388            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
 389            "GRANTS": _show_parser("GRANTS", target="FOR"),
 390            "INDEX": _show_parser("INDEX", target="FROM"),
 391            "MASTER STATUS": _show_parser("MASTER STATUS"),
 392            "OPEN TABLES": _show_parser("OPEN TABLES"),
 393            "PLUGINS": _show_parser("PLUGINS"),
 394            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
 395            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
 396            "PRIVILEGES": _show_parser("PRIVILEGES"),
 397            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
 398            "PROCESSLIST": _show_parser("PROCESSLIST"),
 399            "PROFILE": _show_parser("PROFILE"),
 400            "PROFILES": _show_parser("PROFILES"),
 401            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
 402            "REPLICAS": _show_parser("REPLICAS"),
 403            "SLAVE HOSTS": _show_parser("REPLICAS"),
 404            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
 405            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
 406            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
 407            "SESSION STATUS": _show_parser("STATUS"),
 408            "STATUS": _show_parser("STATUS"),
 409            "TABLE STATUS": _show_parser("TABLE STATUS"),
 410            "FULL TABLES": _show_parser("TABLES", full=True),
 411            "TABLES": _show_parser("TABLES"),
 412            "TRIGGERS": _show_parser("TRIGGERS"),
 413            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
 414            "SESSION VARIABLES": _show_parser("VARIABLES"),
 415            "VARIABLES": _show_parser("VARIABLES"),
 416            "WARNINGS": _show_parser("WARNINGS"),
 417        }
 418
 419        PROPERTY_PARSERS = {
 420            **parser.Parser.PROPERTY_PARSERS,
 421            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
 422        }
 423
 424        SET_PARSERS = {
 425            **parser.Parser.SET_PARSERS,
 426            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
 427            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
 428            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
 429            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
 430            "NAMES": lambda self: self._parse_set_item_names(),
 431        }
 432
 433        CONSTRAINT_PARSERS = {
 434            **parser.Parser.CONSTRAINT_PARSERS,
 435            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
 436            "INDEX": lambda self: self._parse_index_constraint(),
 437            "KEY": lambda self: self._parse_index_constraint(),
 438            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
 439        }
 440
 441        ALTER_PARSERS = {
 442            **parser.Parser.ALTER_PARSERS,
 443            "MODIFY": lambda self: self._parse_alter_table_alter(),
 444        }
 445
 446        ALTER_ALTER_PARSERS = {
 447            **parser.Parser.ALTER_ALTER_PARSERS,
 448            "INDEX": lambda self: self._parse_alter_table_alter_index(),
 449        }
 450
 451        SCHEMA_UNNAMED_CONSTRAINTS = {
 452            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
 453            "FULLTEXT",
 454            "INDEX",
 455            "KEY",
 456            "SPATIAL",
 457        }
 458
 459        PROFILE_TYPES: parser.OPTIONS_TYPE = {
 460            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
 461            "BLOCK": ("IO",),
 462            "CONTEXT": ("SWITCHES",),
 463            "PAGE": ("FAULTS",),
 464        }
 465
 466        TYPE_TOKENS = {
 467            *parser.Parser.TYPE_TOKENS,
 468            TokenType.SET,
 469        }
 470
 471        ENUM_TYPE_TOKENS = {
 472            *parser.Parser.ENUM_TYPE_TOKENS,
 473            TokenType.SET,
 474        }
 475
 476        # SELECT [ ALL | DISTINCT | DISTINCTROW ] [ <OPERATION_MODIFIERS> ]
 477        OPERATION_MODIFIERS = {
 478            "HIGH_PRIORITY",
 479            "STRAIGHT_JOIN",
 480            "SQL_SMALL_RESULT",
 481            "SQL_BIG_RESULT",
 482            "SQL_BUFFER_RESULT",
 483            "SQL_NO_CACHE",
 484            "SQL_CALC_FOUND_ROWS",
 485        }
 486
 487        LOG_DEFAULTS_TO_LN = True
 488        STRING_ALIASES = True
 489        VALUES_FOLLOWED_BY_PAREN = False
 490        SUPPORTS_PARTITION_SELECTION = True
 491
 492        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
 493            this = self._parse_id_var()
 494            if not self._match(TokenType.L_PAREN):
 495                return this
 496
 497            expression = self._parse_number()
 498            self._match_r_paren()
 499            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
 500
 501        def _parse_index_constraint(
 502            self, kind: t.Optional[str] = None
 503        ) -> exp.IndexColumnConstraint:
 504            if kind:
 505                self._match_texts(("INDEX", "KEY"))
 506
 507            this = self._parse_id_var(any_token=False)
 508            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
 509            expressions = self._parse_wrapped_csv(self._parse_ordered)
 510
 511            options = []
 512            while True:
 513                if self._match_text_seq("KEY_BLOCK_SIZE"):
 514                    self._match(TokenType.EQ)
 515                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
 516                elif self._match(TokenType.USING):
 517                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
 518                elif self._match_text_seq("WITH", "PARSER"):
 519                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
 520                elif self._match(TokenType.COMMENT):
 521                    opt = exp.IndexConstraintOption(comment=self._parse_string())
 522                elif self._match_text_seq("VISIBLE"):
 523                    opt = exp.IndexConstraintOption(visible=True)
 524                elif self._match_text_seq("INVISIBLE"):
 525                    opt = exp.IndexConstraintOption(visible=False)
 526                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
 527                    self._match(TokenType.EQ)
 528                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
 529                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
 530                    self._match(TokenType.EQ)
 531                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
 532                else:
 533                    opt = None
 534
 535                if not opt:
 536                    break
 537
 538                options.append(opt)
 539
 540            return self.expression(
 541                exp.IndexColumnConstraint,
 542                this=this,
 543                expressions=expressions,
 544                kind=kind,
 545                index_type=index_type,
 546                options=options,
 547            )
 548
 549        def _parse_show_mysql(
 550            self,
 551            this: str,
 552            target: bool | str = False,
 553            full: t.Optional[bool] = None,
 554            global_: t.Optional[bool] = None,
 555        ) -> exp.Show:
 556            if target:
 557                if isinstance(target, str):
 558                    self._match_text_seq(target)
 559                target_id = self._parse_id_var()
 560            else:
 561                target_id = None
 562
 563            log = self._parse_string() if self._match_text_seq("IN") else None
 564
 565            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
 566                position = self._parse_number() if self._match_text_seq("FROM") else None
 567                db = None
 568            else:
 569                position = None
 570                db = None
 571
 572                if self._match(TokenType.FROM):
 573                    db = self._parse_id_var()
 574                elif self._match(TokenType.DOT):
 575                    db = target_id
 576                    target_id = self._parse_id_var()
 577
 578            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
 579
 580            like = self._parse_string() if self._match_text_seq("LIKE") else None
 581            where = self._parse_where()
 582
 583            if this == "PROFILE":
 584                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
 585                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
 586                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
 587                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
 588            else:
 589                types, query = None, None
 590                offset, limit = self._parse_oldstyle_limit()
 591
 592            mutex = True if self._match_text_seq("MUTEX") else None
 593            mutex = False if self._match_text_seq("STATUS") else mutex
 594
 595            return self.expression(
 596                exp.Show,
 597                this=this,
 598                target=target_id,
 599                full=full,
 600                log=log,
 601                position=position,
 602                db=db,
 603                channel=channel,
 604                like=like,
 605                where=where,
 606                types=types,
 607                query=query,
 608                offset=offset,
 609                limit=limit,
 610                mutex=mutex,
 611                **{"global": global_},  # type: ignore
 612            )
 613
 614        def _parse_oldstyle_limit(
 615            self,
 616        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
 617            limit = None
 618            offset = None
 619            if self._match_text_seq("LIMIT"):
 620                parts = self._parse_csv(self._parse_number)
 621                if len(parts) == 1:
 622                    limit = parts[0]
 623                elif len(parts) == 2:
 624                    limit = parts[1]
 625                    offset = parts[0]
 626
 627            return offset, limit
 628
 629        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
 630            this = self._parse_string() or self._parse_unquoted_field()
 631            return self.expression(exp.SetItem, this=this, kind=kind)
 632
 633        def _parse_set_item_names(self) -> exp.Expression:
 634            charset = self._parse_string() or self._parse_unquoted_field()
 635            if self._match_text_seq("COLLATE"):
 636                collate = self._parse_string() or self._parse_unquoted_field()
 637            else:
 638                collate = None
 639
 640            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
 641
 642        def _parse_type(
 643            self, parse_interval: bool = True, fallback_to_identifier: bool = False
 644        ) -> t.Optional[exp.Expression]:
 645            # mysql binary is special and can work anywhere, even in order by operations
 646            # it operates like a no paren func
 647            if self._match(TokenType.BINARY, advance=False):
 648                data_type = self._parse_types(check_func=True, allow_identifiers=False)
 649
 650                if isinstance(data_type, exp.DataType):
 651                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
 652
 653            return super()._parse_type(
 654                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
 655            )
 656
 657        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
 658            def concat_exprs(
 659                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
 660            ) -> exp.Expression:
 661                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
 662                    concat_exprs = [
 663                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
 664                    ]
 665                    node.set("expressions", concat_exprs)
 666                    return node
 667                if len(exprs) == 1:
 668                    return exprs[0]
 669                return self.expression(exp.Concat, expressions=args, safe=True)
 670
 671            args = self._parse_csv(self._parse_lambda)
 672
 673            if args:
 674                order = args[-1] if isinstance(args[-1], exp.Order) else None
 675
 676                if order:
 677                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
 678                    # remove 'expr' from exp.Order and add it back to args
 679                    args[-1] = order.this
 680                    order.set("this", concat_exprs(order.this, args))
 681
 682                this = order or concat_exprs(args[0], args)
 683            else:
 684                this = None
 685
 686            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
 687
 688            return self.expression(exp.GroupConcat, this=this, separator=separator)
 689
 690        def _parse_json_value(self) -> exp.JSONValue:
 691            this = self._parse_bitwise()
 692            self._match(TokenType.COMMA)
 693            path = self._parse_bitwise()
 694
 695            returning = self._match(TokenType.RETURNING) and self._parse_type()
 696
 697            return self.expression(
 698                exp.JSONValue,
 699                this=this,
 700                path=self.dialect.to_json_path(path),
 701                returning=returning,
 702                on_condition=self._parse_on_condition(),
 703            )
 704
 705        def _parse_alter_table_alter_index(self) -> exp.AlterIndex:
 706            index = self._parse_field(any_token=True)
 707
 708            if self._match_text_seq("VISIBLE"):
 709                visible = True
 710            elif self._match_text_seq("INVISIBLE"):
 711                visible = False
 712            else:
 713                visible = None
 714
 715            return self.expression(exp.AlterIndex, this=index, visible=visible)
 716
 717    class Generator(generator.Generator):
 718        INTERVAL_ALLOWS_PLURAL_FORM = False
 719        LOCKING_READS_SUPPORTED = True
 720        NULL_ORDERING_SUPPORTED = None
 721        JOIN_HINTS = False
 722        TABLE_HINTS = True
 723        DUPLICATE_KEY_UPDATE_WITH_SET = False
 724        QUERY_HINT_SEP = " "
 725        VALUES_AS_TABLE = False
 726        NVL2_SUPPORTED = False
 727        LAST_DAY_SUPPORTS_DATE_PART = False
 728        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
 729        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
 730        JSON_KEY_VALUE_PAIR_SEP = ","
 731        SUPPORTS_TO_NUMBER = False
 732        PARSE_JSON_NAME: t.Optional[str] = None
 733        PAD_FILL_PATTERN_IS_REQUIRED = True
 734        WRAP_DERIVED_VALUES = False
 735        VARCHAR_REQUIRES_SIZE = True
 736        SUPPORTS_MEDIAN = False
 737
 738        TRANSFORMS = {
 739            **generator.Generator.TRANSFORMS,
 740            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
 741            exp.CurrentDate: no_paren_current_date_sql,
 742            exp.DateDiff: _remove_ts_or_ds_to_date(
 743                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
 744            ),
 745            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
 746            exp.DateStrToDate: datestrtodate_sql,
 747            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
 748            exp.DateTrunc: _date_trunc_sql,
 749            exp.Day: _remove_ts_or_ds_to_date(),
 750            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
 751            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
 752            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
 753            exp.GroupConcat: lambda self,
 754            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
 755            exp.ILike: no_ilike_sql,
 756            exp.JSONExtractScalar: arrow_json_extract_sql,
 757            exp.Length: length_or_char_length_sql,
 758            exp.LogicalOr: rename_func("MAX"),
 759            exp.LogicalAnd: rename_func("MIN"),
 760            exp.Max: max_or_greatest,
 761            exp.Min: min_or_least,
 762            exp.Month: _remove_ts_or_ds_to_date(),
 763            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
 764            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
 765            exp.NumberToStr: rename_func("FORMAT"),
 766            exp.Pivot: no_pivot_sql,
 767            exp.Select: transforms.preprocess(
 768                [
 769                    transforms.eliminate_distinct_on,
 770                    transforms.eliminate_semi_and_anti_joins,
 771                    transforms.eliminate_qualify,
 772                    transforms.eliminate_full_outer_join,
 773                    transforms.unnest_generate_date_array_using_recursive_cte,
 774                ]
 775            ),
 776            exp.StrPosition: lambda self, e: strposition_sql(
 777                self, e, func_name="LOCATE", supports_position=True
 778            ),
 779            exp.StrToDate: _str_to_date_sql,
 780            exp.StrToTime: _str_to_date_sql,
 781            exp.Stuff: rename_func("INSERT"),
 782            exp.TableSample: no_tablesample_sql,
 783            exp.TimeFromParts: rename_func("MAKETIME"),
 784            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
 785            exp.TimestampDiff: lambda self, e: self.func(
 786                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
 787            ),
 788            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
 789            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
 790            exp.TimeStrToTime: lambda self, e: timestrtotime_sql(
 791                self,
 792                e,
 793                include_precision=not e.args.get("zone"),
 794            ),
 795            exp.TimeToStr: _remove_ts_or_ds_to_date(
 796                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
 797            ),
 798            exp.Trim: trim_sql,
 799            exp.TryCast: no_trycast_sql,
 800            exp.TsOrDsAdd: date_add_sql("ADD"),
 801            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
 802            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
 803            exp.Unicode: lambda self, e: f"ORD(CONVERT({self.sql(e.this)} USING utf32))",
 804            exp.UnixToTime: _unix_to_time_sql,
 805            exp.Week: _remove_ts_or_ds_to_date(),
 806            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
 807            exp.Year: _remove_ts_or_ds_to_date(),
 808        }
 809
 810        UNSIGNED_TYPE_MAPPING = {
 811            exp.DataType.Type.UBIGINT: "BIGINT",
 812            exp.DataType.Type.UINT: "INT",
 813            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
 814            exp.DataType.Type.USMALLINT: "SMALLINT",
 815            exp.DataType.Type.UTINYINT: "TINYINT",
 816            exp.DataType.Type.UDECIMAL: "DECIMAL",
 817            exp.DataType.Type.UDOUBLE: "DOUBLE",
 818        }
 819
 820        TIMESTAMP_TYPE_MAPPING = {
 821            exp.DataType.Type.DATETIME2: "DATETIME",
 822            exp.DataType.Type.SMALLDATETIME: "DATETIME",
 823            exp.DataType.Type.TIMESTAMP: "DATETIME",
 824            exp.DataType.Type.TIMESTAMPNTZ: "DATETIME",
 825            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
 826            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
 827        }
 828
 829        TYPE_MAPPING = {
 830            **generator.Generator.TYPE_MAPPING,
 831            **UNSIGNED_TYPE_MAPPING,
 832            **TIMESTAMP_TYPE_MAPPING,
 833        }
 834
 835        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
 836        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
 837        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
 838        TYPE_MAPPING.pop(exp.DataType.Type.BLOB)
 839        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
 840        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
 841        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
 842
 843        PROPERTIES_LOCATION = {
 844            **generator.Generator.PROPERTIES_LOCATION,
 845            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
 846            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
 847        }
 848
 849        LIMIT_FETCH = "LIMIT"
 850
 851        LIMIT_ONLY_LITERALS = True
 852
 853        CHAR_CAST_MAPPING = dict.fromkeys(
 854            (
 855                exp.DataType.Type.LONGTEXT,
 856                exp.DataType.Type.LONGBLOB,
 857                exp.DataType.Type.MEDIUMBLOB,
 858                exp.DataType.Type.MEDIUMTEXT,
 859                exp.DataType.Type.TEXT,
 860                exp.DataType.Type.TINYBLOB,
 861                exp.DataType.Type.TINYTEXT,
 862                exp.DataType.Type.VARCHAR,
 863            ),
 864            "CHAR",
 865        )
 866        SIGNED_CAST_MAPPING = dict.fromkeys(
 867            (
 868                exp.DataType.Type.BIGINT,
 869                exp.DataType.Type.BOOLEAN,
 870                exp.DataType.Type.INT,
 871                exp.DataType.Type.SMALLINT,
 872                exp.DataType.Type.TINYINT,
 873                exp.DataType.Type.MEDIUMINT,
 874            ),
 875            "SIGNED",
 876        )
 877
 878        # MySQL doesn't support many datatypes in cast.
 879        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
 880        CAST_MAPPING = {
 881            **CHAR_CAST_MAPPING,
 882            **SIGNED_CAST_MAPPING,
 883            exp.DataType.Type.UBIGINT: "UNSIGNED",
 884        }
 885
 886        TIMESTAMP_FUNC_TYPES = {
 887            exp.DataType.Type.TIMESTAMPTZ,
 888            exp.DataType.Type.TIMESTAMPLTZ,
 889        }
 890
 891        # https://dev.mysql.com/doc/refman/8.0/en/keywords.html
 892        RESERVED_KEYWORDS = {
 893            "accessible",
 894            "add",
 895            "all",
 896            "alter",
 897            "analyze",
 898            "and",
 899            "as",
 900            "asc",
 901            "asensitive",
 902            "before",
 903            "between",
 904            "bigint",
 905            "binary",
 906            "blob",
 907            "both",
 908            "by",
 909            "call",
 910            "cascade",
 911            "case",
 912            "change",
 913            "char",
 914            "character",
 915            "check",
 916            "collate",
 917            "column",
 918            "condition",
 919            "constraint",
 920            "continue",
 921            "convert",
 922            "create",
 923            "cross",
 924            "cube",
 925            "cume_dist",
 926            "current_date",
 927            "current_time",
 928            "current_timestamp",
 929            "current_user",
 930            "cursor",
 931            "database",
 932            "databases",
 933            "day_hour",
 934            "day_microsecond",
 935            "day_minute",
 936            "day_second",
 937            "dec",
 938            "decimal",
 939            "declare",
 940            "default",
 941            "delayed",
 942            "delete",
 943            "dense_rank",
 944            "desc",
 945            "describe",
 946            "deterministic",
 947            "distinct",
 948            "distinctrow",
 949            "div",
 950            "double",
 951            "drop",
 952            "dual",
 953            "each",
 954            "else",
 955            "elseif",
 956            "empty",
 957            "enclosed",
 958            "escaped",
 959            "except",
 960            "exists",
 961            "exit",
 962            "explain",
 963            "false",
 964            "fetch",
 965            "first_value",
 966            "float",
 967            "float4",
 968            "float8",
 969            "for",
 970            "force",
 971            "foreign",
 972            "from",
 973            "fulltext",
 974            "function",
 975            "generated",
 976            "get",
 977            "grant",
 978            "group",
 979            "grouping",
 980            "groups",
 981            "having",
 982            "high_priority",
 983            "hour_microsecond",
 984            "hour_minute",
 985            "hour_second",
 986            "if",
 987            "ignore",
 988            "in",
 989            "index",
 990            "infile",
 991            "inner",
 992            "inout",
 993            "insensitive",
 994            "insert",
 995            "int",
 996            "int1",
 997            "int2",
 998            "int3",
 999            "int4",
1000            "int8",
1001            "integer",
1002            "intersect",
1003            "interval",
1004            "into",
1005            "io_after_gtids",
1006            "io_before_gtids",
1007            "is",
1008            "iterate",
1009            "join",
1010            "json_table",
1011            "key",
1012            "keys",
1013            "kill",
1014            "lag",
1015            "last_value",
1016            "lateral",
1017            "lead",
1018            "leading",
1019            "leave",
1020            "left",
1021            "like",
1022            "limit",
1023            "linear",
1024            "lines",
1025            "load",
1026            "localtime",
1027            "localtimestamp",
1028            "lock",
1029            "long",
1030            "longblob",
1031            "longtext",
1032            "loop",
1033            "low_priority",
1034            "master_bind",
1035            "master_ssl_verify_server_cert",
1036            "match",
1037            "maxvalue",
1038            "mediumblob",
1039            "mediumint",
1040            "mediumtext",
1041            "middleint",
1042            "minute_microsecond",
1043            "minute_second",
1044            "mod",
1045            "modifies",
1046            "natural",
1047            "not",
1048            "no_write_to_binlog",
1049            "nth_value",
1050            "ntile",
1051            "null",
1052            "numeric",
1053            "of",
1054            "on",
1055            "optimize",
1056            "optimizer_costs",
1057            "option",
1058            "optionally",
1059            "or",
1060            "order",
1061            "out",
1062            "outer",
1063            "outfile",
1064            "over",
1065            "partition",
1066            "percent_rank",
1067            "precision",
1068            "primary",
1069            "procedure",
1070            "purge",
1071            "range",
1072            "rank",
1073            "read",
1074            "reads",
1075            "read_write",
1076            "real",
1077            "recursive",
1078            "references",
1079            "regexp",
1080            "release",
1081            "rename",
1082            "repeat",
1083            "replace",
1084            "require",
1085            "resignal",
1086            "restrict",
1087            "return",
1088            "revoke",
1089            "right",
1090            "rlike",
1091            "row",
1092            "rows",
1093            "row_number",
1094            "schema",
1095            "schemas",
1096            "second_microsecond",
1097            "select",
1098            "sensitive",
1099            "separator",
1100            "set",
1101            "show",
1102            "signal",
1103            "smallint",
1104            "spatial",
1105            "specific",
1106            "sql",
1107            "sqlexception",
1108            "sqlstate",
1109            "sqlwarning",
1110            "sql_big_result",
1111            "sql_calc_found_rows",
1112            "sql_small_result",
1113            "ssl",
1114            "starting",
1115            "stored",
1116            "straight_join",
1117            "system",
1118            "table",
1119            "terminated",
1120            "then",
1121            "tinyblob",
1122            "tinyint",
1123            "tinytext",
1124            "to",
1125            "trailing",
1126            "trigger",
1127            "true",
1128            "undo",
1129            "union",
1130            "unique",
1131            "unlock",
1132            "unsigned",
1133            "update",
1134            "usage",
1135            "use",
1136            "using",
1137            "utc_date",
1138            "utc_time",
1139            "utc_timestamp",
1140            "values",
1141            "varbinary",
1142            "varchar",
1143            "varcharacter",
1144            "varying",
1145            "virtual",
1146            "when",
1147            "where",
1148            "while",
1149            "window",
1150            "with",
1151            "write",
1152            "xor",
1153            "year_month",
1154            "zerofill",
1155        }
1156
1157        def array_sql(self, expression: exp.Array) -> str:
1158            self.unsupported("Arrays are not supported by MySQL")
1159            return self.function_fallback_sql(expression)
1160
1161        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1162            self.unsupported("Array operations are not supported by MySQL")
1163            return self.function_fallback_sql(expression)
1164
1165        def dpipe_sql(self, expression: exp.DPipe) -> str:
1166            return self.func("CONCAT", *expression.flatten())
1167
1168        def extract_sql(self, expression: exp.Extract) -> str:
1169            unit = expression.name
1170            if unit and unit.lower() == "epoch":
1171                return self.func("UNIX_TIMESTAMP", expression.expression)
1172
1173            return super().extract_sql(expression)
1174
1175        def datatype_sql(self, expression: exp.DataType) -> str:
1176            if (
1177                self.VARCHAR_REQUIRES_SIZE
1178                and expression.is_type(exp.DataType.Type.VARCHAR)
1179                and not expression.expressions
1180            ):
1181                # `VARCHAR` must always have a size - if it doesn't, we always generate `TEXT`
1182                return "TEXT"
1183
1184            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1185            result = super().datatype_sql(expression)
1186            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1187                result = f"{result} UNSIGNED"
1188
1189            return result
1190
1191        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1192            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
1193
1194        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1195            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1196                return self.func("TIMESTAMP", expression.this)
1197
1198            to = self.CAST_MAPPING.get(expression.to.this)
1199
1200            if to:
1201                expression.to.set("this", to)
1202            return super().cast_sql(expression)
1203
1204        def show_sql(self, expression: exp.Show) -> str:
1205            this = f" {expression.name}"
1206            full = " FULL" if expression.args.get("full") else ""
1207            global_ = " GLOBAL" if expression.args.get("global") else ""
1208
1209            target = self.sql(expression, "target")
1210            target = f" {target}" if target else ""
1211            if expression.name in ("COLUMNS", "INDEX"):
1212                target = f" FROM{target}"
1213            elif expression.name == "GRANTS":
1214                target = f" FOR{target}"
1215
1216            db = self._prefixed_sql("FROM", expression, "db")
1217
1218            like = self._prefixed_sql("LIKE", expression, "like")
1219            where = self.sql(expression, "where")
1220
1221            types = self.expressions(expression, key="types")
1222            types = f" {types}" if types else types
1223            query = self._prefixed_sql("FOR QUERY", expression, "query")
1224
1225            if expression.name == "PROFILE":
1226                offset = self._prefixed_sql("OFFSET", expression, "offset")
1227                limit = self._prefixed_sql("LIMIT", expression, "limit")
1228            else:
1229                offset = ""
1230                limit = self._oldstyle_limit_sql(expression)
1231
1232            log = self._prefixed_sql("IN", expression, "log")
1233            position = self._prefixed_sql("FROM", expression, "position")
1234
1235            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1236
1237            if expression.name == "ENGINE":
1238                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1239            else:
1240                mutex_or_status = ""
1241
1242            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
1243
1244        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1245            dtype = self.sql(expression, "dtype")
1246            if not dtype:
1247                return super().altercolumn_sql(expression)
1248
1249            this = self.sql(expression, "this")
1250            return f"MODIFY COLUMN {this} {dtype}"
1251
1252        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
1253            sql = self.sql(expression, arg)
1254            return f" {prefix} {sql}" if sql else ""
1255
1256        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
1257            limit = self.sql(expression, "limit")
1258            offset = self.sql(expression, "offset")
1259            if limit:
1260                limit_offset = f"{offset}, {limit}" if offset else limit
1261                return f" LIMIT {limit_offset}"
1262            return ""
1263
1264        def chr_sql(self, expression: exp.Chr) -> str:
1265            this = self.expressions(sqls=[expression.this] + expression.expressions)
1266            charset = expression.args.get("charset")
1267            using = f" USING {self.sql(charset)}" if charset else ""
1268            return f"CHAR({this}{using})"
1269
1270        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1271            unit = expression.args.get("unit")
1272
1273            # Pick an old-enough date to avoid negative timestamp diffs
1274            start_ts = "'0000-01-01 00:00:00'"
1275
1276            # Source: https://stackoverflow.com/a/32955740
1277            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1278            interval = exp.Interval(this=timestamp_diff, unit=unit)
1279            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1280
1281            return self.sql(dateadd)
1282
1283        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1284            from_tz = expression.args.get("source_tz")
1285            to_tz = expression.args.get("target_tz")
1286            dt = expression.args.get("timestamp")
1287
1288            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
1289
1290        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1291            self.unsupported("AT TIME ZONE is not supported by MySQL")
1292            return self.sql(expression.this)
1293
1294        def isascii_sql(self, expression: exp.IsAscii) -> str:
1295            return f"REGEXP_LIKE({self.sql(expression.this)}, '^[[:ascii:]]*$')"
1296
1297        @unsupported_args("this")
1298        def currentschema_sql(self, expression: exp.CurrentSchema) -> str:
1299            return self.func("SCHEMA")
TIME_SPECIFIERS = {'k', 'S', 'i', 's', 'h', 'H', 'f', 'l', 'r', 'T', 'I', 'p'}
def date_add_sql( kind: str) -> Callable[[sqlglot.generator.Generator, sqlglot.expressions.Expression], str]:
116def date_add_sql(
117    kind: str,
118) -> t.Callable[[generator.Generator, exp.Expression], str]:
119    def func(self: generator.Generator, expression: exp.Expression) -> str:
120        return self.func(
121            f"DATE_{kind}",
122            expression.this,
123            exp.Interval(this=expression.expression, unit=unit_to_var(expression)),
124        )
125
126    return func
class MySQL(sqlglot.dialects.dialect.Dialect):
 149class MySQL(Dialect):
 150    PROMOTE_TO_INFERRED_DATETIME_TYPE = True
 151
 152    # https://dev.mysql.com/doc/refman/8.0/en/identifiers.html
 153    IDENTIFIERS_CAN_START_WITH_DIGIT = True
 154
 155    # We default to treating all identifiers as case-sensitive, since it matches MySQL's
 156    # behavior on Linux systems. For MacOS and Windows systems, one can override this
 157    # setting by specifying `dialect="mysql, normalization_strategy = lowercase"`.
 158    #
 159    # See also https://dev.mysql.com/doc/refman/8.2/en/identifier-case-sensitivity.html
 160    NORMALIZATION_STRATEGY = NormalizationStrategy.CASE_SENSITIVE
 161
 162    TIME_FORMAT = "'%Y-%m-%d %T'"
 163    DPIPE_IS_STRING_CONCAT = False
 164    SUPPORTS_USER_DEFINED_TYPES = False
 165    SUPPORTS_SEMI_ANTI_JOIN = False
 166    SAFE_DIVISION = True
 167
 168    # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions
 169    TIME_MAPPING = {
 170        "%M": "%B",
 171        "%c": "%-m",
 172        "%e": "%-d",
 173        "%h": "%I",
 174        "%i": "%M",
 175        "%s": "%S",
 176        "%u": "%W",
 177        "%k": "%-H",
 178        "%l": "%-I",
 179        "%T": "%H:%M:%S",
 180        "%W": "%A",
 181    }
 182
 183    class Tokenizer(tokens.Tokenizer):
 184        QUOTES = ["'", '"']
 185        COMMENTS = ["--", "#", ("/*", "*/")]
 186        IDENTIFIERS = ["`"]
 187        STRING_ESCAPES = ["'", '"', "\\"]
 188        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
 189        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
 190
 191        NESTED_COMMENTS = False
 192
 193        KEYWORDS = {
 194            **tokens.Tokenizer.KEYWORDS,
 195            "CHARSET": TokenType.CHARACTER_SET,
 196            # The DESCRIBE and EXPLAIN statements are synonyms.
 197            # https://dev.mysql.com/doc/refman/8.4/en/explain.html
 198            "BLOB": TokenType.BLOB,
 199            "EXPLAIN": TokenType.DESCRIBE,
 200            "FORCE": TokenType.FORCE,
 201            "IGNORE": TokenType.IGNORE,
 202            "KEY": TokenType.KEY,
 203            "LOCK TABLES": TokenType.COMMAND,
 204            "LONGBLOB": TokenType.LONGBLOB,
 205            "LONGTEXT": TokenType.LONGTEXT,
 206            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
 207            "TINYBLOB": TokenType.TINYBLOB,
 208            "TINYTEXT": TokenType.TINYTEXT,
 209            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
 210            "MEDIUMINT": TokenType.MEDIUMINT,
 211            "MEMBER OF": TokenType.MEMBER_OF,
 212            "SEPARATOR": TokenType.SEPARATOR,
 213            "SERIAL": TokenType.SERIAL,
 214            "START": TokenType.BEGIN,
 215            "SIGNED": TokenType.BIGINT,
 216            "SIGNED INTEGER": TokenType.BIGINT,
 217            "TIMESTAMP": TokenType.TIMESTAMPTZ,
 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        }
 283
 284        DISJUNCTION = {
 285            **parser.Parser.DISJUNCTION,
 286            TokenType.DPIPE: exp.Or,
 287        }
 288
 289        TABLE_ALIAS_TOKENS = (
 290            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
 291        )
 292
 293        RANGE_PARSERS = {
 294            **parser.Parser.RANGE_PARSERS,
 295            TokenType.MEMBER_OF: lambda self, this: self.expression(
 296                exp.JSONArrayContains,
 297                this=this,
 298                expression=self._parse_wrapped(self._parse_expression),
 299            ),
 300        }
 301
 302        FUNCTIONS = {
 303            **parser.Parser.FUNCTIONS,
 304            "CONVERT_TZ": lambda args: exp.ConvertTimezone(
 305                source_tz=seq_get(args, 1), target_tz=seq_get(args, 2), timestamp=seq_get(args, 0)
 306            ),
 307            "CURDATE": exp.CurrentDate.from_arg_list,
 308            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
 309            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
 310            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
 311            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
 312            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 313            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 314            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 315            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 316            "FORMAT": exp.NumberToStr.from_arg_list,
 317            "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"),
 318            "ISNULL": isnull_to_is_null,
 319            "LENGTH": lambda args: exp.Length(this=seq_get(args, 0), binary=True),
 320            "MAKETIME": exp.TimeFromParts.from_arg_list,
 321            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 322            "MONTHNAME": lambda args: exp.TimeToStr(
 323                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
 324                format=exp.Literal.string("%B"),
 325            ),
 326            "SCHEMA": exp.CurrentSchema.from_arg_list,
 327            "DATABASE": exp.CurrentSchema.from_arg_list,
 328            "STR_TO_DATE": _str_to_date,
 329            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
 330            "TO_DAYS": lambda args: exp.paren(
 331                exp.DateDiff(
 332                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
 333                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
 334                    unit=exp.var("DAY"),
 335                )
 336                + 1
 337            ),
 338            "WEEK": lambda args: exp.Week(
 339                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
 340            ),
 341            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 342            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 343        }
 344
 345        FUNCTION_PARSERS = {
 346            **parser.Parser.FUNCTION_PARSERS,
 347            "CHAR": lambda self: self.expression(
 348                exp.Chr,
 349                expressions=self._parse_csv(self._parse_assignment),
 350                charset=self._match(TokenType.USING) and self._parse_var(),
 351            ),
 352            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
 353            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
 354            "VALUES": lambda self: self.expression(
 355                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
 356            ),
 357            "JSON_VALUE": lambda self: self._parse_json_value(),
 358        }
 359
 360        STATEMENT_PARSERS = {
 361            **parser.Parser.STATEMENT_PARSERS,
 362            TokenType.SHOW: lambda self: self._parse_show(),
 363        }
 364
 365        SHOW_PARSERS = {
 366            "BINARY LOGS": _show_parser("BINARY LOGS"),
 367            "MASTER LOGS": _show_parser("BINARY LOGS"),
 368            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
 369            "CHARACTER SET": _show_parser("CHARACTER SET"),
 370            "CHARSET": _show_parser("CHARACTER SET"),
 371            "COLLATION": _show_parser("COLLATION"),
 372            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
 373            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
 374            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
 375            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
 376            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
 377            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
 378            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
 379            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
 380            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
 381            "DATABASES": _show_parser("DATABASES"),
 382            "SCHEMAS": _show_parser("DATABASES"),
 383            "ENGINE": _show_parser("ENGINE", target=True),
 384            "STORAGE ENGINES": _show_parser("ENGINES"),
 385            "ENGINES": _show_parser("ENGINES"),
 386            "ERRORS": _show_parser("ERRORS"),
 387            "EVENTS": _show_parser("EVENTS"),
 388            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
 389            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
 390            "GRANTS": _show_parser("GRANTS", target="FOR"),
 391            "INDEX": _show_parser("INDEX", target="FROM"),
 392            "MASTER STATUS": _show_parser("MASTER STATUS"),
 393            "OPEN TABLES": _show_parser("OPEN TABLES"),
 394            "PLUGINS": _show_parser("PLUGINS"),
 395            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
 396            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
 397            "PRIVILEGES": _show_parser("PRIVILEGES"),
 398            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
 399            "PROCESSLIST": _show_parser("PROCESSLIST"),
 400            "PROFILE": _show_parser("PROFILE"),
 401            "PROFILES": _show_parser("PROFILES"),
 402            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
 403            "REPLICAS": _show_parser("REPLICAS"),
 404            "SLAVE HOSTS": _show_parser("REPLICAS"),
 405            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
 406            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
 407            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
 408            "SESSION STATUS": _show_parser("STATUS"),
 409            "STATUS": _show_parser("STATUS"),
 410            "TABLE STATUS": _show_parser("TABLE STATUS"),
 411            "FULL TABLES": _show_parser("TABLES", full=True),
 412            "TABLES": _show_parser("TABLES"),
 413            "TRIGGERS": _show_parser("TRIGGERS"),
 414            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
 415            "SESSION VARIABLES": _show_parser("VARIABLES"),
 416            "VARIABLES": _show_parser("VARIABLES"),
 417            "WARNINGS": _show_parser("WARNINGS"),
 418        }
 419
 420        PROPERTY_PARSERS = {
 421            **parser.Parser.PROPERTY_PARSERS,
 422            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
 423        }
 424
 425        SET_PARSERS = {
 426            **parser.Parser.SET_PARSERS,
 427            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
 428            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
 429            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
 430            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
 431            "NAMES": lambda self: self._parse_set_item_names(),
 432        }
 433
 434        CONSTRAINT_PARSERS = {
 435            **parser.Parser.CONSTRAINT_PARSERS,
 436            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
 437            "INDEX": lambda self: self._parse_index_constraint(),
 438            "KEY": lambda self: self._parse_index_constraint(),
 439            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
 440        }
 441
 442        ALTER_PARSERS = {
 443            **parser.Parser.ALTER_PARSERS,
 444            "MODIFY": lambda self: self._parse_alter_table_alter(),
 445        }
 446
 447        ALTER_ALTER_PARSERS = {
 448            **parser.Parser.ALTER_ALTER_PARSERS,
 449            "INDEX": lambda self: self._parse_alter_table_alter_index(),
 450        }
 451
 452        SCHEMA_UNNAMED_CONSTRAINTS = {
 453            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
 454            "FULLTEXT",
 455            "INDEX",
 456            "KEY",
 457            "SPATIAL",
 458        }
 459
 460        PROFILE_TYPES: parser.OPTIONS_TYPE = {
 461            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
 462            "BLOCK": ("IO",),
 463            "CONTEXT": ("SWITCHES",),
 464            "PAGE": ("FAULTS",),
 465        }
 466
 467        TYPE_TOKENS = {
 468            *parser.Parser.TYPE_TOKENS,
 469            TokenType.SET,
 470        }
 471
 472        ENUM_TYPE_TOKENS = {
 473            *parser.Parser.ENUM_TYPE_TOKENS,
 474            TokenType.SET,
 475        }
 476
 477        # SELECT [ ALL | DISTINCT | DISTINCTROW ] [ <OPERATION_MODIFIERS> ]
 478        OPERATION_MODIFIERS = {
 479            "HIGH_PRIORITY",
 480            "STRAIGHT_JOIN",
 481            "SQL_SMALL_RESULT",
 482            "SQL_BIG_RESULT",
 483            "SQL_BUFFER_RESULT",
 484            "SQL_NO_CACHE",
 485            "SQL_CALC_FOUND_ROWS",
 486        }
 487
 488        LOG_DEFAULTS_TO_LN = True
 489        STRING_ALIASES = True
 490        VALUES_FOLLOWED_BY_PAREN = False
 491        SUPPORTS_PARTITION_SELECTION = True
 492
 493        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
 494            this = self._parse_id_var()
 495            if not self._match(TokenType.L_PAREN):
 496                return this
 497
 498            expression = self._parse_number()
 499            self._match_r_paren()
 500            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
 501
 502        def _parse_index_constraint(
 503            self, kind: t.Optional[str] = None
 504        ) -> exp.IndexColumnConstraint:
 505            if kind:
 506                self._match_texts(("INDEX", "KEY"))
 507
 508            this = self._parse_id_var(any_token=False)
 509            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
 510            expressions = self._parse_wrapped_csv(self._parse_ordered)
 511
 512            options = []
 513            while True:
 514                if self._match_text_seq("KEY_BLOCK_SIZE"):
 515                    self._match(TokenType.EQ)
 516                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
 517                elif self._match(TokenType.USING):
 518                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
 519                elif self._match_text_seq("WITH", "PARSER"):
 520                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
 521                elif self._match(TokenType.COMMENT):
 522                    opt = exp.IndexConstraintOption(comment=self._parse_string())
 523                elif self._match_text_seq("VISIBLE"):
 524                    opt = exp.IndexConstraintOption(visible=True)
 525                elif self._match_text_seq("INVISIBLE"):
 526                    opt = exp.IndexConstraintOption(visible=False)
 527                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
 528                    self._match(TokenType.EQ)
 529                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
 530                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
 531                    self._match(TokenType.EQ)
 532                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
 533                else:
 534                    opt = None
 535
 536                if not opt:
 537                    break
 538
 539                options.append(opt)
 540
 541            return self.expression(
 542                exp.IndexColumnConstraint,
 543                this=this,
 544                expressions=expressions,
 545                kind=kind,
 546                index_type=index_type,
 547                options=options,
 548            )
 549
 550        def _parse_show_mysql(
 551            self,
 552            this: str,
 553            target: bool | str = False,
 554            full: t.Optional[bool] = None,
 555            global_: t.Optional[bool] = None,
 556        ) -> exp.Show:
 557            if target:
 558                if isinstance(target, str):
 559                    self._match_text_seq(target)
 560                target_id = self._parse_id_var()
 561            else:
 562                target_id = None
 563
 564            log = self._parse_string() if self._match_text_seq("IN") else None
 565
 566            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
 567                position = self._parse_number() if self._match_text_seq("FROM") else None
 568                db = None
 569            else:
 570                position = None
 571                db = None
 572
 573                if self._match(TokenType.FROM):
 574                    db = self._parse_id_var()
 575                elif self._match(TokenType.DOT):
 576                    db = target_id
 577                    target_id = self._parse_id_var()
 578
 579            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
 580
 581            like = self._parse_string() if self._match_text_seq("LIKE") else None
 582            where = self._parse_where()
 583
 584            if this == "PROFILE":
 585                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
 586                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
 587                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
 588                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
 589            else:
 590                types, query = None, None
 591                offset, limit = self._parse_oldstyle_limit()
 592
 593            mutex = True if self._match_text_seq("MUTEX") else None
 594            mutex = False if self._match_text_seq("STATUS") else mutex
 595
 596            return self.expression(
 597                exp.Show,
 598                this=this,
 599                target=target_id,
 600                full=full,
 601                log=log,
 602                position=position,
 603                db=db,
 604                channel=channel,
 605                like=like,
 606                where=where,
 607                types=types,
 608                query=query,
 609                offset=offset,
 610                limit=limit,
 611                mutex=mutex,
 612                **{"global": global_},  # type: ignore
 613            )
 614
 615        def _parse_oldstyle_limit(
 616            self,
 617        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
 618            limit = None
 619            offset = None
 620            if self._match_text_seq("LIMIT"):
 621                parts = self._parse_csv(self._parse_number)
 622                if len(parts) == 1:
 623                    limit = parts[0]
 624                elif len(parts) == 2:
 625                    limit = parts[1]
 626                    offset = parts[0]
 627
 628            return offset, limit
 629
 630        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
 631            this = self._parse_string() or self._parse_unquoted_field()
 632            return self.expression(exp.SetItem, this=this, kind=kind)
 633
 634        def _parse_set_item_names(self) -> exp.Expression:
 635            charset = self._parse_string() or self._parse_unquoted_field()
 636            if self._match_text_seq("COLLATE"):
 637                collate = self._parse_string() or self._parse_unquoted_field()
 638            else:
 639                collate = None
 640
 641            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
 642
 643        def _parse_type(
 644            self, parse_interval: bool = True, fallback_to_identifier: bool = False
 645        ) -> t.Optional[exp.Expression]:
 646            # mysql binary is special and can work anywhere, even in order by operations
 647            # it operates like a no paren func
 648            if self._match(TokenType.BINARY, advance=False):
 649                data_type = self._parse_types(check_func=True, allow_identifiers=False)
 650
 651                if isinstance(data_type, exp.DataType):
 652                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
 653
 654            return super()._parse_type(
 655                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
 656            )
 657
 658        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
 659            def concat_exprs(
 660                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
 661            ) -> exp.Expression:
 662                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
 663                    concat_exprs = [
 664                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
 665                    ]
 666                    node.set("expressions", concat_exprs)
 667                    return node
 668                if len(exprs) == 1:
 669                    return exprs[0]
 670                return self.expression(exp.Concat, expressions=args, safe=True)
 671
 672            args = self._parse_csv(self._parse_lambda)
 673
 674            if args:
 675                order = args[-1] if isinstance(args[-1], exp.Order) else None
 676
 677                if order:
 678                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
 679                    # remove 'expr' from exp.Order and add it back to args
 680                    args[-1] = order.this
 681                    order.set("this", concat_exprs(order.this, args))
 682
 683                this = order or concat_exprs(args[0], args)
 684            else:
 685                this = None
 686
 687            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
 688
 689            return self.expression(exp.GroupConcat, this=this, separator=separator)
 690
 691        def _parse_json_value(self) -> exp.JSONValue:
 692            this = self._parse_bitwise()
 693            self._match(TokenType.COMMA)
 694            path = self._parse_bitwise()
 695
 696            returning = self._match(TokenType.RETURNING) and self._parse_type()
 697
 698            return self.expression(
 699                exp.JSONValue,
 700                this=this,
 701                path=self.dialect.to_json_path(path),
 702                returning=returning,
 703                on_condition=self._parse_on_condition(),
 704            )
 705
 706        def _parse_alter_table_alter_index(self) -> exp.AlterIndex:
 707            index = self._parse_field(any_token=True)
 708
 709            if self._match_text_seq("VISIBLE"):
 710                visible = True
 711            elif self._match_text_seq("INVISIBLE"):
 712                visible = False
 713            else:
 714                visible = None
 715
 716            return self.expression(exp.AlterIndex, this=index, visible=visible)
 717
 718    class Generator(generator.Generator):
 719        INTERVAL_ALLOWS_PLURAL_FORM = False
 720        LOCKING_READS_SUPPORTED = True
 721        NULL_ORDERING_SUPPORTED = None
 722        JOIN_HINTS = False
 723        TABLE_HINTS = True
 724        DUPLICATE_KEY_UPDATE_WITH_SET = False
 725        QUERY_HINT_SEP = " "
 726        VALUES_AS_TABLE = False
 727        NVL2_SUPPORTED = False
 728        LAST_DAY_SUPPORTS_DATE_PART = False
 729        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
 730        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
 731        JSON_KEY_VALUE_PAIR_SEP = ","
 732        SUPPORTS_TO_NUMBER = False
 733        PARSE_JSON_NAME: t.Optional[str] = None
 734        PAD_FILL_PATTERN_IS_REQUIRED = True
 735        WRAP_DERIVED_VALUES = False
 736        VARCHAR_REQUIRES_SIZE = True
 737        SUPPORTS_MEDIAN = False
 738
 739        TRANSFORMS = {
 740            **generator.Generator.TRANSFORMS,
 741            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
 742            exp.CurrentDate: no_paren_current_date_sql,
 743            exp.DateDiff: _remove_ts_or_ds_to_date(
 744                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
 745            ),
 746            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
 747            exp.DateStrToDate: datestrtodate_sql,
 748            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
 749            exp.DateTrunc: _date_trunc_sql,
 750            exp.Day: _remove_ts_or_ds_to_date(),
 751            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
 752            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
 753            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
 754            exp.GroupConcat: lambda self,
 755            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
 756            exp.ILike: no_ilike_sql,
 757            exp.JSONExtractScalar: arrow_json_extract_sql,
 758            exp.Length: length_or_char_length_sql,
 759            exp.LogicalOr: rename_func("MAX"),
 760            exp.LogicalAnd: rename_func("MIN"),
 761            exp.Max: max_or_greatest,
 762            exp.Min: min_or_least,
 763            exp.Month: _remove_ts_or_ds_to_date(),
 764            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
 765            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
 766            exp.NumberToStr: rename_func("FORMAT"),
 767            exp.Pivot: no_pivot_sql,
 768            exp.Select: transforms.preprocess(
 769                [
 770                    transforms.eliminate_distinct_on,
 771                    transforms.eliminate_semi_and_anti_joins,
 772                    transforms.eliminate_qualify,
 773                    transforms.eliminate_full_outer_join,
 774                    transforms.unnest_generate_date_array_using_recursive_cte,
 775                ]
 776            ),
 777            exp.StrPosition: lambda self, e: strposition_sql(
 778                self, e, func_name="LOCATE", supports_position=True
 779            ),
 780            exp.StrToDate: _str_to_date_sql,
 781            exp.StrToTime: _str_to_date_sql,
 782            exp.Stuff: rename_func("INSERT"),
 783            exp.TableSample: no_tablesample_sql,
 784            exp.TimeFromParts: rename_func("MAKETIME"),
 785            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
 786            exp.TimestampDiff: lambda self, e: self.func(
 787                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
 788            ),
 789            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
 790            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
 791            exp.TimeStrToTime: lambda self, e: timestrtotime_sql(
 792                self,
 793                e,
 794                include_precision=not e.args.get("zone"),
 795            ),
 796            exp.TimeToStr: _remove_ts_or_ds_to_date(
 797                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
 798            ),
 799            exp.Trim: trim_sql,
 800            exp.TryCast: no_trycast_sql,
 801            exp.TsOrDsAdd: date_add_sql("ADD"),
 802            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
 803            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
 804            exp.Unicode: lambda self, e: f"ORD(CONVERT({self.sql(e.this)} USING utf32))",
 805            exp.UnixToTime: _unix_to_time_sql,
 806            exp.Week: _remove_ts_or_ds_to_date(),
 807            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
 808            exp.Year: _remove_ts_or_ds_to_date(),
 809        }
 810
 811        UNSIGNED_TYPE_MAPPING = {
 812            exp.DataType.Type.UBIGINT: "BIGINT",
 813            exp.DataType.Type.UINT: "INT",
 814            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
 815            exp.DataType.Type.USMALLINT: "SMALLINT",
 816            exp.DataType.Type.UTINYINT: "TINYINT",
 817            exp.DataType.Type.UDECIMAL: "DECIMAL",
 818            exp.DataType.Type.UDOUBLE: "DOUBLE",
 819        }
 820
 821        TIMESTAMP_TYPE_MAPPING = {
 822            exp.DataType.Type.DATETIME2: "DATETIME",
 823            exp.DataType.Type.SMALLDATETIME: "DATETIME",
 824            exp.DataType.Type.TIMESTAMP: "DATETIME",
 825            exp.DataType.Type.TIMESTAMPNTZ: "DATETIME",
 826            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
 827            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
 828        }
 829
 830        TYPE_MAPPING = {
 831            **generator.Generator.TYPE_MAPPING,
 832            **UNSIGNED_TYPE_MAPPING,
 833            **TIMESTAMP_TYPE_MAPPING,
 834        }
 835
 836        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
 837        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
 838        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
 839        TYPE_MAPPING.pop(exp.DataType.Type.BLOB)
 840        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
 841        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
 842        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
 843
 844        PROPERTIES_LOCATION = {
 845            **generator.Generator.PROPERTIES_LOCATION,
 846            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
 847            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
 848        }
 849
 850        LIMIT_FETCH = "LIMIT"
 851
 852        LIMIT_ONLY_LITERALS = True
 853
 854        CHAR_CAST_MAPPING = dict.fromkeys(
 855            (
 856                exp.DataType.Type.LONGTEXT,
 857                exp.DataType.Type.LONGBLOB,
 858                exp.DataType.Type.MEDIUMBLOB,
 859                exp.DataType.Type.MEDIUMTEXT,
 860                exp.DataType.Type.TEXT,
 861                exp.DataType.Type.TINYBLOB,
 862                exp.DataType.Type.TINYTEXT,
 863                exp.DataType.Type.VARCHAR,
 864            ),
 865            "CHAR",
 866        )
 867        SIGNED_CAST_MAPPING = dict.fromkeys(
 868            (
 869                exp.DataType.Type.BIGINT,
 870                exp.DataType.Type.BOOLEAN,
 871                exp.DataType.Type.INT,
 872                exp.DataType.Type.SMALLINT,
 873                exp.DataType.Type.TINYINT,
 874                exp.DataType.Type.MEDIUMINT,
 875            ),
 876            "SIGNED",
 877        )
 878
 879        # MySQL doesn't support many datatypes in cast.
 880        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
 881        CAST_MAPPING = {
 882            **CHAR_CAST_MAPPING,
 883            **SIGNED_CAST_MAPPING,
 884            exp.DataType.Type.UBIGINT: "UNSIGNED",
 885        }
 886
 887        TIMESTAMP_FUNC_TYPES = {
 888            exp.DataType.Type.TIMESTAMPTZ,
 889            exp.DataType.Type.TIMESTAMPLTZ,
 890        }
 891
 892        # https://dev.mysql.com/doc/refman/8.0/en/keywords.html
 893        RESERVED_KEYWORDS = {
 894            "accessible",
 895            "add",
 896            "all",
 897            "alter",
 898            "analyze",
 899            "and",
 900            "as",
 901            "asc",
 902            "asensitive",
 903            "before",
 904            "between",
 905            "bigint",
 906            "binary",
 907            "blob",
 908            "both",
 909            "by",
 910            "call",
 911            "cascade",
 912            "case",
 913            "change",
 914            "char",
 915            "character",
 916            "check",
 917            "collate",
 918            "column",
 919            "condition",
 920            "constraint",
 921            "continue",
 922            "convert",
 923            "create",
 924            "cross",
 925            "cube",
 926            "cume_dist",
 927            "current_date",
 928            "current_time",
 929            "current_timestamp",
 930            "current_user",
 931            "cursor",
 932            "database",
 933            "databases",
 934            "day_hour",
 935            "day_microsecond",
 936            "day_minute",
 937            "day_second",
 938            "dec",
 939            "decimal",
 940            "declare",
 941            "default",
 942            "delayed",
 943            "delete",
 944            "dense_rank",
 945            "desc",
 946            "describe",
 947            "deterministic",
 948            "distinct",
 949            "distinctrow",
 950            "div",
 951            "double",
 952            "drop",
 953            "dual",
 954            "each",
 955            "else",
 956            "elseif",
 957            "empty",
 958            "enclosed",
 959            "escaped",
 960            "except",
 961            "exists",
 962            "exit",
 963            "explain",
 964            "false",
 965            "fetch",
 966            "first_value",
 967            "float",
 968            "float4",
 969            "float8",
 970            "for",
 971            "force",
 972            "foreign",
 973            "from",
 974            "fulltext",
 975            "function",
 976            "generated",
 977            "get",
 978            "grant",
 979            "group",
 980            "grouping",
 981            "groups",
 982            "having",
 983            "high_priority",
 984            "hour_microsecond",
 985            "hour_minute",
 986            "hour_second",
 987            "if",
 988            "ignore",
 989            "in",
 990            "index",
 991            "infile",
 992            "inner",
 993            "inout",
 994            "insensitive",
 995            "insert",
 996            "int",
 997            "int1",
 998            "int2",
 999            "int3",
1000            "int4",
1001            "int8",
1002            "integer",
1003            "intersect",
1004            "interval",
1005            "into",
1006            "io_after_gtids",
1007            "io_before_gtids",
1008            "is",
1009            "iterate",
1010            "join",
1011            "json_table",
1012            "key",
1013            "keys",
1014            "kill",
1015            "lag",
1016            "last_value",
1017            "lateral",
1018            "lead",
1019            "leading",
1020            "leave",
1021            "left",
1022            "like",
1023            "limit",
1024            "linear",
1025            "lines",
1026            "load",
1027            "localtime",
1028            "localtimestamp",
1029            "lock",
1030            "long",
1031            "longblob",
1032            "longtext",
1033            "loop",
1034            "low_priority",
1035            "master_bind",
1036            "master_ssl_verify_server_cert",
1037            "match",
1038            "maxvalue",
1039            "mediumblob",
1040            "mediumint",
1041            "mediumtext",
1042            "middleint",
1043            "minute_microsecond",
1044            "minute_second",
1045            "mod",
1046            "modifies",
1047            "natural",
1048            "not",
1049            "no_write_to_binlog",
1050            "nth_value",
1051            "ntile",
1052            "null",
1053            "numeric",
1054            "of",
1055            "on",
1056            "optimize",
1057            "optimizer_costs",
1058            "option",
1059            "optionally",
1060            "or",
1061            "order",
1062            "out",
1063            "outer",
1064            "outfile",
1065            "over",
1066            "partition",
1067            "percent_rank",
1068            "precision",
1069            "primary",
1070            "procedure",
1071            "purge",
1072            "range",
1073            "rank",
1074            "read",
1075            "reads",
1076            "read_write",
1077            "real",
1078            "recursive",
1079            "references",
1080            "regexp",
1081            "release",
1082            "rename",
1083            "repeat",
1084            "replace",
1085            "require",
1086            "resignal",
1087            "restrict",
1088            "return",
1089            "revoke",
1090            "right",
1091            "rlike",
1092            "row",
1093            "rows",
1094            "row_number",
1095            "schema",
1096            "schemas",
1097            "second_microsecond",
1098            "select",
1099            "sensitive",
1100            "separator",
1101            "set",
1102            "show",
1103            "signal",
1104            "smallint",
1105            "spatial",
1106            "specific",
1107            "sql",
1108            "sqlexception",
1109            "sqlstate",
1110            "sqlwarning",
1111            "sql_big_result",
1112            "sql_calc_found_rows",
1113            "sql_small_result",
1114            "ssl",
1115            "starting",
1116            "stored",
1117            "straight_join",
1118            "system",
1119            "table",
1120            "terminated",
1121            "then",
1122            "tinyblob",
1123            "tinyint",
1124            "tinytext",
1125            "to",
1126            "trailing",
1127            "trigger",
1128            "true",
1129            "undo",
1130            "union",
1131            "unique",
1132            "unlock",
1133            "unsigned",
1134            "update",
1135            "usage",
1136            "use",
1137            "using",
1138            "utc_date",
1139            "utc_time",
1140            "utc_timestamp",
1141            "values",
1142            "varbinary",
1143            "varchar",
1144            "varcharacter",
1145            "varying",
1146            "virtual",
1147            "when",
1148            "where",
1149            "while",
1150            "window",
1151            "with",
1152            "write",
1153            "xor",
1154            "year_month",
1155            "zerofill",
1156        }
1157
1158        def array_sql(self, expression: exp.Array) -> str:
1159            self.unsupported("Arrays are not supported by MySQL")
1160            return self.function_fallback_sql(expression)
1161
1162        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1163            self.unsupported("Array operations are not supported by MySQL")
1164            return self.function_fallback_sql(expression)
1165
1166        def dpipe_sql(self, expression: exp.DPipe) -> str:
1167            return self.func("CONCAT", *expression.flatten())
1168
1169        def extract_sql(self, expression: exp.Extract) -> str:
1170            unit = expression.name
1171            if unit and unit.lower() == "epoch":
1172                return self.func("UNIX_TIMESTAMP", expression.expression)
1173
1174            return super().extract_sql(expression)
1175
1176        def datatype_sql(self, expression: exp.DataType) -> str:
1177            if (
1178                self.VARCHAR_REQUIRES_SIZE
1179                and expression.is_type(exp.DataType.Type.VARCHAR)
1180                and not expression.expressions
1181            ):
1182                # `VARCHAR` must always have a size - if it doesn't, we always generate `TEXT`
1183                return "TEXT"
1184
1185            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1186            result = super().datatype_sql(expression)
1187            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1188                result = f"{result} UNSIGNED"
1189
1190            return result
1191
1192        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1193            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
1194
1195        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1196            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1197                return self.func("TIMESTAMP", expression.this)
1198
1199            to = self.CAST_MAPPING.get(expression.to.this)
1200
1201            if to:
1202                expression.to.set("this", to)
1203            return super().cast_sql(expression)
1204
1205        def show_sql(self, expression: exp.Show) -> str:
1206            this = f" {expression.name}"
1207            full = " FULL" if expression.args.get("full") else ""
1208            global_ = " GLOBAL" if expression.args.get("global") else ""
1209
1210            target = self.sql(expression, "target")
1211            target = f" {target}" if target else ""
1212            if expression.name in ("COLUMNS", "INDEX"):
1213                target = f" FROM{target}"
1214            elif expression.name == "GRANTS":
1215                target = f" FOR{target}"
1216
1217            db = self._prefixed_sql("FROM", expression, "db")
1218
1219            like = self._prefixed_sql("LIKE", expression, "like")
1220            where = self.sql(expression, "where")
1221
1222            types = self.expressions(expression, key="types")
1223            types = f" {types}" if types else types
1224            query = self._prefixed_sql("FOR QUERY", expression, "query")
1225
1226            if expression.name == "PROFILE":
1227                offset = self._prefixed_sql("OFFSET", expression, "offset")
1228                limit = self._prefixed_sql("LIMIT", expression, "limit")
1229            else:
1230                offset = ""
1231                limit = self._oldstyle_limit_sql(expression)
1232
1233            log = self._prefixed_sql("IN", expression, "log")
1234            position = self._prefixed_sql("FROM", expression, "position")
1235
1236            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1237
1238            if expression.name == "ENGINE":
1239                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1240            else:
1241                mutex_or_status = ""
1242
1243            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
1244
1245        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1246            dtype = self.sql(expression, "dtype")
1247            if not dtype:
1248                return super().altercolumn_sql(expression)
1249
1250            this = self.sql(expression, "this")
1251            return f"MODIFY COLUMN {this} {dtype}"
1252
1253        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
1254            sql = self.sql(expression, arg)
1255            return f" {prefix} {sql}" if sql else ""
1256
1257        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
1258            limit = self.sql(expression, "limit")
1259            offset = self.sql(expression, "offset")
1260            if limit:
1261                limit_offset = f"{offset}, {limit}" if offset else limit
1262                return f" LIMIT {limit_offset}"
1263            return ""
1264
1265        def chr_sql(self, expression: exp.Chr) -> str:
1266            this = self.expressions(sqls=[expression.this] + expression.expressions)
1267            charset = expression.args.get("charset")
1268            using = f" USING {self.sql(charset)}" if charset else ""
1269            return f"CHAR({this}{using})"
1270
1271        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1272            unit = expression.args.get("unit")
1273
1274            # Pick an old-enough date to avoid negative timestamp diffs
1275            start_ts = "'0000-01-01 00:00:00'"
1276
1277            # Source: https://stackoverflow.com/a/32955740
1278            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1279            interval = exp.Interval(this=timestamp_diff, unit=unit)
1280            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1281
1282            return self.sql(dateadd)
1283
1284        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1285            from_tz = expression.args.get("source_tz")
1286            to_tz = expression.args.get("target_tz")
1287            dt = expression.args.get("timestamp")
1288
1289            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
1290
1291        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1292            self.unsupported("AT TIME ZONE is not supported by MySQL")
1293            return self.sql(expression.this)
1294
1295        def isascii_sql(self, expression: exp.IsAscii) -> str:
1296            return f"REGEXP_LIKE({self.sql(expression.this)}, '^[[:ascii:]]*$')"
1297
1298        @unsupported_args("this")
1299        def currentschema_sql(self, expression: exp.CurrentSchema) -> str:
1300            return self.func("SCHEMA")
PROMOTE_TO_INFERRED_DATETIME_TYPE = True

This flag is used in the optimizer's canonicalize rule and determines whether x will be promoted to the literal's type in x::DATE < '2020-01-01 12:05:03' (i.e., DATETIME). When false, the literal is cast to x's type to match it instead.

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.

SUPPORTS_COLUMN_JOIN_MARKS = False

Whether the old-style outer join (+) syntax is supported.

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'>
jsonpath_tokenizer_class = <class 'sqlglot.tokens.JSONPathTokenizer'>
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}}}
INVERSE_FORMAT_MAPPING: Dict[str, str] = {}
INVERSE_FORMAT_TRIE: Dict = {}
INVERSE_CREATABLE_KIND_MAPPING: dict[str, str] = {}
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):
183    class Tokenizer(tokens.Tokenizer):
184        QUOTES = ["'", '"']
185        COMMENTS = ["--", "#", ("/*", "*/")]
186        IDENTIFIERS = ["`"]
187        STRING_ESCAPES = ["'", '"', "\\"]
188        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
189        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
190
191        NESTED_COMMENTS = False
192
193        KEYWORDS = {
194            **tokens.Tokenizer.KEYWORDS,
195            "CHARSET": TokenType.CHARACTER_SET,
196            # The DESCRIBE and EXPLAIN statements are synonyms.
197            # https://dev.mysql.com/doc/refman/8.4/en/explain.html
198            "BLOB": TokenType.BLOB,
199            "EXPLAIN": TokenType.DESCRIBE,
200            "FORCE": TokenType.FORCE,
201            "IGNORE": TokenType.IGNORE,
202            "KEY": TokenType.KEY,
203            "LOCK TABLES": TokenType.COMMAND,
204            "LONGBLOB": TokenType.LONGBLOB,
205            "LONGTEXT": TokenType.LONGTEXT,
206            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
207            "TINYBLOB": TokenType.TINYBLOB,
208            "TINYTEXT": TokenType.TINYTEXT,
209            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
210            "MEDIUMINT": TokenType.MEDIUMINT,
211            "MEMBER OF": TokenType.MEMBER_OF,
212            "SEPARATOR": TokenType.SEPARATOR,
213            "SERIAL": TokenType.SERIAL,
214            "START": TokenType.BEGIN,
215            "SIGNED": TokenType.BIGINT,
216            "SIGNED INTEGER": TokenType.BIGINT,
217            "TIMESTAMP": TokenType.TIMESTAMPTZ,
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}
QUOTES = ["'", '"']
COMMENTS = ['--', '#', ('/*', '*/')]
IDENTIFIERS = ['`']
STRING_ESCAPES = ["'", '"', '\\']
BIT_STRINGS = [("b'", "'"), ("B'", "'"), ('0b', '')]
HEX_STRINGS = [("x'", "'"), ("X'", "'"), ('0x', '')]
NESTED_COMMENTS = False
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.PIPE_GT: 'PIPE_GT'>, '>=': <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'>, '~~~': <TokenType.GLOB: 'GLOB'>, '~~': <TokenType.LIKE: 'LIKE'>, '~~*': <TokenType.ILIKE: 'ILIKE'>, '~*': <TokenType.IRLIKE: 'IRLIKE'>, '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_SCHEMA': <TokenType.CURRENT_SCHEMA: 'CURRENT_SCHEMA'>, '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'>, 'NAMESPACE': <TokenType.NAMESPACE: 'NAMESPACE'>, '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'>, 'RENAME': <TokenType.RENAME: 'RENAME'>, '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'>, 'STRAIGHT_JOIN': <TokenType.STRAIGHT_JOIN: 'STRAIGHT_JOIN'>, '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'>, 'HUGEINT': <TokenType.INT128: 'INT128'>, 'UHUGEINT': <TokenType.UINT128: 'UINT128'>, 'INT2': <TokenType.SMALLINT: 'SMALLINT'>, 'INTEGER': <TokenType.INT: 'INT'>, 'INT': <TokenType.INT: 'INT'>, 'INT4': <TokenType.INT: 'INT'>, 'INT32': <TokenType.INT: 'INT'>, 'INT64': <TokenType.BIGINT: 'BIGINT'>, 'INT128': <TokenType.INT128: 'INT128'>, 'INT256': <TokenType.INT256: 'INT256'>, 'LONG': <TokenType.BIGINT: 'BIGINT'>, 'BIGINT': <TokenType.BIGINT: 'BIGINT'>, 'INT8': <TokenType.TINYINT: 'TINYINT'>, 'UINT': <TokenType.UINT: 'UINT'>, 'UINT128': <TokenType.UINT128: 'UINT128'>, 'UINT256': <TokenType.UINT256: 'UINT256'>, 'DEC': <TokenType.DECIMAL: 'DECIMAL'>, 'DECIMAL': <TokenType.DECIMAL: 'DECIMAL'>, 'DECIMAL32': <TokenType.DECIMAL32: 'DECIMAL32'>, 'DECIMAL64': <TokenType.DECIMAL64: 'DECIMAL64'>, 'DECIMAL128': <TokenType.DECIMAL128: 'DECIMAL128'>, 'DECIMAL256': <TokenType.DECIMAL256: 'DECIMAL256'>, 'BIGDECIMAL': <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, 'BIGNUMERIC': <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, 'LIST': <TokenType.LIST: 'LIST'>, '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'>, 'JSONB': <TokenType.JSONB: 'JSONB'>, 'CHAR': <TokenType.CHAR: 'CHAR'>, 'CHARACTER': <TokenType.CHAR: 'CHAR'>, 'CHAR VARYING': <TokenType.VARCHAR: 'VARCHAR'>, 'CHARACTER VARYING': <TokenType.VARCHAR: 'VARCHAR'>, '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.BLOB: 'BLOB'>, '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.TIMESTAMPTZ: 'TIMESTAMPTZ'>, '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'>, 'VECTOR': <TokenType.VECTOR: 'VECTOR'>, 'STRUCT': <TokenType.STRUCT: 'STRUCT'>, 'SEQUENCE': <TokenType.SEQUENCE: 'SEQUENCE'>, 'VARIANT': <TokenType.VARIANT: 'VARIANT'>, 'ALTER': <TokenType.ALTER: 'ALTER'>, 'ANALYZE': <TokenType.ANALYZE: 'ANALYZE'>, 'CALL': <TokenType.COMMAND: 'COMMAND'>, 'COMMENT': <TokenType.COMMENT: 'COMMENT'>, 'EXPLAIN': <TokenType.DESCRIBE: 'DESCRIBE'>, 'GRANT': <TokenType.GRANT: 'GRANT'>, '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'>, 'KEY': <TokenType.KEY: 'KEY'>, 'LOCK TABLES': <TokenType.COMMAND: 'COMMAND'>, 'MEMBER OF': <TokenType.MEMBER_OF: 'MEMBER_OF'>, 'SEPARATOR': <TokenType.SEPARATOR: 'SEPARATOR'>, 'SERIAL': <TokenType.SERIAL: 'SERIAL'>, '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.FETCH: 'FETCH'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.RENAME: 'RENAME'>}
class MySQL.Parser(sqlglot.parser.Parser):
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        }
283
284        DISJUNCTION = {
285            **parser.Parser.DISJUNCTION,
286            TokenType.DPIPE: exp.Or,
287        }
288
289        TABLE_ALIAS_TOKENS = (
290            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
291        )
292
293        RANGE_PARSERS = {
294            **parser.Parser.RANGE_PARSERS,
295            TokenType.MEMBER_OF: lambda self, this: self.expression(
296                exp.JSONArrayContains,
297                this=this,
298                expression=self._parse_wrapped(self._parse_expression),
299            ),
300        }
301
302        FUNCTIONS = {
303            **parser.Parser.FUNCTIONS,
304            "CONVERT_TZ": lambda args: exp.ConvertTimezone(
305                source_tz=seq_get(args, 1), target_tz=seq_get(args, 2), timestamp=seq_get(args, 0)
306            ),
307            "CURDATE": exp.CurrentDate.from_arg_list,
308            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
309            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
310            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
311            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
312            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
313            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
314            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
315            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
316            "FORMAT": exp.NumberToStr.from_arg_list,
317            "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"),
318            "ISNULL": isnull_to_is_null,
319            "LENGTH": lambda args: exp.Length(this=seq_get(args, 0), binary=True),
320            "MAKETIME": exp.TimeFromParts.from_arg_list,
321            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
322            "MONTHNAME": lambda args: exp.TimeToStr(
323                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
324                format=exp.Literal.string("%B"),
325            ),
326            "SCHEMA": exp.CurrentSchema.from_arg_list,
327            "DATABASE": exp.CurrentSchema.from_arg_list,
328            "STR_TO_DATE": _str_to_date,
329            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
330            "TO_DAYS": lambda args: exp.paren(
331                exp.DateDiff(
332                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
333                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
334                    unit=exp.var("DAY"),
335                )
336                + 1
337            ),
338            "WEEK": lambda args: exp.Week(
339                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
340            ),
341            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
342            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
343        }
344
345        FUNCTION_PARSERS = {
346            **parser.Parser.FUNCTION_PARSERS,
347            "CHAR": lambda self: self.expression(
348                exp.Chr,
349                expressions=self._parse_csv(self._parse_assignment),
350                charset=self._match(TokenType.USING) and self._parse_var(),
351            ),
352            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
353            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
354            "VALUES": lambda self: self.expression(
355                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
356            ),
357            "JSON_VALUE": lambda self: self._parse_json_value(),
358        }
359
360        STATEMENT_PARSERS = {
361            **parser.Parser.STATEMENT_PARSERS,
362            TokenType.SHOW: lambda self: self._parse_show(),
363        }
364
365        SHOW_PARSERS = {
366            "BINARY LOGS": _show_parser("BINARY LOGS"),
367            "MASTER LOGS": _show_parser("BINARY LOGS"),
368            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
369            "CHARACTER SET": _show_parser("CHARACTER SET"),
370            "CHARSET": _show_parser("CHARACTER SET"),
371            "COLLATION": _show_parser("COLLATION"),
372            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
373            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
374            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
375            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
376            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
377            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
378            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
379            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
380            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
381            "DATABASES": _show_parser("DATABASES"),
382            "SCHEMAS": _show_parser("DATABASES"),
383            "ENGINE": _show_parser("ENGINE", target=True),
384            "STORAGE ENGINES": _show_parser("ENGINES"),
385            "ENGINES": _show_parser("ENGINES"),
386            "ERRORS": _show_parser("ERRORS"),
387            "EVENTS": _show_parser("EVENTS"),
388            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
389            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
390            "GRANTS": _show_parser("GRANTS", target="FOR"),
391            "INDEX": _show_parser("INDEX", target="FROM"),
392            "MASTER STATUS": _show_parser("MASTER STATUS"),
393            "OPEN TABLES": _show_parser("OPEN TABLES"),
394            "PLUGINS": _show_parser("PLUGINS"),
395            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
396            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
397            "PRIVILEGES": _show_parser("PRIVILEGES"),
398            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
399            "PROCESSLIST": _show_parser("PROCESSLIST"),
400            "PROFILE": _show_parser("PROFILE"),
401            "PROFILES": _show_parser("PROFILES"),
402            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
403            "REPLICAS": _show_parser("REPLICAS"),
404            "SLAVE HOSTS": _show_parser("REPLICAS"),
405            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
406            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
407            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
408            "SESSION STATUS": _show_parser("STATUS"),
409            "STATUS": _show_parser("STATUS"),
410            "TABLE STATUS": _show_parser("TABLE STATUS"),
411            "FULL TABLES": _show_parser("TABLES", full=True),
412            "TABLES": _show_parser("TABLES"),
413            "TRIGGERS": _show_parser("TRIGGERS"),
414            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
415            "SESSION VARIABLES": _show_parser("VARIABLES"),
416            "VARIABLES": _show_parser("VARIABLES"),
417            "WARNINGS": _show_parser("WARNINGS"),
418        }
419
420        PROPERTY_PARSERS = {
421            **parser.Parser.PROPERTY_PARSERS,
422            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
423        }
424
425        SET_PARSERS = {
426            **parser.Parser.SET_PARSERS,
427            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
428            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
429            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
430            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
431            "NAMES": lambda self: self._parse_set_item_names(),
432        }
433
434        CONSTRAINT_PARSERS = {
435            **parser.Parser.CONSTRAINT_PARSERS,
436            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
437            "INDEX": lambda self: self._parse_index_constraint(),
438            "KEY": lambda self: self._parse_index_constraint(),
439            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
440        }
441
442        ALTER_PARSERS = {
443            **parser.Parser.ALTER_PARSERS,
444            "MODIFY": lambda self: self._parse_alter_table_alter(),
445        }
446
447        ALTER_ALTER_PARSERS = {
448            **parser.Parser.ALTER_ALTER_PARSERS,
449            "INDEX": lambda self: self._parse_alter_table_alter_index(),
450        }
451
452        SCHEMA_UNNAMED_CONSTRAINTS = {
453            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
454            "FULLTEXT",
455            "INDEX",
456            "KEY",
457            "SPATIAL",
458        }
459
460        PROFILE_TYPES: parser.OPTIONS_TYPE = {
461            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
462            "BLOCK": ("IO",),
463            "CONTEXT": ("SWITCHES",),
464            "PAGE": ("FAULTS",),
465        }
466
467        TYPE_TOKENS = {
468            *parser.Parser.TYPE_TOKENS,
469            TokenType.SET,
470        }
471
472        ENUM_TYPE_TOKENS = {
473            *parser.Parser.ENUM_TYPE_TOKENS,
474            TokenType.SET,
475        }
476
477        # SELECT [ ALL | DISTINCT | DISTINCTROW ] [ <OPERATION_MODIFIERS> ]
478        OPERATION_MODIFIERS = {
479            "HIGH_PRIORITY",
480            "STRAIGHT_JOIN",
481            "SQL_SMALL_RESULT",
482            "SQL_BIG_RESULT",
483            "SQL_BUFFER_RESULT",
484            "SQL_NO_CACHE",
485            "SQL_CALC_FOUND_ROWS",
486        }
487
488        LOG_DEFAULTS_TO_LN = True
489        STRING_ALIASES = True
490        VALUES_FOLLOWED_BY_PAREN = False
491        SUPPORTS_PARTITION_SELECTION = True
492
493        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
494            this = self._parse_id_var()
495            if not self._match(TokenType.L_PAREN):
496                return this
497
498            expression = self._parse_number()
499            self._match_r_paren()
500            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
501
502        def _parse_index_constraint(
503            self, kind: t.Optional[str] = None
504        ) -> exp.IndexColumnConstraint:
505            if kind:
506                self._match_texts(("INDEX", "KEY"))
507
508            this = self._parse_id_var(any_token=False)
509            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
510            expressions = self._parse_wrapped_csv(self._parse_ordered)
511
512            options = []
513            while True:
514                if self._match_text_seq("KEY_BLOCK_SIZE"):
515                    self._match(TokenType.EQ)
516                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
517                elif self._match(TokenType.USING):
518                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
519                elif self._match_text_seq("WITH", "PARSER"):
520                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
521                elif self._match(TokenType.COMMENT):
522                    opt = exp.IndexConstraintOption(comment=self._parse_string())
523                elif self._match_text_seq("VISIBLE"):
524                    opt = exp.IndexConstraintOption(visible=True)
525                elif self._match_text_seq("INVISIBLE"):
526                    opt = exp.IndexConstraintOption(visible=False)
527                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
528                    self._match(TokenType.EQ)
529                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
530                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
531                    self._match(TokenType.EQ)
532                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
533                else:
534                    opt = None
535
536                if not opt:
537                    break
538
539                options.append(opt)
540
541            return self.expression(
542                exp.IndexColumnConstraint,
543                this=this,
544                expressions=expressions,
545                kind=kind,
546                index_type=index_type,
547                options=options,
548            )
549
550        def _parse_show_mysql(
551            self,
552            this: str,
553            target: bool | str = False,
554            full: t.Optional[bool] = None,
555            global_: t.Optional[bool] = None,
556        ) -> exp.Show:
557            if target:
558                if isinstance(target, str):
559                    self._match_text_seq(target)
560                target_id = self._parse_id_var()
561            else:
562                target_id = None
563
564            log = self._parse_string() if self._match_text_seq("IN") else None
565
566            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
567                position = self._parse_number() if self._match_text_seq("FROM") else None
568                db = None
569            else:
570                position = None
571                db = None
572
573                if self._match(TokenType.FROM):
574                    db = self._parse_id_var()
575                elif self._match(TokenType.DOT):
576                    db = target_id
577                    target_id = self._parse_id_var()
578
579            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
580
581            like = self._parse_string() if self._match_text_seq("LIKE") else None
582            where = self._parse_where()
583
584            if this == "PROFILE":
585                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
586                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
587                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
588                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
589            else:
590                types, query = None, None
591                offset, limit = self._parse_oldstyle_limit()
592
593            mutex = True if self._match_text_seq("MUTEX") else None
594            mutex = False if self._match_text_seq("STATUS") else mutex
595
596            return self.expression(
597                exp.Show,
598                this=this,
599                target=target_id,
600                full=full,
601                log=log,
602                position=position,
603                db=db,
604                channel=channel,
605                like=like,
606                where=where,
607                types=types,
608                query=query,
609                offset=offset,
610                limit=limit,
611                mutex=mutex,
612                **{"global": global_},  # type: ignore
613            )
614
615        def _parse_oldstyle_limit(
616            self,
617        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
618            limit = None
619            offset = None
620            if self._match_text_seq("LIMIT"):
621                parts = self._parse_csv(self._parse_number)
622                if len(parts) == 1:
623                    limit = parts[0]
624                elif len(parts) == 2:
625                    limit = parts[1]
626                    offset = parts[0]
627
628            return offset, limit
629
630        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
631            this = self._parse_string() or self._parse_unquoted_field()
632            return self.expression(exp.SetItem, this=this, kind=kind)
633
634        def _parse_set_item_names(self) -> exp.Expression:
635            charset = self._parse_string() or self._parse_unquoted_field()
636            if self._match_text_seq("COLLATE"):
637                collate = self._parse_string() or self._parse_unquoted_field()
638            else:
639                collate = None
640
641            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
642
643        def _parse_type(
644            self, parse_interval: bool = True, fallback_to_identifier: bool = False
645        ) -> t.Optional[exp.Expression]:
646            # mysql binary is special and can work anywhere, even in order by operations
647            # it operates like a no paren func
648            if self._match(TokenType.BINARY, advance=False):
649                data_type = self._parse_types(check_func=True, allow_identifiers=False)
650
651                if isinstance(data_type, exp.DataType):
652                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
653
654            return super()._parse_type(
655                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
656            )
657
658        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
659            def concat_exprs(
660                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
661            ) -> exp.Expression:
662                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
663                    concat_exprs = [
664                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
665                    ]
666                    node.set("expressions", concat_exprs)
667                    return node
668                if len(exprs) == 1:
669                    return exprs[0]
670                return self.expression(exp.Concat, expressions=args, safe=True)
671
672            args = self._parse_csv(self._parse_lambda)
673
674            if args:
675                order = args[-1] if isinstance(args[-1], exp.Order) else None
676
677                if order:
678                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
679                    # remove 'expr' from exp.Order and add it back to args
680                    args[-1] = order.this
681                    order.set("this", concat_exprs(order.this, args))
682
683                this = order or concat_exprs(args[0], args)
684            else:
685                this = None
686
687            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
688
689            return self.expression(exp.GroupConcat, this=this, separator=separator)
690
691        def _parse_json_value(self) -> exp.JSONValue:
692            this = self._parse_bitwise()
693            self._match(TokenType.COMMA)
694            path = self._parse_bitwise()
695
696            returning = self._match(TokenType.RETURNING) and self._parse_type()
697
698            return self.expression(
699                exp.JSONValue,
700                this=this,
701                path=self.dialect.to_json_path(path),
702                returning=returning,
703                on_condition=self._parse_on_condition(),
704            )
705
706        def _parse_alter_table_alter_index(self) -> exp.AlterIndex:
707            index = self._parse_field(any_token=True)
708
709            if self._match_text_seq("VISIBLE"):
710                visible = True
711            elif self._match_text_seq("INVISIBLE"):
712                visible = False
713            else:
714                visible = None
715
716            return self.expression(exp.AlterIndex, this=index, visible=visible)

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.DATETIME2: 'DATETIME2'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.BLOB: 'BLOB'>, <TokenType.VOID: 'VOID'>, <TokenType.MAP: 'MAP'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.SMALLDATETIME: 'SMALLDATETIME'>, <TokenType.MULTILINESTRING: 'MULTILINESTRING'>, <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.NEXT: 'NEXT'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.JSON: 'JSON'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.IPV6: 'IPV6'>, <TokenType.ALL: 'ALL'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.DATE: 'DATE'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.ENUM: 'ENUM'>, <TokenType.ILIKE: 'ILIKE'>, <TokenType.INET: 'INET'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.LIST: 'LIST'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.UINT256: 'UINT256'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.DECIMAL256: 'DECIMAL256'>, <TokenType.RANGE: 'RANGE'>, <TokenType.RING: 'RING'>, <TokenType.SUPER: 'SUPER'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.VAR: 'VAR'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.UINT: 'UINT'>, <TokenType.INDEX: 'INDEX'>, <TokenType.GLOB: 'GLOB'>, <TokenType.NESTED: 'NESTED'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.IPV4: 'IPV4'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.LEFT: 'LEFT'>, <TokenType.TEXT: 'TEXT'>, <TokenType.POINT: 'POINT'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.FILTER: 'FILTER'>, <TokenType.FIRST: 'FIRST'>, <TokenType.POLYGON: 'POLYGON'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.BINARY: 'BINARY'>, <TokenType.INT: 'INT'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.UINT128: 'UINT128'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.SOME: 'SOME'>, <TokenType.GET: 'GET'>, <TokenType.LINESTRING: 'LINESTRING'>, <TokenType.DATE32: 'DATE32'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.OFFSET: 'OFFSET'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.VALUES: 'VALUES'>, <TokenType.TABLE: 'TABLE'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.UNION: 'UNION'>, <TokenType.CURRENT_SCHEMA: 'CURRENT_SCHEMA'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.RIGHT: 'RIGHT'>, <TokenType.INSERT: 'INSERT'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.ROW: 'ROW'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.NOTHING: 'NOTHING'>, <TokenType.WINDOW: 'WINDOW'>, <TokenType.CHAR: 'CHAR'>, <TokenType.DYNAMIC: 'DYNAMIC'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.BIT: 'BIT'>, <TokenType.YEAR: 'YEAR'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.MERGE: 'MERGE'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.LIKE: 'LIKE'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.ANY: 'ANY'>, <TokenType.INT256: 'INT256'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.MONEY: 'MONEY'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.NULL: 'NULL'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.UDOUBLE: 'UDOUBLE'>, <TokenType.TIME: 'TIME'>, <TokenType.MULTIPOLYGON: 'MULTIPOLYGON'>, <TokenType.NAME: 'NAME'>, <TokenType.INT128: 'INT128'>, <TokenType.RLIKE: 'RLIKE'>, <TokenType.XOR: 'XOR'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.JSONB: 'JSONB'>, <TokenType.XML: 'XML'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.UUID: 'UUID'>}
CONJUNCTION = {<TokenType.AND: 'AND'>: <class 'sqlglot.expressions.And'>, <TokenType.DAMP: 'DAMP'>: <class 'sqlglot.expressions.And'>, <TokenType.XOR: 'XOR'>: <class 'sqlglot.expressions.Xor'>}
DISJUNCTION = {<TokenType.OR: 'OR'>: <class 'sqlglot.expressions.Or'>, <TokenType.DPIPE: 'DPIPE'>: <class 'sqlglot.expressions.Or'>}
TABLE_ALIAS_TOKENS = {<TokenType.DATETIME2: 'DATETIME2'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.BLOB: 'BLOB'>, <TokenType.CUBE: 'CUBE'>, <TokenType.NAMESPACE: 'NAMESPACE'>, <TokenType.TRUE: 'TRUE'>, <TokenType.VOID: 'VOID'>, <TokenType.MAP: 'MAP'>, <TokenType.END: 'END'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.SMALLDATETIME: 'SMALLDATETIME'>, <TokenType.MULTILINESTRING: 'MULTILINESTRING'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.NEXT: 'NEXT'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.DESCRIBE: 'DESCRIBE'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.JSON: 'JSON'>, <TokenType.WAREHOUSE: 'WAREHOUSE'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.ALL: 'ALL'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.IPV6: 'IPV6'>, <TokenType.TOP: 'TOP'>, <TokenType.STREAMLIT: 'STREAMLIT'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.LIMIT: 'LIMIT'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.DATE: 'DATE'>, <TokenType.PARTITION: 'PARTITION'>, <TokenType.SETTINGS: 'SETTINGS'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.ENUM: 'ENUM'>, <TokenType.INET: 'INET'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.LIST: 'LIST'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.UPDATE: 'UPDATE'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.ROLLUP: 'ROLLUP'>, <TokenType.VIEW: 'VIEW'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.UINT256: 'UINT256'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.CONSTRAINT: 'CONSTRAINT'>, <TokenType.DECIMAL256: 'DECIMAL256'>, <TokenType.RANGE: 'RANGE'>, <TokenType.RING: 'RING'>, <TokenType.SUPER: 'SUPER'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.VAR: 'VAR'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.UINT: 'UINT'>, <TokenType.INDEX: 'INDEX'>, <TokenType.NESTED: 'NESTED'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.IS: 'IS'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.DETACH: 'DETACH'>, <TokenType.STORAGE_INTEGRATION: 'STORAGE_INTEGRATION'>, <TokenType.PERCENT: 'PERCENT'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.IPV4: 'IPV4'>, <TokenType.LOAD: 'LOAD'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.TEXT: 'TEXT'>, <TokenType.POINT: 'POINT'>, <TokenType.ESCAPE: 'ESCAPE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.BEGIN: 'BEGIN'>, <TokenType.DESC: 'DESC'>, <TokenType.KEEP: 'KEEP'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.FIRST: 'FIRST'>, <TokenType.FILTER: 'FILTER'>, <TokenType.POLYGON: 'POLYGON'>, <TokenType.ASC: 'ASC'>, <TokenType.DIV: 'DIV'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.BINARY: 'BINARY'>, <TokenType.INT: 'INT'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.UINT128: 'UINT128'>, <TokenType.OVERWRITE: 'OVERWRITE'>, <TokenType.FUNCTION: 'FUNCTION'>, <TokenType.FILE_FORMAT: 'FILE_FORMAT'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.SOME: 'SOME'>, <TokenType.GET: 'GET'>, <TokenType.LINESTRING: 'LINESTRING'>, <TokenType.DATE32: 'DATE32'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.MODEL: 'MODEL'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.FALSE: 'FALSE'>, <TokenType.ROWS: 'ROWS'>, <TokenType.DICTIONARY: 'DICTIONARY'>, <TokenType.FINAL: 'FINAL'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.OFFSET: 'OFFSET'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.ORDINALITY: 'ORDINALITY'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.DEFAULT: 'DEFAULT'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.RENAME: 'RENAME'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.EXPORT: 'EXPORT'>, <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, <TokenType.TABLE: 'TABLE'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.RECURSIVE: 'RECURSIVE'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.SOURCE: 'SOURCE'>, <TokenType.CURRENT_SCHEMA: 'CURRENT_SCHEMA'>, <TokenType.REFERENCES: 'REFERENCES'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.CASE: 'CASE'>, <TokenType.UNPIVOT: 'UNPIVOT'>, <TokenType.ROW: 'ROW'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.CACHE: 'CACHE'>, <TokenType.NOTHING: 'NOTHING'>, <TokenType.VOLATILE: 'VOLATILE'>, <TokenType.CHAR: 'CHAR'>, <TokenType.DYNAMIC: 'DYNAMIC'>, <TokenType.STAGE: 'STAGE'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.COMMIT: 'COMMIT'>, <TokenType.BIT: 'BIT'>, <TokenType.YEAR: 'YEAR'>, <TokenType.COPY: 'COPY'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.SET: 'SET'>, <TokenType.COLUMN: 'COLUMN'>, <TokenType.SHOW: 'SHOW'>, <TokenType.SEMI: 'SEMI'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.MERGE: 'MERGE'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.TEMPORARY: 'TEMPORARY'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.PRAGMA: 'PRAGMA'>, <TokenType.PIVOT: 'PIVOT'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, <TokenType.OPERATOR: 'OPERATOR'>, <TokenType.TAG: 'TAG'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.ANTI: 'ANTI'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.PUT: 'PUT'>, <TokenType.PROCEDURE: 'PROCEDURE'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.ANY: 'ANY'>, <TokenType.SINK: 'SINK'>, <TokenType.INT256: 'INT256'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.MONEY: 'MONEY'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.NULL: 'NULL'>, <TokenType.ATTACH: 'ATTACH'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.UDOUBLE: 'UDOUBLE'>, <TokenType.TIME: 'TIME'>, <TokenType.REFRESH: 'REFRESH'>, <TokenType.MULTIPOLYGON: 'MULTIPOLYGON'>, <TokenType.KILL: 'KILL'>, <TokenType.NAME: 'NAME'>, <TokenType.INT128: 'INT128'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.DELETE: 'DELETE'>, <TokenType.OVERLAPS: 'OVERLAPS'>, <TokenType.COMMENT: 'COMMENT'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.JSONB: 'JSONB'>, <TokenType.UNIQUE: 'UNIQUE'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.XML: 'XML'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.UUID: 'UUID'>}
RANGE_PARSERS = {<TokenType.AT_GT: 'AT_GT'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.BETWEEN: 'BETWEEN'>: <function Parser.<lambda>>, <TokenType.GLOB: 'GLOB'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.ILIKE: 'ILIKE'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.IN: 'IN'>: <function Parser.<lambda>>, <TokenType.IRLIKE: 'IRLIKE'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.IS: 'IS'>: <function Parser.<lambda>>, <TokenType.LIKE: 'LIKE'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.LT_AT: 'LT_AT'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.OVERLAPS: 'OVERLAPS'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.RLIKE: 'RLIKE'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.SIMILAR_TO: 'SIMILAR_TO'>: <function binary_range_parser.<locals>._parse_binary_range>, <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'>>, 'AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.And'>>, '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'>>, 'APPLY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Apply'>>, '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': <function Parser.<lambda>>, 'ARRAY_AGG': <function Parser.<lambda>>, '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_CONCAT_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcatAgg'>>, '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'>>, 'ARRAY_HAS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContains'>>, 'ARRAY_CONTAINS_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContainsAll'>>, 'ARRAY_HAS_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContainsAll'>>, '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_REMOVE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayRemove'>>, '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': <function Parser.<lambda>>, 'CHAR': <function Parser.<lambda>>, 'COALESCE': <function build_coalesce>, 'IFNULL': <function build_coalesce>, 'NVL': <function build_coalesce>, 'COLLATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Collate'>>, 'COLUMNS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Columns'>>, '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'>>, 'CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Contains'>>, 'CONVERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Convert'>>, 'CONVERT_TIMEZONE': <function build_convert_timezone>, 'CONVERT_TO_CHARSET': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ConvertToCharset'>>, 'CORR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Corr'>>, 'COUNT': <function Parser.<lambda>>, '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_SCHEMA': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentSchema'>>, '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>, 'DATE_BIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateBin'>>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Datetime'>>, '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>>, 'DAYOFWEEK_ISO': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfWeekIso'>>, 'ISODOW': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfWeekIso'>>, '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'>>, 'EXISTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Exists'>>, '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'>>, 'EXPLODING_GENERATE_SERIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ExplodingGenerateSeries'>>, 'EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Extract'>>, 'FEATURES_AT_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FeaturesAtTime'>>, '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'>>, 'FROM_ISO8601_TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromISO8601Timestamp'>>, 'GAP_FILL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GapFill'>>, 'GENERATE_DATE_ARRAY': <function Parser.<lambda>>, 'GENERATE_SERIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateSeries'>>, 'GENERATE_TIMESTAMP_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateTimestampArray'>>, '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'>>, 'INLINE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Inline'>>, 'INT64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Int64'>>, 'IS_ASCII': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsAscii'>>, '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_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBContains'>>, 'JSONB_EXISTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBExists'>>, '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'>>, 'J_S_O_N_B_OBJECT_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBObjectAgg'>>, 'J_S_O_N_CAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONCast'>>, 'J_S_O_N_EXISTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONExists'>>, 'JSON_EXTRACT': <function build_extract_json_with_path.<locals>._builder>, 'JSON_EXTRACT_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONExtractArray'>>, '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'>>, 'J_S_O_N_VALUE_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONValueArray'>>, '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': <function MySQL.Parser.<lambda>>, 'LEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Length'>>, 'CHAR_LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Length'>>, 'CHARACTER_LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Length'>>, 'LEVENSHTEIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Levenshtein'>>, 'LIST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.List'>>, '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'>>, 'MAKE_INTERVAL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MakeInterval'>>, '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'>>, 'MEDIAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Median'>>, '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'>>, 'NORMALIZE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Normalize'>>, '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'>>, 'OBJECT_INSERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ObjectInsert'>>, 'OPEN_J_S_O_N': <bound method Func.from_arg_list of <class 'sqlglot.expressions.OpenJSON'>>, 'OR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Or'>>, 'OVERLAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Overlay'>>, 'PAD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pad'>>, '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_EXTRACT_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpExtractAll'>>, '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'>>, 'SPLIT_PART': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SplitPart'>>, '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'>>, 'STDEV': <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'>>, 'STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.String'>>, 'STRING_TO_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StringToArray'>>, 'SPLIT_BY_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StringToArray'>>, 'STRTOK_TO_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StringToArray'>>, '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'>>, 'SUBSTR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Substring'>>, 'SUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sum'>>, 'TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Time'>>, '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_DOUBLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToDouble'>>, '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_DATETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToDatetime'>>, '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'>>, 'UNICODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Unicode'>>, 'UNIX_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixDate'>>, 'UNIX_SECONDS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixSeconds'>>, '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'>>, 'UNNEST': <function Parser.<lambda>>, 'UPPER': <function build_upper>, 'UCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Upper'>>, 'UUID': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Uuid'>>, 'GEN_RANDOM_UUID': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Uuid'>>, 'GENERATE_UUID': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Uuid'>>, 'UUID_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Uuid'>>, '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>>, 'XMLELEMENT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.XMLElement'>>, '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>>, 'ARRAYAGG': <function 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>>, 'LPAD': <function Parser.<lambda>>, 'LEFTPAD': <function Parser.<lambda>>, 'LTRIM': <function Parser.<lambda>>, 'MOD': <function build_mod>, 'RIGHTPAD': <function Parser.<lambda>>, 'RPAD': <function Parser.<lambda>>, 'RTRIM': <function Parser.<lambda>>, 'SCOPE_RESOLUTION': <function Parser.<lambda>>, 'STRPOS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrPosition'>>, 'CHARINDEX': <function Parser.<lambda>>, 'INSTR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrPosition'>>, 'LOCATE': <function Parser.<lambda>>, 'TO_HEX': <function build_hex>, 'CONVERT_TZ': <function MySQL.Parser.<lambda>>, 'CURDATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentDate'>>, 'DATE_FORMAT': <function build_formatted_time.<locals>._builder>, 'FORMAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NumberToStr'>>, 'FROM_UNIXTIME': <function build_formatted_time.<locals>._builder>, 'ISNULL': <function isnull_to_is_null>, 'MAKETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'MONTHNAME': <function MySQL.Parser.<lambda>>, 'SCHEMA': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentSchema'>>, 'DATABASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentSchema'>>}
FUNCTION_PARSERS = {'ARG_MAX': <function Parser.<dictcomp>.<lambda>>, 'ARGMAX': <function Parser.<dictcomp>.<lambda>>, 'MAX_BY': <function Parser.<dictcomp>.<lambda>>, 'ARG_MIN': <function Parser.<dictcomp>.<lambda>>, 'ARGMIN': <function Parser.<dictcomp>.<lambda>>, 'MIN_BY': <function Parser.<dictcomp>.<lambda>>, 'CAST': <function Parser.<lambda>>, 'CEIL': <function Parser.<lambda>>, 'CONVERT': <function Parser.<lambda>>, 'DECODE': <function Parser.<lambda>>, 'EXTRACT': <function Parser.<lambda>>, 'FLOOR': <function Parser.<lambda>>, 'GAP_FILL': <function Parser.<lambda>>, 'JSON_OBJECT': <function Parser.<lambda>>, 'JSON_OBJECTAGG': <function Parser.<lambda>>, 'JSON_TABLE': <function Parser.<lambda>>, 'MATCH': <function Parser.<lambda>>, 'NORMALIZE': <function Parser.<lambda>>, 'OPENJSON': <function Parser.<lambda>>, 'OVERLAY': <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>>, 'XMLELEMENT': <function Parser.<lambda>>, 'XMLTABLE': <function Parser.<lambda>>, 'CHAR': <function MySQL.Parser.<lambda>>, 'GROUP_CONCAT': <function MySQL.Parser.<lambda>>, 'VALUES': <function MySQL.Parser.<lambda>>, 'JSON_VALUE': <function MySQL.Parser.<lambda>>}
STATEMENT_PARSERS = {<TokenType.ALTER: 'ALTER'>: <function Parser.<lambda>>, <TokenType.ANALYZE: 'ANALYZE'>: <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.GRANT: 'GRANT'>: <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.UNPIVOT: 'UNPIVOT'>: <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>>, 'DISTRIBUTED': <function Parser.<lambda>>, 'DUPLICATE': <function Parser.<lambda>>, 'DYNAMIC': <function Parser.<lambda>>, 'DISTKEY': <function Parser.<lambda>>, 'DISTSTYLE': <function Parser.<lambda>>, 'EMPTY': <function Parser.<lambda>>, 'ENGINE': <function Parser.<lambda>>, 'ENVIRONMENT': <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>>, 'STREAMING': <function Parser.<lambda>>, 'ROW': <function Parser.<lambda>>, 'ROW_FORMAT': <function Parser.<lambda>>, 'SAMPLE': <function Parser.<lambda>>, 'SECURE': <function Parser.<lambda>>, 'SECURITY': <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>>, 'WATERMARK': <function Parser.<lambda>>, 'WITH': <function Parser.<lambda>>, 'BUCKET': <function Parser.<lambda>>, 'TRUNCATE': <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>>, 'AS': <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>>, 'SWAP': <function Parser.<lambda>>, 'MODIFY': <function MySQL.Parser.<lambda>>}
ALTER_ALTER_PARSERS = {'DISTKEY': <function Parser.<lambda>>, 'DISTSTYLE': <function Parser.<lambda>>, 'SORTKEY': <function Parser.<lambda>>, 'COMPOUND': <function Parser.<lambda>>, 'INDEX': <function MySQL.Parser.<lambda>>}
SCHEMA_UNNAMED_CONSTRAINTS = {'PERIOD', 'WATERMARK', 'BUCKET', 'FOREIGN KEY', 'FULLTEXT', 'TRUNCATE', 'CHECK', 'PRIMARY KEY', 'UNIQUE', 'INDEX', 'EXCLUDE', 'KEY', 'SPATIAL', 'LIKE'}
PROFILE_TYPES: Dict[str, Sequence[Union[Sequence[str], str]]] = {'ALL': (), 'CPU': (), 'IPC': (), 'MEMORY': (), 'SOURCE': (), 'SWAPS': (), 'BLOCK': ('IO',), 'CONTEXT': ('SWITCHES',), 'PAGE': ('FAULTS',)}
TYPE_TOKENS = {<TokenType.DATETIME2: 'DATETIME2'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.BLOB: 'BLOB'>, <TokenType.VOID: 'VOID'>, <TokenType.MAP: 'MAP'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.SMALLDATETIME: 'SMALLDATETIME'>, <TokenType.MULTILINESTRING: 'MULTILINESTRING'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.JSON: 'JSON'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.IPV6: 'IPV6'>, <TokenType.UNION: 'UNION'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.DATE: 'DATE'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.ENUM: 'ENUM'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.INET: 'INET'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.LIST: 'LIST'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.UINT256: 'UINT256'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.DECIMAL256: 'DECIMAL256'>, <TokenType.RANGE: 'RANGE'>, <TokenType.NOTHING: 'NOTHING'>, <TokenType.CHAR: 'CHAR'>, <TokenType.RING: 'RING'>, <TokenType.DYNAMIC: 'DYNAMIC'>, <TokenType.SUPER: 'SUPER'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.BIT: 'BIT'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.YEAR: 'YEAR'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.SET: 'SET'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.UINT: 'UINT'>, <TokenType.NESTED: 'NESTED'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.IPV4: 'IPV4'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.TEXT: 'TEXT'>, <TokenType.POINT: 'POINT'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.POLYGON: 'POLYGON'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.BINARY: 'BINARY'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.INT: 'INT'>, <TokenType.INT256: 'INT256'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.UINT128: 'UINT128'>, <TokenType.MONEY: 'MONEY'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.NULL: 'NULL'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.UDOUBLE: 'UDOUBLE'>, <TokenType.TIME: 'TIME'>, <TokenType.MULTIPOLYGON: 'MULTIPOLYGON'>, <TokenType.NAME: 'NAME'>, <TokenType.LINESTRING: 'LINESTRING'>, <TokenType.DATE32: 'DATE32'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.INT128: 'INT128'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.JSONB: 'JSONB'>, <TokenType.XML: 'XML'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.UUID: 'UUID'>}
ENUM_TYPE_TOKENS = {<TokenType.SET: 'SET'>, <TokenType.ENUM: 'ENUM'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.DYNAMIC: 'DYNAMIC'>}
OPERATION_MODIFIERS = {'SQL_BIG_RESULT', 'SQL_BUFFER_RESULT', 'SQL_SMALL_RESULT', 'HIGH_PRIORITY', 'STRAIGHT_JOIN', 'SQL_CALC_FOUND_ROWS', 'SQL_NO_CACHE'}
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
ALTERABLES
ID_VAR_TOKENS
ALIAS_TOKENS
COLON_PLACEHOLDER_TOKENS
ARRAY_CONSTRUCTORS
COMMENT_TABLE_ALIAS_TOKENS
UPDATE_ALIAS_TOKENS
TRIM_TYPES
ASSIGNMENT
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
PIPE_SYNTAX_TRANSFORM_PARSERS
NO_PAREN_FUNCTION_PARSERS
INVALID_FUNC_NAME_TOKENS
FUNCTIONS_WITH_ALIASED_ARGS
KEY_VALUE_DEFINITIONS
QUERY_MODIFIER_PARSERS
TYPE_LITERAL_PARSERS
TYPE_CONVERTERS
DDL_SELECT_TOKENS
PRE_VOLATILE_TOKENS
TRANSACTION_KIND
TRANSACTION_CHARACTERISTICS
CONFLICT_ACTIONS
CREATE_SEQUENCE
ISOLATED_LOADING_OPTIONS
USABLES
CAST_ACTIONS
SCHEMA_BINDING_OPTIONS
PROCEDURE_OPTIONS
EXECUTE_AS_OPTIONS
KEY_CONSTRAINT_OPTIONS
WINDOW_EXCLUDE_OPTIONS
INSERT_ALTERNATIVES
CLONE_KEYWORDS
HISTORICAL_DATA_PREFIX
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
COPY_INTO_VARLEN_OPTIONS
IS_JSON_PREDICATE_KIND
ODBC_DATETIME_LITERALS
ON_CONDITION_TOKENS
PRIVILEGE_FOLLOW_TOKENS
DESCRIBE_STYLES
ANALYZE_STYLES
ANALYZE_EXPRESSION_PARSERS
PARTITION_KEYWORDS
AMBIGUOUS_ALIAS_TOKENS
RECURSIVE_CTE_SEARCH_KIND
MODIFIABLES
STRICT_CAST
PREFIXED_PIVOT_COLUMNS
IDENTIFY_PIVOT_STRINGS
TABLESAMPLE_CSV
DEFAULT_SAMPLING_METHOD
SET_REQUIRES_ASSIGNMENT_DELIMITER
TRIM_PATTERN_FIRST
MODIFIERS_ATTACHED_TO_SET_OP
SET_OP_MODIFIERS
NO_PAREN_IF_COMMANDS
JSON_ARROWS_REQUIRE_JSON_TYPE
COLON_IS_VARIANT_EXTRACT
SUPPORTS_IMPLICIT_UNNEST
INTERVAL_SPANS
WRAPPED_TRANSFORM_COLUMN_CONSTRAINT
OPTIONAL_ALIAS_TOKEN_CTE
error_level
error_message_context
max_errors
dialect
reset
parse
parse_into
check_errors
raise_error
expression
validate_expression
parse_set_operation
errors
sql
class MySQL.Generator(sqlglot.generator.Generator):
 718    class Generator(generator.Generator):
 719        INTERVAL_ALLOWS_PLURAL_FORM = False
 720        LOCKING_READS_SUPPORTED = True
 721        NULL_ORDERING_SUPPORTED = None
 722        JOIN_HINTS = False
 723        TABLE_HINTS = True
 724        DUPLICATE_KEY_UPDATE_WITH_SET = False
 725        QUERY_HINT_SEP = " "
 726        VALUES_AS_TABLE = False
 727        NVL2_SUPPORTED = False
 728        LAST_DAY_SUPPORTS_DATE_PART = False
 729        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
 730        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
 731        JSON_KEY_VALUE_PAIR_SEP = ","
 732        SUPPORTS_TO_NUMBER = False
 733        PARSE_JSON_NAME: t.Optional[str] = None
 734        PAD_FILL_PATTERN_IS_REQUIRED = True
 735        WRAP_DERIVED_VALUES = False
 736        VARCHAR_REQUIRES_SIZE = True
 737        SUPPORTS_MEDIAN = False
 738
 739        TRANSFORMS = {
 740            **generator.Generator.TRANSFORMS,
 741            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
 742            exp.CurrentDate: no_paren_current_date_sql,
 743            exp.DateDiff: _remove_ts_or_ds_to_date(
 744                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
 745            ),
 746            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
 747            exp.DateStrToDate: datestrtodate_sql,
 748            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
 749            exp.DateTrunc: _date_trunc_sql,
 750            exp.Day: _remove_ts_or_ds_to_date(),
 751            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
 752            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
 753            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
 754            exp.GroupConcat: lambda self,
 755            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
 756            exp.ILike: no_ilike_sql,
 757            exp.JSONExtractScalar: arrow_json_extract_sql,
 758            exp.Length: length_or_char_length_sql,
 759            exp.LogicalOr: rename_func("MAX"),
 760            exp.LogicalAnd: rename_func("MIN"),
 761            exp.Max: max_or_greatest,
 762            exp.Min: min_or_least,
 763            exp.Month: _remove_ts_or_ds_to_date(),
 764            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
 765            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
 766            exp.NumberToStr: rename_func("FORMAT"),
 767            exp.Pivot: no_pivot_sql,
 768            exp.Select: transforms.preprocess(
 769                [
 770                    transforms.eliminate_distinct_on,
 771                    transforms.eliminate_semi_and_anti_joins,
 772                    transforms.eliminate_qualify,
 773                    transforms.eliminate_full_outer_join,
 774                    transforms.unnest_generate_date_array_using_recursive_cte,
 775                ]
 776            ),
 777            exp.StrPosition: lambda self, e: strposition_sql(
 778                self, e, func_name="LOCATE", supports_position=True
 779            ),
 780            exp.StrToDate: _str_to_date_sql,
 781            exp.StrToTime: _str_to_date_sql,
 782            exp.Stuff: rename_func("INSERT"),
 783            exp.TableSample: no_tablesample_sql,
 784            exp.TimeFromParts: rename_func("MAKETIME"),
 785            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
 786            exp.TimestampDiff: lambda self, e: self.func(
 787                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
 788            ),
 789            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
 790            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
 791            exp.TimeStrToTime: lambda self, e: timestrtotime_sql(
 792                self,
 793                e,
 794                include_precision=not e.args.get("zone"),
 795            ),
 796            exp.TimeToStr: _remove_ts_or_ds_to_date(
 797                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
 798            ),
 799            exp.Trim: trim_sql,
 800            exp.TryCast: no_trycast_sql,
 801            exp.TsOrDsAdd: date_add_sql("ADD"),
 802            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
 803            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
 804            exp.Unicode: lambda self, e: f"ORD(CONVERT({self.sql(e.this)} USING utf32))",
 805            exp.UnixToTime: _unix_to_time_sql,
 806            exp.Week: _remove_ts_or_ds_to_date(),
 807            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
 808            exp.Year: _remove_ts_or_ds_to_date(),
 809        }
 810
 811        UNSIGNED_TYPE_MAPPING = {
 812            exp.DataType.Type.UBIGINT: "BIGINT",
 813            exp.DataType.Type.UINT: "INT",
 814            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
 815            exp.DataType.Type.USMALLINT: "SMALLINT",
 816            exp.DataType.Type.UTINYINT: "TINYINT",
 817            exp.DataType.Type.UDECIMAL: "DECIMAL",
 818            exp.DataType.Type.UDOUBLE: "DOUBLE",
 819        }
 820
 821        TIMESTAMP_TYPE_MAPPING = {
 822            exp.DataType.Type.DATETIME2: "DATETIME",
 823            exp.DataType.Type.SMALLDATETIME: "DATETIME",
 824            exp.DataType.Type.TIMESTAMP: "DATETIME",
 825            exp.DataType.Type.TIMESTAMPNTZ: "DATETIME",
 826            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
 827            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
 828        }
 829
 830        TYPE_MAPPING = {
 831            **generator.Generator.TYPE_MAPPING,
 832            **UNSIGNED_TYPE_MAPPING,
 833            **TIMESTAMP_TYPE_MAPPING,
 834        }
 835
 836        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
 837        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
 838        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
 839        TYPE_MAPPING.pop(exp.DataType.Type.BLOB)
 840        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
 841        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
 842        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
 843
 844        PROPERTIES_LOCATION = {
 845            **generator.Generator.PROPERTIES_LOCATION,
 846            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
 847            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
 848        }
 849
 850        LIMIT_FETCH = "LIMIT"
 851
 852        LIMIT_ONLY_LITERALS = True
 853
 854        CHAR_CAST_MAPPING = dict.fromkeys(
 855            (
 856                exp.DataType.Type.LONGTEXT,
 857                exp.DataType.Type.LONGBLOB,
 858                exp.DataType.Type.MEDIUMBLOB,
 859                exp.DataType.Type.MEDIUMTEXT,
 860                exp.DataType.Type.TEXT,
 861                exp.DataType.Type.TINYBLOB,
 862                exp.DataType.Type.TINYTEXT,
 863                exp.DataType.Type.VARCHAR,
 864            ),
 865            "CHAR",
 866        )
 867        SIGNED_CAST_MAPPING = dict.fromkeys(
 868            (
 869                exp.DataType.Type.BIGINT,
 870                exp.DataType.Type.BOOLEAN,
 871                exp.DataType.Type.INT,
 872                exp.DataType.Type.SMALLINT,
 873                exp.DataType.Type.TINYINT,
 874                exp.DataType.Type.MEDIUMINT,
 875            ),
 876            "SIGNED",
 877        )
 878
 879        # MySQL doesn't support many datatypes in cast.
 880        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
 881        CAST_MAPPING = {
 882            **CHAR_CAST_MAPPING,
 883            **SIGNED_CAST_MAPPING,
 884            exp.DataType.Type.UBIGINT: "UNSIGNED",
 885        }
 886
 887        TIMESTAMP_FUNC_TYPES = {
 888            exp.DataType.Type.TIMESTAMPTZ,
 889            exp.DataType.Type.TIMESTAMPLTZ,
 890        }
 891
 892        # https://dev.mysql.com/doc/refman/8.0/en/keywords.html
 893        RESERVED_KEYWORDS = {
 894            "accessible",
 895            "add",
 896            "all",
 897            "alter",
 898            "analyze",
 899            "and",
 900            "as",
 901            "asc",
 902            "asensitive",
 903            "before",
 904            "between",
 905            "bigint",
 906            "binary",
 907            "blob",
 908            "both",
 909            "by",
 910            "call",
 911            "cascade",
 912            "case",
 913            "change",
 914            "char",
 915            "character",
 916            "check",
 917            "collate",
 918            "column",
 919            "condition",
 920            "constraint",
 921            "continue",
 922            "convert",
 923            "create",
 924            "cross",
 925            "cube",
 926            "cume_dist",
 927            "current_date",
 928            "current_time",
 929            "current_timestamp",
 930            "current_user",
 931            "cursor",
 932            "database",
 933            "databases",
 934            "day_hour",
 935            "day_microsecond",
 936            "day_minute",
 937            "day_second",
 938            "dec",
 939            "decimal",
 940            "declare",
 941            "default",
 942            "delayed",
 943            "delete",
 944            "dense_rank",
 945            "desc",
 946            "describe",
 947            "deterministic",
 948            "distinct",
 949            "distinctrow",
 950            "div",
 951            "double",
 952            "drop",
 953            "dual",
 954            "each",
 955            "else",
 956            "elseif",
 957            "empty",
 958            "enclosed",
 959            "escaped",
 960            "except",
 961            "exists",
 962            "exit",
 963            "explain",
 964            "false",
 965            "fetch",
 966            "first_value",
 967            "float",
 968            "float4",
 969            "float8",
 970            "for",
 971            "force",
 972            "foreign",
 973            "from",
 974            "fulltext",
 975            "function",
 976            "generated",
 977            "get",
 978            "grant",
 979            "group",
 980            "grouping",
 981            "groups",
 982            "having",
 983            "high_priority",
 984            "hour_microsecond",
 985            "hour_minute",
 986            "hour_second",
 987            "if",
 988            "ignore",
 989            "in",
 990            "index",
 991            "infile",
 992            "inner",
 993            "inout",
 994            "insensitive",
 995            "insert",
 996            "int",
 997            "int1",
 998            "int2",
 999            "int3",
1000            "int4",
1001            "int8",
1002            "integer",
1003            "intersect",
1004            "interval",
1005            "into",
1006            "io_after_gtids",
1007            "io_before_gtids",
1008            "is",
1009            "iterate",
1010            "join",
1011            "json_table",
1012            "key",
1013            "keys",
1014            "kill",
1015            "lag",
1016            "last_value",
1017            "lateral",
1018            "lead",
1019            "leading",
1020            "leave",
1021            "left",
1022            "like",
1023            "limit",
1024            "linear",
1025            "lines",
1026            "load",
1027            "localtime",
1028            "localtimestamp",
1029            "lock",
1030            "long",
1031            "longblob",
1032            "longtext",
1033            "loop",
1034            "low_priority",
1035            "master_bind",
1036            "master_ssl_verify_server_cert",
1037            "match",
1038            "maxvalue",
1039            "mediumblob",
1040            "mediumint",
1041            "mediumtext",
1042            "middleint",
1043            "minute_microsecond",
1044            "minute_second",
1045            "mod",
1046            "modifies",
1047            "natural",
1048            "not",
1049            "no_write_to_binlog",
1050            "nth_value",
1051            "ntile",
1052            "null",
1053            "numeric",
1054            "of",
1055            "on",
1056            "optimize",
1057            "optimizer_costs",
1058            "option",
1059            "optionally",
1060            "or",
1061            "order",
1062            "out",
1063            "outer",
1064            "outfile",
1065            "over",
1066            "partition",
1067            "percent_rank",
1068            "precision",
1069            "primary",
1070            "procedure",
1071            "purge",
1072            "range",
1073            "rank",
1074            "read",
1075            "reads",
1076            "read_write",
1077            "real",
1078            "recursive",
1079            "references",
1080            "regexp",
1081            "release",
1082            "rename",
1083            "repeat",
1084            "replace",
1085            "require",
1086            "resignal",
1087            "restrict",
1088            "return",
1089            "revoke",
1090            "right",
1091            "rlike",
1092            "row",
1093            "rows",
1094            "row_number",
1095            "schema",
1096            "schemas",
1097            "second_microsecond",
1098            "select",
1099            "sensitive",
1100            "separator",
1101            "set",
1102            "show",
1103            "signal",
1104            "smallint",
1105            "spatial",
1106            "specific",
1107            "sql",
1108            "sqlexception",
1109            "sqlstate",
1110            "sqlwarning",
1111            "sql_big_result",
1112            "sql_calc_found_rows",
1113            "sql_small_result",
1114            "ssl",
1115            "starting",
1116            "stored",
1117            "straight_join",
1118            "system",
1119            "table",
1120            "terminated",
1121            "then",
1122            "tinyblob",
1123            "tinyint",
1124            "tinytext",
1125            "to",
1126            "trailing",
1127            "trigger",
1128            "true",
1129            "undo",
1130            "union",
1131            "unique",
1132            "unlock",
1133            "unsigned",
1134            "update",
1135            "usage",
1136            "use",
1137            "using",
1138            "utc_date",
1139            "utc_time",
1140            "utc_timestamp",
1141            "values",
1142            "varbinary",
1143            "varchar",
1144            "varcharacter",
1145            "varying",
1146            "virtual",
1147            "when",
1148            "where",
1149            "while",
1150            "window",
1151            "with",
1152            "write",
1153            "xor",
1154            "year_month",
1155            "zerofill",
1156        }
1157
1158        def array_sql(self, expression: exp.Array) -> str:
1159            self.unsupported("Arrays are not supported by MySQL")
1160            return self.function_fallback_sql(expression)
1161
1162        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1163            self.unsupported("Array operations are not supported by MySQL")
1164            return self.function_fallback_sql(expression)
1165
1166        def dpipe_sql(self, expression: exp.DPipe) -> str:
1167            return self.func("CONCAT", *expression.flatten())
1168
1169        def extract_sql(self, expression: exp.Extract) -> str:
1170            unit = expression.name
1171            if unit and unit.lower() == "epoch":
1172                return self.func("UNIX_TIMESTAMP", expression.expression)
1173
1174            return super().extract_sql(expression)
1175
1176        def datatype_sql(self, expression: exp.DataType) -> str:
1177            if (
1178                self.VARCHAR_REQUIRES_SIZE
1179                and expression.is_type(exp.DataType.Type.VARCHAR)
1180                and not expression.expressions
1181            ):
1182                # `VARCHAR` must always have a size - if it doesn't, we always generate `TEXT`
1183                return "TEXT"
1184
1185            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1186            result = super().datatype_sql(expression)
1187            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1188                result = f"{result} UNSIGNED"
1189
1190            return result
1191
1192        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1193            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
1194
1195        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1196            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1197                return self.func("TIMESTAMP", expression.this)
1198
1199            to = self.CAST_MAPPING.get(expression.to.this)
1200
1201            if to:
1202                expression.to.set("this", to)
1203            return super().cast_sql(expression)
1204
1205        def show_sql(self, expression: exp.Show) -> str:
1206            this = f" {expression.name}"
1207            full = " FULL" if expression.args.get("full") else ""
1208            global_ = " GLOBAL" if expression.args.get("global") else ""
1209
1210            target = self.sql(expression, "target")
1211            target = f" {target}" if target else ""
1212            if expression.name in ("COLUMNS", "INDEX"):
1213                target = f" FROM{target}"
1214            elif expression.name == "GRANTS":
1215                target = f" FOR{target}"
1216
1217            db = self._prefixed_sql("FROM", expression, "db")
1218
1219            like = self._prefixed_sql("LIKE", expression, "like")
1220            where = self.sql(expression, "where")
1221
1222            types = self.expressions(expression, key="types")
1223            types = f" {types}" if types else types
1224            query = self._prefixed_sql("FOR QUERY", expression, "query")
1225
1226            if expression.name == "PROFILE":
1227                offset = self._prefixed_sql("OFFSET", expression, "offset")
1228                limit = self._prefixed_sql("LIMIT", expression, "limit")
1229            else:
1230                offset = ""
1231                limit = self._oldstyle_limit_sql(expression)
1232
1233            log = self._prefixed_sql("IN", expression, "log")
1234            position = self._prefixed_sql("FROM", expression, "position")
1235
1236            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1237
1238            if expression.name == "ENGINE":
1239                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1240            else:
1241                mutex_or_status = ""
1242
1243            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
1244
1245        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1246            dtype = self.sql(expression, "dtype")
1247            if not dtype:
1248                return super().altercolumn_sql(expression)
1249
1250            this = self.sql(expression, "this")
1251            return f"MODIFY COLUMN {this} {dtype}"
1252
1253        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
1254            sql = self.sql(expression, arg)
1255            return f" {prefix} {sql}" if sql else ""
1256
1257        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
1258            limit = self.sql(expression, "limit")
1259            offset = self.sql(expression, "offset")
1260            if limit:
1261                limit_offset = f"{offset}, {limit}" if offset else limit
1262                return f" LIMIT {limit_offset}"
1263            return ""
1264
1265        def chr_sql(self, expression: exp.Chr) -> str:
1266            this = self.expressions(sqls=[expression.this] + expression.expressions)
1267            charset = expression.args.get("charset")
1268            using = f" USING {self.sql(charset)}" if charset else ""
1269            return f"CHAR({this}{using})"
1270
1271        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1272            unit = expression.args.get("unit")
1273
1274            # Pick an old-enough date to avoid negative timestamp diffs
1275            start_ts = "'0000-01-01 00:00:00'"
1276
1277            # Source: https://stackoverflow.com/a/32955740
1278            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1279            interval = exp.Interval(this=timestamp_diff, unit=unit)
1280            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1281
1282            return self.sql(dateadd)
1283
1284        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1285            from_tz = expression.args.get("source_tz")
1286            to_tz = expression.args.get("target_tz")
1287            dt = expression.args.get("timestamp")
1288
1289            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
1290
1291        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1292            self.unsupported("AT TIME ZONE is not supported by MySQL")
1293            return self.sql(expression.this)
1294
1295        def isascii_sql(self, expression: exp.IsAscii) -> str:
1296            return f"REGEXP_LIKE({self.sql(expression.this)}, '^[[:ascii:]]*$')"
1297
1298        @unsupported_args("this")
1299        def currentschema_sql(self, expression: exp.CurrentSchema) -> str:
1300            return self.func("SCHEMA")

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
INTERVAL_ALLOWS_PLURAL_FORM = False
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
PARSE_JSON_NAME: Optional[str] = None
PAD_FILL_PATTERN_IS_REQUIRED = True
WRAP_DERIVED_VALUES = False
VARCHAR_REQUIRES_SIZE = True
SUPPORTS_MEDIAN = 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.AnalyzeColumns'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.AnalyzeWith'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ArrayContainsAll'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ArrayOverlaps'>: <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.Ceil'>: <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.ConnectByRoot'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ConvertToCharset'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CopyGrantsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CredentialsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.DateFormatColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.DefaultColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.DynamicProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.EmptyProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.EncodeColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.EnviromentProperty'>: <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.Except'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ExternalProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.Floor'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.Get'>: <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.Intersect'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.IntervalSpan'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.Int64'>: <function Generator.<lambda>>, <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.Operator'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OutputModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.PathColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.PartitionedByBucket'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.PartitionByTruncate'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.PivotAny'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ProjectionPolicyColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.Put'>: <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.SecureProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SecurityProperty'>: <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.Stream'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.StreamingTableProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.StrictProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SwapTable'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.Tags'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TemporaryProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TitleColumnConstraint'>: <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.Union'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.UnloggedProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.UsingTemplateProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.UsingData'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.Uuid'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.UppercaseColumnConstraint'>: <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.WithProcedureOptions'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithSchemaBindingProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithOperator'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ForceProperty'>: <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.JSONExtractScalar'>: <function arrow_json_extract_sql>, <class 'sqlglot.expressions.Length'>: <function length_or_char_length_sql>, <class 'sqlglot.expressions.LogicalOr'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.LogicalAnd'>: <function rename_func.<locals>.<lambda>>, <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.NumberToStr'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.Pivot'>: <function no_pivot_sql>, <class 'sqlglot.expressions.Select'>: <function preprocess.<locals>._to_sql>, <class 'sqlglot.expressions.StrPosition'>: <function MySQL.Generator.<lambda>>, <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.Unicode'>: <function MySQL.Generator.<lambda>>, <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', <Type.UDOUBLE: 'UDOUBLE'>: 'DOUBLE'}
TIMESTAMP_TYPE_MAPPING = {<Type.DATETIME2: 'DATETIME2'>: 'DATETIME', <Type.SMALLDATETIME: 'SMALLDATETIME'>: 'DATETIME', <Type.TIMESTAMP: 'TIMESTAMP'>: 'DATETIME', <Type.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>: 'DATETIME', <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: 'TIMESTAMP', <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>: 'TIMESTAMP'}
TYPE_MAPPING = {<Type.DATETIME2: 'DATETIME2'>: 'DATETIME', <Type.NCHAR: 'NCHAR'>: 'CHAR', <Type.NVARCHAR: 'NVARCHAR'>: 'VARCHAR', <Type.INET: 'INET'>: 'INET', <Type.ROWVERSION: 'ROWVERSION'>: 'VARBINARY', <Type.SMALLDATETIME: 'SMALLDATETIME'>: 'DATETIME', <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.UDOUBLE: 'UDOUBLE'>: 'DOUBLE', <Type.TIMESTAMP: 'TIMESTAMP'>: 'DATETIME', <Type.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>: '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.DistributedByProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DuplicateKeyProperty'>: <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.DynamicProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.DistKeyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DistStyleProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.EmptyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.EncodeProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.EngineProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.EnviromentProperty'>: <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.IncludeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <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.SecureProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.SecurityProperty'>: <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.StorageHandlerProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.StreamingTableProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.StrictProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Tags'>: <Location.POST_WITH: 'POST_WITH'>, <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.UsingTemplateProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <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.WithProcedureOptions'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.WithSchemaBindingProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.WithSystemVersioningProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ForceProperty'>: <Location.POST_CREATE: 'POST_CREATE'>}
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'>}
RESERVED_KEYWORDS = {'recursive', 'to', 'delayed', 'distinctrow', 'rows', 'call', 'inout', 'outer', 'references', 'day_minute', 'continue', 'longtext', 'specific', 'change', 'values', 'insert', 'create', 'exists', 'low_priority', 'maxvalue', 'trigger', 'match', 'spatial', 'window', 'function', 'longblob', 'asc', 'in', 'day_hour', 'of', 'if', 'outfile', 'sql', 'insensitive', 'rank', 'high_priority', 'mediumint', 'unsigned', 'option', 'procedure', 'int', 'optionally', 'linear', 'by', 'current_time', 'nth_value', 'cascade', 'repeat', 'primary', 'purge', 'fetch', 'sqlexception', 'enclosed', 'cube', 'sqlwarning', 'utc_timestamp', 'minute_microsecond', 'sqlstate', 'for', 'convert', 'leave', 'separator', 'right', 'force', 'key', 'cross', 'precision', 'hour_minute', 'virtual', 'leading', 'update', 'then', 'infile', 'use', 'rename', 'grouping', 'collate', 'decimal', 'order', 'current_user', 'minute_second', 'row', 'varchar', 'restrict', 'case', 'undo', 'float8', 'require', 'empty', 'float4', 'load', 'drop', 'blob', 'straight_join', 'elseif', 'starting', 'sensitive', 'on', 'databases', 'cume_dist', 'no_write_to_binlog', 'trailing', 'default', 'current_timestamp', 'exit', 'sql_big_result', 'having', 'add', 'constraint', 'condition', 'ignore', 'read_write', 'table', 'when', 'keys', 'left', 'optimizer_costs', 'asensitive', 'declare', 'select', 'int1', 'mod', 'schema', 'or', 'varcharacter', 'dual', 'int2', 'usage', 'groups', 'while', 'database', 'delete', 'hour_second', 'sql_calc_found_rows', 'day_microsecond', 'middleint', 'with', 'deterministic', 'is', 'true', 'signal', 'kill', 'tinyblob', 'optimize', 'ntile', 'year_month', 'second_microsecond', 'double', 'stored', 'not', 'join', 'accessible', 'json_table', 'char', 'out', 'write', 'each', 'cursor', 'from', 'fulltext', 'int8', 'varying', 'into', 'zerofill', 'lock', 'over', 'analyze', 'day_second', 'index', 'as', 'where', 'escaped', 'iterate', 'partition', 'mediumblob', 'distinct', 'lines', 'last_value', 'foreign', 'real', 'grant', 'null', 'set', 'group', 'localtime', 'mediumtext', 'system', 'io_before_gtids', 'binary', 'unique', 'replace', 'between', 'bigint', 'tinyint', 'generated', 'and', 'lead', 'hour_microsecond', 'rlike', 'all', 'unlock', 'limit', 'int4', 'like', 'long', 'else', 'natural', 'smallint', 'check', 'desc', 'loop', 'reads', 'master_bind', 'get', 'range', 'read', 'interval', 'explain', 'both', 'sql_small_result', 'utc_time', 'revoke', 'current_date', 'xor', 'intersect', 'tinytext', 'integer', 'using', 'schemas', 'column', 'character', 'float', 'int3', 'div', 'first_value', 'master_ssl_verify_server_cert', 'io_after_gtids', 'resignal', 'false', 'lag', 'alter', 'modifies', 'percent_rank', 'dec', 'before', 'lateral', 'describe', 'dense_rank', 'utc_date', 'localtimestamp', 'inner', 'show', 'row_number', 'return', 'union', 'except', 'release', 'varbinary', 'terminated', 'ssl', 'regexp', 'numeric'}
def array_sql(self, expression: sqlglot.expressions.Array) -> str:
1158        def array_sql(self, expression: exp.Array) -> str:
1159            self.unsupported("Arrays are not supported by MySQL")
1160            return self.function_fallback_sql(expression)
def arraycontainsall_sql(self, expression: sqlglot.expressions.ArrayContainsAll) -> str:
1162        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1163            self.unsupported("Array operations are not supported by MySQL")
1164            return self.function_fallback_sql(expression)
def dpipe_sql(self, expression: sqlglot.expressions.DPipe) -> str:
1166        def dpipe_sql(self, expression: exp.DPipe) -> str:
1167            return self.func("CONCAT", *expression.flatten())
def extract_sql(self, expression: sqlglot.expressions.Extract) -> str:
1169        def extract_sql(self, expression: exp.Extract) -> str:
1170            unit = expression.name
1171            if unit and unit.lower() == "epoch":
1172                return self.func("UNIX_TIMESTAMP", expression.expression)
1173
1174            return super().extract_sql(expression)
def datatype_sql(self, expression: sqlglot.expressions.DataType) -> str:
1176        def datatype_sql(self, expression: exp.DataType) -> str:
1177            if (
1178                self.VARCHAR_REQUIRES_SIZE
1179                and expression.is_type(exp.DataType.Type.VARCHAR)
1180                and not expression.expressions
1181            ):
1182                # `VARCHAR` must always have a size - if it doesn't, we always generate `TEXT`
1183                return "TEXT"
1184
1185            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1186            result = super().datatype_sql(expression)
1187            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1188                result = f"{result} UNSIGNED"
1189
1190            return result
def jsonarraycontains_sql(self, expression: sqlglot.expressions.JSONArrayContains) -> str:
1192        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1193            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:
1195        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1196            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1197                return self.func("TIMESTAMP", expression.this)
1198
1199            to = self.CAST_MAPPING.get(expression.to.this)
1200
1201            if to:
1202                expression.to.set("this", to)
1203            return super().cast_sql(expression)
def show_sql(self, expression: sqlglot.expressions.Show) -> str:
1205        def show_sql(self, expression: exp.Show) -> str:
1206            this = f" {expression.name}"
1207            full = " FULL" if expression.args.get("full") else ""
1208            global_ = " GLOBAL" if expression.args.get("global") else ""
1209
1210            target = self.sql(expression, "target")
1211            target = f" {target}" if target else ""
1212            if expression.name in ("COLUMNS", "INDEX"):
1213                target = f" FROM{target}"
1214            elif expression.name == "GRANTS":
1215                target = f" FOR{target}"
1216
1217            db = self._prefixed_sql("FROM", expression, "db")
1218
1219            like = self._prefixed_sql("LIKE", expression, "like")
1220            where = self.sql(expression, "where")
1221
1222            types = self.expressions(expression, key="types")
1223            types = f" {types}" if types else types
1224            query = self._prefixed_sql("FOR QUERY", expression, "query")
1225
1226            if expression.name == "PROFILE":
1227                offset = self._prefixed_sql("OFFSET", expression, "offset")
1228                limit = self._prefixed_sql("LIMIT", expression, "limit")
1229            else:
1230                offset = ""
1231                limit = self._oldstyle_limit_sql(expression)
1232
1233            log = self._prefixed_sql("IN", expression, "log")
1234            position = self._prefixed_sql("FROM", expression, "position")
1235
1236            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1237
1238            if expression.name == "ENGINE":
1239                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1240            else:
1241                mutex_or_status = ""
1242
1243            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:
1245        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1246            dtype = self.sql(expression, "dtype")
1247            if not dtype:
1248                return super().altercolumn_sql(expression)
1249
1250            this = self.sql(expression, "this")
1251            return f"MODIFY COLUMN {this} {dtype}"
def chr_sql(self, expression: sqlglot.expressions.Chr) -> str:
1265        def chr_sql(self, expression: exp.Chr) -> str:
1266            this = self.expressions(sqls=[expression.this] + expression.expressions)
1267            charset = expression.args.get("charset")
1268            using = f" USING {self.sql(charset)}" if charset else ""
1269            return f"CHAR({this}{using})"
def timestamptrunc_sql(self, expression: sqlglot.expressions.TimestampTrunc) -> str:
1271        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1272            unit = expression.args.get("unit")
1273
1274            # Pick an old-enough date to avoid negative timestamp diffs
1275            start_ts = "'0000-01-01 00:00:00'"
1276
1277            # Source: https://stackoverflow.com/a/32955740
1278            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1279            interval = exp.Interval(this=timestamp_diff, unit=unit)
1280            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1281
1282            return self.sql(dateadd)
def converttimezone_sql(self, expression: sqlglot.expressions.ConvertTimezone) -> str:
1284        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1285            from_tz = expression.args.get("source_tz")
1286            to_tz = expression.args.get("target_tz")
1287            dt = expression.args.get("timestamp")
1288
1289            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
def attimezone_sql(self, expression: sqlglot.expressions.AtTimeZone) -> str:
1291        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1292            self.unsupported("AT TIME ZONE is not supported by MySQL")
1293            return self.sql(expression.this)
def isascii_sql(self, expression: sqlglot.expressions.IsAscii) -> str:
1295        def isascii_sql(self, expression: exp.IsAscii) -> str:
1296            return f"REGEXP_LIKE({self.sql(expression.this)}, '^[[:ascii:]]*$')"
@unsupported_args('this')
def currentschema_sql(self, expression: sqlglot.expressions.CurrentSchema) -> str:
1298        @unsupported_args("this")
1299        def currentschema_sql(self, expression: exp.CurrentSchema) -> str:
1300            return self.func("SCHEMA")
SELECT_KINDS: Tuple[str, ...] = ()
TRY_SUPPORTED = False
SUPPORTS_UESCAPE = False
AFTER_HAVING_MODIFIER_TRANSFORMS = {'windows': <function Generator.<lambda>>, 'qualify': <function Generator.<lambda>>}
Inherited Members
sqlglot.generator.Generator
Generator
IGNORE_NULLS_IN_FUNC
EXCEPT_INTERSECT_SUPPORT_ALL_CLAUSE
CREATE_FUNCTION_RETURN_AS
MATCHED_BY_SOURCE
SINGLE_STRING_INTERVAL
RENAME_TABLE_WITH_DB
GROUPINGS_SEP
INDEX_ON
QUERY_HINTS
IS_BOOL_ALLOWED
LIMIT_IS_TOP
RETURNING_END
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
SUPPORTS_WINDOW_EXCLUDE
SET_OP_MODIFIERS
COPY_PARAMS_ARE_WRAPPED
COPY_PARAMS_EQ_REQUIRED
COPY_HAS_INTO_KEYWORD
STAR_EXCEPT
HEX_FUNC
WITH_PROPERTIES_PREFIX
QUOTE_JSON_PATH
SUPPORTS_EXPLODING_PROJECTIONS
ARRAY_CONCAT_IS_VAR_LEN
SUPPORTS_CONVERT_TIMEZONE
SUPPORTS_UNIX_SECONDS
ALTER_SET_WRAPPED
ARRAY_SIZE_NAME
ALTER_SET_TYPE
ARRAY_SIZE_DIM_REQUIRED
TIME_PART_SINGULARS
TOKEN_MAPPING
STRUCT_DELIMITER
PARAMETER_TOKEN
NAMED_PLACEHOLDER_TOKEN
EXPRESSION_PRECEDES_PROPERTIES_CREATABLES
WITH_SEPARATED_COMMENTS
EXCLUDE_COMMENTS
UNWRAPPED_INTERVAL_VALUES
PARAMETERIZABLE_TEXT_TYPES
EXPRESSIONS_WITHOUT_NESTED_CTES
RESPECT_IGNORE_NULLS_UNSUPPORTED_EXPRESSIONS
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
sanitize_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
with_sql
cte_sql
tablealias_sql
bitstring_sql
hexstring_sql
bytestring_sql
unicodestring_sql
rawstring_sql
datatypeparam_sql
directory_sql
delete_sql
drop_sql
set_operation
set_operations
fetch_sql
limitoptions_sql
filter_sql
hint_sql
indexparameters_sql
index_sql
identifier_sql
hex_sql
lowerhex_sql
inputoutputformat_sql
national_sql
partition_sql
properties_sql
root_properties
properties
with_properties
locate_properties
property_name
property_sql
likeproperty_sql
fallbackproperty_sql
journalproperty_sql
freespaceproperty_sql
checksumproperty_sql
mergeblockratioproperty_sql
datablocksizeproperty_sql
blockcompressionproperty_sql
isolatedloadingproperty_sql
partitionboundspec_sql
partitionedofproperty_sql
lockingproperty_sql
withdataproperty_sql
withsystemversioningproperty_sql
insert_sql
introducer_sql
kill_sql
pseudotype_sql
objectidentifier_sql
onconflict_sql
returning_sql
rowformatdelimitedproperty_sql
withtablehint_sql
indextablehint_sql
historicaldata_sql
table_parts
table_sql
tablefromrows_sql
tablesample_sql
pivot_sql
version_sql
tuple_sql
update_sql
values_sql
var_sql
into_sql
from_sql
groupingsets_sql
rollup_sql
cube_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
options_modifier
for_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
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
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
collate_sql
command_sql
comment_sql
mergetreettlaction_sql
mergetreettl_sql
transaction_sql
commit_sql
rollback_sql
alterindex_sql
alterdiststyle_sql
altersortkey_sql
alterrename_sql
renamecolumn_sql
alterset_sql
alter_sql
add_column_sql
droppartition_sql
addconstraint_sql
distinct_sql
ignorenulls_sql
respectnulls_sql
havingmax_sql
intdiv_sql
div_sql
safedivide_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
jsoncast_sql
try_sql
log_sql
use_sql
binary
ceil_floor
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
whens_sql
merge_sql
tochar_sql
tonumber_sql
dictproperty_sql
dictrange_sql
dictsubproperty_sql
duplicatekeyproperty_sql
uniquekeyproperty_sql
distributedbyproperty_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
toarray_sql
tsordstotime_sql
tsordstotimestamp_sql
tsordstodatetime_sql
tsordstodate_sql
unixdate_sql
lastday_sql
dateadd_sql
arrayany_sql
struct_sql
partitionrange_sql
truncatetable_sql
convert_sql
copyparameter_sql
credentials_sql
copy_sql
semicolon_sql
datadeletionproperty_sql
maskingpolicycolumnconstraint_sql
gapfill_sql
scope_resolution
scoperesolution_sql
parsejson_sql
rand_sql
changes_sql
pad_sql
summarize_sql
explodinggenerateseries_sql
arrayconcat_sql
json_sql
jsonvalue_sql
conditionalinsert_sql
multitableinserts_sql
oncondition_sql
jsonextractquote_sql
jsonexists_sql
arrayagg_sql
apply_sql
grant_sql
grantprivilege_sql
grantprincipal_sql
columns_sql
overlay_sql
todouble_sql
string_sql
median_sql
overflowtruncatebehavior_sql
unixseconds_sql
arraysize_sql
attach_sql
detach_sql
attachoption_sql
featuresattime_sql
watermarkcolumnconstraint_sql
encodeproperty_sql
includeproperty_sql
xmlelement_sql
xmlkeyvalueoption_sql
partitionbyrangeproperty_sql
partitionbyrangepropertydynamic_sql
unpivotcolumns_sql
analyzesample_sql
analyzestatistics_sql
analyzehistogram_sql
analyzedelete_sql
analyzelistchainedrows_sql
analyzevalidate_sql
analyze_sql
xmltable_sql
xmlnamespace_sql
export_sql
declare_sql
declareitem_sql
recursivewithsearch_sql
parameterizedagg_sql
anonymousaggfunc_sql
combinedaggfunc_sql
combinedparameterizedagg_sql
get_put_sql
translatecharacters_sql