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sqlglot.dialects.mysql

   1from __future__ import annotations
   2
   3import typing as t
   4
   5from sqlglot import exp, generator, parser, tokens, transforms
   6from sqlglot.dialects.dialect import (
   7    Dialect,
   8    NormalizationStrategy,
   9    arrow_json_extract_sql,
  10    date_add_interval_sql,
  11    datestrtodate_sql,
  12    build_formatted_time,
  13    isnull_to_is_null,
  14    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            "DISTINCTROW": TokenType.DISTINCT,
 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_generated_as_identity(
 494            self,
 495        ) -> (
 496            exp.GeneratedAsIdentityColumnConstraint
 497            | exp.ComputedColumnConstraint
 498            | exp.GeneratedAsRowColumnConstraint
 499        ):
 500            this = super()._parse_generated_as_identity()
 501
 502            if self._match_texts(("STORED", "VIRTUAL")):
 503                persisted = self._prev.text.upper() == "STORED"
 504
 505                if isinstance(this, exp.ComputedColumnConstraint):
 506                    this.set("persisted", persisted)
 507                elif isinstance(this, exp.GeneratedAsIdentityColumnConstraint):
 508                    this = self.expression(
 509                        exp.ComputedColumnConstraint, this=this.expression, persisted=persisted
 510                    )
 511
 512            return this
 513
 514        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
 515            this = self._parse_id_var()
 516            if not self._match(TokenType.L_PAREN):
 517                return this
 518
 519            expression = self._parse_number()
 520            self._match_r_paren()
 521            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
 522
 523        def _parse_index_constraint(
 524            self, kind: t.Optional[str] = None
 525        ) -> exp.IndexColumnConstraint:
 526            if kind:
 527                self._match_texts(("INDEX", "KEY"))
 528
 529            this = self._parse_id_var(any_token=False)
 530            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
 531            expressions = self._parse_wrapped_csv(self._parse_ordered)
 532
 533            options = []
 534            while True:
 535                if self._match_text_seq("KEY_BLOCK_SIZE"):
 536                    self._match(TokenType.EQ)
 537                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
 538                elif self._match(TokenType.USING):
 539                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
 540                elif self._match_text_seq("WITH", "PARSER"):
 541                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
 542                elif self._match(TokenType.COMMENT):
 543                    opt = exp.IndexConstraintOption(comment=self._parse_string())
 544                elif self._match_text_seq("VISIBLE"):
 545                    opt = exp.IndexConstraintOption(visible=True)
 546                elif self._match_text_seq("INVISIBLE"):
 547                    opt = exp.IndexConstraintOption(visible=False)
 548                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
 549                    self._match(TokenType.EQ)
 550                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
 551                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
 552                    self._match(TokenType.EQ)
 553                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
 554                else:
 555                    opt = None
 556
 557                if not opt:
 558                    break
 559
 560                options.append(opt)
 561
 562            return self.expression(
 563                exp.IndexColumnConstraint,
 564                this=this,
 565                expressions=expressions,
 566                kind=kind,
 567                index_type=index_type,
 568                options=options,
 569            )
 570
 571        def _parse_show_mysql(
 572            self,
 573            this: str,
 574            target: bool | str = False,
 575            full: t.Optional[bool] = None,
 576            global_: t.Optional[bool] = None,
 577        ) -> exp.Show:
 578            if target:
 579                if isinstance(target, str):
 580                    self._match_text_seq(target)
 581                target_id = self._parse_id_var()
 582            else:
 583                target_id = None
 584
 585            log = self._parse_string() if self._match_text_seq("IN") else None
 586
 587            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
 588                position = self._parse_number() if self._match_text_seq("FROM") else None
 589                db = None
 590            else:
 591                position = None
 592                db = None
 593
 594                if self._match(TokenType.FROM):
 595                    db = self._parse_id_var()
 596                elif self._match(TokenType.DOT):
 597                    db = target_id
 598                    target_id = self._parse_id_var()
 599
 600            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
 601
 602            like = self._parse_string() if self._match_text_seq("LIKE") else None
 603            where = self._parse_where()
 604
 605            if this == "PROFILE":
 606                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
 607                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
 608                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
 609                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
 610            else:
 611                types, query = None, None
 612                offset, limit = self._parse_oldstyle_limit()
 613
 614            mutex = True if self._match_text_seq("MUTEX") else None
 615            mutex = False if self._match_text_seq("STATUS") else mutex
 616
 617            return self.expression(
 618                exp.Show,
 619                this=this,
 620                target=target_id,
 621                full=full,
 622                log=log,
 623                position=position,
 624                db=db,
 625                channel=channel,
 626                like=like,
 627                where=where,
 628                types=types,
 629                query=query,
 630                offset=offset,
 631                limit=limit,
 632                mutex=mutex,
 633                **{"global": global_},  # type: ignore
 634            )
 635
 636        def _parse_oldstyle_limit(
 637            self,
 638        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
 639            limit = None
 640            offset = None
 641            if self._match_text_seq("LIMIT"):
 642                parts = self._parse_csv(self._parse_number)
 643                if len(parts) == 1:
 644                    limit = parts[0]
 645                elif len(parts) == 2:
 646                    limit = parts[1]
 647                    offset = parts[0]
 648
 649            return offset, limit
 650
 651        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
 652            this = self._parse_string() or self._parse_unquoted_field()
 653            return self.expression(exp.SetItem, this=this, kind=kind)
 654
 655        def _parse_set_item_names(self) -> exp.Expression:
 656            charset = self._parse_string() or self._parse_unquoted_field()
 657            if self._match_text_seq("COLLATE"):
 658                collate = self._parse_string() or self._parse_unquoted_field()
 659            else:
 660                collate = None
 661
 662            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
 663
 664        def _parse_type(
 665            self, parse_interval: bool = True, fallback_to_identifier: bool = False
 666        ) -> t.Optional[exp.Expression]:
 667            # mysql binary is special and can work anywhere, even in order by operations
 668            # it operates like a no paren func
 669            if self._match(TokenType.BINARY, advance=False):
 670                data_type = self._parse_types(check_func=True, allow_identifiers=False)
 671
 672                if isinstance(data_type, exp.DataType):
 673                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
 674
 675            return super()._parse_type(
 676                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
 677            )
 678
 679        def _parse_alter_table_alter_index(self) -> exp.AlterIndex:
 680            index = self._parse_field(any_token=True)
 681
 682            if self._match_text_seq("VISIBLE"):
 683                visible = True
 684            elif self._match_text_seq("INVISIBLE"):
 685                visible = False
 686            else:
 687                visible = None
 688
 689            return self.expression(exp.AlterIndex, this=index, visible=visible)
 690
 691    class Generator(generator.Generator):
 692        INTERVAL_ALLOWS_PLURAL_FORM = False
 693        LOCKING_READS_SUPPORTED = True
 694        NULL_ORDERING_SUPPORTED = None
 695        JOIN_HINTS = False
 696        TABLE_HINTS = True
 697        DUPLICATE_KEY_UPDATE_WITH_SET = False
 698        QUERY_HINT_SEP = " "
 699        VALUES_AS_TABLE = False
 700        NVL2_SUPPORTED = False
 701        LAST_DAY_SUPPORTS_DATE_PART = False
 702        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
 703        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
 704        JSON_KEY_VALUE_PAIR_SEP = ","
 705        SUPPORTS_TO_NUMBER = False
 706        PARSE_JSON_NAME: t.Optional[str] = None
 707        PAD_FILL_PATTERN_IS_REQUIRED = True
 708        WRAP_DERIVED_VALUES = False
 709        VARCHAR_REQUIRES_SIZE = True
 710        SUPPORTS_MEDIAN = False
 711
 712        TRANSFORMS = {
 713            **generator.Generator.TRANSFORMS,
 714            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
 715            exp.CurrentDate: no_paren_current_date_sql,
 716            exp.DateDiff: _remove_ts_or_ds_to_date(
 717                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
 718            ),
 719            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
 720            exp.DateStrToDate: datestrtodate_sql,
 721            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
 722            exp.DateTrunc: _date_trunc_sql,
 723            exp.Day: _remove_ts_or_ds_to_date(),
 724            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
 725            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
 726            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
 727            exp.GroupConcat: lambda self,
 728            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
 729            exp.ILike: no_ilike_sql,
 730            exp.JSONExtractScalar: arrow_json_extract_sql,
 731            exp.Length: length_or_char_length_sql,
 732            exp.LogicalOr: rename_func("MAX"),
 733            exp.LogicalAnd: rename_func("MIN"),
 734            exp.Max: max_or_greatest,
 735            exp.Min: min_or_least,
 736            exp.Month: _remove_ts_or_ds_to_date(),
 737            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
 738            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
 739            exp.NumberToStr: rename_func("FORMAT"),
 740            exp.Pivot: no_pivot_sql,
 741            exp.Select: transforms.preprocess(
 742                [
 743                    transforms.eliminate_distinct_on,
 744                    transforms.eliminate_semi_and_anti_joins,
 745                    transforms.eliminate_qualify,
 746                    transforms.eliminate_full_outer_join,
 747                    transforms.unnest_generate_date_array_using_recursive_cte,
 748                ]
 749            ),
 750            exp.StrPosition: lambda self, e: strposition_sql(
 751                self, e, func_name="LOCATE", supports_position=True
 752            ),
 753            exp.StrToDate: _str_to_date_sql,
 754            exp.StrToTime: _str_to_date_sql,
 755            exp.Stuff: rename_func("INSERT"),
 756            exp.TableSample: no_tablesample_sql,
 757            exp.TimeFromParts: rename_func("MAKETIME"),
 758            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
 759            exp.TimestampDiff: lambda self, e: self.func(
 760                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
 761            ),
 762            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
 763            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
 764            exp.TimeStrToTime: lambda self, e: timestrtotime_sql(
 765                self,
 766                e,
 767                include_precision=not e.args.get("zone"),
 768            ),
 769            exp.TimeToStr: _remove_ts_or_ds_to_date(
 770                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
 771            ),
 772            exp.Trim: trim_sql,
 773            exp.TryCast: no_trycast_sql,
 774            exp.TsOrDsAdd: date_add_sql("ADD"),
 775            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
 776            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
 777            exp.Unicode: lambda self, e: f"ORD(CONVERT({self.sql(e.this)} USING utf32))",
 778            exp.UnixToTime: _unix_to_time_sql,
 779            exp.Week: _remove_ts_or_ds_to_date(),
 780            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
 781            exp.Year: _remove_ts_or_ds_to_date(),
 782        }
 783
 784        UNSIGNED_TYPE_MAPPING = {
 785            exp.DataType.Type.UBIGINT: "BIGINT",
 786            exp.DataType.Type.UINT: "INT",
 787            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
 788            exp.DataType.Type.USMALLINT: "SMALLINT",
 789            exp.DataType.Type.UTINYINT: "TINYINT",
 790            exp.DataType.Type.UDECIMAL: "DECIMAL",
 791            exp.DataType.Type.UDOUBLE: "DOUBLE",
 792        }
 793
 794        TIMESTAMP_TYPE_MAPPING = {
 795            exp.DataType.Type.DATETIME2: "DATETIME",
 796            exp.DataType.Type.SMALLDATETIME: "DATETIME",
 797            exp.DataType.Type.TIMESTAMP: "DATETIME",
 798            exp.DataType.Type.TIMESTAMPNTZ: "DATETIME",
 799            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
 800            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
 801        }
 802
 803        TYPE_MAPPING = {
 804            **generator.Generator.TYPE_MAPPING,
 805            **UNSIGNED_TYPE_MAPPING,
 806            **TIMESTAMP_TYPE_MAPPING,
 807        }
 808
 809        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
 810        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
 811        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
 812        TYPE_MAPPING.pop(exp.DataType.Type.BLOB)
 813        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
 814        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
 815        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
 816
 817        PROPERTIES_LOCATION = {
 818            **generator.Generator.PROPERTIES_LOCATION,
 819            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
 820            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
 821        }
 822
 823        LIMIT_FETCH = "LIMIT"
 824
 825        LIMIT_ONLY_LITERALS = True
 826
 827        CHAR_CAST_MAPPING = dict.fromkeys(
 828            (
 829                exp.DataType.Type.LONGTEXT,
 830                exp.DataType.Type.LONGBLOB,
 831                exp.DataType.Type.MEDIUMBLOB,
 832                exp.DataType.Type.MEDIUMTEXT,
 833                exp.DataType.Type.TEXT,
 834                exp.DataType.Type.TINYBLOB,
 835                exp.DataType.Type.TINYTEXT,
 836                exp.DataType.Type.VARCHAR,
 837            ),
 838            "CHAR",
 839        )
 840        SIGNED_CAST_MAPPING = dict.fromkeys(
 841            (
 842                exp.DataType.Type.BIGINT,
 843                exp.DataType.Type.BOOLEAN,
 844                exp.DataType.Type.INT,
 845                exp.DataType.Type.SMALLINT,
 846                exp.DataType.Type.TINYINT,
 847                exp.DataType.Type.MEDIUMINT,
 848            ),
 849            "SIGNED",
 850        )
 851
 852        # MySQL doesn't support many datatypes in cast.
 853        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
 854        CAST_MAPPING = {
 855            **CHAR_CAST_MAPPING,
 856            **SIGNED_CAST_MAPPING,
 857            exp.DataType.Type.UBIGINT: "UNSIGNED",
 858        }
 859
 860        TIMESTAMP_FUNC_TYPES = {
 861            exp.DataType.Type.TIMESTAMPTZ,
 862            exp.DataType.Type.TIMESTAMPLTZ,
 863        }
 864
 865        # https://dev.mysql.com/doc/refman/8.0/en/keywords.html
 866        RESERVED_KEYWORDS = {
 867            "accessible",
 868            "add",
 869            "all",
 870            "alter",
 871            "analyze",
 872            "and",
 873            "as",
 874            "asc",
 875            "asensitive",
 876            "before",
 877            "between",
 878            "bigint",
 879            "binary",
 880            "blob",
 881            "both",
 882            "by",
 883            "call",
 884            "cascade",
 885            "case",
 886            "change",
 887            "char",
 888            "character",
 889            "check",
 890            "collate",
 891            "column",
 892            "condition",
 893            "constraint",
 894            "continue",
 895            "convert",
 896            "create",
 897            "cross",
 898            "cube",
 899            "cume_dist",
 900            "current_date",
 901            "current_time",
 902            "current_timestamp",
 903            "current_user",
 904            "cursor",
 905            "database",
 906            "databases",
 907            "day_hour",
 908            "day_microsecond",
 909            "day_minute",
 910            "day_second",
 911            "dec",
 912            "decimal",
 913            "declare",
 914            "default",
 915            "delayed",
 916            "delete",
 917            "dense_rank",
 918            "desc",
 919            "describe",
 920            "deterministic",
 921            "distinct",
 922            "distinctrow",
 923            "div",
 924            "double",
 925            "drop",
 926            "dual",
 927            "each",
 928            "else",
 929            "elseif",
 930            "empty",
 931            "enclosed",
 932            "escaped",
 933            "except",
 934            "exists",
 935            "exit",
 936            "explain",
 937            "false",
 938            "fetch",
 939            "first_value",
 940            "float",
 941            "float4",
 942            "float8",
 943            "for",
 944            "force",
 945            "foreign",
 946            "from",
 947            "fulltext",
 948            "function",
 949            "generated",
 950            "get",
 951            "grant",
 952            "group",
 953            "grouping",
 954            "groups",
 955            "having",
 956            "high_priority",
 957            "hour_microsecond",
 958            "hour_minute",
 959            "hour_second",
 960            "if",
 961            "ignore",
 962            "in",
 963            "index",
 964            "infile",
 965            "inner",
 966            "inout",
 967            "insensitive",
 968            "insert",
 969            "int",
 970            "int1",
 971            "int2",
 972            "int3",
 973            "int4",
 974            "int8",
 975            "integer",
 976            "intersect",
 977            "interval",
 978            "into",
 979            "io_after_gtids",
 980            "io_before_gtids",
 981            "is",
 982            "iterate",
 983            "join",
 984            "json_table",
 985            "key",
 986            "keys",
 987            "kill",
 988            "lag",
 989            "last_value",
 990            "lateral",
 991            "lead",
 992            "leading",
 993            "leave",
 994            "left",
 995            "like",
 996            "limit",
 997            "linear",
 998            "lines",
 999            "load",
1000            "localtime",
1001            "localtimestamp",
1002            "lock",
1003            "long",
1004            "longblob",
1005            "longtext",
1006            "loop",
1007            "low_priority",
1008            "master_bind",
1009            "master_ssl_verify_server_cert",
1010            "match",
1011            "maxvalue",
1012            "mediumblob",
1013            "mediumint",
1014            "mediumtext",
1015            "middleint",
1016            "minute_microsecond",
1017            "minute_second",
1018            "mod",
1019            "modifies",
1020            "natural",
1021            "not",
1022            "no_write_to_binlog",
1023            "nth_value",
1024            "ntile",
1025            "null",
1026            "numeric",
1027            "of",
1028            "on",
1029            "optimize",
1030            "optimizer_costs",
1031            "option",
1032            "optionally",
1033            "or",
1034            "order",
1035            "out",
1036            "outer",
1037            "outfile",
1038            "over",
1039            "partition",
1040            "percent_rank",
1041            "precision",
1042            "primary",
1043            "procedure",
1044            "purge",
1045            "range",
1046            "rank",
1047            "read",
1048            "reads",
1049            "read_write",
1050            "real",
1051            "recursive",
1052            "references",
1053            "regexp",
1054            "release",
1055            "rename",
1056            "repeat",
1057            "replace",
1058            "require",
1059            "resignal",
1060            "restrict",
1061            "return",
1062            "revoke",
1063            "right",
1064            "rlike",
1065            "row",
1066            "rows",
1067            "row_number",
1068            "schema",
1069            "schemas",
1070            "second_microsecond",
1071            "select",
1072            "sensitive",
1073            "separator",
1074            "set",
1075            "show",
1076            "signal",
1077            "smallint",
1078            "spatial",
1079            "specific",
1080            "sql",
1081            "sqlexception",
1082            "sqlstate",
1083            "sqlwarning",
1084            "sql_big_result",
1085            "sql_calc_found_rows",
1086            "sql_small_result",
1087            "ssl",
1088            "starting",
1089            "stored",
1090            "straight_join",
1091            "system",
1092            "table",
1093            "terminated",
1094            "then",
1095            "tinyblob",
1096            "tinyint",
1097            "tinytext",
1098            "to",
1099            "trailing",
1100            "trigger",
1101            "true",
1102            "undo",
1103            "union",
1104            "unique",
1105            "unlock",
1106            "unsigned",
1107            "update",
1108            "usage",
1109            "use",
1110            "using",
1111            "utc_date",
1112            "utc_time",
1113            "utc_timestamp",
1114            "values",
1115            "varbinary",
1116            "varchar",
1117            "varcharacter",
1118            "varying",
1119            "virtual",
1120            "when",
1121            "where",
1122            "while",
1123            "window",
1124            "with",
1125            "write",
1126            "xor",
1127            "year_month",
1128            "zerofill",
1129        }
1130
1131        def computedcolumnconstraint_sql(self, expression: exp.ComputedColumnConstraint) -> str:
1132            persisted = "STORED" if expression.args.get("persisted") else "VIRTUAL"
1133            return f"GENERATED ALWAYS AS ({self.sql(expression.this.unnest())}) {persisted}"
1134
1135        def array_sql(self, expression: exp.Array) -> str:
1136            self.unsupported("Arrays are not supported by MySQL")
1137            return self.function_fallback_sql(expression)
1138
1139        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1140            self.unsupported("Array operations are not supported by MySQL")
1141            return self.function_fallback_sql(expression)
1142
1143        def dpipe_sql(self, expression: exp.DPipe) -> str:
1144            return self.func("CONCAT", *expression.flatten())
1145
1146        def extract_sql(self, expression: exp.Extract) -> str:
1147            unit = expression.name
1148            if unit and unit.lower() == "epoch":
1149                return self.func("UNIX_TIMESTAMP", expression.expression)
1150
1151            return super().extract_sql(expression)
1152
1153        def datatype_sql(self, expression: exp.DataType) -> str:
1154            if (
1155                self.VARCHAR_REQUIRES_SIZE
1156                and expression.is_type(exp.DataType.Type.VARCHAR)
1157                and not expression.expressions
1158            ):
1159                # `VARCHAR` must always have a size - if it doesn't, we always generate `TEXT`
1160                return "TEXT"
1161
1162            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1163            result = super().datatype_sql(expression)
1164            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1165                result = f"{result} UNSIGNED"
1166
1167            return result
1168
1169        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1170            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
1171
1172        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1173            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1174                return self.func("TIMESTAMP", expression.this)
1175
1176            to = self.CAST_MAPPING.get(expression.to.this)
1177
1178            if to:
1179                expression.to.set("this", to)
1180            return super().cast_sql(expression)
1181
1182        def show_sql(self, expression: exp.Show) -> str:
1183            this = f" {expression.name}"
1184            full = " FULL" if expression.args.get("full") else ""
1185            global_ = " GLOBAL" if expression.args.get("global") else ""
1186
1187            target = self.sql(expression, "target")
1188            target = f" {target}" if target else ""
1189            if expression.name in ("COLUMNS", "INDEX"):
1190                target = f" FROM{target}"
1191            elif expression.name == "GRANTS":
1192                target = f" FOR{target}"
1193
1194            db = self._prefixed_sql("FROM", expression, "db")
1195
1196            like = self._prefixed_sql("LIKE", expression, "like")
1197            where = self.sql(expression, "where")
1198
1199            types = self.expressions(expression, key="types")
1200            types = f" {types}" if types else types
1201            query = self._prefixed_sql("FOR QUERY", expression, "query")
1202
1203            if expression.name == "PROFILE":
1204                offset = self._prefixed_sql("OFFSET", expression, "offset")
1205                limit = self._prefixed_sql("LIMIT", expression, "limit")
1206            else:
1207                offset = ""
1208                limit = self._oldstyle_limit_sql(expression)
1209
1210            log = self._prefixed_sql("IN", expression, "log")
1211            position = self._prefixed_sql("FROM", expression, "position")
1212
1213            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1214
1215            if expression.name == "ENGINE":
1216                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1217            else:
1218                mutex_or_status = ""
1219
1220            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
1221
1222        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1223            dtype = self.sql(expression, "dtype")
1224            if not dtype:
1225                return super().altercolumn_sql(expression)
1226
1227            this = self.sql(expression, "this")
1228            return f"MODIFY COLUMN {this} {dtype}"
1229
1230        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
1231            sql = self.sql(expression, arg)
1232            return f" {prefix} {sql}" if sql else ""
1233
1234        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
1235            limit = self.sql(expression, "limit")
1236            offset = self.sql(expression, "offset")
1237            if limit:
1238                limit_offset = f"{offset}, {limit}" if offset else limit
1239                return f" LIMIT {limit_offset}"
1240            return ""
1241
1242        def chr_sql(self, expression: exp.Chr) -> str:
1243            this = self.expressions(sqls=[expression.this] + expression.expressions)
1244            charset = expression.args.get("charset")
1245            using = f" USING {self.sql(charset)}" if charset else ""
1246            return f"CHAR({this}{using})"
1247
1248        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1249            unit = expression.args.get("unit")
1250
1251            # Pick an old-enough date to avoid negative timestamp diffs
1252            start_ts = "'0000-01-01 00:00:00'"
1253
1254            # Source: https://stackoverflow.com/a/32955740
1255            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1256            interval = exp.Interval(this=timestamp_diff, unit=unit)
1257            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1258
1259            return self.sql(dateadd)
1260
1261        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1262            from_tz = expression.args.get("source_tz")
1263            to_tz = expression.args.get("target_tz")
1264            dt = expression.args.get("timestamp")
1265
1266            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
1267
1268        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1269            self.unsupported("AT TIME ZONE is not supported by MySQL")
1270            return self.sql(expression.this)
1271
1272        def isascii_sql(self, expression: exp.IsAscii) -> str:
1273            return f"REGEXP_LIKE({self.sql(expression.this)}, '^[[:ascii:]]*$')"
1274
1275        @unsupported_args("this")
1276        def currentschema_sql(self, expression: exp.CurrentSchema) -> str:
1277            return self.func("SCHEMA")
TIME_SPECIFIERS = {'k', 'h', 'p', 'f', 'r', 'S', 's', 'H', 'l', 'i', 'I', 'T'}
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            "DISTINCTROW": TokenType.DISTINCT,
 200            "EXPLAIN": TokenType.DESCRIBE,
 201            "FORCE": TokenType.FORCE,
 202            "IGNORE": TokenType.IGNORE,
 203            "KEY": TokenType.KEY,
 204            "LOCK TABLES": TokenType.COMMAND,
 205            "LONGBLOB": TokenType.LONGBLOB,
 206            "LONGTEXT": TokenType.LONGTEXT,
 207            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
 208            "TINYBLOB": TokenType.TINYBLOB,
 209            "TINYTEXT": TokenType.TINYTEXT,
 210            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
 211            "MEDIUMINT": TokenType.MEDIUMINT,
 212            "MEMBER OF": TokenType.MEMBER_OF,
 213            "SEPARATOR": TokenType.SEPARATOR,
 214            "SERIAL": TokenType.SERIAL,
 215            "START": TokenType.BEGIN,
 216            "SIGNED": TokenType.BIGINT,
 217            "SIGNED INTEGER": TokenType.BIGINT,
 218            "TIMESTAMP": TokenType.TIMESTAMPTZ,
 219            "UNLOCK TABLES": TokenType.COMMAND,
 220            "UNSIGNED": TokenType.UBIGINT,
 221            "UNSIGNED INTEGER": TokenType.UBIGINT,
 222            "YEAR": TokenType.YEAR,
 223            "_ARMSCII8": TokenType.INTRODUCER,
 224            "_ASCII": TokenType.INTRODUCER,
 225            "_BIG5": TokenType.INTRODUCER,
 226            "_BINARY": TokenType.INTRODUCER,
 227            "_CP1250": TokenType.INTRODUCER,
 228            "_CP1251": TokenType.INTRODUCER,
 229            "_CP1256": TokenType.INTRODUCER,
 230            "_CP1257": TokenType.INTRODUCER,
 231            "_CP850": TokenType.INTRODUCER,
 232            "_CP852": TokenType.INTRODUCER,
 233            "_CP866": TokenType.INTRODUCER,
 234            "_CP932": TokenType.INTRODUCER,
 235            "_DEC8": TokenType.INTRODUCER,
 236            "_EUCJPMS": TokenType.INTRODUCER,
 237            "_EUCKR": TokenType.INTRODUCER,
 238            "_GB18030": TokenType.INTRODUCER,
 239            "_GB2312": TokenType.INTRODUCER,
 240            "_GBK": TokenType.INTRODUCER,
 241            "_GEOSTD8": TokenType.INTRODUCER,
 242            "_GREEK": TokenType.INTRODUCER,
 243            "_HEBREW": TokenType.INTRODUCER,
 244            "_HP8": TokenType.INTRODUCER,
 245            "_KEYBCS2": TokenType.INTRODUCER,
 246            "_KOI8R": TokenType.INTRODUCER,
 247            "_KOI8U": TokenType.INTRODUCER,
 248            "_LATIN1": TokenType.INTRODUCER,
 249            "_LATIN2": TokenType.INTRODUCER,
 250            "_LATIN5": TokenType.INTRODUCER,
 251            "_LATIN7": TokenType.INTRODUCER,
 252            "_MACCE": TokenType.INTRODUCER,
 253            "_MACROMAN": TokenType.INTRODUCER,
 254            "_SJIS": TokenType.INTRODUCER,
 255            "_SWE7": TokenType.INTRODUCER,
 256            "_TIS620": TokenType.INTRODUCER,
 257            "_UCS2": TokenType.INTRODUCER,
 258            "_UJIS": TokenType.INTRODUCER,
 259            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
 260            "_UTF8": TokenType.INTRODUCER,
 261            "_UTF16": TokenType.INTRODUCER,
 262            "_UTF16LE": TokenType.INTRODUCER,
 263            "_UTF32": TokenType.INTRODUCER,
 264            "_UTF8MB3": TokenType.INTRODUCER,
 265            "_UTF8MB4": TokenType.INTRODUCER,
 266            "@@": TokenType.SESSION_PARAMETER,
 267        }
 268
 269        COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW}
 270
 271    class Parser(parser.Parser):
 272        FUNC_TOKENS = {
 273            *parser.Parser.FUNC_TOKENS,
 274            TokenType.DATABASE,
 275            TokenType.SCHEMA,
 276            TokenType.VALUES,
 277        }
 278
 279        CONJUNCTION = {
 280            **parser.Parser.CONJUNCTION,
 281            TokenType.DAMP: exp.And,
 282            TokenType.XOR: exp.Xor,
 283        }
 284
 285        DISJUNCTION = {
 286            **parser.Parser.DISJUNCTION,
 287            TokenType.DPIPE: exp.Or,
 288        }
 289
 290        TABLE_ALIAS_TOKENS = (
 291            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
 292        )
 293
 294        RANGE_PARSERS = {
 295            **parser.Parser.RANGE_PARSERS,
 296            TokenType.MEMBER_OF: lambda self, this: self.expression(
 297                exp.JSONArrayContains,
 298                this=this,
 299                expression=self._parse_wrapped(self._parse_expression),
 300            ),
 301        }
 302
 303        FUNCTIONS = {
 304            **parser.Parser.FUNCTIONS,
 305            "CONVERT_TZ": lambda args: exp.ConvertTimezone(
 306                source_tz=seq_get(args, 1), target_tz=seq_get(args, 2), timestamp=seq_get(args, 0)
 307            ),
 308            "CURDATE": exp.CurrentDate.from_arg_list,
 309            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
 310            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
 311            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
 312            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
 313            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 314            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 315            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 316            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 317            "FORMAT": exp.NumberToStr.from_arg_list,
 318            "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"),
 319            "ISNULL": isnull_to_is_null,
 320            "LENGTH": lambda args: exp.Length(this=seq_get(args, 0), binary=True),
 321            "MAKETIME": exp.TimeFromParts.from_arg_list,
 322            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 323            "MONTHNAME": lambda args: exp.TimeToStr(
 324                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
 325                format=exp.Literal.string("%B"),
 326            ),
 327            "SCHEMA": exp.CurrentSchema.from_arg_list,
 328            "DATABASE": exp.CurrentSchema.from_arg_list,
 329            "STR_TO_DATE": _str_to_date,
 330            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
 331            "TO_DAYS": lambda args: exp.paren(
 332                exp.DateDiff(
 333                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
 334                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
 335                    unit=exp.var("DAY"),
 336                )
 337                + 1
 338            ),
 339            "WEEK": lambda args: exp.Week(
 340                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
 341            ),
 342            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 343            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 344        }
 345
 346        FUNCTION_PARSERS = {
 347            **parser.Parser.FUNCTION_PARSERS,
 348            "CHAR": lambda self: self.expression(
 349                exp.Chr,
 350                expressions=self._parse_csv(self._parse_assignment),
 351                charset=self._match(TokenType.USING) and self._parse_var(),
 352            ),
 353            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
 354            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
 355            "VALUES": lambda self: self.expression(
 356                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
 357            ),
 358            "JSON_VALUE": lambda self: self._parse_json_value(),
 359        }
 360
 361        STATEMENT_PARSERS = {
 362            **parser.Parser.STATEMENT_PARSERS,
 363            TokenType.SHOW: lambda self: self._parse_show(),
 364        }
 365
 366        SHOW_PARSERS = {
 367            "BINARY LOGS": _show_parser("BINARY LOGS"),
 368            "MASTER LOGS": _show_parser("BINARY LOGS"),
 369            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
 370            "CHARACTER SET": _show_parser("CHARACTER SET"),
 371            "CHARSET": _show_parser("CHARACTER SET"),
 372            "COLLATION": _show_parser("COLLATION"),
 373            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
 374            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
 375            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
 376            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
 377            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
 378            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
 379            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
 380            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
 381            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
 382            "DATABASES": _show_parser("DATABASES"),
 383            "SCHEMAS": _show_parser("DATABASES"),
 384            "ENGINE": _show_parser("ENGINE", target=True),
 385            "STORAGE ENGINES": _show_parser("ENGINES"),
 386            "ENGINES": _show_parser("ENGINES"),
 387            "ERRORS": _show_parser("ERRORS"),
 388            "EVENTS": _show_parser("EVENTS"),
 389            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
 390            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
 391            "GRANTS": _show_parser("GRANTS", target="FOR"),
 392            "INDEX": _show_parser("INDEX", target="FROM"),
 393            "MASTER STATUS": _show_parser("MASTER STATUS"),
 394            "OPEN TABLES": _show_parser("OPEN TABLES"),
 395            "PLUGINS": _show_parser("PLUGINS"),
 396            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
 397            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
 398            "PRIVILEGES": _show_parser("PRIVILEGES"),
 399            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
 400            "PROCESSLIST": _show_parser("PROCESSLIST"),
 401            "PROFILE": _show_parser("PROFILE"),
 402            "PROFILES": _show_parser("PROFILES"),
 403            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
 404            "REPLICAS": _show_parser("REPLICAS"),
 405            "SLAVE HOSTS": _show_parser("REPLICAS"),
 406            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
 407            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
 408            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
 409            "SESSION STATUS": _show_parser("STATUS"),
 410            "STATUS": _show_parser("STATUS"),
 411            "TABLE STATUS": _show_parser("TABLE STATUS"),
 412            "FULL TABLES": _show_parser("TABLES", full=True),
 413            "TABLES": _show_parser("TABLES"),
 414            "TRIGGERS": _show_parser("TRIGGERS"),
 415            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
 416            "SESSION VARIABLES": _show_parser("VARIABLES"),
 417            "VARIABLES": _show_parser("VARIABLES"),
 418            "WARNINGS": _show_parser("WARNINGS"),
 419        }
 420
 421        PROPERTY_PARSERS = {
 422            **parser.Parser.PROPERTY_PARSERS,
 423            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
 424        }
 425
 426        SET_PARSERS = {
 427            **parser.Parser.SET_PARSERS,
 428            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
 429            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
 430            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
 431            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
 432            "NAMES": lambda self: self._parse_set_item_names(),
 433        }
 434
 435        CONSTRAINT_PARSERS = {
 436            **parser.Parser.CONSTRAINT_PARSERS,
 437            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
 438            "INDEX": lambda self: self._parse_index_constraint(),
 439            "KEY": lambda self: self._parse_index_constraint(),
 440            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
 441        }
 442
 443        ALTER_PARSERS = {
 444            **parser.Parser.ALTER_PARSERS,
 445            "MODIFY": lambda self: self._parse_alter_table_alter(),
 446        }
 447
 448        ALTER_ALTER_PARSERS = {
 449            **parser.Parser.ALTER_ALTER_PARSERS,
 450            "INDEX": lambda self: self._parse_alter_table_alter_index(),
 451        }
 452
 453        SCHEMA_UNNAMED_CONSTRAINTS = {
 454            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
 455            "FULLTEXT",
 456            "INDEX",
 457            "KEY",
 458            "SPATIAL",
 459        }
 460
 461        PROFILE_TYPES: parser.OPTIONS_TYPE = {
 462            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
 463            "BLOCK": ("IO",),
 464            "CONTEXT": ("SWITCHES",),
 465            "PAGE": ("FAULTS",),
 466        }
 467
 468        TYPE_TOKENS = {
 469            *parser.Parser.TYPE_TOKENS,
 470            TokenType.SET,
 471        }
 472
 473        ENUM_TYPE_TOKENS = {
 474            *parser.Parser.ENUM_TYPE_TOKENS,
 475            TokenType.SET,
 476        }
 477
 478        # SELECT [ ALL | DISTINCT | DISTINCTROW ] [ <OPERATION_MODIFIERS> ]
 479        OPERATION_MODIFIERS = {
 480            "HIGH_PRIORITY",
 481            "STRAIGHT_JOIN",
 482            "SQL_SMALL_RESULT",
 483            "SQL_BIG_RESULT",
 484            "SQL_BUFFER_RESULT",
 485            "SQL_NO_CACHE",
 486            "SQL_CALC_FOUND_ROWS",
 487        }
 488
 489        LOG_DEFAULTS_TO_LN = True
 490        STRING_ALIASES = True
 491        VALUES_FOLLOWED_BY_PAREN = False
 492        SUPPORTS_PARTITION_SELECTION = True
 493
 494        def _parse_generated_as_identity(
 495            self,
 496        ) -> (
 497            exp.GeneratedAsIdentityColumnConstraint
 498            | exp.ComputedColumnConstraint
 499            | exp.GeneratedAsRowColumnConstraint
 500        ):
 501            this = super()._parse_generated_as_identity()
 502
 503            if self._match_texts(("STORED", "VIRTUAL")):
 504                persisted = self._prev.text.upper() == "STORED"
 505
 506                if isinstance(this, exp.ComputedColumnConstraint):
 507                    this.set("persisted", persisted)
 508                elif isinstance(this, exp.GeneratedAsIdentityColumnConstraint):
 509                    this = self.expression(
 510                        exp.ComputedColumnConstraint, this=this.expression, persisted=persisted
 511                    )
 512
 513            return this
 514
 515        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
 516            this = self._parse_id_var()
 517            if not self._match(TokenType.L_PAREN):
 518                return this
 519
 520            expression = self._parse_number()
 521            self._match_r_paren()
 522            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
 523
 524        def _parse_index_constraint(
 525            self, kind: t.Optional[str] = None
 526        ) -> exp.IndexColumnConstraint:
 527            if kind:
 528                self._match_texts(("INDEX", "KEY"))
 529
 530            this = self._parse_id_var(any_token=False)
 531            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
 532            expressions = self._parse_wrapped_csv(self._parse_ordered)
 533
 534            options = []
 535            while True:
 536                if self._match_text_seq("KEY_BLOCK_SIZE"):
 537                    self._match(TokenType.EQ)
 538                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
 539                elif self._match(TokenType.USING):
 540                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
 541                elif self._match_text_seq("WITH", "PARSER"):
 542                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
 543                elif self._match(TokenType.COMMENT):
 544                    opt = exp.IndexConstraintOption(comment=self._parse_string())
 545                elif self._match_text_seq("VISIBLE"):
 546                    opt = exp.IndexConstraintOption(visible=True)
 547                elif self._match_text_seq("INVISIBLE"):
 548                    opt = exp.IndexConstraintOption(visible=False)
 549                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
 550                    self._match(TokenType.EQ)
 551                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
 552                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
 553                    self._match(TokenType.EQ)
 554                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
 555                else:
 556                    opt = None
 557
 558                if not opt:
 559                    break
 560
 561                options.append(opt)
 562
 563            return self.expression(
 564                exp.IndexColumnConstraint,
 565                this=this,
 566                expressions=expressions,
 567                kind=kind,
 568                index_type=index_type,
 569                options=options,
 570            )
 571
 572        def _parse_show_mysql(
 573            self,
 574            this: str,
 575            target: bool | str = False,
 576            full: t.Optional[bool] = None,
 577            global_: t.Optional[bool] = None,
 578        ) -> exp.Show:
 579            if target:
 580                if isinstance(target, str):
 581                    self._match_text_seq(target)
 582                target_id = self._parse_id_var()
 583            else:
 584                target_id = None
 585
 586            log = self._parse_string() if self._match_text_seq("IN") else None
 587
 588            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
 589                position = self._parse_number() if self._match_text_seq("FROM") else None
 590                db = None
 591            else:
 592                position = None
 593                db = None
 594
 595                if self._match(TokenType.FROM):
 596                    db = self._parse_id_var()
 597                elif self._match(TokenType.DOT):
 598                    db = target_id
 599                    target_id = self._parse_id_var()
 600
 601            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
 602
 603            like = self._parse_string() if self._match_text_seq("LIKE") else None
 604            where = self._parse_where()
 605
 606            if this == "PROFILE":
 607                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
 608                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
 609                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
 610                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
 611            else:
 612                types, query = None, None
 613                offset, limit = self._parse_oldstyle_limit()
 614
 615            mutex = True if self._match_text_seq("MUTEX") else None
 616            mutex = False if self._match_text_seq("STATUS") else mutex
 617
 618            return self.expression(
 619                exp.Show,
 620                this=this,
 621                target=target_id,
 622                full=full,
 623                log=log,
 624                position=position,
 625                db=db,
 626                channel=channel,
 627                like=like,
 628                where=where,
 629                types=types,
 630                query=query,
 631                offset=offset,
 632                limit=limit,
 633                mutex=mutex,
 634                **{"global": global_},  # type: ignore
 635            )
 636
 637        def _parse_oldstyle_limit(
 638            self,
 639        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
 640            limit = None
 641            offset = None
 642            if self._match_text_seq("LIMIT"):
 643                parts = self._parse_csv(self._parse_number)
 644                if len(parts) == 1:
 645                    limit = parts[0]
 646                elif len(parts) == 2:
 647                    limit = parts[1]
 648                    offset = parts[0]
 649
 650            return offset, limit
 651
 652        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
 653            this = self._parse_string() or self._parse_unquoted_field()
 654            return self.expression(exp.SetItem, this=this, kind=kind)
 655
 656        def _parse_set_item_names(self) -> exp.Expression:
 657            charset = self._parse_string() or self._parse_unquoted_field()
 658            if self._match_text_seq("COLLATE"):
 659                collate = self._parse_string() or self._parse_unquoted_field()
 660            else:
 661                collate = None
 662
 663            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
 664
 665        def _parse_type(
 666            self, parse_interval: bool = True, fallback_to_identifier: bool = False
 667        ) -> t.Optional[exp.Expression]:
 668            # mysql binary is special and can work anywhere, even in order by operations
 669            # it operates like a no paren func
 670            if self._match(TokenType.BINARY, advance=False):
 671                data_type = self._parse_types(check_func=True, allow_identifiers=False)
 672
 673                if isinstance(data_type, exp.DataType):
 674                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
 675
 676            return super()._parse_type(
 677                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
 678            )
 679
 680        def _parse_alter_table_alter_index(self) -> exp.AlterIndex:
 681            index = self._parse_field(any_token=True)
 682
 683            if self._match_text_seq("VISIBLE"):
 684                visible = True
 685            elif self._match_text_seq("INVISIBLE"):
 686                visible = False
 687            else:
 688                visible = None
 689
 690            return self.expression(exp.AlterIndex, this=index, visible=visible)
 691
 692    class Generator(generator.Generator):
 693        INTERVAL_ALLOWS_PLURAL_FORM = False
 694        LOCKING_READS_SUPPORTED = True
 695        NULL_ORDERING_SUPPORTED = None
 696        JOIN_HINTS = False
 697        TABLE_HINTS = True
 698        DUPLICATE_KEY_UPDATE_WITH_SET = False
 699        QUERY_HINT_SEP = " "
 700        VALUES_AS_TABLE = False
 701        NVL2_SUPPORTED = False
 702        LAST_DAY_SUPPORTS_DATE_PART = False
 703        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
 704        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
 705        JSON_KEY_VALUE_PAIR_SEP = ","
 706        SUPPORTS_TO_NUMBER = False
 707        PARSE_JSON_NAME: t.Optional[str] = None
 708        PAD_FILL_PATTERN_IS_REQUIRED = True
 709        WRAP_DERIVED_VALUES = False
 710        VARCHAR_REQUIRES_SIZE = True
 711        SUPPORTS_MEDIAN = False
 712
 713        TRANSFORMS = {
 714            **generator.Generator.TRANSFORMS,
 715            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
 716            exp.CurrentDate: no_paren_current_date_sql,
 717            exp.DateDiff: _remove_ts_or_ds_to_date(
 718                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
 719            ),
 720            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
 721            exp.DateStrToDate: datestrtodate_sql,
 722            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
 723            exp.DateTrunc: _date_trunc_sql,
 724            exp.Day: _remove_ts_or_ds_to_date(),
 725            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
 726            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
 727            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
 728            exp.GroupConcat: lambda self,
 729            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
 730            exp.ILike: no_ilike_sql,
 731            exp.JSONExtractScalar: arrow_json_extract_sql,
 732            exp.Length: length_or_char_length_sql,
 733            exp.LogicalOr: rename_func("MAX"),
 734            exp.LogicalAnd: rename_func("MIN"),
 735            exp.Max: max_or_greatest,
 736            exp.Min: min_or_least,
 737            exp.Month: _remove_ts_or_ds_to_date(),
 738            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
 739            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
 740            exp.NumberToStr: rename_func("FORMAT"),
 741            exp.Pivot: no_pivot_sql,
 742            exp.Select: transforms.preprocess(
 743                [
 744                    transforms.eliminate_distinct_on,
 745                    transforms.eliminate_semi_and_anti_joins,
 746                    transforms.eliminate_qualify,
 747                    transforms.eliminate_full_outer_join,
 748                    transforms.unnest_generate_date_array_using_recursive_cte,
 749                ]
 750            ),
 751            exp.StrPosition: lambda self, e: strposition_sql(
 752                self, e, func_name="LOCATE", supports_position=True
 753            ),
 754            exp.StrToDate: _str_to_date_sql,
 755            exp.StrToTime: _str_to_date_sql,
 756            exp.Stuff: rename_func("INSERT"),
 757            exp.TableSample: no_tablesample_sql,
 758            exp.TimeFromParts: rename_func("MAKETIME"),
 759            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
 760            exp.TimestampDiff: lambda self, e: self.func(
 761                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
 762            ),
 763            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
 764            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
 765            exp.TimeStrToTime: lambda self, e: timestrtotime_sql(
 766                self,
 767                e,
 768                include_precision=not e.args.get("zone"),
 769            ),
 770            exp.TimeToStr: _remove_ts_or_ds_to_date(
 771                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
 772            ),
 773            exp.Trim: trim_sql,
 774            exp.TryCast: no_trycast_sql,
 775            exp.TsOrDsAdd: date_add_sql("ADD"),
 776            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
 777            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
 778            exp.Unicode: lambda self, e: f"ORD(CONVERT({self.sql(e.this)} USING utf32))",
 779            exp.UnixToTime: _unix_to_time_sql,
 780            exp.Week: _remove_ts_or_ds_to_date(),
 781            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
 782            exp.Year: _remove_ts_or_ds_to_date(),
 783        }
 784
 785        UNSIGNED_TYPE_MAPPING = {
 786            exp.DataType.Type.UBIGINT: "BIGINT",
 787            exp.DataType.Type.UINT: "INT",
 788            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
 789            exp.DataType.Type.USMALLINT: "SMALLINT",
 790            exp.DataType.Type.UTINYINT: "TINYINT",
 791            exp.DataType.Type.UDECIMAL: "DECIMAL",
 792            exp.DataType.Type.UDOUBLE: "DOUBLE",
 793        }
 794
 795        TIMESTAMP_TYPE_MAPPING = {
 796            exp.DataType.Type.DATETIME2: "DATETIME",
 797            exp.DataType.Type.SMALLDATETIME: "DATETIME",
 798            exp.DataType.Type.TIMESTAMP: "DATETIME",
 799            exp.DataType.Type.TIMESTAMPNTZ: "DATETIME",
 800            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
 801            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
 802        }
 803
 804        TYPE_MAPPING = {
 805            **generator.Generator.TYPE_MAPPING,
 806            **UNSIGNED_TYPE_MAPPING,
 807            **TIMESTAMP_TYPE_MAPPING,
 808        }
 809
 810        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
 811        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
 812        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
 813        TYPE_MAPPING.pop(exp.DataType.Type.BLOB)
 814        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
 815        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
 816        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
 817
 818        PROPERTIES_LOCATION = {
 819            **generator.Generator.PROPERTIES_LOCATION,
 820            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
 821            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
 822        }
 823
 824        LIMIT_FETCH = "LIMIT"
 825
 826        LIMIT_ONLY_LITERALS = True
 827
 828        CHAR_CAST_MAPPING = dict.fromkeys(
 829            (
 830                exp.DataType.Type.LONGTEXT,
 831                exp.DataType.Type.LONGBLOB,
 832                exp.DataType.Type.MEDIUMBLOB,
 833                exp.DataType.Type.MEDIUMTEXT,
 834                exp.DataType.Type.TEXT,
 835                exp.DataType.Type.TINYBLOB,
 836                exp.DataType.Type.TINYTEXT,
 837                exp.DataType.Type.VARCHAR,
 838            ),
 839            "CHAR",
 840        )
 841        SIGNED_CAST_MAPPING = dict.fromkeys(
 842            (
 843                exp.DataType.Type.BIGINT,
 844                exp.DataType.Type.BOOLEAN,
 845                exp.DataType.Type.INT,
 846                exp.DataType.Type.SMALLINT,
 847                exp.DataType.Type.TINYINT,
 848                exp.DataType.Type.MEDIUMINT,
 849            ),
 850            "SIGNED",
 851        )
 852
 853        # MySQL doesn't support many datatypes in cast.
 854        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
 855        CAST_MAPPING = {
 856            **CHAR_CAST_MAPPING,
 857            **SIGNED_CAST_MAPPING,
 858            exp.DataType.Type.UBIGINT: "UNSIGNED",
 859        }
 860
 861        TIMESTAMP_FUNC_TYPES = {
 862            exp.DataType.Type.TIMESTAMPTZ,
 863            exp.DataType.Type.TIMESTAMPLTZ,
 864        }
 865
 866        # https://dev.mysql.com/doc/refman/8.0/en/keywords.html
 867        RESERVED_KEYWORDS = {
 868            "accessible",
 869            "add",
 870            "all",
 871            "alter",
 872            "analyze",
 873            "and",
 874            "as",
 875            "asc",
 876            "asensitive",
 877            "before",
 878            "between",
 879            "bigint",
 880            "binary",
 881            "blob",
 882            "both",
 883            "by",
 884            "call",
 885            "cascade",
 886            "case",
 887            "change",
 888            "char",
 889            "character",
 890            "check",
 891            "collate",
 892            "column",
 893            "condition",
 894            "constraint",
 895            "continue",
 896            "convert",
 897            "create",
 898            "cross",
 899            "cube",
 900            "cume_dist",
 901            "current_date",
 902            "current_time",
 903            "current_timestamp",
 904            "current_user",
 905            "cursor",
 906            "database",
 907            "databases",
 908            "day_hour",
 909            "day_microsecond",
 910            "day_minute",
 911            "day_second",
 912            "dec",
 913            "decimal",
 914            "declare",
 915            "default",
 916            "delayed",
 917            "delete",
 918            "dense_rank",
 919            "desc",
 920            "describe",
 921            "deterministic",
 922            "distinct",
 923            "distinctrow",
 924            "div",
 925            "double",
 926            "drop",
 927            "dual",
 928            "each",
 929            "else",
 930            "elseif",
 931            "empty",
 932            "enclosed",
 933            "escaped",
 934            "except",
 935            "exists",
 936            "exit",
 937            "explain",
 938            "false",
 939            "fetch",
 940            "first_value",
 941            "float",
 942            "float4",
 943            "float8",
 944            "for",
 945            "force",
 946            "foreign",
 947            "from",
 948            "fulltext",
 949            "function",
 950            "generated",
 951            "get",
 952            "grant",
 953            "group",
 954            "grouping",
 955            "groups",
 956            "having",
 957            "high_priority",
 958            "hour_microsecond",
 959            "hour_minute",
 960            "hour_second",
 961            "if",
 962            "ignore",
 963            "in",
 964            "index",
 965            "infile",
 966            "inner",
 967            "inout",
 968            "insensitive",
 969            "insert",
 970            "int",
 971            "int1",
 972            "int2",
 973            "int3",
 974            "int4",
 975            "int8",
 976            "integer",
 977            "intersect",
 978            "interval",
 979            "into",
 980            "io_after_gtids",
 981            "io_before_gtids",
 982            "is",
 983            "iterate",
 984            "join",
 985            "json_table",
 986            "key",
 987            "keys",
 988            "kill",
 989            "lag",
 990            "last_value",
 991            "lateral",
 992            "lead",
 993            "leading",
 994            "leave",
 995            "left",
 996            "like",
 997            "limit",
 998            "linear",
 999            "lines",
1000            "load",
1001            "localtime",
1002            "localtimestamp",
1003            "lock",
1004            "long",
1005            "longblob",
1006            "longtext",
1007            "loop",
1008            "low_priority",
1009            "master_bind",
1010            "master_ssl_verify_server_cert",
1011            "match",
1012            "maxvalue",
1013            "mediumblob",
1014            "mediumint",
1015            "mediumtext",
1016            "middleint",
1017            "minute_microsecond",
1018            "minute_second",
1019            "mod",
1020            "modifies",
1021            "natural",
1022            "not",
1023            "no_write_to_binlog",
1024            "nth_value",
1025            "ntile",
1026            "null",
1027            "numeric",
1028            "of",
1029            "on",
1030            "optimize",
1031            "optimizer_costs",
1032            "option",
1033            "optionally",
1034            "or",
1035            "order",
1036            "out",
1037            "outer",
1038            "outfile",
1039            "over",
1040            "partition",
1041            "percent_rank",
1042            "precision",
1043            "primary",
1044            "procedure",
1045            "purge",
1046            "range",
1047            "rank",
1048            "read",
1049            "reads",
1050            "read_write",
1051            "real",
1052            "recursive",
1053            "references",
1054            "regexp",
1055            "release",
1056            "rename",
1057            "repeat",
1058            "replace",
1059            "require",
1060            "resignal",
1061            "restrict",
1062            "return",
1063            "revoke",
1064            "right",
1065            "rlike",
1066            "row",
1067            "rows",
1068            "row_number",
1069            "schema",
1070            "schemas",
1071            "second_microsecond",
1072            "select",
1073            "sensitive",
1074            "separator",
1075            "set",
1076            "show",
1077            "signal",
1078            "smallint",
1079            "spatial",
1080            "specific",
1081            "sql",
1082            "sqlexception",
1083            "sqlstate",
1084            "sqlwarning",
1085            "sql_big_result",
1086            "sql_calc_found_rows",
1087            "sql_small_result",
1088            "ssl",
1089            "starting",
1090            "stored",
1091            "straight_join",
1092            "system",
1093            "table",
1094            "terminated",
1095            "then",
1096            "tinyblob",
1097            "tinyint",
1098            "tinytext",
1099            "to",
1100            "trailing",
1101            "trigger",
1102            "true",
1103            "undo",
1104            "union",
1105            "unique",
1106            "unlock",
1107            "unsigned",
1108            "update",
1109            "usage",
1110            "use",
1111            "using",
1112            "utc_date",
1113            "utc_time",
1114            "utc_timestamp",
1115            "values",
1116            "varbinary",
1117            "varchar",
1118            "varcharacter",
1119            "varying",
1120            "virtual",
1121            "when",
1122            "where",
1123            "while",
1124            "window",
1125            "with",
1126            "write",
1127            "xor",
1128            "year_month",
1129            "zerofill",
1130        }
1131
1132        def computedcolumnconstraint_sql(self, expression: exp.ComputedColumnConstraint) -> str:
1133            persisted = "STORED" if expression.args.get("persisted") else "VIRTUAL"
1134            return f"GENERATED ALWAYS AS ({self.sql(expression.this.unnest())}) {persisted}"
1135
1136        def array_sql(self, expression: exp.Array) -> str:
1137            self.unsupported("Arrays are not supported by MySQL")
1138            return self.function_fallback_sql(expression)
1139
1140        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1141            self.unsupported("Array operations are not supported by MySQL")
1142            return self.function_fallback_sql(expression)
1143
1144        def dpipe_sql(self, expression: exp.DPipe) -> str:
1145            return self.func("CONCAT", *expression.flatten())
1146
1147        def extract_sql(self, expression: exp.Extract) -> str:
1148            unit = expression.name
1149            if unit and unit.lower() == "epoch":
1150                return self.func("UNIX_TIMESTAMP", expression.expression)
1151
1152            return super().extract_sql(expression)
1153
1154        def datatype_sql(self, expression: exp.DataType) -> str:
1155            if (
1156                self.VARCHAR_REQUIRES_SIZE
1157                and expression.is_type(exp.DataType.Type.VARCHAR)
1158                and not expression.expressions
1159            ):
1160                # `VARCHAR` must always have a size - if it doesn't, we always generate `TEXT`
1161                return "TEXT"
1162
1163            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1164            result = super().datatype_sql(expression)
1165            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1166                result = f"{result} UNSIGNED"
1167
1168            return result
1169
1170        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1171            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
1172
1173        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1174            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1175                return self.func("TIMESTAMP", expression.this)
1176
1177            to = self.CAST_MAPPING.get(expression.to.this)
1178
1179            if to:
1180                expression.to.set("this", to)
1181            return super().cast_sql(expression)
1182
1183        def show_sql(self, expression: exp.Show) -> str:
1184            this = f" {expression.name}"
1185            full = " FULL" if expression.args.get("full") else ""
1186            global_ = " GLOBAL" if expression.args.get("global") else ""
1187
1188            target = self.sql(expression, "target")
1189            target = f" {target}" if target else ""
1190            if expression.name in ("COLUMNS", "INDEX"):
1191                target = f" FROM{target}"
1192            elif expression.name == "GRANTS":
1193                target = f" FOR{target}"
1194
1195            db = self._prefixed_sql("FROM", expression, "db")
1196
1197            like = self._prefixed_sql("LIKE", expression, "like")
1198            where = self.sql(expression, "where")
1199
1200            types = self.expressions(expression, key="types")
1201            types = f" {types}" if types else types
1202            query = self._prefixed_sql("FOR QUERY", expression, "query")
1203
1204            if expression.name == "PROFILE":
1205                offset = self._prefixed_sql("OFFSET", expression, "offset")
1206                limit = self._prefixed_sql("LIMIT", expression, "limit")
1207            else:
1208                offset = ""
1209                limit = self._oldstyle_limit_sql(expression)
1210
1211            log = self._prefixed_sql("IN", expression, "log")
1212            position = self._prefixed_sql("FROM", expression, "position")
1213
1214            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1215
1216            if expression.name == "ENGINE":
1217                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1218            else:
1219                mutex_or_status = ""
1220
1221            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
1222
1223        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1224            dtype = self.sql(expression, "dtype")
1225            if not dtype:
1226                return super().altercolumn_sql(expression)
1227
1228            this = self.sql(expression, "this")
1229            return f"MODIFY COLUMN {this} {dtype}"
1230
1231        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
1232            sql = self.sql(expression, arg)
1233            return f" {prefix} {sql}" if sql else ""
1234
1235        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
1236            limit = self.sql(expression, "limit")
1237            offset = self.sql(expression, "offset")
1238            if limit:
1239                limit_offset = f"{offset}, {limit}" if offset else limit
1240                return f" LIMIT {limit_offset}"
1241            return ""
1242
1243        def chr_sql(self, expression: exp.Chr) -> str:
1244            this = self.expressions(sqls=[expression.this] + expression.expressions)
1245            charset = expression.args.get("charset")
1246            using = f" USING {self.sql(charset)}" if charset else ""
1247            return f"CHAR({this}{using})"
1248
1249        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1250            unit = expression.args.get("unit")
1251
1252            # Pick an old-enough date to avoid negative timestamp diffs
1253            start_ts = "'0000-01-01 00:00:00'"
1254
1255            # Source: https://stackoverflow.com/a/32955740
1256            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1257            interval = exp.Interval(this=timestamp_diff, unit=unit)
1258            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1259
1260            return self.sql(dateadd)
1261
1262        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1263            from_tz = expression.args.get("source_tz")
1264            to_tz = expression.args.get("target_tz")
1265            dt = expression.args.get("timestamp")
1266
1267            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
1268
1269        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1270            self.unsupported("AT TIME ZONE is not supported by MySQL")
1271            return self.sql(expression.this)
1272
1273        def isascii_sql(self, expression: exp.IsAscii) -> str:
1274            return f"REGEXP_LIKE({self.sql(expression.this)}, '^[[:ascii:]]*$')"
1275
1276        @unsupported_args("this")
1277        def currentschema_sql(self, expression: exp.CurrentSchema) -> str:
1278            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            "DISTINCTROW": TokenType.DISTINCT,
200            "EXPLAIN": TokenType.DESCRIBE,
201            "FORCE": TokenType.FORCE,
202            "IGNORE": TokenType.IGNORE,
203            "KEY": TokenType.KEY,
204            "LOCK TABLES": TokenType.COMMAND,
205            "LONGBLOB": TokenType.LONGBLOB,
206            "LONGTEXT": TokenType.LONGTEXT,
207            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
208            "TINYBLOB": TokenType.TINYBLOB,
209            "TINYTEXT": TokenType.TINYTEXT,
210            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
211            "MEDIUMINT": TokenType.MEDIUMINT,
212            "MEMBER OF": TokenType.MEMBER_OF,
213            "SEPARATOR": TokenType.SEPARATOR,
214            "SERIAL": TokenType.SERIAL,
215            "START": TokenType.BEGIN,
216            "SIGNED": TokenType.BIGINT,
217            "SIGNED INTEGER": TokenType.BIGINT,
218            "TIMESTAMP": TokenType.TIMESTAMPTZ,
219            "UNLOCK TABLES": TokenType.COMMAND,
220            "UNSIGNED": TokenType.UBIGINT,
221            "UNSIGNED INTEGER": TokenType.UBIGINT,
222            "YEAR": TokenType.YEAR,
223            "_ARMSCII8": TokenType.INTRODUCER,
224            "_ASCII": TokenType.INTRODUCER,
225            "_BIG5": TokenType.INTRODUCER,
226            "_BINARY": TokenType.INTRODUCER,
227            "_CP1250": TokenType.INTRODUCER,
228            "_CP1251": TokenType.INTRODUCER,
229            "_CP1256": TokenType.INTRODUCER,
230            "_CP1257": TokenType.INTRODUCER,
231            "_CP850": TokenType.INTRODUCER,
232            "_CP852": TokenType.INTRODUCER,
233            "_CP866": TokenType.INTRODUCER,
234            "_CP932": TokenType.INTRODUCER,
235            "_DEC8": TokenType.INTRODUCER,
236            "_EUCJPMS": TokenType.INTRODUCER,
237            "_EUCKR": TokenType.INTRODUCER,
238            "_GB18030": TokenType.INTRODUCER,
239            "_GB2312": TokenType.INTRODUCER,
240            "_GBK": TokenType.INTRODUCER,
241            "_GEOSTD8": TokenType.INTRODUCER,
242            "_GREEK": TokenType.INTRODUCER,
243            "_HEBREW": TokenType.INTRODUCER,
244            "_HP8": TokenType.INTRODUCER,
245            "_KEYBCS2": TokenType.INTRODUCER,
246            "_KOI8R": TokenType.INTRODUCER,
247            "_KOI8U": TokenType.INTRODUCER,
248            "_LATIN1": TokenType.INTRODUCER,
249            "_LATIN2": TokenType.INTRODUCER,
250            "_LATIN5": TokenType.INTRODUCER,
251            "_LATIN7": TokenType.INTRODUCER,
252            "_MACCE": TokenType.INTRODUCER,
253            "_MACROMAN": TokenType.INTRODUCER,
254            "_SJIS": TokenType.INTRODUCER,
255            "_SWE7": TokenType.INTRODUCER,
256            "_TIS620": TokenType.INTRODUCER,
257            "_UCS2": TokenType.INTRODUCER,
258            "_UJIS": TokenType.INTRODUCER,
259            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
260            "_UTF8": TokenType.INTRODUCER,
261            "_UTF16": TokenType.INTRODUCER,
262            "_UTF16LE": TokenType.INTRODUCER,
263            "_UTF32": TokenType.INTRODUCER,
264            "_UTF8MB3": TokenType.INTRODUCER,
265            "_UTF8MB4": TokenType.INTRODUCER,
266            "@@": TokenType.SESSION_PARAMETER,
267        }
268
269        COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW}
QUOTES = ["'", '"']
COMMENTS = ['--', '#', ('/*', '*/')]
IDENTIFIERS = ['`']
STRING_ESCAPES = ["'", '"', '\\']
BIT_STRINGS = [("b'", "'"), ("B'", "'"), ('0b', '')]
HEX_STRINGS = [("x'", "'"), ("X'", "'"), ('0x', '')]
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'>, 'REVOKE': <TokenType.REVOKE: 'REVOKE'>, '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'>, 'DISTINCTROW': <TokenType.DISTINCT: 'DISTINCT'>, '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.REPLACE: 'REPLACE'>, <TokenType.RENAME: 'RENAME'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.FETCH: 'FETCH'>, <TokenType.EXECUTE: 'EXECUTE'>}
class MySQL.Parser(sqlglot.parser.Parser):
271    class Parser(parser.Parser):
272        FUNC_TOKENS = {
273            *parser.Parser.FUNC_TOKENS,
274            TokenType.DATABASE,
275            TokenType.SCHEMA,
276            TokenType.VALUES,
277        }
278
279        CONJUNCTION = {
280            **parser.Parser.CONJUNCTION,
281            TokenType.DAMP: exp.And,
282            TokenType.XOR: exp.Xor,
283        }
284
285        DISJUNCTION = {
286            **parser.Parser.DISJUNCTION,
287            TokenType.DPIPE: exp.Or,
288        }
289
290        TABLE_ALIAS_TOKENS = (
291            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
292        )
293
294        RANGE_PARSERS = {
295            **parser.Parser.RANGE_PARSERS,
296            TokenType.MEMBER_OF: lambda self, this: self.expression(
297                exp.JSONArrayContains,
298                this=this,
299                expression=self._parse_wrapped(self._parse_expression),
300            ),
301        }
302
303        FUNCTIONS = {
304            **parser.Parser.FUNCTIONS,
305            "CONVERT_TZ": lambda args: exp.ConvertTimezone(
306                source_tz=seq_get(args, 1), target_tz=seq_get(args, 2), timestamp=seq_get(args, 0)
307            ),
308            "CURDATE": exp.CurrentDate.from_arg_list,
309            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
310            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
311            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
312            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
313            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
314            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
315            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
316            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
317            "FORMAT": exp.NumberToStr.from_arg_list,
318            "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"),
319            "ISNULL": isnull_to_is_null,
320            "LENGTH": lambda args: exp.Length(this=seq_get(args, 0), binary=True),
321            "MAKETIME": exp.TimeFromParts.from_arg_list,
322            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
323            "MONTHNAME": lambda args: exp.TimeToStr(
324                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
325                format=exp.Literal.string("%B"),
326            ),
327            "SCHEMA": exp.CurrentSchema.from_arg_list,
328            "DATABASE": exp.CurrentSchema.from_arg_list,
329            "STR_TO_DATE": _str_to_date,
330            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
331            "TO_DAYS": lambda args: exp.paren(
332                exp.DateDiff(
333                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
334                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
335                    unit=exp.var("DAY"),
336                )
337                + 1
338            ),
339            "WEEK": lambda args: exp.Week(
340                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
341            ),
342            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
343            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
344        }
345
346        FUNCTION_PARSERS = {
347            **parser.Parser.FUNCTION_PARSERS,
348            "CHAR": lambda self: self.expression(
349                exp.Chr,
350                expressions=self._parse_csv(self._parse_assignment),
351                charset=self._match(TokenType.USING) and self._parse_var(),
352            ),
353            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
354            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
355            "VALUES": lambda self: self.expression(
356                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
357            ),
358            "JSON_VALUE": lambda self: self._parse_json_value(),
359        }
360
361        STATEMENT_PARSERS = {
362            **parser.Parser.STATEMENT_PARSERS,
363            TokenType.SHOW: lambda self: self._parse_show(),
364        }
365
366        SHOW_PARSERS = {
367            "BINARY LOGS": _show_parser("BINARY LOGS"),
368            "MASTER LOGS": _show_parser("BINARY LOGS"),
369            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
370            "CHARACTER SET": _show_parser("CHARACTER SET"),
371            "CHARSET": _show_parser("CHARACTER SET"),
372            "COLLATION": _show_parser("COLLATION"),
373            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
374            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
375            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
376            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
377            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
378            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
379            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
380            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
381            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
382            "DATABASES": _show_parser("DATABASES"),
383            "SCHEMAS": _show_parser("DATABASES"),
384            "ENGINE": _show_parser("ENGINE", target=True),
385            "STORAGE ENGINES": _show_parser("ENGINES"),
386            "ENGINES": _show_parser("ENGINES"),
387            "ERRORS": _show_parser("ERRORS"),
388            "EVENTS": _show_parser("EVENTS"),
389            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
390            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
391            "GRANTS": _show_parser("GRANTS", target="FOR"),
392            "INDEX": _show_parser("INDEX", target="FROM"),
393            "MASTER STATUS": _show_parser("MASTER STATUS"),
394            "OPEN TABLES": _show_parser("OPEN TABLES"),
395            "PLUGINS": _show_parser("PLUGINS"),
396            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
397            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
398            "PRIVILEGES": _show_parser("PRIVILEGES"),
399            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
400            "PROCESSLIST": _show_parser("PROCESSLIST"),
401            "PROFILE": _show_parser("PROFILE"),
402            "PROFILES": _show_parser("PROFILES"),
403            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
404            "REPLICAS": _show_parser("REPLICAS"),
405            "SLAVE HOSTS": _show_parser("REPLICAS"),
406            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
407            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
408            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
409            "SESSION STATUS": _show_parser("STATUS"),
410            "STATUS": _show_parser("STATUS"),
411            "TABLE STATUS": _show_parser("TABLE STATUS"),
412            "FULL TABLES": _show_parser("TABLES", full=True),
413            "TABLES": _show_parser("TABLES"),
414            "TRIGGERS": _show_parser("TRIGGERS"),
415            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
416            "SESSION VARIABLES": _show_parser("VARIABLES"),
417            "VARIABLES": _show_parser("VARIABLES"),
418            "WARNINGS": _show_parser("WARNINGS"),
419        }
420
421        PROPERTY_PARSERS = {
422            **parser.Parser.PROPERTY_PARSERS,
423            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
424        }
425
426        SET_PARSERS = {
427            **parser.Parser.SET_PARSERS,
428            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
429            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
430            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
431            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
432            "NAMES": lambda self: self._parse_set_item_names(),
433        }
434
435        CONSTRAINT_PARSERS = {
436            **parser.Parser.CONSTRAINT_PARSERS,
437            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
438            "INDEX": lambda self: self._parse_index_constraint(),
439            "KEY": lambda self: self._parse_index_constraint(),
440            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
441        }
442
443        ALTER_PARSERS = {
444            **parser.Parser.ALTER_PARSERS,
445            "MODIFY": lambda self: self._parse_alter_table_alter(),
446        }
447
448        ALTER_ALTER_PARSERS = {
449            **parser.Parser.ALTER_ALTER_PARSERS,
450            "INDEX": lambda self: self._parse_alter_table_alter_index(),
451        }
452
453        SCHEMA_UNNAMED_CONSTRAINTS = {
454            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
455            "FULLTEXT",
456            "INDEX",
457            "KEY",
458            "SPATIAL",
459        }
460
461        PROFILE_TYPES: parser.OPTIONS_TYPE = {
462            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
463            "BLOCK": ("IO",),
464            "CONTEXT": ("SWITCHES",),
465            "PAGE": ("FAULTS",),
466        }
467
468        TYPE_TOKENS = {
469            *parser.Parser.TYPE_TOKENS,
470            TokenType.SET,
471        }
472
473        ENUM_TYPE_TOKENS = {
474            *parser.Parser.ENUM_TYPE_TOKENS,
475            TokenType.SET,
476        }
477
478        # SELECT [ ALL | DISTINCT | DISTINCTROW ] [ <OPERATION_MODIFIERS> ]
479        OPERATION_MODIFIERS = {
480            "HIGH_PRIORITY",
481            "STRAIGHT_JOIN",
482            "SQL_SMALL_RESULT",
483            "SQL_BIG_RESULT",
484            "SQL_BUFFER_RESULT",
485            "SQL_NO_CACHE",
486            "SQL_CALC_FOUND_ROWS",
487        }
488
489        LOG_DEFAULTS_TO_LN = True
490        STRING_ALIASES = True
491        VALUES_FOLLOWED_BY_PAREN = False
492        SUPPORTS_PARTITION_SELECTION = True
493
494        def _parse_generated_as_identity(
495            self,
496        ) -> (
497            exp.GeneratedAsIdentityColumnConstraint
498            | exp.ComputedColumnConstraint
499            | exp.GeneratedAsRowColumnConstraint
500        ):
501            this = super()._parse_generated_as_identity()
502
503            if self._match_texts(("STORED", "VIRTUAL")):
504                persisted = self._prev.text.upper() == "STORED"
505
506                if isinstance(this, exp.ComputedColumnConstraint):
507                    this.set("persisted", persisted)
508                elif isinstance(this, exp.GeneratedAsIdentityColumnConstraint):
509                    this = self.expression(
510                        exp.ComputedColumnConstraint, this=this.expression, persisted=persisted
511                    )
512
513            return this
514
515        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
516            this = self._parse_id_var()
517            if not self._match(TokenType.L_PAREN):
518                return this
519
520            expression = self._parse_number()
521            self._match_r_paren()
522            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
523
524        def _parse_index_constraint(
525            self, kind: t.Optional[str] = None
526        ) -> exp.IndexColumnConstraint:
527            if kind:
528                self._match_texts(("INDEX", "KEY"))
529
530            this = self._parse_id_var(any_token=False)
531            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
532            expressions = self._parse_wrapped_csv(self._parse_ordered)
533
534            options = []
535            while True:
536                if self._match_text_seq("KEY_BLOCK_SIZE"):
537                    self._match(TokenType.EQ)
538                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
539                elif self._match(TokenType.USING):
540                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
541                elif self._match_text_seq("WITH", "PARSER"):
542                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
543                elif self._match(TokenType.COMMENT):
544                    opt = exp.IndexConstraintOption(comment=self._parse_string())
545                elif self._match_text_seq("VISIBLE"):
546                    opt = exp.IndexConstraintOption(visible=True)
547                elif self._match_text_seq("INVISIBLE"):
548                    opt = exp.IndexConstraintOption(visible=False)
549                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
550                    self._match(TokenType.EQ)
551                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
552                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
553                    self._match(TokenType.EQ)
554                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
555                else:
556                    opt = None
557
558                if not opt:
559                    break
560
561                options.append(opt)
562
563            return self.expression(
564                exp.IndexColumnConstraint,
565                this=this,
566                expressions=expressions,
567                kind=kind,
568                index_type=index_type,
569                options=options,
570            )
571
572        def _parse_show_mysql(
573            self,
574            this: str,
575            target: bool | str = False,
576            full: t.Optional[bool] = None,
577            global_: t.Optional[bool] = None,
578        ) -> exp.Show:
579            if target:
580                if isinstance(target, str):
581                    self._match_text_seq(target)
582                target_id = self._parse_id_var()
583            else:
584                target_id = None
585
586            log = self._parse_string() if self._match_text_seq("IN") else None
587
588            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
589                position = self._parse_number() if self._match_text_seq("FROM") else None
590                db = None
591            else:
592                position = None
593                db = None
594
595                if self._match(TokenType.FROM):
596                    db = self._parse_id_var()
597                elif self._match(TokenType.DOT):
598                    db = target_id
599                    target_id = self._parse_id_var()
600
601            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
602
603            like = self._parse_string() if self._match_text_seq("LIKE") else None
604            where = self._parse_where()
605
606            if this == "PROFILE":
607                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
608                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
609                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
610                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
611            else:
612                types, query = None, None
613                offset, limit = self._parse_oldstyle_limit()
614
615            mutex = True if self._match_text_seq("MUTEX") else None
616            mutex = False if self._match_text_seq("STATUS") else mutex
617
618            return self.expression(
619                exp.Show,
620                this=this,
621                target=target_id,
622                full=full,
623                log=log,
624                position=position,
625                db=db,
626                channel=channel,
627                like=like,
628                where=where,
629                types=types,
630                query=query,
631                offset=offset,
632                limit=limit,
633                mutex=mutex,
634                **{"global": global_},  # type: ignore
635            )
636
637        def _parse_oldstyle_limit(
638            self,
639        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
640            limit = None
641            offset = None
642            if self._match_text_seq("LIMIT"):
643                parts = self._parse_csv(self._parse_number)
644                if len(parts) == 1:
645                    limit = parts[0]
646                elif len(parts) == 2:
647                    limit = parts[1]
648                    offset = parts[0]
649
650            return offset, limit
651
652        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
653            this = self._parse_string() or self._parse_unquoted_field()
654            return self.expression(exp.SetItem, this=this, kind=kind)
655
656        def _parse_set_item_names(self) -> exp.Expression:
657            charset = self._parse_string() or self._parse_unquoted_field()
658            if self._match_text_seq("COLLATE"):
659                collate = self._parse_string() or self._parse_unquoted_field()
660            else:
661                collate = None
662
663            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
664
665        def _parse_type(
666            self, parse_interval: bool = True, fallback_to_identifier: bool = False
667        ) -> t.Optional[exp.Expression]:
668            # mysql binary is special and can work anywhere, even in order by operations
669            # it operates like a no paren func
670            if self._match(TokenType.BINARY, advance=False):
671                data_type = self._parse_types(check_func=True, allow_identifiers=False)
672
673                if isinstance(data_type, exp.DataType):
674                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
675
676            return super()._parse_type(
677                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
678            )
679
680        def _parse_alter_table_alter_index(self) -> exp.AlterIndex:
681            index = self._parse_field(any_token=True)
682
683            if self._match_text_seq("VISIBLE"):
684                visible = True
685            elif self._match_text_seq("INVISIBLE"):
686                visible = False
687            else:
688                visible = None
689
690            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.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.GEOGRAPHYPOINT: 'GEOGRAPHYPOINT'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.RIGHT: 'RIGHT'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.GET: 'GET'>, <TokenType.YEAR: 'YEAR'>, <TokenType.VALUES: 'VALUES'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.CURRENT_SCHEMA: 'CURRENT_SCHEMA'>, <TokenType.LEFT: 'LEFT'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.BIT: 'BIT'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.INSERT: 'INSERT'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.JSONB: 'JSONB'>, <TokenType.VOID: 'VOID'>, <TokenType.ENUM: 'ENUM'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.MULTILINESTRING: 'MULTILINESTRING'>, <TokenType.MERGE: 'MERGE'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.OFFSET: 'OFFSET'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.ILIKE: 'ILIKE'>, <TokenType.NOTHING: 'NOTHING'>, <TokenType.RANGE: 'RANGE'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.SMALLDATETIME: 'SMALLDATETIME'>, <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.ANY: 'ANY'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.DECIMAL256: 'DECIMAL256'>, <TokenType.UINT: 'UINT'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.BINARY: 'BINARY'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.FIRST: 'FIRST'>, <TokenType.JSON: 'JSON'>, <TokenType.SOME: 'SOME'>, <TokenType.TABLE: 'TABLE'>, <TokenType.SUPER: 'SUPER'>, <TokenType.NULL: 'NULL'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.INDEX: 'INDEX'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.DATE: 'DATE'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.POINT: 'POINT'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.LINESTRING: 'LINESTRING'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.DATE32: 'DATE32'>, <TokenType.NEXT: 'NEXT'>, <TokenType.MAP: 'MAP'>, <TokenType.INET: 'INET'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.LIST: 'LIST'>, <TokenType.INT128: 'INT128'>, <TokenType.DYNAMIC: 'DYNAMIC'>, <TokenType.ALL: 'ALL'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.RING: 'RING'>, <TokenType.INT256: 'INT256'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.ROW: 'ROW'>, <TokenType.UINT256: 'UINT256'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.GLOB: 'GLOB'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.IPV4: 'IPV4'>, <TokenType.RLIKE: 'RLIKE'>, <TokenType.WINDOW: 'WINDOW'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.XML: 'XML'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.TEXT: 'TEXT'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.CHAR: 'CHAR'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.UINT128: 'UINT128'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.DATETIME2: 'DATETIME2'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.NESTED: 'NESTED'>, <TokenType.UNION: 'UNION'>, <TokenType.VAR: 'VAR'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.FILTER: 'FILTER'>, <TokenType.MONEY: 'MONEY'>, <TokenType.TIME: 'TIME'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.XOR: 'XOR'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.BLOB: 'BLOB'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.UUID: 'UUID'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.IPV6: 'IPV6'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.POLYGON: 'POLYGON'>, <TokenType.INT: 'INT'>, <TokenType.LIKE: 'LIKE'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.MULTIPOLYGON: 'MULTIPOLYGON'>, <TokenType.UDOUBLE: 'UDOUBLE'>, <TokenType.NAME: 'NAME'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.DATETIME: 'DATETIME'>}
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.LIMIT: 'LIMIT'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.GEOGRAPHYPOINT: 'GEOGRAPHYPOINT'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.STORAGE_INTEGRATION: 'STORAGE_INTEGRATION'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.ATTACH: 'ATTACH'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.GET: 'GET'>, <TokenType.YEAR: 'YEAR'>, <TokenType.SOURCE: 'SOURCE'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.ANTI: 'ANTI'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.CURRENT_SCHEMA: 'CURRENT_SCHEMA'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.BIT: 'BIT'>, <TokenType.TEMPORARY: 'TEMPORARY'>, <TokenType.VOLATILE: 'VOLATILE'>, <TokenType.CASE: 'CASE'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.IS: 'IS'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.JSONB: 'JSONB'>, <TokenType.VOID: 'VOID'>, <TokenType.ENUM: 'ENUM'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.DEFAULT: 'DEFAULT'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.CUBE: 'CUBE'>, <TokenType.STAGE: 'STAGE'>, <TokenType.MULTILINESTRING: 'MULTILINESTRING'>, <TokenType.MERGE: 'MERGE'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.KILL: 'KILL'>, <TokenType.OFFSET: 'OFFSET'>, <TokenType.EXPORT: 'EXPORT'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.NOTHING: 'NOTHING'>, <TokenType.RANGE: 'RANGE'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.PRAGMA: 'PRAGMA'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.SMALLDATETIME: 'SMALLDATETIME'>, <TokenType.RECURSIVE: 'RECURSIVE'>, <TokenType.DESCRIBE: 'DESCRIBE'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.PROCEDURE: 'PROCEDURE'>, <TokenType.ANY: 'ANY'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.DECIMAL256: 'DECIMAL256'>, <TokenType.APPLY: 'APPLY'>, <TokenType.SHOW: 'SHOW'>, <TokenType.UNIQUE: 'UNIQUE'>, <TokenType.UINT: 'UINT'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.VIEW: 'VIEW'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.FUNCTION: 'FUNCTION'>, <TokenType.FINAL: 'FINAL'>, <TokenType.BINARY: 'BINARY'>, <TokenType.RENAME: 'RENAME'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.SEMI: 'SEMI'>, <TokenType.TOP: 'TOP'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.FIRST: 'FIRST'>, <TokenType.JSON: 'JSON'>, <TokenType.SOME: 'SOME'>, <TokenType.TABLE: 'TABLE'>, <TokenType.SUPER: 'SUPER'>, <TokenType.NULL: 'NULL'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.OVERLAPS: 'OVERLAPS'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.INDEX: 'INDEX'>, <TokenType.SINK: 'SINK'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.DATE: 'DATE'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, <TokenType.POINT: 'POINT'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.OVERWRITE: 'OVERWRITE'>, <TokenType.LOAD: 'LOAD'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.FILE_FORMAT: 'FILE_FORMAT'>, <TokenType.LINESTRING: 'LINESTRING'>, <TokenType.NAMESPACE: 'NAMESPACE'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.DATE32: 'DATE32'>, <TokenType.NEXT: 'NEXT'>, <TokenType.COMMIT: 'COMMIT'>, <TokenType.MAP: 'MAP'>, <TokenType.INET: 'INET'>, <TokenType.REFERENCES: 'REFERENCES'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.LIST: 'LIST'>, <TokenType.INT128: 'INT128'>, <TokenType.BEGIN: 'BEGIN'>, <TokenType.ALL: 'ALL'>, <TokenType.COPY: 'COPY'>, <TokenType.COLUMN: 'COLUMN'>, <TokenType.DYNAMIC: 'DYNAMIC'>, <TokenType.FALSE: 'FALSE'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.RING: 'RING'>, <TokenType.INT256: 'INT256'>, <TokenType.CONSTRAINT: 'CONSTRAINT'>, <TokenType.ASC: 'ASC'>, <TokenType.UNPIVOT: 'UNPIVOT'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.DICTIONARY: 'DICTIONARY'>, <TokenType.ORDINALITY: 'ORDINALITY'>, <TokenType.DESC: 'DESC'>, <TokenType.ROW: 'ROW'>, <TokenType.UPDATE: 'UPDATE'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.UINT256: 'UINT256'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.ROWS: 'ROWS'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.IPV4: 'IPV4'>, <TokenType.DIV: 'DIV'>, <TokenType.KEEP: 'KEEP'>, <TokenType.DELETE: 'DELETE'>, <TokenType.REFRESH: 'REFRESH'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.XML: 'XML'>, <TokenType.SETTINGS: 'SETTINGS'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.OPERATOR: 'OPERATOR'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.TEXT: 'TEXT'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.COMMENT: 'COMMENT'>, <TokenType.SET: 'SET'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.CHAR: 'CHAR'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.ROLLUP: 'ROLLUP'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.ESCAPE: 'ESCAPE'>, <TokenType.PIVOT: 'PIVOT'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.DETACH: 'DETACH'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.UINT128: 'UINT128'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.TRUE: 'TRUE'>, <TokenType.DATETIME2: 'DATETIME2'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.NESTED: 'NESTED'>, <TokenType.VAR: 'VAR'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.FILTER: 'FILTER'>, <TokenType.MONEY: 'MONEY'>, <TokenType.TIME: 'TIME'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.WAREHOUSE: 'WAREHOUSE'>, <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.BLOB: 'BLOB'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.UUID: 'UUID'>, <TokenType.PARTITION: 'PARTITION'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.END: 'END'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.PUT: 'PUT'>, <TokenType.MODEL: 'MODEL'>, <TokenType.IPV6: 'IPV6'>, <TokenType.SEMANTIC_VIEW: 'SEMANTIC_VIEW'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.POLYGON: 'POLYGON'>, <TokenType.INT: 'INT'>, <TokenType.CACHE: 'CACHE'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.PERCENT: 'PERCENT'>, <TokenType.TAG: 'TAG'>, <TokenType.MULTIPOLYGON: 'MULTIPOLYGON'>, <TokenType.UDOUBLE: 'UDOUBLE'>, <TokenType.NAME: 'NAME'>, <TokenType.STREAMLIT: 'STREAMLIT'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.DATETIME: 'DATETIME'>}
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_QUANTILES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxQuantiles'>>, 'APPROX_TOP_K': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxTopK'>>, 'APPROX_TOP_SUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxTopSum'>>, '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_FIRST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayFirst'>>, 'ARRAY_INTERSECT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayIntersect'>>, 'ARRAY_INTERSECTION': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayIntersect'>>, 'ARRAY_LAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayLast'>>, '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_REVERSE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayReverse'>>, '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_SLICE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySlice'>>, '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'>>, 'ASCII': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ascii'>>, 'AVG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Avg'>>, 'BIT_AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.BitwiseAndAgg'>>, 'BIT_COUNT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.BitwiseCountAgg'>>, 'BIT_OR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.BitwiseOrAgg'>>, 'BIT_XOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.BitwiseXorAgg'>>, 'BYTE_LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ByteLength'>>, '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>, 'CODE_POINTS_TO_BYTES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CodePointsToBytes'>>, 'CODE_POINTS_TO_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CodePointsToString'>>, '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'>>, 'CUME_DIST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CumeDist'>>, '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_TIMESTAMP_L_T_Z': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentTimestampLTZ'>>, '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_FROM_UNIX_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateFromUnixDate'>>, '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'>>, 'DECODE_CASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DecodeCase'>>, 'DENSE_RANK': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DenseRank'>>, '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'>>, 'ENDS_WITH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.EndsWith'>>, 'ENDSWITH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.EndsWith'>>, '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'>>, 'FARM_FINGERPRINT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FarmFingerprint'>>, 'FARMFINGERPRINT64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FarmFingerprint'>>, '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'>>, 'FLOAT64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Float64'>>, 'FLOOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Floor'>>, 'FORMAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NumberToStr'>>, 'FROM_BASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromBase'>>, 'FROM_BASE32': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromBase32'>>, '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_EMBEDDING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateEmbedding'>>, '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'>>, 'GET_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GetExtract'>>, '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'>>, 'GROUPING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Grouping'>>, '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_APPEND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayAppend'>>, 'JSON_ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayContains'>>, 'JSON_ARRAY_INSERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayInsert'>>, '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_BOOL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBool'>>, '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_KEYS_AT_DEPTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONKeysAtDepth'>>, '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'>>, 'JSON_REMOVE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONRemove'>>, 'JSON_SET': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONSet'>>, 'JSON_STRIP_NULLS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONStripNulls'>>, 'J_S_O_N_TABLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONTable'>>, 'JSON_TYPE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONType'>>, 'J_S_O_N_VALUE_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONValueArray'>>, 'JUSTIFY_DAYS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JustifyDays'>>, 'JUSTIFY_HOURS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JustifyHours'>>, 'JUSTIFY_INTERVAL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JustifyInterval'>>, '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'>>, 'LAX_BOOL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LaxBool'>>, 'LAX_FLOAT64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LaxFloat64'>>, 'LAX_INT64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LaxInt64'>>, 'LAX_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LaxString'>>, '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'>>, 'NTILE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ntile'>>, '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_BIGNUMERIC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParseBignumeric'>>, 'PARSE_DATETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParseDatetime'>>, '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'>>, 'PARSE_NUMERIC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParseNumeric'>>, 'PARSE_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParseTime'>>, 'PERCENT_RANK': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PercentRank'>>, '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'>>, 'RANK': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Rank'>>, '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_INSTR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpInstr'>>, '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'>>, 'REPLACE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Replace'>>, 'REVERSE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Reverse'>>, '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_CONVERT_BYTES_TO_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SafeConvertBytesToString'>>, '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'>>, 'SOUNDEX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Soundex'>>, 'SPACE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Space'>>, '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'>>, 'ST_DISTANCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StDistance'>>, 'ST_POINT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StPoint'>>, 'ST_MAKEPOINT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StPoint'>>, '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'>>, 'SUBSTRING_INDEX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SubstringIndex'>>, '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_BASE32': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToBase32'>>, '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_CODE_POINTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToCodePoints'>>, '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'>>, 'TRANSLATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Translate'>>, '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'>>, 'TYPEOF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Typeof'>>, '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_MICROS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixMicros'>>, 'UNIX_MILLIS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixMillis'>>, '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'>>, 'VECTOR_SEARCH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VectorSearch'>>, '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>, '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>>, '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.REVOKE: 'REVOKE'>: <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 = {'PRIMARY KEY', 'SPATIAL', 'CHECK', 'TRUNCATE', 'INDEX', 'WATERMARK', 'FULLTEXT', 'BUCKET', 'KEY', 'PERIOD', 'FOREIGN KEY', 'EXCLUDE', 'UNIQUE', '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.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.GEOGRAPHYPOINT: 'GEOGRAPHYPOINT'>, <TokenType.LIST: 'LIST'>, <TokenType.INT128: 'INT128'>, <TokenType.DYNAMIC: 'DYNAMIC'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.RING: 'RING'>, <TokenType.INT256: 'INT256'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.UINT256: 'UINT256'>, <TokenType.YEAR: 'YEAR'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.BIT: 'BIT'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.IPV4: 'IPV4'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.JSONB: 'JSONB'>, <TokenType.VOID: 'VOID'>, <TokenType.ENUM: 'ENUM'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.XML: 'XML'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.TEXT: 'TEXT'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.SET: 'SET'>, <TokenType.CHAR: 'CHAR'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.MULTILINESTRING: 'MULTILINESTRING'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.NOTHING: 'NOTHING'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.RANGE: 'RANGE'>, <TokenType.UINT128: 'UINT128'>, <TokenType.SMALLDATETIME: 'SMALLDATETIME'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.DATETIME2: 'DATETIME2'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.NESTED: 'NESTED'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.UNION: 'UNION'>, <TokenType.DECIMAL256: 'DECIMAL256'>, <TokenType.UINT: 'UINT'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.MONEY: 'MONEY'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.TIME: 'TIME'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.BINARY: 'BINARY'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.JSON: 'JSON'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.BLOB: 'BLOB'>, <TokenType.SUPER: 'SUPER'>, <TokenType.NULL: 'NULL'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.UUID: 'UUID'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.DATE: 'DATE'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.IPV6: 'IPV6'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.POLYGON: 'POLYGON'>, <TokenType.POINT: 'POINT'>, <TokenType.INT: 'INT'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.LINESTRING: 'LINESTRING'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.DATE32: 'DATE32'>, <TokenType.MULTIPOLYGON: 'MULTIPOLYGON'>, <TokenType.UDOUBLE: 'UDOUBLE'>, <TokenType.NAME: 'NAME'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.MAP: 'MAP'>, <TokenType.INET: 'INET'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.USMALLINT: 'USMALLINT'>}
ENUM_TYPE_TOKENS = {<TokenType.ENUM8: 'ENUM8'>, <TokenType.DYNAMIC: 'DYNAMIC'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.ENUM: 'ENUM'>, <TokenType.SET: 'SET'>}
OPERATION_MODIFIERS = {'SQL_BIG_RESULT', 'SQL_CALC_FOUND_ROWS', 'SQL_BUFFER_RESULT', 'HIGH_PRIORITY', 'SQL_SMALL_RESULT', 'STRAIGHT_JOIN', '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
CAST_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
QUERY_MODIFIER_TOKENS
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
ALTER_RENAME_REQUIRES_COLUMN
JOINS_HAVE_EQUAL_PRECEDENCE
ZONE_AWARE_TIMESTAMP_CONSTRUCTOR
MAP_KEYS_ARE_ARBITRARY_EXPRESSIONS
JSON_EXTRACT_REQUIRES_JSON_EXPRESSION
error_level
error_message_context
max_errors
dialect
reset
parse
parse_into
check_errors
raise_error
expression
validate_expression
parse_set_operation
build_cast
errors
sql
class MySQL.Generator(sqlglot.generator.Generator):
 692    class Generator(generator.Generator):
 693        INTERVAL_ALLOWS_PLURAL_FORM = False
 694        LOCKING_READS_SUPPORTED = True
 695        NULL_ORDERING_SUPPORTED = None
 696        JOIN_HINTS = False
 697        TABLE_HINTS = True
 698        DUPLICATE_KEY_UPDATE_WITH_SET = False
 699        QUERY_HINT_SEP = " "
 700        VALUES_AS_TABLE = False
 701        NVL2_SUPPORTED = False
 702        LAST_DAY_SUPPORTS_DATE_PART = False
 703        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
 704        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
 705        JSON_KEY_VALUE_PAIR_SEP = ","
 706        SUPPORTS_TO_NUMBER = False
 707        PARSE_JSON_NAME: t.Optional[str] = None
 708        PAD_FILL_PATTERN_IS_REQUIRED = True
 709        WRAP_DERIVED_VALUES = False
 710        VARCHAR_REQUIRES_SIZE = True
 711        SUPPORTS_MEDIAN = False
 712
 713        TRANSFORMS = {
 714            **generator.Generator.TRANSFORMS,
 715            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
 716            exp.CurrentDate: no_paren_current_date_sql,
 717            exp.DateDiff: _remove_ts_or_ds_to_date(
 718                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
 719            ),
 720            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
 721            exp.DateStrToDate: datestrtodate_sql,
 722            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
 723            exp.DateTrunc: _date_trunc_sql,
 724            exp.Day: _remove_ts_or_ds_to_date(),
 725            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
 726            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
 727            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
 728            exp.GroupConcat: lambda self,
 729            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
 730            exp.ILike: no_ilike_sql,
 731            exp.JSONExtractScalar: arrow_json_extract_sql,
 732            exp.Length: length_or_char_length_sql,
 733            exp.LogicalOr: rename_func("MAX"),
 734            exp.LogicalAnd: rename_func("MIN"),
 735            exp.Max: max_or_greatest,
 736            exp.Min: min_or_least,
 737            exp.Month: _remove_ts_or_ds_to_date(),
 738            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
 739            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
 740            exp.NumberToStr: rename_func("FORMAT"),
 741            exp.Pivot: no_pivot_sql,
 742            exp.Select: transforms.preprocess(
 743                [
 744                    transforms.eliminate_distinct_on,
 745                    transforms.eliminate_semi_and_anti_joins,
 746                    transforms.eliminate_qualify,
 747                    transforms.eliminate_full_outer_join,
 748                    transforms.unnest_generate_date_array_using_recursive_cte,
 749                ]
 750            ),
 751            exp.StrPosition: lambda self, e: strposition_sql(
 752                self, e, func_name="LOCATE", supports_position=True
 753            ),
 754            exp.StrToDate: _str_to_date_sql,
 755            exp.StrToTime: _str_to_date_sql,
 756            exp.Stuff: rename_func("INSERT"),
 757            exp.TableSample: no_tablesample_sql,
 758            exp.TimeFromParts: rename_func("MAKETIME"),
 759            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
 760            exp.TimestampDiff: lambda self, e: self.func(
 761                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
 762            ),
 763            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
 764            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
 765            exp.TimeStrToTime: lambda self, e: timestrtotime_sql(
 766                self,
 767                e,
 768                include_precision=not e.args.get("zone"),
 769            ),
 770            exp.TimeToStr: _remove_ts_or_ds_to_date(
 771                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
 772            ),
 773            exp.Trim: trim_sql,
 774            exp.TryCast: no_trycast_sql,
 775            exp.TsOrDsAdd: date_add_sql("ADD"),
 776            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
 777            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
 778            exp.Unicode: lambda self, e: f"ORD(CONVERT({self.sql(e.this)} USING utf32))",
 779            exp.UnixToTime: _unix_to_time_sql,
 780            exp.Week: _remove_ts_or_ds_to_date(),
 781            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
 782            exp.Year: _remove_ts_or_ds_to_date(),
 783        }
 784
 785        UNSIGNED_TYPE_MAPPING = {
 786            exp.DataType.Type.UBIGINT: "BIGINT",
 787            exp.DataType.Type.UINT: "INT",
 788            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
 789            exp.DataType.Type.USMALLINT: "SMALLINT",
 790            exp.DataType.Type.UTINYINT: "TINYINT",
 791            exp.DataType.Type.UDECIMAL: "DECIMAL",
 792            exp.DataType.Type.UDOUBLE: "DOUBLE",
 793        }
 794
 795        TIMESTAMP_TYPE_MAPPING = {
 796            exp.DataType.Type.DATETIME2: "DATETIME",
 797            exp.DataType.Type.SMALLDATETIME: "DATETIME",
 798            exp.DataType.Type.TIMESTAMP: "DATETIME",
 799            exp.DataType.Type.TIMESTAMPNTZ: "DATETIME",
 800            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
 801            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
 802        }
 803
 804        TYPE_MAPPING = {
 805            **generator.Generator.TYPE_MAPPING,
 806            **UNSIGNED_TYPE_MAPPING,
 807            **TIMESTAMP_TYPE_MAPPING,
 808        }
 809
 810        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
 811        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
 812        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
 813        TYPE_MAPPING.pop(exp.DataType.Type.BLOB)
 814        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
 815        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
 816        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
 817
 818        PROPERTIES_LOCATION = {
 819            **generator.Generator.PROPERTIES_LOCATION,
 820            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
 821            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
 822        }
 823
 824        LIMIT_FETCH = "LIMIT"
 825
 826        LIMIT_ONLY_LITERALS = True
 827
 828        CHAR_CAST_MAPPING = dict.fromkeys(
 829            (
 830                exp.DataType.Type.LONGTEXT,
 831                exp.DataType.Type.LONGBLOB,
 832                exp.DataType.Type.MEDIUMBLOB,
 833                exp.DataType.Type.MEDIUMTEXT,
 834                exp.DataType.Type.TEXT,
 835                exp.DataType.Type.TINYBLOB,
 836                exp.DataType.Type.TINYTEXT,
 837                exp.DataType.Type.VARCHAR,
 838            ),
 839            "CHAR",
 840        )
 841        SIGNED_CAST_MAPPING = dict.fromkeys(
 842            (
 843                exp.DataType.Type.BIGINT,
 844                exp.DataType.Type.BOOLEAN,
 845                exp.DataType.Type.INT,
 846                exp.DataType.Type.SMALLINT,
 847                exp.DataType.Type.TINYINT,
 848                exp.DataType.Type.MEDIUMINT,
 849            ),
 850            "SIGNED",
 851        )
 852
 853        # MySQL doesn't support many datatypes in cast.
 854        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
 855        CAST_MAPPING = {
 856            **CHAR_CAST_MAPPING,
 857            **SIGNED_CAST_MAPPING,
 858            exp.DataType.Type.UBIGINT: "UNSIGNED",
 859        }
 860
 861        TIMESTAMP_FUNC_TYPES = {
 862            exp.DataType.Type.TIMESTAMPTZ,
 863            exp.DataType.Type.TIMESTAMPLTZ,
 864        }
 865
 866        # https://dev.mysql.com/doc/refman/8.0/en/keywords.html
 867        RESERVED_KEYWORDS = {
 868            "accessible",
 869            "add",
 870            "all",
 871            "alter",
 872            "analyze",
 873            "and",
 874            "as",
 875            "asc",
 876            "asensitive",
 877            "before",
 878            "between",
 879            "bigint",
 880            "binary",
 881            "blob",
 882            "both",
 883            "by",
 884            "call",
 885            "cascade",
 886            "case",
 887            "change",
 888            "char",
 889            "character",
 890            "check",
 891            "collate",
 892            "column",
 893            "condition",
 894            "constraint",
 895            "continue",
 896            "convert",
 897            "create",
 898            "cross",
 899            "cube",
 900            "cume_dist",
 901            "current_date",
 902            "current_time",
 903            "current_timestamp",
 904            "current_user",
 905            "cursor",
 906            "database",
 907            "databases",
 908            "day_hour",
 909            "day_microsecond",
 910            "day_minute",
 911            "day_second",
 912            "dec",
 913            "decimal",
 914            "declare",
 915            "default",
 916            "delayed",
 917            "delete",
 918            "dense_rank",
 919            "desc",
 920            "describe",
 921            "deterministic",
 922            "distinct",
 923            "distinctrow",
 924            "div",
 925            "double",
 926            "drop",
 927            "dual",
 928            "each",
 929            "else",
 930            "elseif",
 931            "empty",
 932            "enclosed",
 933            "escaped",
 934            "except",
 935            "exists",
 936            "exit",
 937            "explain",
 938            "false",
 939            "fetch",
 940            "first_value",
 941            "float",
 942            "float4",
 943            "float8",
 944            "for",
 945            "force",
 946            "foreign",
 947            "from",
 948            "fulltext",
 949            "function",
 950            "generated",
 951            "get",
 952            "grant",
 953            "group",
 954            "grouping",
 955            "groups",
 956            "having",
 957            "high_priority",
 958            "hour_microsecond",
 959            "hour_minute",
 960            "hour_second",
 961            "if",
 962            "ignore",
 963            "in",
 964            "index",
 965            "infile",
 966            "inner",
 967            "inout",
 968            "insensitive",
 969            "insert",
 970            "int",
 971            "int1",
 972            "int2",
 973            "int3",
 974            "int4",
 975            "int8",
 976            "integer",
 977            "intersect",
 978            "interval",
 979            "into",
 980            "io_after_gtids",
 981            "io_before_gtids",
 982            "is",
 983            "iterate",
 984            "join",
 985            "json_table",
 986            "key",
 987            "keys",
 988            "kill",
 989            "lag",
 990            "last_value",
 991            "lateral",
 992            "lead",
 993            "leading",
 994            "leave",
 995            "left",
 996            "like",
 997            "limit",
 998            "linear",
 999            "lines",
1000            "load",
1001            "localtime",
1002            "localtimestamp",
1003            "lock",
1004            "long",
1005            "longblob",
1006            "longtext",
1007            "loop",
1008            "low_priority",
1009            "master_bind",
1010            "master_ssl_verify_server_cert",
1011            "match",
1012            "maxvalue",
1013            "mediumblob",
1014            "mediumint",
1015            "mediumtext",
1016            "middleint",
1017            "minute_microsecond",
1018            "minute_second",
1019            "mod",
1020            "modifies",
1021            "natural",
1022            "not",
1023            "no_write_to_binlog",
1024            "nth_value",
1025            "ntile",
1026            "null",
1027            "numeric",
1028            "of",
1029            "on",
1030            "optimize",
1031            "optimizer_costs",
1032            "option",
1033            "optionally",
1034            "or",
1035            "order",
1036            "out",
1037            "outer",
1038            "outfile",
1039            "over",
1040            "partition",
1041            "percent_rank",
1042            "precision",
1043            "primary",
1044            "procedure",
1045            "purge",
1046            "range",
1047            "rank",
1048            "read",
1049            "reads",
1050            "read_write",
1051            "real",
1052            "recursive",
1053            "references",
1054            "regexp",
1055            "release",
1056            "rename",
1057            "repeat",
1058            "replace",
1059            "require",
1060            "resignal",
1061            "restrict",
1062            "return",
1063            "revoke",
1064            "right",
1065            "rlike",
1066            "row",
1067            "rows",
1068            "row_number",
1069            "schema",
1070            "schemas",
1071            "second_microsecond",
1072            "select",
1073            "sensitive",
1074            "separator",
1075            "set",
1076            "show",
1077            "signal",
1078            "smallint",
1079            "spatial",
1080            "specific",
1081            "sql",
1082            "sqlexception",
1083            "sqlstate",
1084            "sqlwarning",
1085            "sql_big_result",
1086            "sql_calc_found_rows",
1087            "sql_small_result",
1088            "ssl",
1089            "starting",
1090            "stored",
1091            "straight_join",
1092            "system",
1093            "table",
1094            "terminated",
1095            "then",
1096            "tinyblob",
1097            "tinyint",
1098            "tinytext",
1099            "to",
1100            "trailing",
1101            "trigger",
1102            "true",
1103            "undo",
1104            "union",
1105            "unique",
1106            "unlock",
1107            "unsigned",
1108            "update",
1109            "usage",
1110            "use",
1111            "using",
1112            "utc_date",
1113            "utc_time",
1114            "utc_timestamp",
1115            "values",
1116            "varbinary",
1117            "varchar",
1118            "varcharacter",
1119            "varying",
1120            "virtual",
1121            "when",
1122            "where",
1123            "while",
1124            "window",
1125            "with",
1126            "write",
1127            "xor",
1128            "year_month",
1129            "zerofill",
1130        }
1131
1132        def computedcolumnconstraint_sql(self, expression: exp.ComputedColumnConstraint) -> str:
1133            persisted = "STORED" if expression.args.get("persisted") else "VIRTUAL"
1134            return f"GENERATED ALWAYS AS ({self.sql(expression.this.unnest())}) {persisted}"
1135
1136        def array_sql(self, expression: exp.Array) -> str:
1137            self.unsupported("Arrays are not supported by MySQL")
1138            return self.function_fallback_sql(expression)
1139
1140        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1141            self.unsupported("Array operations are not supported by MySQL")
1142            return self.function_fallback_sql(expression)
1143
1144        def dpipe_sql(self, expression: exp.DPipe) -> str:
1145            return self.func("CONCAT", *expression.flatten())
1146
1147        def extract_sql(self, expression: exp.Extract) -> str:
1148            unit = expression.name
1149            if unit and unit.lower() == "epoch":
1150                return self.func("UNIX_TIMESTAMP", expression.expression)
1151
1152            return super().extract_sql(expression)
1153
1154        def datatype_sql(self, expression: exp.DataType) -> str:
1155            if (
1156                self.VARCHAR_REQUIRES_SIZE
1157                and expression.is_type(exp.DataType.Type.VARCHAR)
1158                and not expression.expressions
1159            ):
1160                # `VARCHAR` must always have a size - if it doesn't, we always generate `TEXT`
1161                return "TEXT"
1162
1163            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1164            result = super().datatype_sql(expression)
1165            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1166                result = f"{result} UNSIGNED"
1167
1168            return result
1169
1170        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1171            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
1172
1173        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1174            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1175                return self.func("TIMESTAMP", expression.this)
1176
1177            to = self.CAST_MAPPING.get(expression.to.this)
1178
1179            if to:
1180                expression.to.set("this", to)
1181            return super().cast_sql(expression)
1182
1183        def show_sql(self, expression: exp.Show) -> str:
1184            this = f" {expression.name}"
1185            full = " FULL" if expression.args.get("full") else ""
1186            global_ = " GLOBAL" if expression.args.get("global") else ""
1187
1188            target = self.sql(expression, "target")
1189            target = f" {target}" if target else ""
1190            if expression.name in ("COLUMNS", "INDEX"):
1191                target = f" FROM{target}"
1192            elif expression.name == "GRANTS":
1193                target = f" FOR{target}"
1194
1195            db = self._prefixed_sql("FROM", expression, "db")
1196
1197            like = self._prefixed_sql("LIKE", expression, "like")
1198            where = self.sql(expression, "where")
1199
1200            types = self.expressions(expression, key="types")
1201            types = f" {types}" if types else types
1202            query = self._prefixed_sql("FOR QUERY", expression, "query")
1203
1204            if expression.name == "PROFILE":
1205                offset = self._prefixed_sql("OFFSET", expression, "offset")
1206                limit = self._prefixed_sql("LIMIT", expression, "limit")
1207            else:
1208                offset = ""
1209                limit = self._oldstyle_limit_sql(expression)
1210
1211            log = self._prefixed_sql("IN", expression, "log")
1212            position = self._prefixed_sql("FROM", expression, "position")
1213
1214            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1215
1216            if expression.name == "ENGINE":
1217                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1218            else:
1219                mutex_or_status = ""
1220
1221            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
1222
1223        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1224            dtype = self.sql(expression, "dtype")
1225            if not dtype:
1226                return super().altercolumn_sql(expression)
1227
1228            this = self.sql(expression, "this")
1229            return f"MODIFY COLUMN {this} {dtype}"
1230
1231        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
1232            sql = self.sql(expression, arg)
1233            return f" {prefix} {sql}" if sql else ""
1234
1235        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
1236            limit = self.sql(expression, "limit")
1237            offset = self.sql(expression, "offset")
1238            if limit:
1239                limit_offset = f"{offset}, {limit}" if offset else limit
1240                return f" LIMIT {limit_offset}"
1241            return ""
1242
1243        def chr_sql(self, expression: exp.Chr) -> str:
1244            this = self.expressions(sqls=[expression.this] + expression.expressions)
1245            charset = expression.args.get("charset")
1246            using = f" USING {self.sql(charset)}" if charset else ""
1247            return f"CHAR({this}{using})"
1248
1249        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1250            unit = expression.args.get("unit")
1251
1252            # Pick an old-enough date to avoid negative timestamp diffs
1253            start_ts = "'0000-01-01 00:00:00'"
1254
1255            # Source: https://stackoverflow.com/a/32955740
1256            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1257            interval = exp.Interval(this=timestamp_diff, unit=unit)
1258            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1259
1260            return self.sql(dateadd)
1261
1262        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1263            from_tz = expression.args.get("source_tz")
1264            to_tz = expression.args.get("target_tz")
1265            dt = expression.args.get("timestamp")
1266
1267            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
1268
1269        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1270            self.unsupported("AT TIME ZONE is not supported by MySQL")
1271            return self.sql(expression.this)
1272
1273        def isascii_sql(self, expression: exp.IsAscii) -> str:
1274            return f"REGEXP_LIKE({self.sql(expression.this)}, '^[[:ascii:]]*$')"
1275
1276        @unsupported_args("this")
1277        def currentschema_sql(self, expression: exp.CurrentSchema) -> str:
1278            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.PositionalColumn'>: <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.TableColumn'>: <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.WeekStart'>: <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 = {'varcharacter', 'cascade', 'lead', 'ntile', 'enclosed', 'option', 'leave', 'schema', 'exists', 'case', 'day_hour', 'convert', 'mod', 'unique', 'drop', 'sqlstate', 'master_bind', 'schemas', 'int', 'cross', 'match', 'lateral', 'read', 'varbinary', 'float8', 'fetch', 'system', 'using', 'float', 'maxvalue', 'union', 'first_value', 'left', 'index', 'real', 'both', 'force', 'regexp', 'over', 'row', 'sqlwarning', 'hour_microsecond', 'modifies', 'outer', 'default', 'tinyblob', 'terminated', 'delete', 'show', 'update', 'null', 'optimize', 'repeat', 'lines', 'int2', 'tinytext', 'escaped', 'io_before_gtids', 'database', 'read_write', 'procedure', 'in', 'else', 'where', 'false', 'constraint', 'between', 'if', 'mediumblob', 'infile', 'int3', 'lag', 'foreign', 'straight_join', 'starting', 'bigint', 'except', 'ignore', 'second_microsecond', 'year_month', 'with', 'tinyint', 'grant', 'set', 'undo', 'window', 'xor', 'release', 'specific', 'on', 'column', 'insensitive', 'right', 'leading', 'fulltext', 'stored', 'insert', 'primary', 'longtext', 'cube', 'range', 'call', 'function', 'inout', 'binary', 'all', 'int8', 'limit', 'write', 'load', 'long', 'double', 'loop', 'is', 'separator', 'rows', 'middleint', 'reads', 'current_user', 'char', 'exit', 'describe', 'add', 'precision', 'inner', 'dense_rank', 'declare', 'optionally', 'generated', 'grouping', 'like', 'smallint', 'replace', 'sql_small_result', 'row_number', 'current_timestamp', 'use', 'select', 'current_time', 'distinct', 'lock', 'cursor', 'analyze', 'numeric', 'utc_time', 'change', 'character', 'utc_date', 'get', 'return', 'trailing', 'sensitive', 'databases', 'varying', 'intersect', 'references', 'accessible', 'elseif', 'unsigned', 'spatial', 'or', 'require', 'io_after_gtids', 'zerofill', 'join', 'unlock', 'and', 'hour_second', 'to', 'ssl', 'virtual', 'out', 'mediumint', 'values', 'localtime', 'signal', 'alter', 'day_microsecond', 'hour_minute', 'empty', 'true', 'float4', 'varchar', 'int4', 'distinctrow', 'last_value', 'table', 'of', 'restrict', 'continue', 'purge', 'blob', 'linear', 'dec', 'from', 'rank', 'sql', 'asensitive', 'keys', 'dual', 'iterate', 'resignal', 'each', 'key', 'current_date', 'master_ssl_verify_server_cert', 'revoke', 'rlike', 'condition', 'not', 'order', 'kill', 'collate', 'low_priority', 'partition', 'nth_value', 'sql_big_result', 'when', 'sql_calc_found_rows', 'by', 'natural', 'mediumtext', 'delayed', 'explain', 'as', 'no_write_to_binlog', 'div', 'longblob', 'day_second', 'localtimestamp', 'high_priority', 'create', 'trigger', 'group', 'minute_second', 'into', 'decimal', 'utc_timestamp', 'optimizer_costs', 'day_minute', 'asc', 'usage', 'minute_microsecond', 'before', 'groups', 'desc', 'int1', 'json_table', 'while', 'interval', 'outfile', 'sqlexception', 'then', 'cume_dist', 'check', 'recursive', 'percent_rank', 'deterministic', 'rename', 'having', 'integer', 'for'}
def computedcolumnconstraint_sql(self, expression: sqlglot.expressions.ComputedColumnConstraint) -> str:
1132        def computedcolumnconstraint_sql(self, expression: exp.ComputedColumnConstraint) -> str:
1133            persisted = "STORED" if expression.args.get("persisted") else "VIRTUAL"
1134            return f"GENERATED ALWAYS AS ({self.sql(expression.this.unnest())}) {persisted}"
def array_sql(self, expression: sqlglot.expressions.Array) -> str:
1136        def array_sql(self, expression: exp.Array) -> str:
1137            self.unsupported("Arrays are not supported by MySQL")
1138            return self.function_fallback_sql(expression)
def arraycontainsall_sql(self, expression: sqlglot.expressions.ArrayContainsAll) -> str:
1140        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1141            self.unsupported("Array operations are not supported by MySQL")
1142            return self.function_fallback_sql(expression)
def dpipe_sql(self, expression: sqlglot.expressions.DPipe) -> str:
1144        def dpipe_sql(self, expression: exp.DPipe) -> str:
1145            return self.func("CONCAT", *expression.flatten())
def extract_sql(self, expression: sqlglot.expressions.Extract) -> str:
1147        def extract_sql(self, expression: exp.Extract) -> str:
1148            unit = expression.name
1149            if unit and unit.lower() == "epoch":
1150                return self.func("UNIX_TIMESTAMP", expression.expression)
1151
1152            return super().extract_sql(expression)
def datatype_sql(self, expression: sqlglot.expressions.DataType) -> str:
1154        def datatype_sql(self, expression: exp.DataType) -> str:
1155            if (
1156                self.VARCHAR_REQUIRES_SIZE
1157                and expression.is_type(exp.DataType.Type.VARCHAR)
1158                and not expression.expressions
1159            ):
1160                # `VARCHAR` must always have a size - if it doesn't, we always generate `TEXT`
1161                return "TEXT"
1162
1163            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1164            result = super().datatype_sql(expression)
1165            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1166                result = f"{result} UNSIGNED"
1167
1168            return result
def jsonarraycontains_sql(self, expression: sqlglot.expressions.JSONArrayContains) -> str:
1170        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1171            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:
1173        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1174            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1175                return self.func("TIMESTAMP", expression.this)
1176
1177            to = self.CAST_MAPPING.get(expression.to.this)
1178
1179            if to:
1180                expression.to.set("this", to)
1181            return super().cast_sql(expression)
def show_sql(self, expression: sqlglot.expressions.Show) -> str:
1183        def show_sql(self, expression: exp.Show) -> str:
1184            this = f" {expression.name}"
1185            full = " FULL" if expression.args.get("full") else ""
1186            global_ = " GLOBAL" if expression.args.get("global") else ""
1187
1188            target = self.sql(expression, "target")
1189            target = f" {target}" if target else ""
1190            if expression.name in ("COLUMNS", "INDEX"):
1191                target = f" FROM{target}"
1192            elif expression.name == "GRANTS":
1193                target = f" FOR{target}"
1194
1195            db = self._prefixed_sql("FROM", expression, "db")
1196
1197            like = self._prefixed_sql("LIKE", expression, "like")
1198            where = self.sql(expression, "where")
1199
1200            types = self.expressions(expression, key="types")
1201            types = f" {types}" if types else types
1202            query = self._prefixed_sql("FOR QUERY", expression, "query")
1203
1204            if expression.name == "PROFILE":
1205                offset = self._prefixed_sql("OFFSET", expression, "offset")
1206                limit = self._prefixed_sql("LIMIT", expression, "limit")
1207            else:
1208                offset = ""
1209                limit = self._oldstyle_limit_sql(expression)
1210
1211            log = self._prefixed_sql("IN", expression, "log")
1212            position = self._prefixed_sql("FROM", expression, "position")
1213
1214            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1215
1216            if expression.name == "ENGINE":
1217                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1218            else:
1219                mutex_or_status = ""
1220
1221            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:
1223        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1224            dtype = self.sql(expression, "dtype")
1225            if not dtype:
1226                return super().altercolumn_sql(expression)
1227
1228            this = self.sql(expression, "this")
1229            return f"MODIFY COLUMN {this} {dtype}"
def chr_sql(self, expression: sqlglot.expressions.Chr) -> str:
1243        def chr_sql(self, expression: exp.Chr) -> str:
1244            this = self.expressions(sqls=[expression.this] + expression.expressions)
1245            charset = expression.args.get("charset")
1246            using = f" USING {self.sql(charset)}" if charset else ""
1247            return f"CHAR({this}{using})"
def timestamptrunc_sql(self, expression: sqlglot.expressions.TimestampTrunc) -> str:
1249        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1250            unit = expression.args.get("unit")
1251
1252            # Pick an old-enough date to avoid negative timestamp diffs
1253            start_ts = "'0000-01-01 00:00:00'"
1254
1255            # Source: https://stackoverflow.com/a/32955740
1256            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1257            interval = exp.Interval(this=timestamp_diff, unit=unit)
1258            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1259
1260            return self.sql(dateadd)
def converttimezone_sql(self, expression: sqlglot.expressions.ConvertTimezone) -> str:
1262        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1263            from_tz = expression.args.get("source_tz")
1264            to_tz = expression.args.get("target_tz")
1265            dt = expression.args.get("timestamp")
1266
1267            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
def attimezone_sql(self, expression: sqlglot.expressions.AtTimeZone) -> str:
1269        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1270            self.unsupported("AT TIME ZONE is not supported by MySQL")
1271            return self.sql(expression.this)
def isascii_sql(self, expression: sqlglot.expressions.IsAscii) -> str:
1273        def isascii_sql(self, expression: exp.IsAscii) -> str:
1274            return f"REGEXP_LIKE({self.sql(expression.this)}, '^[[:ascii:]]*$')"
@unsupported_args('this')
def currentschema_sql(self, expression: sqlglot.expressions.CurrentSchema) -> str:
1276        @unsupported_args("this")
1277        def currentschema_sql(self, expression: exp.CurrentSchema) -> str:
1278            return self.func("SCHEMA")
SELECT_KINDS: Tuple[str, ...] = ()
TRY_SUPPORTED = False
SUPPORTS_UESCAPE = False
SUPPORTS_DECODE_CASE = 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
NORMALIZE_EXTRACT_DATE_PARTS
ARRAY_SIZE_NAME
ALTER_SET_TYPE
ARRAY_SIZE_DIM_REQUIRED
SUPPORTS_BETWEEN_FLAGS
SUPPORTS_LIKE_QUANTIFIERS
UNSUPPORTED_TYPES
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
SAFE_JSON_PATH_KEY_RE
SENTINEL_LINE_BREAK
pretty
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sep
seg
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wrap
no_identify
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columndef_sql
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autoincrementcolumnconstraint_sql
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generatedasidentitycolumnconstraint_sql
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lockingproperty_sql
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insert_sql
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kill_sql
pseudotype_sql
objectidentifier_sql
onconflict_sql
returning_sql
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historicaldata_sql
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table_sql
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star_sql
parameter_sql
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placeholder_sql
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unnest_sql
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trim_sql
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check_sql
foreignkey_sql
primarykey_sql
if_sql
matchagainst_sql
jsonkeyvalue_sql
jsonpath_sql
json_path_part
formatjson_sql
formatphrase_sql
jsonobject_sql
jsonobjectagg_sql
jsonarray_sql
jsonarrayagg_sql
jsoncolumndef_sql
jsonschema_sql
jsontable_sql
openjsoncolumndef_sql
openjson_sql
in_sql
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interval_sql
return_sql
reference_sql
anonymous_sql
paren_sql
neg_sql
not_sql
alias_sql
pivotalias_sql
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atindex_sql
fromtimezone_sql
add_sql
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xor_sql
connector_sql
bitwiseand_sql
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add_column_sql
droppartition_sql
addconstraint_sql
addpartition_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
is_sql
like_sql
ilike_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
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anyvalue_sql
querytransform_sql
indexconstraintoption_sql
checkcolumnconstraint_sql
indexcolumnconstraint_sql
nvl2_sql
comprehension_sql
columnprefix_sql
opclass_sql
predict_sql
generateembedding_sql
featuresattime_sql
vectorsearch_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
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parsejson_sql
rand_sql
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arrayconcat_sql
json_sql
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conditionalinsert_sql
multitableinserts_sql
oncondition_sql
jsonextractquote_sql
jsonexists_sql
arrayagg_sql
apply_sql
grant_sql
revoke_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
watermarkcolumnconstraint_sql
encodeproperty_sql
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xmlelement_sql
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