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sqlglot.dialects.mysql

   1from __future__ import annotations
   2
   3import typing as t
   4
   5from sqlglot import exp, generator, parser, tokens, transforms
   6from sqlglot.dialects.dialect import (
   7    Dialect,
   8    NormalizationStrategy,
   9    arrow_json_extract_sql,
  10    date_add_interval_sql,
  11    datestrtodate_sql,
  12    build_formatted_time,
  13    isnull_to_is_null,
  14    locate_to_strposition,
  15    max_or_greatest,
  16    min_or_least,
  17    no_ilike_sql,
  18    no_paren_current_date_sql,
  19    no_pivot_sql,
  20    no_tablesample_sql,
  21    no_trycast_sql,
  22    build_date_delta,
  23    build_date_delta_with_interval,
  24    rename_func,
  25    strposition_to_locate_sql,
  26    unit_to_var,
  27    trim_sql,
  28    timestrtotime_sql,
  29)
  30from sqlglot.helper import seq_get
  31from sqlglot.tokens import TokenType
  32
  33
  34def _show_parser(*args: t.Any, **kwargs: t.Any) -> t.Callable[[MySQL.Parser], exp.Show]:
  35    def _parse(self: MySQL.Parser) -> exp.Show:
  36        return self._parse_show_mysql(*args, **kwargs)
  37
  38    return _parse
  39
  40
  41def _date_trunc_sql(self: MySQL.Generator, expression: exp.DateTrunc) -> str:
  42    expr = self.sql(expression, "this")
  43    unit = expression.text("unit").upper()
  44
  45    if unit == "WEEK":
  46        concat = f"CONCAT(YEAR({expr}), ' ', WEEK({expr}, 1), ' 1')"
  47        date_format = "%Y %u %w"
  48    elif unit == "MONTH":
  49        concat = f"CONCAT(YEAR({expr}), ' ', MONTH({expr}), ' 1')"
  50        date_format = "%Y %c %e"
  51    elif unit == "QUARTER":
  52        concat = f"CONCAT(YEAR({expr}), ' ', QUARTER({expr}) * 3 - 2, ' 1')"
  53        date_format = "%Y %c %e"
  54    elif unit == "YEAR":
  55        concat = f"CONCAT(YEAR({expr}), ' 1 1')"
  56        date_format = "%Y %c %e"
  57    else:
  58        if unit != "DAY":
  59            self.unsupported(f"Unexpected interval unit: {unit}")
  60        return self.func("DATE", expr)
  61
  62    return self.func("STR_TO_DATE", concat, f"'{date_format}'")
  63
  64
  65# All specifiers for time parts (as opposed to date parts)
  66# https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html#function_date-format
  67TIME_SPECIFIERS = {"f", "H", "h", "I", "i", "k", "l", "p", "r", "S", "s", "T"}
  68
  69
  70def _has_time_specifier(date_format: str) -> bool:
  71    i = 0
  72    length = len(date_format)
  73
  74    while i < length:
  75        if date_format[i] == "%":
  76            i += 1
  77            if i < length and date_format[i] in TIME_SPECIFIERS:
  78                return True
  79        i += 1
  80    return False
  81
  82
  83def _str_to_date(args: t.List) -> exp.StrToDate | exp.StrToTime:
  84    mysql_date_format = seq_get(args, 1)
  85    date_format = MySQL.format_time(mysql_date_format)
  86    this = seq_get(args, 0)
  87
  88    if mysql_date_format and _has_time_specifier(mysql_date_format.name):
  89        return exp.StrToTime(this=this, format=date_format)
  90
  91    return exp.StrToDate(this=this, format=date_format)
  92
  93
  94def _str_to_date_sql(
  95    self: MySQL.Generator, expression: exp.StrToDate | exp.StrToTime | exp.TsOrDsToDate
  96) -> str:
  97    return self.func("STR_TO_DATE", expression.this, self.format_time(expression))
  98
  99
 100def _unix_to_time_sql(self: MySQL.Generator, expression: exp.UnixToTime) -> str:
 101    scale = expression.args.get("scale")
 102    timestamp = expression.this
 103
 104    if scale in (None, exp.UnixToTime.SECONDS):
 105        return self.func("FROM_UNIXTIME", timestamp, self.format_time(expression))
 106
 107    return self.func(
 108        "FROM_UNIXTIME",
 109        exp.Div(this=timestamp, expression=exp.func("POW", 10, scale)),
 110        self.format_time(expression),
 111    )
 112
 113
 114def date_add_sql(
 115    kind: str,
 116) -> t.Callable[[generator.Generator, exp.Expression], str]:
 117    def func(self: generator.Generator, expression: exp.Expression) -> str:
 118        return self.func(
 119            f"DATE_{kind}",
 120            expression.this,
 121            exp.Interval(this=expression.expression, unit=unit_to_var(expression)),
 122        )
 123
 124    return func
 125
 126
 127def _ts_or_ds_to_date_sql(self: MySQL.Generator, expression: exp.TsOrDsToDate) -> str:
 128    time_format = expression.args.get("format")
 129    return _str_to_date_sql(self, expression) if time_format else self.func("DATE", expression.this)
 130
 131
 132def _remove_ts_or_ds_to_date(
 133    to_sql: t.Optional[t.Callable[[MySQL.Generator, exp.Expression], str]] = None,
 134    args: t.Tuple[str, ...] = ("this",),
 135) -> t.Callable[[MySQL.Generator, exp.Func], str]:
 136    def func(self: MySQL.Generator, expression: exp.Func) -> str:
 137        for arg_key in args:
 138            arg = expression.args.get(arg_key)
 139            if isinstance(arg, exp.TsOrDsToDate) and not arg.args.get("format"):
 140                expression.set(arg_key, arg.this)
 141
 142        return to_sql(self, expression) if to_sql else self.function_fallback_sql(expression)
 143
 144    return func
 145
 146
 147class MySQL(Dialect):
 148    # https://dev.mysql.com/doc/refman/8.0/en/identifiers.html
 149    IDENTIFIERS_CAN_START_WITH_DIGIT = True
 150
 151    # We default to treating all identifiers as case-sensitive, since it matches MySQL's
 152    # behavior on Linux systems. For MacOS and Windows systems, one can override this
 153    # setting by specifying `dialect="mysql, normalization_strategy = lowercase"`.
 154    #
 155    # See also https://dev.mysql.com/doc/refman/8.2/en/identifier-case-sensitivity.html
 156    NORMALIZATION_STRATEGY = NormalizationStrategy.CASE_SENSITIVE
 157
 158    TIME_FORMAT = "'%Y-%m-%d %T'"
 159    DPIPE_IS_STRING_CONCAT = False
 160    SUPPORTS_USER_DEFINED_TYPES = False
 161    SUPPORTS_SEMI_ANTI_JOIN = False
 162    SAFE_DIVISION = True
 163
 164    # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions
 165    TIME_MAPPING = {
 166        "%M": "%B",
 167        "%c": "%-m",
 168        "%e": "%-d",
 169        "%h": "%I",
 170        "%i": "%M",
 171        "%s": "%S",
 172        "%u": "%W",
 173        "%k": "%-H",
 174        "%l": "%-I",
 175        "%T": "%H:%M:%S",
 176        "%W": "%A",
 177    }
 178
 179    class Tokenizer(tokens.Tokenizer):
 180        QUOTES = ["'", '"']
 181        COMMENTS = ["--", "#", ("/*", "*/")]
 182        IDENTIFIERS = ["`"]
 183        STRING_ESCAPES = ["'", '"', "\\"]
 184        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
 185        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
 186
 187        KEYWORDS = {
 188            **tokens.Tokenizer.KEYWORDS,
 189            "CHARSET": TokenType.CHARACTER_SET,
 190            "FORCE": TokenType.FORCE,
 191            "IGNORE": TokenType.IGNORE,
 192            "KEY": TokenType.KEY,
 193            "LOCK TABLES": TokenType.COMMAND,
 194            "LONGBLOB": TokenType.LONGBLOB,
 195            "LONGTEXT": TokenType.LONGTEXT,
 196            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
 197            "TINYBLOB": TokenType.TINYBLOB,
 198            "TINYTEXT": TokenType.TINYTEXT,
 199            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
 200            "MEDIUMINT": TokenType.MEDIUMINT,
 201            "MEMBER OF": TokenType.MEMBER_OF,
 202            "SEPARATOR": TokenType.SEPARATOR,
 203            "START": TokenType.BEGIN,
 204            "SIGNED": TokenType.BIGINT,
 205            "SIGNED INTEGER": TokenType.BIGINT,
 206            "UNLOCK TABLES": TokenType.COMMAND,
 207            "UNSIGNED": TokenType.UBIGINT,
 208            "UNSIGNED INTEGER": TokenType.UBIGINT,
 209            "YEAR": TokenType.YEAR,
 210            "_ARMSCII8": TokenType.INTRODUCER,
 211            "_ASCII": TokenType.INTRODUCER,
 212            "_BIG5": TokenType.INTRODUCER,
 213            "_BINARY": TokenType.INTRODUCER,
 214            "_CP1250": TokenType.INTRODUCER,
 215            "_CP1251": TokenType.INTRODUCER,
 216            "_CP1256": TokenType.INTRODUCER,
 217            "_CP1257": TokenType.INTRODUCER,
 218            "_CP850": TokenType.INTRODUCER,
 219            "_CP852": TokenType.INTRODUCER,
 220            "_CP866": TokenType.INTRODUCER,
 221            "_CP932": TokenType.INTRODUCER,
 222            "_DEC8": TokenType.INTRODUCER,
 223            "_EUCJPMS": TokenType.INTRODUCER,
 224            "_EUCKR": TokenType.INTRODUCER,
 225            "_GB18030": TokenType.INTRODUCER,
 226            "_GB2312": TokenType.INTRODUCER,
 227            "_GBK": TokenType.INTRODUCER,
 228            "_GEOSTD8": TokenType.INTRODUCER,
 229            "_GREEK": TokenType.INTRODUCER,
 230            "_HEBREW": TokenType.INTRODUCER,
 231            "_HP8": TokenType.INTRODUCER,
 232            "_KEYBCS2": TokenType.INTRODUCER,
 233            "_KOI8R": TokenType.INTRODUCER,
 234            "_KOI8U": TokenType.INTRODUCER,
 235            "_LATIN1": TokenType.INTRODUCER,
 236            "_LATIN2": TokenType.INTRODUCER,
 237            "_LATIN5": TokenType.INTRODUCER,
 238            "_LATIN7": TokenType.INTRODUCER,
 239            "_MACCE": TokenType.INTRODUCER,
 240            "_MACROMAN": TokenType.INTRODUCER,
 241            "_SJIS": TokenType.INTRODUCER,
 242            "_SWE7": TokenType.INTRODUCER,
 243            "_TIS620": TokenType.INTRODUCER,
 244            "_UCS2": TokenType.INTRODUCER,
 245            "_UJIS": TokenType.INTRODUCER,
 246            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
 247            "_UTF8": TokenType.INTRODUCER,
 248            "_UTF16": TokenType.INTRODUCER,
 249            "_UTF16LE": TokenType.INTRODUCER,
 250            "_UTF32": TokenType.INTRODUCER,
 251            "_UTF8MB3": TokenType.INTRODUCER,
 252            "_UTF8MB4": TokenType.INTRODUCER,
 253            "@@": TokenType.SESSION_PARAMETER,
 254        }
 255
 256        COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW}
 257
 258    class Parser(parser.Parser):
 259        FUNC_TOKENS = {
 260            *parser.Parser.FUNC_TOKENS,
 261            TokenType.DATABASE,
 262            TokenType.SCHEMA,
 263            TokenType.VALUES,
 264        }
 265
 266        CONJUNCTION = {
 267            **parser.Parser.CONJUNCTION,
 268            TokenType.DAMP: exp.And,
 269            TokenType.XOR: exp.Xor,
 270        }
 271
 272        DISJUNCTION = {
 273            **parser.Parser.DISJUNCTION,
 274            TokenType.DPIPE: exp.Or,
 275        }
 276
 277        TABLE_ALIAS_TOKENS = (
 278            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
 279        )
 280
 281        RANGE_PARSERS = {
 282            **parser.Parser.RANGE_PARSERS,
 283            TokenType.MEMBER_OF: lambda self, this: self.expression(
 284                exp.JSONArrayContains,
 285                this=this,
 286                expression=self._parse_wrapped(self._parse_expression),
 287            ),
 288        }
 289
 290        FUNCTIONS = {
 291            **parser.Parser.FUNCTIONS,
 292            "CONVERT_TZ": lambda args: exp.ConvertTimezone(
 293                source_tz=seq_get(args, 1), target_tz=seq_get(args, 2), timestamp=seq_get(args, 0)
 294            ),
 295            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
 296            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
 297            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
 298            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
 299            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 300            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 301            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 302            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 303            "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"),
 304            "ISNULL": isnull_to_is_null,
 305            "LOCATE": locate_to_strposition,
 306            "MAKETIME": exp.TimeFromParts.from_arg_list,
 307            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 308            "MONTHNAME": lambda args: exp.TimeToStr(
 309                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
 310                format=exp.Literal.string("%B"),
 311            ),
 312            "STR_TO_DATE": _str_to_date,
 313            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
 314            "TO_DAYS": lambda args: exp.paren(
 315                exp.DateDiff(
 316                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
 317                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
 318                    unit=exp.var("DAY"),
 319                )
 320                + 1
 321            ),
 322            "WEEK": lambda args: exp.Week(
 323                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
 324            ),
 325            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 326            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 327        }
 328
 329        FUNCTION_PARSERS = {
 330            **parser.Parser.FUNCTION_PARSERS,
 331            "CHAR": lambda self: self.expression(
 332                exp.Chr,
 333                expressions=self._parse_csv(self._parse_assignment),
 334                charset=self._match(TokenType.USING) and self._parse_var(),
 335            ),
 336            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
 337            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
 338            "VALUES": lambda self: self.expression(
 339                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
 340            ),
 341            "JSON_VALUE": lambda self: self._parse_json_value(),
 342        }
 343
 344        STATEMENT_PARSERS = {
 345            **parser.Parser.STATEMENT_PARSERS,
 346            TokenType.SHOW: lambda self: self._parse_show(),
 347        }
 348
 349        SHOW_PARSERS = {
 350            "BINARY LOGS": _show_parser("BINARY LOGS"),
 351            "MASTER LOGS": _show_parser("BINARY LOGS"),
 352            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
 353            "CHARACTER SET": _show_parser("CHARACTER SET"),
 354            "CHARSET": _show_parser("CHARACTER SET"),
 355            "COLLATION": _show_parser("COLLATION"),
 356            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
 357            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
 358            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
 359            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
 360            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
 361            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
 362            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
 363            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
 364            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
 365            "DATABASES": _show_parser("DATABASES"),
 366            "SCHEMAS": _show_parser("DATABASES"),
 367            "ENGINE": _show_parser("ENGINE", target=True),
 368            "STORAGE ENGINES": _show_parser("ENGINES"),
 369            "ENGINES": _show_parser("ENGINES"),
 370            "ERRORS": _show_parser("ERRORS"),
 371            "EVENTS": _show_parser("EVENTS"),
 372            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
 373            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
 374            "GRANTS": _show_parser("GRANTS", target="FOR"),
 375            "INDEX": _show_parser("INDEX", target="FROM"),
 376            "MASTER STATUS": _show_parser("MASTER STATUS"),
 377            "OPEN TABLES": _show_parser("OPEN TABLES"),
 378            "PLUGINS": _show_parser("PLUGINS"),
 379            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
 380            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
 381            "PRIVILEGES": _show_parser("PRIVILEGES"),
 382            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
 383            "PROCESSLIST": _show_parser("PROCESSLIST"),
 384            "PROFILE": _show_parser("PROFILE"),
 385            "PROFILES": _show_parser("PROFILES"),
 386            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
 387            "REPLICAS": _show_parser("REPLICAS"),
 388            "SLAVE HOSTS": _show_parser("REPLICAS"),
 389            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
 390            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
 391            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
 392            "SESSION STATUS": _show_parser("STATUS"),
 393            "STATUS": _show_parser("STATUS"),
 394            "TABLE STATUS": _show_parser("TABLE STATUS"),
 395            "FULL TABLES": _show_parser("TABLES", full=True),
 396            "TABLES": _show_parser("TABLES"),
 397            "TRIGGERS": _show_parser("TRIGGERS"),
 398            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
 399            "SESSION VARIABLES": _show_parser("VARIABLES"),
 400            "VARIABLES": _show_parser("VARIABLES"),
 401            "WARNINGS": _show_parser("WARNINGS"),
 402        }
 403
 404        PROPERTY_PARSERS = {
 405            **parser.Parser.PROPERTY_PARSERS,
 406            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
 407        }
 408
 409        SET_PARSERS = {
 410            **parser.Parser.SET_PARSERS,
 411            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
 412            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
 413            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
 414            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
 415            "NAMES": lambda self: self._parse_set_item_names(),
 416        }
 417
 418        CONSTRAINT_PARSERS = {
 419            **parser.Parser.CONSTRAINT_PARSERS,
 420            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
 421            "INDEX": lambda self: self._parse_index_constraint(),
 422            "KEY": lambda self: self._parse_index_constraint(),
 423            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
 424        }
 425
 426        ALTER_PARSERS = {
 427            **parser.Parser.ALTER_PARSERS,
 428            "MODIFY": lambda self: self._parse_alter_table_alter(),
 429        }
 430
 431        SCHEMA_UNNAMED_CONSTRAINTS = {
 432            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
 433            "FULLTEXT",
 434            "INDEX",
 435            "KEY",
 436            "SPATIAL",
 437        }
 438
 439        PROFILE_TYPES: parser.OPTIONS_TYPE = {
 440            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
 441            "BLOCK": ("IO",),
 442            "CONTEXT": ("SWITCHES",),
 443            "PAGE": ("FAULTS",),
 444        }
 445
 446        TYPE_TOKENS = {
 447            *parser.Parser.TYPE_TOKENS,
 448            TokenType.SET,
 449        }
 450
 451        ENUM_TYPE_TOKENS = {
 452            *parser.Parser.ENUM_TYPE_TOKENS,
 453            TokenType.SET,
 454        }
 455
 456        LOG_DEFAULTS_TO_LN = True
 457        STRING_ALIASES = True
 458        VALUES_FOLLOWED_BY_PAREN = False
 459        SUPPORTS_PARTITION_SELECTION = True
 460
 461        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
 462            this = self._parse_id_var()
 463            if not self._match(TokenType.L_PAREN):
 464                return this
 465
 466            expression = self._parse_number()
 467            self._match_r_paren()
 468            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
 469
 470        def _parse_index_constraint(
 471            self, kind: t.Optional[str] = None
 472        ) -> exp.IndexColumnConstraint:
 473            if kind:
 474                self._match_texts(("INDEX", "KEY"))
 475
 476            this = self._parse_id_var(any_token=False)
 477            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
 478            expressions = self._parse_wrapped_csv(self._parse_ordered)
 479
 480            options = []
 481            while True:
 482                if self._match_text_seq("KEY_BLOCK_SIZE"):
 483                    self._match(TokenType.EQ)
 484                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
 485                elif self._match(TokenType.USING):
 486                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
 487                elif self._match_text_seq("WITH", "PARSER"):
 488                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
 489                elif self._match(TokenType.COMMENT):
 490                    opt = exp.IndexConstraintOption(comment=self._parse_string())
 491                elif self._match_text_seq("VISIBLE"):
 492                    opt = exp.IndexConstraintOption(visible=True)
 493                elif self._match_text_seq("INVISIBLE"):
 494                    opt = exp.IndexConstraintOption(visible=False)
 495                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
 496                    self._match(TokenType.EQ)
 497                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
 498                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
 499                    self._match(TokenType.EQ)
 500                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
 501                else:
 502                    opt = None
 503
 504                if not opt:
 505                    break
 506
 507                options.append(opt)
 508
 509            return self.expression(
 510                exp.IndexColumnConstraint,
 511                this=this,
 512                expressions=expressions,
 513                kind=kind,
 514                index_type=index_type,
 515                options=options,
 516            )
 517
 518        def _parse_show_mysql(
 519            self,
 520            this: str,
 521            target: bool | str = False,
 522            full: t.Optional[bool] = None,
 523            global_: t.Optional[bool] = None,
 524        ) -> exp.Show:
 525            if target:
 526                if isinstance(target, str):
 527                    self._match_text_seq(target)
 528                target_id = self._parse_id_var()
 529            else:
 530                target_id = None
 531
 532            log = self._parse_string() if self._match_text_seq("IN") else None
 533
 534            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
 535                position = self._parse_number() if self._match_text_seq("FROM") else None
 536                db = None
 537            else:
 538                position = None
 539                db = None
 540
 541                if self._match(TokenType.FROM):
 542                    db = self._parse_id_var()
 543                elif self._match(TokenType.DOT):
 544                    db = target_id
 545                    target_id = self._parse_id_var()
 546
 547            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
 548
 549            like = self._parse_string() if self._match_text_seq("LIKE") else None
 550            where = self._parse_where()
 551
 552            if this == "PROFILE":
 553                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
 554                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
 555                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
 556                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
 557            else:
 558                types, query = None, None
 559                offset, limit = self._parse_oldstyle_limit()
 560
 561            mutex = True if self._match_text_seq("MUTEX") else None
 562            mutex = False if self._match_text_seq("STATUS") else mutex
 563
 564            return self.expression(
 565                exp.Show,
 566                this=this,
 567                target=target_id,
 568                full=full,
 569                log=log,
 570                position=position,
 571                db=db,
 572                channel=channel,
 573                like=like,
 574                where=where,
 575                types=types,
 576                query=query,
 577                offset=offset,
 578                limit=limit,
 579                mutex=mutex,
 580                **{"global": global_},  # type: ignore
 581            )
 582
 583        def _parse_oldstyle_limit(
 584            self,
 585        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
 586            limit = None
 587            offset = None
 588            if self._match_text_seq("LIMIT"):
 589                parts = self._parse_csv(self._parse_number)
 590                if len(parts) == 1:
 591                    limit = parts[0]
 592                elif len(parts) == 2:
 593                    limit = parts[1]
 594                    offset = parts[0]
 595
 596            return offset, limit
 597
 598        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
 599            this = self._parse_string() or self._parse_unquoted_field()
 600            return self.expression(exp.SetItem, this=this, kind=kind)
 601
 602        def _parse_set_item_names(self) -> exp.Expression:
 603            charset = self._parse_string() or self._parse_unquoted_field()
 604            if self._match_text_seq("COLLATE"):
 605                collate = self._parse_string() or self._parse_unquoted_field()
 606            else:
 607                collate = None
 608
 609            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
 610
 611        def _parse_type(
 612            self, parse_interval: bool = True, fallback_to_identifier: bool = False
 613        ) -> t.Optional[exp.Expression]:
 614            # mysql binary is special and can work anywhere, even in order by operations
 615            # it operates like a no paren func
 616            if self._match(TokenType.BINARY, advance=False):
 617                data_type = self._parse_types(check_func=True, allow_identifiers=False)
 618
 619                if isinstance(data_type, exp.DataType):
 620                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
 621
 622            return super()._parse_type(
 623                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
 624            )
 625
 626        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
 627            def concat_exprs(
 628                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
 629            ) -> exp.Expression:
 630                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
 631                    concat_exprs = [
 632                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
 633                    ]
 634                    node.set("expressions", concat_exprs)
 635                    return node
 636                if len(exprs) == 1:
 637                    return exprs[0]
 638                return self.expression(exp.Concat, expressions=args, safe=True)
 639
 640            args = self._parse_csv(self._parse_lambda)
 641
 642            if args:
 643                order = args[-1] if isinstance(args[-1], exp.Order) else None
 644
 645                if order:
 646                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
 647                    # remove 'expr' from exp.Order and add it back to args
 648                    args[-1] = order.this
 649                    order.set("this", concat_exprs(order.this, args))
 650
 651                this = order or concat_exprs(args[0], args)
 652            else:
 653                this = None
 654
 655            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
 656
 657            return self.expression(exp.GroupConcat, this=this, separator=separator)
 658
 659        def _parse_json_value(self) -> exp.JSONValue:
 660            this = self._parse_bitwise()
 661            self._match(TokenType.COMMA)
 662            path = self._parse_bitwise()
 663
 664            returning = self._match(TokenType.RETURNING) and self._parse_type()
 665
 666            return self.expression(
 667                exp.JSONValue,
 668                this=this,
 669                path=self.dialect.to_json_path(path),
 670                returning=returning,
 671                on_condition=self._parse_on_condition(),
 672            )
 673
 674    class Generator(generator.Generator):
 675        INTERVAL_ALLOWS_PLURAL_FORM = False
 676        LOCKING_READS_SUPPORTED = True
 677        NULL_ORDERING_SUPPORTED = None
 678        JOIN_HINTS = False
 679        TABLE_HINTS = True
 680        DUPLICATE_KEY_UPDATE_WITH_SET = False
 681        QUERY_HINT_SEP = " "
 682        VALUES_AS_TABLE = False
 683        NVL2_SUPPORTED = False
 684        LAST_DAY_SUPPORTS_DATE_PART = False
 685        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
 686        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
 687        JSON_KEY_VALUE_PAIR_SEP = ","
 688        SUPPORTS_TO_NUMBER = False
 689        PARSE_JSON_NAME: t.Optional[str] = None
 690        PAD_FILL_PATTERN_IS_REQUIRED = True
 691        WRAP_DERIVED_VALUES = False
 692        VARCHAR_REQUIRES_SIZE = True
 693
 694        TRANSFORMS = {
 695            **generator.Generator.TRANSFORMS,
 696            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
 697            exp.CurrentDate: no_paren_current_date_sql,
 698            exp.DateDiff: _remove_ts_or_ds_to_date(
 699                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
 700            ),
 701            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
 702            exp.DateStrToDate: datestrtodate_sql,
 703            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
 704            exp.DateTrunc: _date_trunc_sql,
 705            exp.Day: _remove_ts_or_ds_to_date(),
 706            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
 707            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
 708            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
 709            exp.GroupConcat: lambda self,
 710            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
 711            exp.ILike: no_ilike_sql,
 712            exp.JSONExtractScalar: arrow_json_extract_sql,
 713            exp.Max: max_or_greatest,
 714            exp.Min: min_or_least,
 715            exp.Month: _remove_ts_or_ds_to_date(),
 716            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
 717            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
 718            exp.Pivot: no_pivot_sql,
 719            exp.Select: transforms.preprocess(
 720                [
 721                    transforms.eliminate_distinct_on,
 722                    transforms.eliminate_semi_and_anti_joins,
 723                    transforms.eliminate_qualify,
 724                    transforms.eliminate_full_outer_join,
 725                    transforms.unnest_generate_date_array_using_recursive_cte,
 726                ]
 727            ),
 728            exp.StrPosition: strposition_to_locate_sql,
 729            exp.StrToDate: _str_to_date_sql,
 730            exp.StrToTime: _str_to_date_sql,
 731            exp.Stuff: rename_func("INSERT"),
 732            exp.TableSample: no_tablesample_sql,
 733            exp.TimeFromParts: rename_func("MAKETIME"),
 734            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
 735            exp.TimestampDiff: lambda self, e: self.func(
 736                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
 737            ),
 738            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
 739            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
 740            exp.TimeStrToTime: lambda self, e: timestrtotime_sql(
 741                self,
 742                e,
 743                include_precision=not e.args.get("zone"),
 744            ),
 745            exp.TimeToStr: _remove_ts_or_ds_to_date(
 746                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
 747            ),
 748            exp.Trim: trim_sql,
 749            exp.TryCast: no_trycast_sql,
 750            exp.TsOrDsAdd: date_add_sql("ADD"),
 751            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
 752            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
 753            exp.UnixToTime: _unix_to_time_sql,
 754            exp.Week: _remove_ts_or_ds_to_date(),
 755            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
 756            exp.Year: _remove_ts_or_ds_to_date(),
 757        }
 758
 759        UNSIGNED_TYPE_MAPPING = {
 760            exp.DataType.Type.UBIGINT: "BIGINT",
 761            exp.DataType.Type.UINT: "INT",
 762            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
 763            exp.DataType.Type.USMALLINT: "SMALLINT",
 764            exp.DataType.Type.UTINYINT: "TINYINT",
 765            exp.DataType.Type.UDECIMAL: "DECIMAL",
 766        }
 767
 768        TIMESTAMP_TYPE_MAPPING = {
 769            exp.DataType.Type.TIMESTAMP: "DATETIME",
 770            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
 771            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
 772        }
 773
 774        TYPE_MAPPING = {
 775            **generator.Generator.TYPE_MAPPING,
 776            **UNSIGNED_TYPE_MAPPING,
 777            **TIMESTAMP_TYPE_MAPPING,
 778        }
 779
 780        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
 781        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
 782        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
 783        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
 784        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
 785        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
 786
 787        PROPERTIES_LOCATION = {
 788            **generator.Generator.PROPERTIES_LOCATION,
 789            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
 790            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
 791        }
 792
 793        LIMIT_FETCH = "LIMIT"
 794
 795        LIMIT_ONLY_LITERALS = True
 796
 797        CHAR_CAST_MAPPING = dict.fromkeys(
 798            (
 799                exp.DataType.Type.LONGTEXT,
 800                exp.DataType.Type.LONGBLOB,
 801                exp.DataType.Type.MEDIUMBLOB,
 802                exp.DataType.Type.MEDIUMTEXT,
 803                exp.DataType.Type.TEXT,
 804                exp.DataType.Type.TINYBLOB,
 805                exp.DataType.Type.TINYTEXT,
 806                exp.DataType.Type.VARCHAR,
 807            ),
 808            "CHAR",
 809        )
 810        SIGNED_CAST_MAPPING = dict.fromkeys(
 811            (
 812                exp.DataType.Type.BIGINT,
 813                exp.DataType.Type.BOOLEAN,
 814                exp.DataType.Type.INT,
 815                exp.DataType.Type.SMALLINT,
 816                exp.DataType.Type.TINYINT,
 817                exp.DataType.Type.MEDIUMINT,
 818            ),
 819            "SIGNED",
 820        )
 821
 822        # MySQL doesn't support many datatypes in cast.
 823        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
 824        CAST_MAPPING = {
 825            **CHAR_CAST_MAPPING,
 826            **SIGNED_CAST_MAPPING,
 827            exp.DataType.Type.UBIGINT: "UNSIGNED",
 828        }
 829
 830        TIMESTAMP_FUNC_TYPES = {
 831            exp.DataType.Type.TIMESTAMPTZ,
 832            exp.DataType.Type.TIMESTAMPLTZ,
 833        }
 834
 835        # https://dev.mysql.com/doc/refman/8.0/en/keywords.html
 836        RESERVED_KEYWORDS = {
 837            "accessible",
 838            "add",
 839            "all",
 840            "alter",
 841            "analyze",
 842            "and",
 843            "as",
 844            "asc",
 845            "asensitive",
 846            "before",
 847            "between",
 848            "bigint",
 849            "binary",
 850            "blob",
 851            "both",
 852            "by",
 853            "call",
 854            "cascade",
 855            "case",
 856            "change",
 857            "char",
 858            "character",
 859            "check",
 860            "collate",
 861            "column",
 862            "condition",
 863            "constraint",
 864            "continue",
 865            "convert",
 866            "create",
 867            "cross",
 868            "cube",
 869            "cume_dist",
 870            "current_date",
 871            "current_time",
 872            "current_timestamp",
 873            "current_user",
 874            "cursor",
 875            "database",
 876            "databases",
 877            "day_hour",
 878            "day_microsecond",
 879            "day_minute",
 880            "day_second",
 881            "dec",
 882            "decimal",
 883            "declare",
 884            "default",
 885            "delayed",
 886            "delete",
 887            "dense_rank",
 888            "desc",
 889            "describe",
 890            "deterministic",
 891            "distinct",
 892            "distinctrow",
 893            "div",
 894            "double",
 895            "drop",
 896            "dual",
 897            "each",
 898            "else",
 899            "elseif",
 900            "empty",
 901            "enclosed",
 902            "escaped",
 903            "except",
 904            "exists",
 905            "exit",
 906            "explain",
 907            "false",
 908            "fetch",
 909            "first_value",
 910            "float",
 911            "float4",
 912            "float8",
 913            "for",
 914            "force",
 915            "foreign",
 916            "from",
 917            "fulltext",
 918            "function",
 919            "generated",
 920            "get",
 921            "grant",
 922            "group",
 923            "grouping",
 924            "groups",
 925            "having",
 926            "high_priority",
 927            "hour_microsecond",
 928            "hour_minute",
 929            "hour_second",
 930            "if",
 931            "ignore",
 932            "in",
 933            "index",
 934            "infile",
 935            "inner",
 936            "inout",
 937            "insensitive",
 938            "insert",
 939            "int",
 940            "int1",
 941            "int2",
 942            "int3",
 943            "int4",
 944            "int8",
 945            "integer",
 946            "intersect",
 947            "interval",
 948            "into",
 949            "io_after_gtids",
 950            "io_before_gtids",
 951            "is",
 952            "iterate",
 953            "join",
 954            "json_table",
 955            "key",
 956            "keys",
 957            "kill",
 958            "lag",
 959            "last_value",
 960            "lateral",
 961            "lead",
 962            "leading",
 963            "leave",
 964            "left",
 965            "like",
 966            "limit",
 967            "linear",
 968            "lines",
 969            "load",
 970            "localtime",
 971            "localtimestamp",
 972            "lock",
 973            "long",
 974            "longblob",
 975            "longtext",
 976            "loop",
 977            "low_priority",
 978            "master_bind",
 979            "master_ssl_verify_server_cert",
 980            "match",
 981            "maxvalue",
 982            "mediumblob",
 983            "mediumint",
 984            "mediumtext",
 985            "middleint",
 986            "minute_microsecond",
 987            "minute_second",
 988            "mod",
 989            "modifies",
 990            "natural",
 991            "not",
 992            "no_write_to_binlog",
 993            "nth_value",
 994            "ntile",
 995            "null",
 996            "numeric",
 997            "of",
 998            "on",
 999            "optimize",
1000            "optimizer_costs",
1001            "option",
1002            "optionally",
1003            "or",
1004            "order",
1005            "out",
1006            "outer",
1007            "outfile",
1008            "over",
1009            "partition",
1010            "percent_rank",
1011            "precision",
1012            "primary",
1013            "procedure",
1014            "purge",
1015            "range",
1016            "rank",
1017            "read",
1018            "reads",
1019            "read_write",
1020            "real",
1021            "recursive",
1022            "references",
1023            "regexp",
1024            "release",
1025            "rename",
1026            "repeat",
1027            "replace",
1028            "require",
1029            "resignal",
1030            "restrict",
1031            "return",
1032            "revoke",
1033            "right",
1034            "rlike",
1035            "row",
1036            "rows",
1037            "row_number",
1038            "schema",
1039            "schemas",
1040            "second_microsecond",
1041            "select",
1042            "sensitive",
1043            "separator",
1044            "set",
1045            "show",
1046            "signal",
1047            "smallint",
1048            "spatial",
1049            "specific",
1050            "sql",
1051            "sqlexception",
1052            "sqlstate",
1053            "sqlwarning",
1054            "sql_big_result",
1055            "sql_calc_found_rows",
1056            "sql_small_result",
1057            "ssl",
1058            "starting",
1059            "stored",
1060            "straight_join",
1061            "system",
1062            "table",
1063            "terminated",
1064            "then",
1065            "tinyblob",
1066            "tinyint",
1067            "tinytext",
1068            "to",
1069            "trailing",
1070            "trigger",
1071            "true",
1072            "undo",
1073            "union",
1074            "unique",
1075            "unlock",
1076            "unsigned",
1077            "update",
1078            "usage",
1079            "use",
1080            "using",
1081            "utc_date",
1082            "utc_time",
1083            "utc_timestamp",
1084            "values",
1085            "varbinary",
1086            "varchar",
1087            "varcharacter",
1088            "varying",
1089            "virtual",
1090            "when",
1091            "where",
1092            "while",
1093            "window",
1094            "with",
1095            "write",
1096            "xor",
1097            "year_month",
1098            "zerofill",
1099        }
1100
1101        def array_sql(self, expression: exp.Array) -> str:
1102            self.unsupported("Arrays are not supported by MySQL")
1103            return self.function_fallback_sql(expression)
1104
1105        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1106            self.unsupported("Array operations are not supported by MySQL")
1107            return self.function_fallback_sql(expression)
1108
1109        def dpipe_sql(self, expression: exp.DPipe) -> str:
1110            return self.func("CONCAT", *expression.flatten())
1111
1112        def extract_sql(self, expression: exp.Extract) -> str:
1113            unit = expression.name
1114            if unit and unit.lower() == "epoch":
1115                return self.func("UNIX_TIMESTAMP", expression.expression)
1116
1117            return super().extract_sql(expression)
1118
1119        def datatype_sql(self, expression: exp.DataType) -> str:
1120            if (
1121                self.VARCHAR_REQUIRES_SIZE
1122                and expression.is_type(exp.DataType.Type.VARCHAR)
1123                and not expression.expressions
1124            ):
1125                # `VARCHAR` must always have a size - if it doesn't, we always generate `TEXT`
1126                return "TEXT"
1127
1128            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1129            result = super().datatype_sql(expression)
1130            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1131                result = f"{result} UNSIGNED"
1132
1133            return result
1134
1135        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1136            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
1137
1138        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1139            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1140                return self.func("TIMESTAMP", expression.this)
1141
1142            to = self.CAST_MAPPING.get(expression.to.this)
1143
1144            if to:
1145                expression.to.set("this", to)
1146            return super().cast_sql(expression)
1147
1148        def show_sql(self, expression: exp.Show) -> str:
1149            this = f" {expression.name}"
1150            full = " FULL" if expression.args.get("full") else ""
1151            global_ = " GLOBAL" if expression.args.get("global") else ""
1152
1153            target = self.sql(expression, "target")
1154            target = f" {target}" if target else ""
1155            if expression.name in ("COLUMNS", "INDEX"):
1156                target = f" FROM{target}"
1157            elif expression.name == "GRANTS":
1158                target = f" FOR{target}"
1159
1160            db = self._prefixed_sql("FROM", expression, "db")
1161
1162            like = self._prefixed_sql("LIKE", expression, "like")
1163            where = self.sql(expression, "where")
1164
1165            types = self.expressions(expression, key="types")
1166            types = f" {types}" if types else types
1167            query = self._prefixed_sql("FOR QUERY", expression, "query")
1168
1169            if expression.name == "PROFILE":
1170                offset = self._prefixed_sql("OFFSET", expression, "offset")
1171                limit = self._prefixed_sql("LIMIT", expression, "limit")
1172            else:
1173                offset = ""
1174                limit = self._oldstyle_limit_sql(expression)
1175
1176            log = self._prefixed_sql("IN", expression, "log")
1177            position = self._prefixed_sql("FROM", expression, "position")
1178
1179            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1180
1181            if expression.name == "ENGINE":
1182                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1183            else:
1184                mutex_or_status = ""
1185
1186            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
1187
1188        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1189            dtype = self.sql(expression, "dtype")
1190            if not dtype:
1191                return super().altercolumn_sql(expression)
1192
1193            this = self.sql(expression, "this")
1194            return f"MODIFY COLUMN {this} {dtype}"
1195
1196        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
1197            sql = self.sql(expression, arg)
1198            return f" {prefix} {sql}" if sql else ""
1199
1200        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
1201            limit = self.sql(expression, "limit")
1202            offset = self.sql(expression, "offset")
1203            if limit:
1204                limit_offset = f"{offset}, {limit}" if offset else limit
1205                return f" LIMIT {limit_offset}"
1206            return ""
1207
1208        def chr_sql(self, expression: exp.Chr) -> str:
1209            this = self.expressions(sqls=[expression.this] + expression.expressions)
1210            charset = expression.args.get("charset")
1211            using = f" USING {self.sql(charset)}" if charset else ""
1212            return f"CHAR({this}{using})"
1213
1214        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1215            unit = expression.args.get("unit")
1216
1217            # Pick an old-enough date to avoid negative timestamp diffs
1218            start_ts = "'0000-01-01 00:00:00'"
1219
1220            # Source: https://stackoverflow.com/a/32955740
1221            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1222            interval = exp.Interval(this=timestamp_diff, unit=unit)
1223            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1224
1225            return self.sql(dateadd)
1226
1227        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1228            from_tz = expression.args.get("source_tz")
1229            to_tz = expression.args.get("target_tz")
1230            dt = expression.args.get("timestamp")
1231
1232            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
1233
1234        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1235            self.unsupported("AT TIME ZONE is not supported by MySQL")
1236            return self.sql(expression.this)
TIME_SPECIFIERS = {'i', 's', 'f', 'r', 'S', 'k', 'l', 'H', 'h', 'I', 'T', 'p'}
def date_add_sql( kind: str) -> Callable[[sqlglot.generator.Generator, sqlglot.expressions.Expression], str]:
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
class MySQL(sqlglot.dialects.dialect.Dialect):
 148class MySQL(Dialect):
 149    # https://dev.mysql.com/doc/refman/8.0/en/identifiers.html
 150    IDENTIFIERS_CAN_START_WITH_DIGIT = True
 151
 152    # We default to treating all identifiers as case-sensitive, since it matches MySQL's
 153    # behavior on Linux systems. For MacOS and Windows systems, one can override this
 154    # setting by specifying `dialect="mysql, normalization_strategy = lowercase"`.
 155    #
 156    # See also https://dev.mysql.com/doc/refman/8.2/en/identifier-case-sensitivity.html
 157    NORMALIZATION_STRATEGY = NormalizationStrategy.CASE_SENSITIVE
 158
 159    TIME_FORMAT = "'%Y-%m-%d %T'"
 160    DPIPE_IS_STRING_CONCAT = False
 161    SUPPORTS_USER_DEFINED_TYPES = False
 162    SUPPORTS_SEMI_ANTI_JOIN = False
 163    SAFE_DIVISION = True
 164
 165    # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions
 166    TIME_MAPPING = {
 167        "%M": "%B",
 168        "%c": "%-m",
 169        "%e": "%-d",
 170        "%h": "%I",
 171        "%i": "%M",
 172        "%s": "%S",
 173        "%u": "%W",
 174        "%k": "%-H",
 175        "%l": "%-I",
 176        "%T": "%H:%M:%S",
 177        "%W": "%A",
 178    }
 179
 180    class Tokenizer(tokens.Tokenizer):
 181        QUOTES = ["'", '"']
 182        COMMENTS = ["--", "#", ("/*", "*/")]
 183        IDENTIFIERS = ["`"]
 184        STRING_ESCAPES = ["'", '"', "\\"]
 185        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
 186        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
 187
 188        KEYWORDS = {
 189            **tokens.Tokenizer.KEYWORDS,
 190            "CHARSET": TokenType.CHARACTER_SET,
 191            "FORCE": TokenType.FORCE,
 192            "IGNORE": TokenType.IGNORE,
 193            "KEY": TokenType.KEY,
 194            "LOCK TABLES": TokenType.COMMAND,
 195            "LONGBLOB": TokenType.LONGBLOB,
 196            "LONGTEXT": TokenType.LONGTEXT,
 197            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
 198            "TINYBLOB": TokenType.TINYBLOB,
 199            "TINYTEXT": TokenType.TINYTEXT,
 200            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
 201            "MEDIUMINT": TokenType.MEDIUMINT,
 202            "MEMBER OF": TokenType.MEMBER_OF,
 203            "SEPARATOR": TokenType.SEPARATOR,
 204            "START": TokenType.BEGIN,
 205            "SIGNED": TokenType.BIGINT,
 206            "SIGNED INTEGER": TokenType.BIGINT,
 207            "UNLOCK TABLES": TokenType.COMMAND,
 208            "UNSIGNED": TokenType.UBIGINT,
 209            "UNSIGNED INTEGER": TokenType.UBIGINT,
 210            "YEAR": TokenType.YEAR,
 211            "_ARMSCII8": TokenType.INTRODUCER,
 212            "_ASCII": TokenType.INTRODUCER,
 213            "_BIG5": TokenType.INTRODUCER,
 214            "_BINARY": TokenType.INTRODUCER,
 215            "_CP1250": TokenType.INTRODUCER,
 216            "_CP1251": TokenType.INTRODUCER,
 217            "_CP1256": TokenType.INTRODUCER,
 218            "_CP1257": TokenType.INTRODUCER,
 219            "_CP850": TokenType.INTRODUCER,
 220            "_CP852": TokenType.INTRODUCER,
 221            "_CP866": TokenType.INTRODUCER,
 222            "_CP932": TokenType.INTRODUCER,
 223            "_DEC8": TokenType.INTRODUCER,
 224            "_EUCJPMS": TokenType.INTRODUCER,
 225            "_EUCKR": TokenType.INTRODUCER,
 226            "_GB18030": TokenType.INTRODUCER,
 227            "_GB2312": TokenType.INTRODUCER,
 228            "_GBK": TokenType.INTRODUCER,
 229            "_GEOSTD8": TokenType.INTRODUCER,
 230            "_GREEK": TokenType.INTRODUCER,
 231            "_HEBREW": TokenType.INTRODUCER,
 232            "_HP8": TokenType.INTRODUCER,
 233            "_KEYBCS2": TokenType.INTRODUCER,
 234            "_KOI8R": TokenType.INTRODUCER,
 235            "_KOI8U": TokenType.INTRODUCER,
 236            "_LATIN1": TokenType.INTRODUCER,
 237            "_LATIN2": TokenType.INTRODUCER,
 238            "_LATIN5": TokenType.INTRODUCER,
 239            "_LATIN7": TokenType.INTRODUCER,
 240            "_MACCE": TokenType.INTRODUCER,
 241            "_MACROMAN": TokenType.INTRODUCER,
 242            "_SJIS": TokenType.INTRODUCER,
 243            "_SWE7": TokenType.INTRODUCER,
 244            "_TIS620": TokenType.INTRODUCER,
 245            "_UCS2": TokenType.INTRODUCER,
 246            "_UJIS": TokenType.INTRODUCER,
 247            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
 248            "_UTF8": TokenType.INTRODUCER,
 249            "_UTF16": TokenType.INTRODUCER,
 250            "_UTF16LE": TokenType.INTRODUCER,
 251            "_UTF32": TokenType.INTRODUCER,
 252            "_UTF8MB3": TokenType.INTRODUCER,
 253            "_UTF8MB4": TokenType.INTRODUCER,
 254            "@@": TokenType.SESSION_PARAMETER,
 255        }
 256
 257        COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW}
 258
 259    class Parser(parser.Parser):
 260        FUNC_TOKENS = {
 261            *parser.Parser.FUNC_TOKENS,
 262            TokenType.DATABASE,
 263            TokenType.SCHEMA,
 264            TokenType.VALUES,
 265        }
 266
 267        CONJUNCTION = {
 268            **parser.Parser.CONJUNCTION,
 269            TokenType.DAMP: exp.And,
 270            TokenType.XOR: exp.Xor,
 271        }
 272
 273        DISJUNCTION = {
 274            **parser.Parser.DISJUNCTION,
 275            TokenType.DPIPE: exp.Or,
 276        }
 277
 278        TABLE_ALIAS_TOKENS = (
 279            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
 280        )
 281
 282        RANGE_PARSERS = {
 283            **parser.Parser.RANGE_PARSERS,
 284            TokenType.MEMBER_OF: lambda self, this: self.expression(
 285                exp.JSONArrayContains,
 286                this=this,
 287                expression=self._parse_wrapped(self._parse_expression),
 288            ),
 289        }
 290
 291        FUNCTIONS = {
 292            **parser.Parser.FUNCTIONS,
 293            "CONVERT_TZ": lambda args: exp.ConvertTimezone(
 294                source_tz=seq_get(args, 1), target_tz=seq_get(args, 2), timestamp=seq_get(args, 0)
 295            ),
 296            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
 297            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
 298            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
 299            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
 300            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 301            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 302            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 303            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 304            "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"),
 305            "ISNULL": isnull_to_is_null,
 306            "LOCATE": locate_to_strposition,
 307            "MAKETIME": exp.TimeFromParts.from_arg_list,
 308            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 309            "MONTHNAME": lambda args: exp.TimeToStr(
 310                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
 311                format=exp.Literal.string("%B"),
 312            ),
 313            "STR_TO_DATE": _str_to_date,
 314            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
 315            "TO_DAYS": lambda args: exp.paren(
 316                exp.DateDiff(
 317                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
 318                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
 319                    unit=exp.var("DAY"),
 320                )
 321                + 1
 322            ),
 323            "WEEK": lambda args: exp.Week(
 324                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
 325            ),
 326            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 327            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 328        }
 329
 330        FUNCTION_PARSERS = {
 331            **parser.Parser.FUNCTION_PARSERS,
 332            "CHAR": lambda self: self.expression(
 333                exp.Chr,
 334                expressions=self._parse_csv(self._parse_assignment),
 335                charset=self._match(TokenType.USING) and self._parse_var(),
 336            ),
 337            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
 338            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
 339            "VALUES": lambda self: self.expression(
 340                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
 341            ),
 342            "JSON_VALUE": lambda self: self._parse_json_value(),
 343        }
 344
 345        STATEMENT_PARSERS = {
 346            **parser.Parser.STATEMENT_PARSERS,
 347            TokenType.SHOW: lambda self: self._parse_show(),
 348        }
 349
 350        SHOW_PARSERS = {
 351            "BINARY LOGS": _show_parser("BINARY LOGS"),
 352            "MASTER LOGS": _show_parser("BINARY LOGS"),
 353            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
 354            "CHARACTER SET": _show_parser("CHARACTER SET"),
 355            "CHARSET": _show_parser("CHARACTER SET"),
 356            "COLLATION": _show_parser("COLLATION"),
 357            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
 358            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
 359            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
 360            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
 361            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
 362            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
 363            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
 364            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
 365            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
 366            "DATABASES": _show_parser("DATABASES"),
 367            "SCHEMAS": _show_parser("DATABASES"),
 368            "ENGINE": _show_parser("ENGINE", target=True),
 369            "STORAGE ENGINES": _show_parser("ENGINES"),
 370            "ENGINES": _show_parser("ENGINES"),
 371            "ERRORS": _show_parser("ERRORS"),
 372            "EVENTS": _show_parser("EVENTS"),
 373            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
 374            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
 375            "GRANTS": _show_parser("GRANTS", target="FOR"),
 376            "INDEX": _show_parser("INDEX", target="FROM"),
 377            "MASTER STATUS": _show_parser("MASTER STATUS"),
 378            "OPEN TABLES": _show_parser("OPEN TABLES"),
 379            "PLUGINS": _show_parser("PLUGINS"),
 380            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
 381            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
 382            "PRIVILEGES": _show_parser("PRIVILEGES"),
 383            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
 384            "PROCESSLIST": _show_parser("PROCESSLIST"),
 385            "PROFILE": _show_parser("PROFILE"),
 386            "PROFILES": _show_parser("PROFILES"),
 387            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
 388            "REPLICAS": _show_parser("REPLICAS"),
 389            "SLAVE HOSTS": _show_parser("REPLICAS"),
 390            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
 391            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
 392            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
 393            "SESSION STATUS": _show_parser("STATUS"),
 394            "STATUS": _show_parser("STATUS"),
 395            "TABLE STATUS": _show_parser("TABLE STATUS"),
 396            "FULL TABLES": _show_parser("TABLES", full=True),
 397            "TABLES": _show_parser("TABLES"),
 398            "TRIGGERS": _show_parser("TRIGGERS"),
 399            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
 400            "SESSION VARIABLES": _show_parser("VARIABLES"),
 401            "VARIABLES": _show_parser("VARIABLES"),
 402            "WARNINGS": _show_parser("WARNINGS"),
 403        }
 404
 405        PROPERTY_PARSERS = {
 406            **parser.Parser.PROPERTY_PARSERS,
 407            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
 408        }
 409
 410        SET_PARSERS = {
 411            **parser.Parser.SET_PARSERS,
 412            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
 413            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
 414            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
 415            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
 416            "NAMES": lambda self: self._parse_set_item_names(),
 417        }
 418
 419        CONSTRAINT_PARSERS = {
 420            **parser.Parser.CONSTRAINT_PARSERS,
 421            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
 422            "INDEX": lambda self: self._parse_index_constraint(),
 423            "KEY": lambda self: self._parse_index_constraint(),
 424            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
 425        }
 426
 427        ALTER_PARSERS = {
 428            **parser.Parser.ALTER_PARSERS,
 429            "MODIFY": lambda self: self._parse_alter_table_alter(),
 430        }
 431
 432        SCHEMA_UNNAMED_CONSTRAINTS = {
 433            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
 434            "FULLTEXT",
 435            "INDEX",
 436            "KEY",
 437            "SPATIAL",
 438        }
 439
 440        PROFILE_TYPES: parser.OPTIONS_TYPE = {
 441            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
 442            "BLOCK": ("IO",),
 443            "CONTEXT": ("SWITCHES",),
 444            "PAGE": ("FAULTS",),
 445        }
 446
 447        TYPE_TOKENS = {
 448            *parser.Parser.TYPE_TOKENS,
 449            TokenType.SET,
 450        }
 451
 452        ENUM_TYPE_TOKENS = {
 453            *parser.Parser.ENUM_TYPE_TOKENS,
 454            TokenType.SET,
 455        }
 456
 457        LOG_DEFAULTS_TO_LN = True
 458        STRING_ALIASES = True
 459        VALUES_FOLLOWED_BY_PAREN = False
 460        SUPPORTS_PARTITION_SELECTION = True
 461
 462        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
 463            this = self._parse_id_var()
 464            if not self._match(TokenType.L_PAREN):
 465                return this
 466
 467            expression = self._parse_number()
 468            self._match_r_paren()
 469            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
 470
 471        def _parse_index_constraint(
 472            self, kind: t.Optional[str] = None
 473        ) -> exp.IndexColumnConstraint:
 474            if kind:
 475                self._match_texts(("INDEX", "KEY"))
 476
 477            this = self._parse_id_var(any_token=False)
 478            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
 479            expressions = self._parse_wrapped_csv(self._parse_ordered)
 480
 481            options = []
 482            while True:
 483                if self._match_text_seq("KEY_BLOCK_SIZE"):
 484                    self._match(TokenType.EQ)
 485                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
 486                elif self._match(TokenType.USING):
 487                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
 488                elif self._match_text_seq("WITH", "PARSER"):
 489                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
 490                elif self._match(TokenType.COMMENT):
 491                    opt = exp.IndexConstraintOption(comment=self._parse_string())
 492                elif self._match_text_seq("VISIBLE"):
 493                    opt = exp.IndexConstraintOption(visible=True)
 494                elif self._match_text_seq("INVISIBLE"):
 495                    opt = exp.IndexConstraintOption(visible=False)
 496                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
 497                    self._match(TokenType.EQ)
 498                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
 499                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
 500                    self._match(TokenType.EQ)
 501                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
 502                else:
 503                    opt = None
 504
 505                if not opt:
 506                    break
 507
 508                options.append(opt)
 509
 510            return self.expression(
 511                exp.IndexColumnConstraint,
 512                this=this,
 513                expressions=expressions,
 514                kind=kind,
 515                index_type=index_type,
 516                options=options,
 517            )
 518
 519        def _parse_show_mysql(
 520            self,
 521            this: str,
 522            target: bool | str = False,
 523            full: t.Optional[bool] = None,
 524            global_: t.Optional[bool] = None,
 525        ) -> exp.Show:
 526            if target:
 527                if isinstance(target, str):
 528                    self._match_text_seq(target)
 529                target_id = self._parse_id_var()
 530            else:
 531                target_id = None
 532
 533            log = self._parse_string() if self._match_text_seq("IN") else None
 534
 535            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
 536                position = self._parse_number() if self._match_text_seq("FROM") else None
 537                db = None
 538            else:
 539                position = None
 540                db = None
 541
 542                if self._match(TokenType.FROM):
 543                    db = self._parse_id_var()
 544                elif self._match(TokenType.DOT):
 545                    db = target_id
 546                    target_id = self._parse_id_var()
 547
 548            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
 549
 550            like = self._parse_string() if self._match_text_seq("LIKE") else None
 551            where = self._parse_where()
 552
 553            if this == "PROFILE":
 554                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
 555                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
 556                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
 557                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
 558            else:
 559                types, query = None, None
 560                offset, limit = self._parse_oldstyle_limit()
 561
 562            mutex = True if self._match_text_seq("MUTEX") else None
 563            mutex = False if self._match_text_seq("STATUS") else mutex
 564
 565            return self.expression(
 566                exp.Show,
 567                this=this,
 568                target=target_id,
 569                full=full,
 570                log=log,
 571                position=position,
 572                db=db,
 573                channel=channel,
 574                like=like,
 575                where=where,
 576                types=types,
 577                query=query,
 578                offset=offset,
 579                limit=limit,
 580                mutex=mutex,
 581                **{"global": global_},  # type: ignore
 582            )
 583
 584        def _parse_oldstyle_limit(
 585            self,
 586        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
 587            limit = None
 588            offset = None
 589            if self._match_text_seq("LIMIT"):
 590                parts = self._parse_csv(self._parse_number)
 591                if len(parts) == 1:
 592                    limit = parts[0]
 593                elif len(parts) == 2:
 594                    limit = parts[1]
 595                    offset = parts[0]
 596
 597            return offset, limit
 598
 599        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
 600            this = self._parse_string() or self._parse_unquoted_field()
 601            return self.expression(exp.SetItem, this=this, kind=kind)
 602
 603        def _parse_set_item_names(self) -> exp.Expression:
 604            charset = self._parse_string() or self._parse_unquoted_field()
 605            if self._match_text_seq("COLLATE"):
 606                collate = self._parse_string() or self._parse_unquoted_field()
 607            else:
 608                collate = None
 609
 610            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
 611
 612        def _parse_type(
 613            self, parse_interval: bool = True, fallback_to_identifier: bool = False
 614        ) -> t.Optional[exp.Expression]:
 615            # mysql binary is special and can work anywhere, even in order by operations
 616            # it operates like a no paren func
 617            if self._match(TokenType.BINARY, advance=False):
 618                data_type = self._parse_types(check_func=True, allow_identifiers=False)
 619
 620                if isinstance(data_type, exp.DataType):
 621                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
 622
 623            return super()._parse_type(
 624                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
 625            )
 626
 627        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
 628            def concat_exprs(
 629                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
 630            ) -> exp.Expression:
 631                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
 632                    concat_exprs = [
 633                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
 634                    ]
 635                    node.set("expressions", concat_exprs)
 636                    return node
 637                if len(exprs) == 1:
 638                    return exprs[0]
 639                return self.expression(exp.Concat, expressions=args, safe=True)
 640
 641            args = self._parse_csv(self._parse_lambda)
 642
 643            if args:
 644                order = args[-1] if isinstance(args[-1], exp.Order) else None
 645
 646                if order:
 647                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
 648                    # remove 'expr' from exp.Order and add it back to args
 649                    args[-1] = order.this
 650                    order.set("this", concat_exprs(order.this, args))
 651
 652                this = order or concat_exprs(args[0], args)
 653            else:
 654                this = None
 655
 656            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
 657
 658            return self.expression(exp.GroupConcat, this=this, separator=separator)
 659
 660        def _parse_json_value(self) -> exp.JSONValue:
 661            this = self._parse_bitwise()
 662            self._match(TokenType.COMMA)
 663            path = self._parse_bitwise()
 664
 665            returning = self._match(TokenType.RETURNING) and self._parse_type()
 666
 667            return self.expression(
 668                exp.JSONValue,
 669                this=this,
 670                path=self.dialect.to_json_path(path),
 671                returning=returning,
 672                on_condition=self._parse_on_condition(),
 673            )
 674
 675    class Generator(generator.Generator):
 676        INTERVAL_ALLOWS_PLURAL_FORM = False
 677        LOCKING_READS_SUPPORTED = True
 678        NULL_ORDERING_SUPPORTED = None
 679        JOIN_HINTS = False
 680        TABLE_HINTS = True
 681        DUPLICATE_KEY_UPDATE_WITH_SET = False
 682        QUERY_HINT_SEP = " "
 683        VALUES_AS_TABLE = False
 684        NVL2_SUPPORTED = False
 685        LAST_DAY_SUPPORTS_DATE_PART = False
 686        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
 687        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
 688        JSON_KEY_VALUE_PAIR_SEP = ","
 689        SUPPORTS_TO_NUMBER = False
 690        PARSE_JSON_NAME: t.Optional[str] = None
 691        PAD_FILL_PATTERN_IS_REQUIRED = True
 692        WRAP_DERIVED_VALUES = False
 693        VARCHAR_REQUIRES_SIZE = True
 694
 695        TRANSFORMS = {
 696            **generator.Generator.TRANSFORMS,
 697            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
 698            exp.CurrentDate: no_paren_current_date_sql,
 699            exp.DateDiff: _remove_ts_or_ds_to_date(
 700                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
 701            ),
 702            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
 703            exp.DateStrToDate: datestrtodate_sql,
 704            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
 705            exp.DateTrunc: _date_trunc_sql,
 706            exp.Day: _remove_ts_or_ds_to_date(),
 707            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
 708            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
 709            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
 710            exp.GroupConcat: lambda self,
 711            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
 712            exp.ILike: no_ilike_sql,
 713            exp.JSONExtractScalar: arrow_json_extract_sql,
 714            exp.Max: max_or_greatest,
 715            exp.Min: min_or_least,
 716            exp.Month: _remove_ts_or_ds_to_date(),
 717            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
 718            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
 719            exp.Pivot: no_pivot_sql,
 720            exp.Select: transforms.preprocess(
 721                [
 722                    transforms.eliminate_distinct_on,
 723                    transforms.eliminate_semi_and_anti_joins,
 724                    transforms.eliminate_qualify,
 725                    transforms.eliminate_full_outer_join,
 726                    transforms.unnest_generate_date_array_using_recursive_cte,
 727                ]
 728            ),
 729            exp.StrPosition: strposition_to_locate_sql,
 730            exp.StrToDate: _str_to_date_sql,
 731            exp.StrToTime: _str_to_date_sql,
 732            exp.Stuff: rename_func("INSERT"),
 733            exp.TableSample: no_tablesample_sql,
 734            exp.TimeFromParts: rename_func("MAKETIME"),
 735            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
 736            exp.TimestampDiff: lambda self, e: self.func(
 737                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
 738            ),
 739            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
 740            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
 741            exp.TimeStrToTime: lambda self, e: timestrtotime_sql(
 742                self,
 743                e,
 744                include_precision=not e.args.get("zone"),
 745            ),
 746            exp.TimeToStr: _remove_ts_or_ds_to_date(
 747                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
 748            ),
 749            exp.Trim: trim_sql,
 750            exp.TryCast: no_trycast_sql,
 751            exp.TsOrDsAdd: date_add_sql("ADD"),
 752            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
 753            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
 754            exp.UnixToTime: _unix_to_time_sql,
 755            exp.Week: _remove_ts_or_ds_to_date(),
 756            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
 757            exp.Year: _remove_ts_or_ds_to_date(),
 758        }
 759
 760        UNSIGNED_TYPE_MAPPING = {
 761            exp.DataType.Type.UBIGINT: "BIGINT",
 762            exp.DataType.Type.UINT: "INT",
 763            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
 764            exp.DataType.Type.USMALLINT: "SMALLINT",
 765            exp.DataType.Type.UTINYINT: "TINYINT",
 766            exp.DataType.Type.UDECIMAL: "DECIMAL",
 767        }
 768
 769        TIMESTAMP_TYPE_MAPPING = {
 770            exp.DataType.Type.TIMESTAMP: "DATETIME",
 771            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
 772            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
 773        }
 774
 775        TYPE_MAPPING = {
 776            **generator.Generator.TYPE_MAPPING,
 777            **UNSIGNED_TYPE_MAPPING,
 778            **TIMESTAMP_TYPE_MAPPING,
 779        }
 780
 781        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
 782        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
 783        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
 784        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
 785        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
 786        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
 787
 788        PROPERTIES_LOCATION = {
 789            **generator.Generator.PROPERTIES_LOCATION,
 790            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
 791            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
 792        }
 793
 794        LIMIT_FETCH = "LIMIT"
 795
 796        LIMIT_ONLY_LITERALS = True
 797
 798        CHAR_CAST_MAPPING = dict.fromkeys(
 799            (
 800                exp.DataType.Type.LONGTEXT,
 801                exp.DataType.Type.LONGBLOB,
 802                exp.DataType.Type.MEDIUMBLOB,
 803                exp.DataType.Type.MEDIUMTEXT,
 804                exp.DataType.Type.TEXT,
 805                exp.DataType.Type.TINYBLOB,
 806                exp.DataType.Type.TINYTEXT,
 807                exp.DataType.Type.VARCHAR,
 808            ),
 809            "CHAR",
 810        )
 811        SIGNED_CAST_MAPPING = dict.fromkeys(
 812            (
 813                exp.DataType.Type.BIGINT,
 814                exp.DataType.Type.BOOLEAN,
 815                exp.DataType.Type.INT,
 816                exp.DataType.Type.SMALLINT,
 817                exp.DataType.Type.TINYINT,
 818                exp.DataType.Type.MEDIUMINT,
 819            ),
 820            "SIGNED",
 821        )
 822
 823        # MySQL doesn't support many datatypes in cast.
 824        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
 825        CAST_MAPPING = {
 826            **CHAR_CAST_MAPPING,
 827            **SIGNED_CAST_MAPPING,
 828            exp.DataType.Type.UBIGINT: "UNSIGNED",
 829        }
 830
 831        TIMESTAMP_FUNC_TYPES = {
 832            exp.DataType.Type.TIMESTAMPTZ,
 833            exp.DataType.Type.TIMESTAMPLTZ,
 834        }
 835
 836        # https://dev.mysql.com/doc/refman/8.0/en/keywords.html
 837        RESERVED_KEYWORDS = {
 838            "accessible",
 839            "add",
 840            "all",
 841            "alter",
 842            "analyze",
 843            "and",
 844            "as",
 845            "asc",
 846            "asensitive",
 847            "before",
 848            "between",
 849            "bigint",
 850            "binary",
 851            "blob",
 852            "both",
 853            "by",
 854            "call",
 855            "cascade",
 856            "case",
 857            "change",
 858            "char",
 859            "character",
 860            "check",
 861            "collate",
 862            "column",
 863            "condition",
 864            "constraint",
 865            "continue",
 866            "convert",
 867            "create",
 868            "cross",
 869            "cube",
 870            "cume_dist",
 871            "current_date",
 872            "current_time",
 873            "current_timestamp",
 874            "current_user",
 875            "cursor",
 876            "database",
 877            "databases",
 878            "day_hour",
 879            "day_microsecond",
 880            "day_minute",
 881            "day_second",
 882            "dec",
 883            "decimal",
 884            "declare",
 885            "default",
 886            "delayed",
 887            "delete",
 888            "dense_rank",
 889            "desc",
 890            "describe",
 891            "deterministic",
 892            "distinct",
 893            "distinctrow",
 894            "div",
 895            "double",
 896            "drop",
 897            "dual",
 898            "each",
 899            "else",
 900            "elseif",
 901            "empty",
 902            "enclosed",
 903            "escaped",
 904            "except",
 905            "exists",
 906            "exit",
 907            "explain",
 908            "false",
 909            "fetch",
 910            "first_value",
 911            "float",
 912            "float4",
 913            "float8",
 914            "for",
 915            "force",
 916            "foreign",
 917            "from",
 918            "fulltext",
 919            "function",
 920            "generated",
 921            "get",
 922            "grant",
 923            "group",
 924            "grouping",
 925            "groups",
 926            "having",
 927            "high_priority",
 928            "hour_microsecond",
 929            "hour_minute",
 930            "hour_second",
 931            "if",
 932            "ignore",
 933            "in",
 934            "index",
 935            "infile",
 936            "inner",
 937            "inout",
 938            "insensitive",
 939            "insert",
 940            "int",
 941            "int1",
 942            "int2",
 943            "int3",
 944            "int4",
 945            "int8",
 946            "integer",
 947            "intersect",
 948            "interval",
 949            "into",
 950            "io_after_gtids",
 951            "io_before_gtids",
 952            "is",
 953            "iterate",
 954            "join",
 955            "json_table",
 956            "key",
 957            "keys",
 958            "kill",
 959            "lag",
 960            "last_value",
 961            "lateral",
 962            "lead",
 963            "leading",
 964            "leave",
 965            "left",
 966            "like",
 967            "limit",
 968            "linear",
 969            "lines",
 970            "load",
 971            "localtime",
 972            "localtimestamp",
 973            "lock",
 974            "long",
 975            "longblob",
 976            "longtext",
 977            "loop",
 978            "low_priority",
 979            "master_bind",
 980            "master_ssl_verify_server_cert",
 981            "match",
 982            "maxvalue",
 983            "mediumblob",
 984            "mediumint",
 985            "mediumtext",
 986            "middleint",
 987            "minute_microsecond",
 988            "minute_second",
 989            "mod",
 990            "modifies",
 991            "natural",
 992            "not",
 993            "no_write_to_binlog",
 994            "nth_value",
 995            "ntile",
 996            "null",
 997            "numeric",
 998            "of",
 999            "on",
1000            "optimize",
1001            "optimizer_costs",
1002            "option",
1003            "optionally",
1004            "or",
1005            "order",
1006            "out",
1007            "outer",
1008            "outfile",
1009            "over",
1010            "partition",
1011            "percent_rank",
1012            "precision",
1013            "primary",
1014            "procedure",
1015            "purge",
1016            "range",
1017            "rank",
1018            "read",
1019            "reads",
1020            "read_write",
1021            "real",
1022            "recursive",
1023            "references",
1024            "regexp",
1025            "release",
1026            "rename",
1027            "repeat",
1028            "replace",
1029            "require",
1030            "resignal",
1031            "restrict",
1032            "return",
1033            "revoke",
1034            "right",
1035            "rlike",
1036            "row",
1037            "rows",
1038            "row_number",
1039            "schema",
1040            "schemas",
1041            "second_microsecond",
1042            "select",
1043            "sensitive",
1044            "separator",
1045            "set",
1046            "show",
1047            "signal",
1048            "smallint",
1049            "spatial",
1050            "specific",
1051            "sql",
1052            "sqlexception",
1053            "sqlstate",
1054            "sqlwarning",
1055            "sql_big_result",
1056            "sql_calc_found_rows",
1057            "sql_small_result",
1058            "ssl",
1059            "starting",
1060            "stored",
1061            "straight_join",
1062            "system",
1063            "table",
1064            "terminated",
1065            "then",
1066            "tinyblob",
1067            "tinyint",
1068            "tinytext",
1069            "to",
1070            "trailing",
1071            "trigger",
1072            "true",
1073            "undo",
1074            "union",
1075            "unique",
1076            "unlock",
1077            "unsigned",
1078            "update",
1079            "usage",
1080            "use",
1081            "using",
1082            "utc_date",
1083            "utc_time",
1084            "utc_timestamp",
1085            "values",
1086            "varbinary",
1087            "varchar",
1088            "varcharacter",
1089            "varying",
1090            "virtual",
1091            "when",
1092            "where",
1093            "while",
1094            "window",
1095            "with",
1096            "write",
1097            "xor",
1098            "year_month",
1099            "zerofill",
1100        }
1101
1102        def array_sql(self, expression: exp.Array) -> str:
1103            self.unsupported("Arrays are not supported by MySQL")
1104            return self.function_fallback_sql(expression)
1105
1106        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1107            self.unsupported("Array operations are not supported by MySQL")
1108            return self.function_fallback_sql(expression)
1109
1110        def dpipe_sql(self, expression: exp.DPipe) -> str:
1111            return self.func("CONCAT", *expression.flatten())
1112
1113        def extract_sql(self, expression: exp.Extract) -> str:
1114            unit = expression.name
1115            if unit and unit.lower() == "epoch":
1116                return self.func("UNIX_TIMESTAMP", expression.expression)
1117
1118            return super().extract_sql(expression)
1119
1120        def datatype_sql(self, expression: exp.DataType) -> str:
1121            if (
1122                self.VARCHAR_REQUIRES_SIZE
1123                and expression.is_type(exp.DataType.Type.VARCHAR)
1124                and not expression.expressions
1125            ):
1126                # `VARCHAR` must always have a size - if it doesn't, we always generate `TEXT`
1127                return "TEXT"
1128
1129            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1130            result = super().datatype_sql(expression)
1131            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1132                result = f"{result} UNSIGNED"
1133
1134            return result
1135
1136        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1137            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
1138
1139        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1140            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1141                return self.func("TIMESTAMP", expression.this)
1142
1143            to = self.CAST_MAPPING.get(expression.to.this)
1144
1145            if to:
1146                expression.to.set("this", to)
1147            return super().cast_sql(expression)
1148
1149        def show_sql(self, expression: exp.Show) -> str:
1150            this = f" {expression.name}"
1151            full = " FULL" if expression.args.get("full") else ""
1152            global_ = " GLOBAL" if expression.args.get("global") else ""
1153
1154            target = self.sql(expression, "target")
1155            target = f" {target}" if target else ""
1156            if expression.name in ("COLUMNS", "INDEX"):
1157                target = f" FROM{target}"
1158            elif expression.name == "GRANTS":
1159                target = f" FOR{target}"
1160
1161            db = self._prefixed_sql("FROM", expression, "db")
1162
1163            like = self._prefixed_sql("LIKE", expression, "like")
1164            where = self.sql(expression, "where")
1165
1166            types = self.expressions(expression, key="types")
1167            types = f" {types}" if types else types
1168            query = self._prefixed_sql("FOR QUERY", expression, "query")
1169
1170            if expression.name == "PROFILE":
1171                offset = self._prefixed_sql("OFFSET", expression, "offset")
1172                limit = self._prefixed_sql("LIMIT", expression, "limit")
1173            else:
1174                offset = ""
1175                limit = self._oldstyle_limit_sql(expression)
1176
1177            log = self._prefixed_sql("IN", expression, "log")
1178            position = self._prefixed_sql("FROM", expression, "position")
1179
1180            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1181
1182            if expression.name == "ENGINE":
1183                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1184            else:
1185                mutex_or_status = ""
1186
1187            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
1188
1189        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1190            dtype = self.sql(expression, "dtype")
1191            if not dtype:
1192                return super().altercolumn_sql(expression)
1193
1194            this = self.sql(expression, "this")
1195            return f"MODIFY COLUMN {this} {dtype}"
1196
1197        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
1198            sql = self.sql(expression, arg)
1199            return f" {prefix} {sql}" if sql else ""
1200
1201        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
1202            limit = self.sql(expression, "limit")
1203            offset = self.sql(expression, "offset")
1204            if limit:
1205                limit_offset = f"{offset}, {limit}" if offset else limit
1206                return f" LIMIT {limit_offset}"
1207            return ""
1208
1209        def chr_sql(self, expression: exp.Chr) -> str:
1210            this = self.expressions(sqls=[expression.this] + expression.expressions)
1211            charset = expression.args.get("charset")
1212            using = f" USING {self.sql(charset)}" if charset else ""
1213            return f"CHAR({this}{using})"
1214
1215        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1216            unit = expression.args.get("unit")
1217
1218            # Pick an old-enough date to avoid negative timestamp diffs
1219            start_ts = "'0000-01-01 00:00:00'"
1220
1221            # Source: https://stackoverflow.com/a/32955740
1222            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1223            interval = exp.Interval(this=timestamp_diff, unit=unit)
1224            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1225
1226            return self.sql(dateadd)
1227
1228        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1229            from_tz = expression.args.get("source_tz")
1230            to_tz = expression.args.get("target_tz")
1231            dt = expression.args.get("timestamp")
1232
1233            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
1234
1235        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1236            self.unsupported("AT TIME ZONE is not supported by MySQL")
1237            return self.sql(expression.this)
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):
180    class Tokenizer(tokens.Tokenizer):
181        QUOTES = ["'", '"']
182        COMMENTS = ["--", "#", ("/*", "*/")]
183        IDENTIFIERS = ["`"]
184        STRING_ESCAPES = ["'", '"', "\\"]
185        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
186        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
187
188        KEYWORDS = {
189            **tokens.Tokenizer.KEYWORDS,
190            "CHARSET": TokenType.CHARACTER_SET,
191            "FORCE": TokenType.FORCE,
192            "IGNORE": TokenType.IGNORE,
193            "KEY": TokenType.KEY,
194            "LOCK TABLES": TokenType.COMMAND,
195            "LONGBLOB": TokenType.LONGBLOB,
196            "LONGTEXT": TokenType.LONGTEXT,
197            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
198            "TINYBLOB": TokenType.TINYBLOB,
199            "TINYTEXT": TokenType.TINYTEXT,
200            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
201            "MEDIUMINT": TokenType.MEDIUMINT,
202            "MEMBER OF": TokenType.MEMBER_OF,
203            "SEPARATOR": TokenType.SEPARATOR,
204            "START": TokenType.BEGIN,
205            "SIGNED": TokenType.BIGINT,
206            "SIGNED INTEGER": TokenType.BIGINT,
207            "UNLOCK TABLES": TokenType.COMMAND,
208            "UNSIGNED": TokenType.UBIGINT,
209            "UNSIGNED INTEGER": TokenType.UBIGINT,
210            "YEAR": TokenType.YEAR,
211            "_ARMSCII8": TokenType.INTRODUCER,
212            "_ASCII": TokenType.INTRODUCER,
213            "_BIG5": TokenType.INTRODUCER,
214            "_BINARY": TokenType.INTRODUCER,
215            "_CP1250": TokenType.INTRODUCER,
216            "_CP1251": TokenType.INTRODUCER,
217            "_CP1256": TokenType.INTRODUCER,
218            "_CP1257": TokenType.INTRODUCER,
219            "_CP850": TokenType.INTRODUCER,
220            "_CP852": TokenType.INTRODUCER,
221            "_CP866": TokenType.INTRODUCER,
222            "_CP932": TokenType.INTRODUCER,
223            "_DEC8": TokenType.INTRODUCER,
224            "_EUCJPMS": TokenType.INTRODUCER,
225            "_EUCKR": TokenType.INTRODUCER,
226            "_GB18030": TokenType.INTRODUCER,
227            "_GB2312": TokenType.INTRODUCER,
228            "_GBK": TokenType.INTRODUCER,
229            "_GEOSTD8": TokenType.INTRODUCER,
230            "_GREEK": TokenType.INTRODUCER,
231            "_HEBREW": TokenType.INTRODUCER,
232            "_HP8": TokenType.INTRODUCER,
233            "_KEYBCS2": TokenType.INTRODUCER,
234            "_KOI8R": TokenType.INTRODUCER,
235            "_KOI8U": TokenType.INTRODUCER,
236            "_LATIN1": TokenType.INTRODUCER,
237            "_LATIN2": TokenType.INTRODUCER,
238            "_LATIN5": TokenType.INTRODUCER,
239            "_LATIN7": TokenType.INTRODUCER,
240            "_MACCE": TokenType.INTRODUCER,
241            "_MACROMAN": TokenType.INTRODUCER,
242            "_SJIS": TokenType.INTRODUCER,
243            "_SWE7": TokenType.INTRODUCER,
244            "_TIS620": TokenType.INTRODUCER,
245            "_UCS2": TokenType.INTRODUCER,
246            "_UJIS": TokenType.INTRODUCER,
247            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
248            "_UTF8": TokenType.INTRODUCER,
249            "_UTF16": TokenType.INTRODUCER,
250            "_UTF16LE": TokenType.INTRODUCER,
251            "_UTF32": TokenType.INTRODUCER,
252            "_UTF8MB3": TokenType.INTRODUCER,
253            "_UTF8MB4": TokenType.INTRODUCER,
254            "@@": TokenType.SESSION_PARAMETER,
255        }
256
257        COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW}
QUOTES = ["'", '"']
COMMENTS = ['--', '#', ('/*', '*/')]
IDENTIFIERS = ['`']
STRING_ESCAPES = ["'", '"', '\\']
BIT_STRINGS = [("b'", "'"), ("B'", "'"), ('0b', '')]
HEX_STRINGS = [("x'", "'"), ("X'", "'"), ('0x', '')]
KEYWORDS = {'{%': <TokenType.BLOCK_START: 'BLOCK_START'>, '{%+': <TokenType.BLOCK_START: 'BLOCK_START'>, '{%-': <TokenType.BLOCK_START: 'BLOCK_START'>, '%}': <TokenType.BLOCK_END: 'BLOCK_END'>, '+%}': <TokenType.BLOCK_END: 'BLOCK_END'>, '-%}': <TokenType.BLOCK_END: 'BLOCK_END'>, '{{+': <TokenType.BLOCK_START: 'BLOCK_START'>, '{{-': <TokenType.BLOCK_START: 'BLOCK_START'>, '+}}': <TokenType.BLOCK_END: 'BLOCK_END'>, '-}}': <TokenType.BLOCK_END: 'BLOCK_END'>, '/*+': <TokenType.HINT: 'HINT'>, '==': <TokenType.EQ: 'EQ'>, '::': <TokenType.DCOLON: 'DCOLON'>, '||': <TokenType.DPIPE: 'DPIPE'>, '>=': <TokenType.GTE: 'GTE'>, '<=': <TokenType.LTE: 'LTE'>, '<>': <TokenType.NEQ: 'NEQ'>, '!=': <TokenType.NEQ: 'NEQ'>, ':=': <TokenType.COLON_EQ: 'COLON_EQ'>, '<=>': <TokenType.NULLSAFE_EQ: 'NULLSAFE_EQ'>, '->': <TokenType.ARROW: 'ARROW'>, '->>': <TokenType.DARROW: 'DARROW'>, '=>': <TokenType.FARROW: 'FARROW'>, '#>': <TokenType.HASH_ARROW: 'HASH_ARROW'>, '#>>': <TokenType.DHASH_ARROW: 'DHASH_ARROW'>, '<->': <TokenType.LR_ARROW: 'LR_ARROW'>, '&&': <TokenType.DAMP: 'DAMP'>, '??': <TokenType.DQMARK: 'DQMARK'>, '~~~': <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_TIME': <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, 'CURRENT_TIMESTAMP': <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, 'CURRENT_USER': <TokenType.CURRENT_USER: 'CURRENT_USER'>, 'DATABASE': <TokenType.DATABASE: 'DATABASE'>, 'DEFAULT': <TokenType.DEFAULT: 'DEFAULT'>, 'DELETE': <TokenType.DELETE: 'DELETE'>, 'DESC': <TokenType.DESC: 'DESC'>, 'DESCRIBE': <TokenType.DESCRIBE: 'DESCRIBE'>, 'DISTINCT': <TokenType.DISTINCT: 'DISTINCT'>, 'DISTRIBUTE BY': <TokenType.DISTRIBUTE_BY: 'DISTRIBUTE_BY'>, 'DIV': <TokenType.DIV: 'DIV'>, 'DROP': <TokenType.DROP: 'DROP'>, 'ELSE': <TokenType.ELSE: 'ELSE'>, 'END': <TokenType.END: 'END'>, 'ENUM': <TokenType.ENUM: 'ENUM'>, 'ESCAPE': <TokenType.ESCAPE: 'ESCAPE'>, 'EXCEPT': <TokenType.EXCEPT: 'EXCEPT'>, 'EXECUTE': <TokenType.EXECUTE: 'EXECUTE'>, 'EXISTS': <TokenType.EXISTS: 'EXISTS'>, 'FALSE': <TokenType.FALSE: 'FALSE'>, 'FETCH': <TokenType.FETCH: 'FETCH'>, 'FILTER': <TokenType.FILTER: 'FILTER'>, 'FIRST': <TokenType.FIRST: 'FIRST'>, 'FULL': <TokenType.FULL: 'FULL'>, 'FUNCTION': <TokenType.FUNCTION: 'FUNCTION'>, 'FOR': <TokenType.FOR: 'FOR'>, 'FOREIGN KEY': <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, 'FORMAT': <TokenType.FORMAT: 'FORMAT'>, 'FROM': <TokenType.FROM: 'FROM'>, 'GEOGRAPHY': <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, 'GEOMETRY': <TokenType.GEOMETRY: 'GEOMETRY'>, 'GLOB': <TokenType.GLOB: 'GLOB'>, 'GROUP BY': <TokenType.GROUP_BY: 'GROUP_BY'>, 'GROUPING SETS': <TokenType.GROUPING_SETS: 'GROUPING_SETS'>, 'HAVING': <TokenType.HAVING: 'HAVING'>, 'ILIKE': <TokenType.ILIKE: 'ILIKE'>, 'IN': <TokenType.IN: 'IN'>, 'INDEX': <TokenType.INDEX: 'INDEX'>, 'INET': <TokenType.INET: 'INET'>, 'INNER': <TokenType.INNER: 'INNER'>, 'INSERT': <TokenType.INSERT: 'INSERT'>, 'INTERVAL': <TokenType.INTERVAL: 'INTERVAL'>, 'INTERSECT': <TokenType.INTERSECT: 'INTERSECT'>, 'INTO': <TokenType.INTO: 'INTO'>, 'IS': <TokenType.IS: 'IS'>, 'ISNULL': <TokenType.ISNULL: 'ISNULL'>, 'JOIN': <TokenType.JOIN: 'JOIN'>, 'KEEP': <TokenType.KEEP: 'KEEP'>, 'KILL': <TokenType.KILL: 'KILL'>, 'LATERAL': <TokenType.LATERAL: 'LATERAL'>, 'LEFT': <TokenType.LEFT: 'LEFT'>, 'LIKE': <TokenType.LIKE: 'LIKE'>, 'LIMIT': <TokenType.LIMIT: 'LIMIT'>, 'LOAD': <TokenType.LOAD: 'LOAD'>, 'LOCK': <TokenType.LOCK: 'LOCK'>, 'MERGE': <TokenType.MERGE: 'MERGE'>, 'NATURAL': <TokenType.NATURAL: 'NATURAL'>, 'NEXT': <TokenType.NEXT: 'NEXT'>, 'NOT': <TokenType.NOT: 'NOT'>, 'NOTNULL': <TokenType.NOTNULL: 'NOTNULL'>, 'NULL': <TokenType.NULL: 'NULL'>, 'OBJECT': <TokenType.OBJECT: 'OBJECT'>, 'OFFSET': <TokenType.OFFSET: 'OFFSET'>, 'ON': <TokenType.ON: 'ON'>, 'OR': <TokenType.OR: 'OR'>, 'XOR': <TokenType.XOR: 'XOR'>, 'ORDER BY': <TokenType.ORDER_BY: 'ORDER_BY'>, 'ORDINALITY': <TokenType.ORDINALITY: 'ORDINALITY'>, 'OUTER': <TokenType.OUTER: 'OUTER'>, 'OVER': <TokenType.OVER: 'OVER'>, 'OVERLAPS': <TokenType.OVERLAPS: 'OVERLAPS'>, 'OVERWRITE': <TokenType.OVERWRITE: 'OVERWRITE'>, 'PARTITION': <TokenType.PARTITION: 'PARTITION'>, 'PARTITION BY': <TokenType.PARTITION_BY: 'PARTITION_BY'>, 'PARTITIONED BY': <TokenType.PARTITION_BY: 'PARTITION_BY'>, 'PARTITIONED_BY': <TokenType.PARTITION_BY: 'PARTITION_BY'>, 'PERCENT': <TokenType.PERCENT: 'PERCENT'>, 'PIVOT': <TokenType.PIVOT: 'PIVOT'>, 'PRAGMA': <TokenType.PRAGMA: 'PRAGMA'>, 'PRIMARY KEY': <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, 'PROCEDURE': <TokenType.PROCEDURE: 'PROCEDURE'>, 'QUALIFY': <TokenType.QUALIFY: 'QUALIFY'>, 'RANGE': <TokenType.RANGE: 'RANGE'>, 'RECURSIVE': <TokenType.RECURSIVE: 'RECURSIVE'>, 'REGEXP': <TokenType.RLIKE: 'RLIKE'>, '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'>, 'INT128': <TokenType.INT128: 'INT128'>, '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'>, 'LONG': <TokenType.BIGINT: 'BIGINT'>, 'BIGINT': <TokenType.BIGINT: 'BIGINT'>, 'INT8': <TokenType.TINYINT: 'TINYINT'>, 'UINT': <TokenType.UINT: 'UINT'>, 'DEC': <TokenType.DECIMAL: 'DECIMAL'>, 'DECIMAL': <TokenType.DECIMAL: 'DECIMAL'>, 'DECIMAL32': <TokenType.DECIMAL32: 'DECIMAL32'>, 'DECIMAL64': <TokenType.DECIMAL64: 'DECIMAL64'>, 'DECIMAL128': <TokenType.DECIMAL128: 'DECIMAL128'>, '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'>, 'NCHAR': <TokenType.NCHAR: 'NCHAR'>, 'VARCHAR': <TokenType.VARCHAR: 'VARCHAR'>, 'VARCHAR2': <TokenType.VARCHAR: 'VARCHAR'>, 'NVARCHAR': <TokenType.NVARCHAR: 'NVARCHAR'>, 'NVARCHAR2': <TokenType.NVARCHAR: 'NVARCHAR'>, 'BPCHAR': <TokenType.BPCHAR: 'BPCHAR'>, 'STR': <TokenType.TEXT: 'TEXT'>, 'STRING': <TokenType.TEXT: 'TEXT'>, 'TEXT': <TokenType.TEXT: 'TEXT'>, 'LONGTEXT': <TokenType.LONGTEXT: 'LONGTEXT'>, 'MEDIUMTEXT': <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, 'TINYTEXT': <TokenType.TINYTEXT: 'TINYTEXT'>, 'CLOB': <TokenType.TEXT: 'TEXT'>, 'LONGVARCHAR': <TokenType.TEXT: 'TEXT'>, 'BINARY': <TokenType.BINARY: 'BINARY'>, 'BLOB': <TokenType.VARBINARY: 'VARBINARY'>, 'LONGBLOB': <TokenType.LONGBLOB: 'LONGBLOB'>, 'MEDIUMBLOB': <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, 'TINYBLOB': <TokenType.TINYBLOB: 'TINYBLOB'>, 'BYTEA': <TokenType.VARBINARY: 'VARBINARY'>, 'VARBINARY': <TokenType.VARBINARY: 'VARBINARY'>, 'TIME': <TokenType.TIME: 'TIME'>, 'TIMETZ': <TokenType.TIMETZ: 'TIMETZ'>, 'TIMESTAMP': <TokenType.TIMESTAMP: 'TIMESTAMP'>, 'TIMESTAMPTZ': <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, 'TIMESTAMPLTZ': <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, 'TIMESTAMP_LTZ': <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, 'TIMESTAMPNTZ': <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, 'TIMESTAMP_NTZ': <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, 'DATE': <TokenType.DATE: 'DATE'>, 'DATETIME': <TokenType.DATETIME: 'DATETIME'>, 'INT4RANGE': <TokenType.INT4RANGE: 'INT4RANGE'>, 'INT4MULTIRANGE': <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, 'INT8RANGE': <TokenType.INT8RANGE: 'INT8RANGE'>, 'INT8MULTIRANGE': <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, 'NUMRANGE': <TokenType.NUMRANGE: 'NUMRANGE'>, 'NUMMULTIRANGE': <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, 'TSRANGE': <TokenType.TSRANGE: 'TSRANGE'>, 'TSMULTIRANGE': <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, 'TSTZRANGE': <TokenType.TSTZRANGE: 'TSTZRANGE'>, 'TSTZMULTIRANGE': <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, 'DATERANGE': <TokenType.DATERANGE: 'DATERANGE'>, 'DATEMULTIRANGE': <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, 'UNIQUE': <TokenType.UNIQUE: 'UNIQUE'>, 'VECTOR': <TokenType.VECTOR: 'VECTOR'>, 'STRUCT': <TokenType.STRUCT: 'STRUCT'>, 'SEQUENCE': <TokenType.SEQUENCE: 'SEQUENCE'>, 'VARIANT': <TokenType.VARIANT: 'VARIANT'>, 'ALTER': <TokenType.ALTER: 'ALTER'>, 'ANALYZE': <TokenType.COMMAND: 'COMMAND'>, 'CALL': <TokenType.COMMAND: 'COMMAND'>, 'COMMENT': <TokenType.COMMENT: 'COMMENT'>, 'EXPLAIN': <TokenType.COMMAND: 'COMMAND'>, 'GRANT': <TokenType.GRANT: 'GRANT'>, 'OPTIMIZE': <TokenType.COMMAND: 'COMMAND'>, 'PREPARE': <TokenType.COMMAND: 'COMMAND'>, 'VACUUM': <TokenType.COMMAND: 'COMMAND'>, 'USER-DEFINED': <TokenType.USERDEFINED: 'USERDEFINED'>, 'FOR VERSION': <TokenType.VERSION_SNAPSHOT: 'VERSION_SNAPSHOT'>, 'FOR TIMESTAMP': <TokenType.TIMESTAMP_SNAPSHOT: 'TIMESTAMP_SNAPSHOT'>, 'CHARSET': <TokenType.CHARACTER_SET: 'CHARACTER_SET'>, 'FORCE': <TokenType.FORCE: 'FORCE'>, 'IGNORE': <TokenType.IGNORE: 'IGNORE'>, 'KEY': <TokenType.KEY: 'KEY'>, 'LOCK TABLES': <TokenType.COMMAND: 'COMMAND'>, 'MEMBER OF': <TokenType.MEMBER_OF: 'MEMBER_OF'>, 'SEPARATOR': <TokenType.SEPARATOR: 'SEPARATOR'>, '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.COMMAND: 'COMMAND'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.RENAME: 'RENAME'>, <TokenType.FETCH: 'FETCH'>}
class MySQL.Parser(sqlglot.parser.Parser):
259    class Parser(parser.Parser):
260        FUNC_TOKENS = {
261            *parser.Parser.FUNC_TOKENS,
262            TokenType.DATABASE,
263            TokenType.SCHEMA,
264            TokenType.VALUES,
265        }
266
267        CONJUNCTION = {
268            **parser.Parser.CONJUNCTION,
269            TokenType.DAMP: exp.And,
270            TokenType.XOR: exp.Xor,
271        }
272
273        DISJUNCTION = {
274            **parser.Parser.DISJUNCTION,
275            TokenType.DPIPE: exp.Or,
276        }
277
278        TABLE_ALIAS_TOKENS = (
279            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
280        )
281
282        RANGE_PARSERS = {
283            **parser.Parser.RANGE_PARSERS,
284            TokenType.MEMBER_OF: lambda self, this: self.expression(
285                exp.JSONArrayContains,
286                this=this,
287                expression=self._parse_wrapped(self._parse_expression),
288            ),
289        }
290
291        FUNCTIONS = {
292            **parser.Parser.FUNCTIONS,
293            "CONVERT_TZ": lambda args: exp.ConvertTimezone(
294                source_tz=seq_get(args, 1), target_tz=seq_get(args, 2), timestamp=seq_get(args, 0)
295            ),
296            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
297            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
298            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
299            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
300            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
301            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
302            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
303            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
304            "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"),
305            "ISNULL": isnull_to_is_null,
306            "LOCATE": locate_to_strposition,
307            "MAKETIME": exp.TimeFromParts.from_arg_list,
308            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
309            "MONTHNAME": lambda args: exp.TimeToStr(
310                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
311                format=exp.Literal.string("%B"),
312            ),
313            "STR_TO_DATE": _str_to_date,
314            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
315            "TO_DAYS": lambda args: exp.paren(
316                exp.DateDiff(
317                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
318                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
319                    unit=exp.var("DAY"),
320                )
321                + 1
322            ),
323            "WEEK": lambda args: exp.Week(
324                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
325            ),
326            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
327            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
328        }
329
330        FUNCTION_PARSERS = {
331            **parser.Parser.FUNCTION_PARSERS,
332            "CHAR": lambda self: self.expression(
333                exp.Chr,
334                expressions=self._parse_csv(self._parse_assignment),
335                charset=self._match(TokenType.USING) and self._parse_var(),
336            ),
337            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
338            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
339            "VALUES": lambda self: self.expression(
340                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
341            ),
342            "JSON_VALUE": lambda self: self._parse_json_value(),
343        }
344
345        STATEMENT_PARSERS = {
346            **parser.Parser.STATEMENT_PARSERS,
347            TokenType.SHOW: lambda self: self._parse_show(),
348        }
349
350        SHOW_PARSERS = {
351            "BINARY LOGS": _show_parser("BINARY LOGS"),
352            "MASTER LOGS": _show_parser("BINARY LOGS"),
353            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
354            "CHARACTER SET": _show_parser("CHARACTER SET"),
355            "CHARSET": _show_parser("CHARACTER SET"),
356            "COLLATION": _show_parser("COLLATION"),
357            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
358            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
359            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
360            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
361            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
362            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
363            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
364            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
365            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
366            "DATABASES": _show_parser("DATABASES"),
367            "SCHEMAS": _show_parser("DATABASES"),
368            "ENGINE": _show_parser("ENGINE", target=True),
369            "STORAGE ENGINES": _show_parser("ENGINES"),
370            "ENGINES": _show_parser("ENGINES"),
371            "ERRORS": _show_parser("ERRORS"),
372            "EVENTS": _show_parser("EVENTS"),
373            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
374            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
375            "GRANTS": _show_parser("GRANTS", target="FOR"),
376            "INDEX": _show_parser("INDEX", target="FROM"),
377            "MASTER STATUS": _show_parser("MASTER STATUS"),
378            "OPEN TABLES": _show_parser("OPEN TABLES"),
379            "PLUGINS": _show_parser("PLUGINS"),
380            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
381            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
382            "PRIVILEGES": _show_parser("PRIVILEGES"),
383            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
384            "PROCESSLIST": _show_parser("PROCESSLIST"),
385            "PROFILE": _show_parser("PROFILE"),
386            "PROFILES": _show_parser("PROFILES"),
387            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
388            "REPLICAS": _show_parser("REPLICAS"),
389            "SLAVE HOSTS": _show_parser("REPLICAS"),
390            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
391            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
392            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
393            "SESSION STATUS": _show_parser("STATUS"),
394            "STATUS": _show_parser("STATUS"),
395            "TABLE STATUS": _show_parser("TABLE STATUS"),
396            "FULL TABLES": _show_parser("TABLES", full=True),
397            "TABLES": _show_parser("TABLES"),
398            "TRIGGERS": _show_parser("TRIGGERS"),
399            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
400            "SESSION VARIABLES": _show_parser("VARIABLES"),
401            "VARIABLES": _show_parser("VARIABLES"),
402            "WARNINGS": _show_parser("WARNINGS"),
403        }
404
405        PROPERTY_PARSERS = {
406            **parser.Parser.PROPERTY_PARSERS,
407            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
408        }
409
410        SET_PARSERS = {
411            **parser.Parser.SET_PARSERS,
412            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
413            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
414            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
415            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
416            "NAMES": lambda self: self._parse_set_item_names(),
417        }
418
419        CONSTRAINT_PARSERS = {
420            **parser.Parser.CONSTRAINT_PARSERS,
421            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
422            "INDEX": lambda self: self._parse_index_constraint(),
423            "KEY": lambda self: self._parse_index_constraint(),
424            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
425        }
426
427        ALTER_PARSERS = {
428            **parser.Parser.ALTER_PARSERS,
429            "MODIFY": lambda self: self._parse_alter_table_alter(),
430        }
431
432        SCHEMA_UNNAMED_CONSTRAINTS = {
433            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
434            "FULLTEXT",
435            "INDEX",
436            "KEY",
437            "SPATIAL",
438        }
439
440        PROFILE_TYPES: parser.OPTIONS_TYPE = {
441            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
442            "BLOCK": ("IO",),
443            "CONTEXT": ("SWITCHES",),
444            "PAGE": ("FAULTS",),
445        }
446
447        TYPE_TOKENS = {
448            *parser.Parser.TYPE_TOKENS,
449            TokenType.SET,
450        }
451
452        ENUM_TYPE_TOKENS = {
453            *parser.Parser.ENUM_TYPE_TOKENS,
454            TokenType.SET,
455        }
456
457        LOG_DEFAULTS_TO_LN = True
458        STRING_ALIASES = True
459        VALUES_FOLLOWED_BY_PAREN = False
460        SUPPORTS_PARTITION_SELECTION = True
461
462        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
463            this = self._parse_id_var()
464            if not self._match(TokenType.L_PAREN):
465                return this
466
467            expression = self._parse_number()
468            self._match_r_paren()
469            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
470
471        def _parse_index_constraint(
472            self, kind: t.Optional[str] = None
473        ) -> exp.IndexColumnConstraint:
474            if kind:
475                self._match_texts(("INDEX", "KEY"))
476
477            this = self._parse_id_var(any_token=False)
478            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
479            expressions = self._parse_wrapped_csv(self._parse_ordered)
480
481            options = []
482            while True:
483                if self._match_text_seq("KEY_BLOCK_SIZE"):
484                    self._match(TokenType.EQ)
485                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
486                elif self._match(TokenType.USING):
487                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
488                elif self._match_text_seq("WITH", "PARSER"):
489                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
490                elif self._match(TokenType.COMMENT):
491                    opt = exp.IndexConstraintOption(comment=self._parse_string())
492                elif self._match_text_seq("VISIBLE"):
493                    opt = exp.IndexConstraintOption(visible=True)
494                elif self._match_text_seq("INVISIBLE"):
495                    opt = exp.IndexConstraintOption(visible=False)
496                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
497                    self._match(TokenType.EQ)
498                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
499                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
500                    self._match(TokenType.EQ)
501                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
502                else:
503                    opt = None
504
505                if not opt:
506                    break
507
508                options.append(opt)
509
510            return self.expression(
511                exp.IndexColumnConstraint,
512                this=this,
513                expressions=expressions,
514                kind=kind,
515                index_type=index_type,
516                options=options,
517            )
518
519        def _parse_show_mysql(
520            self,
521            this: str,
522            target: bool | str = False,
523            full: t.Optional[bool] = None,
524            global_: t.Optional[bool] = None,
525        ) -> exp.Show:
526            if target:
527                if isinstance(target, str):
528                    self._match_text_seq(target)
529                target_id = self._parse_id_var()
530            else:
531                target_id = None
532
533            log = self._parse_string() if self._match_text_seq("IN") else None
534
535            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
536                position = self._parse_number() if self._match_text_seq("FROM") else None
537                db = None
538            else:
539                position = None
540                db = None
541
542                if self._match(TokenType.FROM):
543                    db = self._parse_id_var()
544                elif self._match(TokenType.DOT):
545                    db = target_id
546                    target_id = self._parse_id_var()
547
548            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
549
550            like = self._parse_string() if self._match_text_seq("LIKE") else None
551            where = self._parse_where()
552
553            if this == "PROFILE":
554                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
555                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
556                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
557                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
558            else:
559                types, query = None, None
560                offset, limit = self._parse_oldstyle_limit()
561
562            mutex = True if self._match_text_seq("MUTEX") else None
563            mutex = False if self._match_text_seq("STATUS") else mutex
564
565            return self.expression(
566                exp.Show,
567                this=this,
568                target=target_id,
569                full=full,
570                log=log,
571                position=position,
572                db=db,
573                channel=channel,
574                like=like,
575                where=where,
576                types=types,
577                query=query,
578                offset=offset,
579                limit=limit,
580                mutex=mutex,
581                **{"global": global_},  # type: ignore
582            )
583
584        def _parse_oldstyle_limit(
585            self,
586        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
587            limit = None
588            offset = None
589            if self._match_text_seq("LIMIT"):
590                parts = self._parse_csv(self._parse_number)
591                if len(parts) == 1:
592                    limit = parts[0]
593                elif len(parts) == 2:
594                    limit = parts[1]
595                    offset = parts[0]
596
597            return offset, limit
598
599        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
600            this = self._parse_string() or self._parse_unquoted_field()
601            return self.expression(exp.SetItem, this=this, kind=kind)
602
603        def _parse_set_item_names(self) -> exp.Expression:
604            charset = self._parse_string() or self._parse_unquoted_field()
605            if self._match_text_seq("COLLATE"):
606                collate = self._parse_string() or self._parse_unquoted_field()
607            else:
608                collate = None
609
610            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
611
612        def _parse_type(
613            self, parse_interval: bool = True, fallback_to_identifier: bool = False
614        ) -> t.Optional[exp.Expression]:
615            # mysql binary is special and can work anywhere, even in order by operations
616            # it operates like a no paren func
617            if self._match(TokenType.BINARY, advance=False):
618                data_type = self._parse_types(check_func=True, allow_identifiers=False)
619
620                if isinstance(data_type, exp.DataType):
621                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
622
623            return super()._parse_type(
624                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
625            )
626
627        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
628            def concat_exprs(
629                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
630            ) -> exp.Expression:
631                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
632                    concat_exprs = [
633                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
634                    ]
635                    node.set("expressions", concat_exprs)
636                    return node
637                if len(exprs) == 1:
638                    return exprs[0]
639                return self.expression(exp.Concat, expressions=args, safe=True)
640
641            args = self._parse_csv(self._parse_lambda)
642
643            if args:
644                order = args[-1] if isinstance(args[-1], exp.Order) else None
645
646                if order:
647                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
648                    # remove 'expr' from exp.Order and add it back to args
649                    args[-1] = order.this
650                    order.set("this", concat_exprs(order.this, args))
651
652                this = order or concat_exprs(args[0], args)
653            else:
654                this = None
655
656            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
657
658            return self.expression(exp.GroupConcat, this=this, separator=separator)
659
660        def _parse_json_value(self) -> exp.JSONValue:
661            this = self._parse_bitwise()
662            self._match(TokenType.COMMA)
663            path = self._parse_bitwise()
664
665            returning = self._match(TokenType.RETURNING) and self._parse_type()
666
667            return self.expression(
668                exp.JSONValue,
669                this=this,
670                path=self.dialect.to_json_path(path),
671                returning=returning,
672                on_condition=self._parse_on_condition(),
673            )

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.DATETIME64: 'DATETIME64'>, <TokenType.SOME: 'SOME'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.YEAR: 'YEAR'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.FIRST: 'FIRST'>, <TokenType.DATE: 'DATE'>, <TokenType.XML: 'XML'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.LEFT: 'LEFT'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.ROW: 'ROW'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.LIKE: 'LIKE'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.UINT128: 'UINT128'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.RIGHT: 'RIGHT'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DATE32: 'DATE32'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.XOR: 'XOR'>, <TokenType.TIME: 'TIME'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.TABLE: 'TABLE'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.INET: 'INET'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.INT128: 'INT128'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.RLIKE: 'RLIKE'>, <TokenType.JSON: 'JSON'>, <TokenType.INSERT: 'INSERT'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.ANY: 'ANY'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.IPV6: 'IPV6'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.IPV4: 'IPV4'>, <TokenType.ALL: 'ALL'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.JSONB: 'JSONB'>, <TokenType.ILIKE: 'ILIKE'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.RANGE: 'RANGE'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.UUID: 'UUID'>, <TokenType.INDEX: 'INDEX'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.VAR: 'VAR'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.VALUES: 'VALUES'>, <TokenType.MAP: 'MAP'>, <TokenType.BIT: 'BIT'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.ENUM: 'ENUM'>, <TokenType.BINARY: 'BINARY'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.LIST: 'LIST'>, <TokenType.UINT: 'UINT'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.NULL: 'NULL'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, <TokenType.WINDOW: 'WINDOW'>, <TokenType.CHAR: 'CHAR'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.INT: 'INT'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.UNION: 'UNION'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.NESTED: 'NESTED'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.OFFSET: 'OFFSET'>, <TokenType.FILTER: 'FILTER'>, <TokenType.SUPER: 'SUPER'>, <TokenType.INT256: 'INT256'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.TEXT: 'TEXT'>, <TokenType.UINT256: 'UINT256'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.GLOB: 'GLOB'>, <TokenType.NAME: 'NAME'>, <TokenType.MERGE: 'MERGE'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.MONEY: 'MONEY'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>}
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.TOP: 'TOP'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.SOME: 'SOME'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.PRAGMA: 'PRAGMA'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.PERCENT: 'PERCENT'>, <TokenType.VOLATILE: 'VOLATILE'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.YEAR: 'YEAR'>, <TokenType.CUBE: 'CUBE'>, <TokenType.TEMPORARY: 'TEMPORARY'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.DESCRIBE: 'DESCRIBE'>, <TokenType.FUNCTION: 'FUNCTION'>, <TokenType.END: 'END'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.FIRST: 'FIRST'>, <TokenType.DEFAULT: 'DEFAULT'>, <TokenType.DATE: 'DATE'>, <TokenType.XML: 'XML'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.IS: 'IS'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.ASC: 'ASC'>, <TokenType.TAG: 'TAG'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.ROW: 'ROW'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.COMMENT: 'COMMENT'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.UINT128: 'UINT128'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.ROLLUP: 'ROLLUP'>, <TokenType.WAREHOUSE: 'WAREHOUSE'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.SET: 'SET'>, <TokenType.KILL: 'KILL'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.COMMIT: 'COMMIT'>, <TokenType.DESC: 'DESC'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DATE32: 'DATE32'>, <TokenType.FINAL: 'FINAL'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.ORDINALITY: 'ORDINALITY'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.RENAME: 'RENAME'>, <TokenType.TIME: 'TIME'>, <TokenType.OVERWRITE: 'OVERWRITE'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.TABLE: 'TABLE'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.SHOW: 'SHOW'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.INET: 'INET'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.INT128: 'INT128'>, <TokenType.MODEL: 'MODEL'>, <TokenType.DIV: 'DIV'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.OVERLAPS: 'OVERLAPS'>, <TokenType.PROCEDURE: 'PROCEDURE'>, <TokenType.UNPIVOT: 'UNPIVOT'>, <TokenType.JSON: 'JSON'>, <TokenType.CASE: 'CASE'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.ANY: 'ANY'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.IPV6: 'IPV6'>, <TokenType.DELETE: 'DELETE'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.IPV4: 'IPV4'>, <TokenType.ALL: 'ALL'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.PIVOT: 'PIVOT'>, <TokenType.REFERENCES: 'REFERENCES'>, <TokenType.JSONB: 'JSONB'>, <TokenType.FALSE: 'FALSE'>, <TokenType.ROWS: 'ROWS'>, <TokenType.UPDATE: 'UPDATE'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.RECURSIVE: 'RECURSIVE'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.RANGE: 'RANGE'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.UUID: 'UUID'>, <TokenType.COPY: 'COPY'>, <TokenType.UNIQUE: 'UNIQUE'>, <TokenType.INDEX: 'INDEX'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.OPERATOR: 'OPERATOR'>, <TokenType.REFRESH: 'REFRESH'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.VAR: 'VAR'>, <TokenType.SEMI: 'SEMI'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.LOAD: 'LOAD'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.ANTI: 'ANTI'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, <TokenType.PARTITION: 'PARTITION'>, <TokenType.ESCAPE: 'ESCAPE'>, <TokenType.MAP: 'MAP'>, <TokenType.BIT: 'BIT'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.VIEW: 'VIEW'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.ENUM: 'ENUM'>, <TokenType.BINARY: 'BINARY'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.BEGIN: 'BEGIN'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, <TokenType.KEEP: 'KEEP'>, <TokenType.LIST: 'LIST'>, <TokenType.UINT: 'UINT'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.NULL: 'NULL'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.CHAR: 'CHAR'>, <TokenType.STORAGE_INTEGRATION: 'STORAGE_INTEGRATION'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.DICTIONARY: 'DICTIONARY'>, <TokenType.INT: 'INT'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.NESTED: 'NESTED'>, <TokenType.NEXT: 'NEXT'>, <TokenType.COLUMN: 'COLUMN'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.FILTER: 'FILTER'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.SUPER: 'SUPER'>, <TokenType.SETTINGS: 'SETTINGS'>, <TokenType.INT256: 'INT256'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.TEXT: 'TEXT'>, <TokenType.STREAMLIT: 'STREAMLIT'>, <TokenType.CONSTRAINT: 'CONSTRAINT'>, <TokenType.UINT256: 'UINT256'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.NAME: 'NAME'>, <TokenType.CACHE: 'CACHE'>, <TokenType.MERGE: 'MERGE'>, <TokenType.TRUE: 'TRUE'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.MONEY: 'MONEY'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>}
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'>>, 'ANONYMOUS_AGG_FUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.AnonymousAggFunc'>>, 'ANY_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.AnyValue'>>, 'APPLY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Apply'>>, 'APPROX_DISTINCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxDistinct'>>, 'APPROX_COUNT_DISTINCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxDistinct'>>, 'APPROX_QUANTILE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxQuantile'>>, 'APPROX_TOP_K': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxTopK'>>, 'ARG_MAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'ARGMAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'MAX_BY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'ARG_MIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'ARGMIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'MIN_BY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'ARRAY': <function Parser.<lambda>>, 'ARRAY_AGG': <function Parser.<lambda>>, 'ARRAY_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAll'>>, 'ARRAY_ANY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAny'>>, 'ARRAY_CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CONSTRUCT_COMPACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConstructCompact'>>, 'ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContains'>>, 'ARRAY_HAS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContains'>>, 'ARRAY_CONTAINS_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContainsAll'>>, 'ARRAY_HAS_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContainsAll'>>, 'FILTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayFilter'>>, 'ARRAY_FILTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayFilter'>>, 'ARRAY_OVERLAPS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayOverlaps'>>, 'ARRAY_SIZE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySize'>>, 'ARRAY_LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySize'>>, 'ARRAY_SORT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySort'>>, 'ARRAY_SUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySum'>>, 'ARRAY_TO_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayToString'>>, 'ARRAY_JOIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayToString'>>, 'ARRAY_UNION_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayUnionAgg'>>, 'ARRAY_UNIQUE_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayUniqueAgg'>>, 'AVG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Avg'>>, 'CASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Case'>>, 'CAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Cast'>>, 'CAST_TO_STR_TYPE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CastToStrType'>>, 'CBRT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Cbrt'>>, 'CEIL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ceil'>>, 'CEILING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ceil'>>, 'CHR': <function Parser.<lambda>>, 'CHAR': <function Parser.<lambda>>, 'COALESCE': <function build_coalesce>, 'IFNULL': <function build_coalesce>, 'NVL': <function build_coalesce>, 'COLLATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Collate'>>, 'COLUMNS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Columns'>>, 'COMBINED_AGG_FUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CombinedAggFunc'>>, 'COMBINED_PARAMETERIZED_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CombinedParameterizedAgg'>>, 'CONCAT': <function Parser.<lambda>>, 'CONCAT_WS': <function Parser.<lambda>>, 'CONNECT_BY_ROOT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ConnectByRoot'>>, 'CONVERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Convert'>>, 'CONVERT_TIMEZONE': <function build_convert_timezone>, 'CORR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Corr'>>, 'COUNT': <function Parser.<lambda>>, 'COUNT_IF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CountIf'>>, 'COUNTIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CountIf'>>, 'COVAR_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CovarPop'>>, 'COVAR_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CovarSamp'>>, 'CURRENT_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentDate'>>, 'CURRENT_DATETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentDatetime'>>, 'CURRENT_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentTime'>>, 'CURRENT_TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentTimestamp'>>, 'CURRENT_USER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentUser'>>, 'DATE': <function MySQL.Parser.<lambda>>, 'DATE_ADD': <function build_date_delta_with_interval.<locals>._builder>, 'DATEDIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateDiff'>>, 'DATE_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateDiff'>>, 'DATE_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateFromParts'>>, 'DATEFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateFromParts'>>, 'DATE_STR_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateStrToDate'>>, 'DATE_SUB': <function build_date_delta_with_interval.<locals>._builder>, 'DATE_TO_DATE_STR': <function Parser.<lambda>>, 'DATE_TO_DI': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateToDi'>>, 'DATE_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateTrunc'>>, 'DATETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Datetime'>>, 'DATETIME_ADD': <bound method Func.from_arg_list of <class 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method Func.from_arg_list of <class 'sqlglot.expressions.Decode'>>, 'DI_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DiToDate'>>, 'ENCODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Encode'>>, 'EXP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Exp'>>, 'EXPLODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Explode'>>, 'EXPLODE_OUTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ExplodeOuter'>>, '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'>>, 'FIRST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.First'>>, 'FIRST_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FirstValue'>>, 'FLATTEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Flatten'>>, 'FLOOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Floor'>>, 'FROM_BASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromBase'>>, 'FROM_BASE64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromBase64'>>, 'FROM_ISO8601_TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromISO8601Timestamp'>>, 'GAP_FILL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GapFill'>>, 'GENERATE_DATE_ARRAY': <function Parser.<lambda>>, 'GENERATE_SERIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateSeries'>>, 'GENERATE_TIMESTAMP_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateTimestampArray'>>, 'GREATEST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Greatest'>>, 'GROUP_CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GroupConcat'>>, 'HEX': <function build_hex>, 'HLL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Hll'>>, 'IF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.If'>>, 'IIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.If'>>, 'INITCAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Initcap'>>, 'INLINE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Inline'>>, 'IS_INF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsInf'>>, 'ISINF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsInf'>>, 'IS_NAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsNan'>>, 'ISNAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsNan'>>, 'J_S_O_N_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArray'>>, 'J_S_O_N_ARRAY_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayAgg'>>, 'JSON_ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayContains'>>, 'JSONB_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBContains'>>, 'JSONB_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_EXISTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONExists'>>, 'JSON_EXTRACT': <function build_extract_json_with_path.<locals>._builder>, 'JSON_EXTRACT_SCALAR': <function build_extract_json_with_path.<locals>._builder>, 'JSON_FORMAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONFormat'>>, 'J_S_O_N_OBJECT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONObject'>>, 'J_S_O_N_OBJECT_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONObjectAgg'>>, 'J_S_O_N_TABLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONTable'>>, 'LAG': <bound method Func.from_arg_list of 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method Func.from_arg_list of <class 'sqlglot.expressions.Ln'>>, 'LOG': <function build_logarithm>, 'LOGICAL_AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'BOOL_AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'BOOLAND_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'LOGICAL_OR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'BOOL_OR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'BOOLOR_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'LOWER': <function build_lower>, 'LCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lower'>>, 'LOWER_HEX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LowerHex'>>, 'MD5': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MD5'>>, 'MD5_DIGEST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MD5Digest'>>, 'MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Map'>>, 'MAP_FROM_ENTRIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MapFromEntries'>>, 'MATCH_AGAINST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MatchAgainst'>>, 'MAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Max'>>, 'MIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Min'>>, 'MONTH': <function MySQL.Parser.<lambda>>, 'MONTHS_BETWEEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MonthsBetween'>>, 'NEXT_VALUE_FOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NextValueFor'>>, 'NORMALIZE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Normalize'>>, 'NTH_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NthValue'>>, 'NULLIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Nullif'>>, 'NUMBER_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NumberToStr'>>, 'NVL2': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Nvl2'>>, 'OBJECT_INSERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ObjectInsert'>>, 'OPEN_J_S_O_N': <bound method Func.from_arg_list of <class 'sqlglot.expressions.OpenJSON'>>, 'OVERLAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Overlay'>>, 'PAD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pad'>>, 'PARAMETERIZED_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParameterizedAgg'>>, 'PARSE_JSON': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParseJSON'>>, 'JSON_PARSE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParseJSON'>>, 'PERCENTILE_CONT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PercentileCont'>>, 'PERCENTILE_DISC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PercentileDisc'>>, 'POSEXPLODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Posexplode'>>, 'POSEXPLODE_OUTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PosexplodeOuter'>>, 'POWER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pow'>>, 'POW': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pow'>>, 'PREDICT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Predict'>>, 'QUANTILE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Quantile'>>, 'QUARTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Quarter'>>, 'RAND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Rand'>>, 'RANDOM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Rand'>>, 'RANDN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Randn'>>, 'RANGE_N': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RangeN'>>, 'READ_CSV': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ReadCSV'>>, 'REDUCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Reduce'>>, 'REGEXP_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpExtract'>>, 'REGEXP_I_LIKE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpILike'>>, 'REGEXP_LIKE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpLike'>>, 'REGEXP_REPLACE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpReplace'>>, 'REGEXP_SPLIT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpSplit'>>, 'REPEAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Repeat'>>, 'RIGHT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Right'>>, 'ROUND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Round'>>, 'ROW_NUMBER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RowNumber'>>, 'SHA': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SHA'>>, 'SHA1': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SHA'>>, 'SHA2': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SHA2'>>, 'SAFE_DIVIDE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SafeDivide'>>, 'SIGN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sign'>>, 'SIGNUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sign'>>, 'SORT_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SortArray'>>, 'SPLIT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Split'>>, 'SQRT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sqrt'>>, 'STANDARD_HASH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StandardHash'>>, 'STAR_MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StarMap'>>, 'STARTS_WITH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StartsWith'>>, 'STARTSWITH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StartsWith'>>, 'STDDEV': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stddev'>>, '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_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'>>, 'STRUCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Struct'>>, 'STRUCT_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StructExtract'>>, 'STUFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stuff'>>, 'INSERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stuff'>>, 'SUBSTRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Substring'>>, 'SUBSTR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Substring'>>, 'SUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sum'>>, 'TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Time'>>, 'TIME_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeAdd'>>, 'TIME_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeDiff'>>, 'TIME_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'TIMEFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'TIME_STR_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToDate'>>, 'TIME_STR_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToTime'>>, 'TIME_STR_TO_UNIX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToUnix'>>, 'TIME_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeSub'>>, 'TIME_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeToStr'>>, 'TIME_TO_TIME_STR': <function Parser.<lambda>>, 'TIME_TO_UNIX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeToUnix'>>, 'TIME_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeTrunc'>>, 'TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Timestamp'>>, 'TIMESTAMP_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampAdd'>>, 'TIMESTAMPDIFF': <function build_date_delta.<locals>._builder>, 'TIMESTAMP_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampDiff'>>, 'TIMESTAMP_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampFromParts'>>, 'TIMESTAMPFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampFromParts'>>, 'TIMESTAMP_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampSub'>>, 'TIMESTAMP_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampTrunc'>>, 'TO_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToArray'>>, 'TO_BASE64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToBase64'>>, 'TO_CHAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToChar'>>, 'TO_DAYS': <function MySQL.Parser.<lambda>>, 'TO_MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToMap'>>, 'TO_NUMBER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToNumber'>>, 'TRANSFORM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Transform'>>, 'TRIM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Trim'>>, 'TRY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Try'>>, 'TRY_CAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TryCast'>>, 'TS_OR_DI_TO_DI': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDiToDi'>>, 'TS_OR_DS_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsAdd'>>, 'TS_OR_DS_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsDiff'>>, 'TS_OR_DS_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToDate'>>, 'TS_OR_DS_TO_DATE_STR': <function Parser.<lambda>>, 'TS_OR_DS_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToTime'>>, 'TS_OR_DS_TO_TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToTimestamp'>>, 'UNHEX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Unhex'>>, 'UNIX_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixDate'>>, 'UNIX_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToStr'>>, 'UNIX_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToTime'>>, 'UNIX_TO_TIME_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToTimeStr'>>, 'UNNEST': <function Parser.<lambda>>, 'UPPER': <function build_upper>, 'UCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Upper'>>, 'UUID': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Uuid'>>, 'GEN_RANDOM_UUID': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Uuid'>>, 'GENERATE_UUID': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Uuid'>>, 'UUID_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Uuid'>>, 'VAR_MAP': <function build_var_map>, 'VARIANCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VAR_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'VAR_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'WEEK': <function MySQL.Parser.<lambda>>, 'WEEK_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.WeekOfYear'>>, 'WEEKOFYEAR': <function MySQL.Parser.<lambda>>, 'WHEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.When'>>, 'X_M_L_TABLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.XMLTable'>>, 'XOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Xor'>>, 'YEAR': <function MySQL.Parser.<lambda>>, 'ARRAYAGG': <function Parser.<lambda>>, 'GLOB': <function Parser.<lambda>>, 'INSTR': <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>>, 'TO_HEX': <function build_hex>, 'CONVERT_TZ': <function MySQL.Parser.<lambda>>, 'DATE_FORMAT': <function build_formatted_time.<locals>._builder>, 'FROM_UNIXTIME': <function build_formatted_time.<locals>._builder>, 'ISNULL': <function isnull_to_is_null>, 'LOCATE': <function locate_to_strposition>, 'MAKETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'MONTHNAME': <function MySQL.Parser.<lambda>>}
FUNCTION_PARSERS = {'CAST': <function Parser.<lambda>>, 'CONVERT': <function Parser.<lambda>>, 'DECODE': <function Parser.<lambda>>, 'EXTRACT': <function Parser.<lambda>>, 'GAP_FILL': <function Parser.<lambda>>, 'JSON_OBJECT': <function Parser.<lambda>>, 'JSON_OBJECTAGG': <function Parser.<lambda>>, 'JSON_TABLE': <function Parser.<lambda>>, 'MATCH': <function Parser.<lambda>>, 'NORMALIZE': <function Parser.<lambda>>, 'OPENJSON': <function Parser.<lambda>>, 'OVERLAY': <function Parser.<lambda>>, 'POSITION': <function Parser.<lambda>>, 'PREDICT': <function Parser.<lambda>>, 'SAFE_CAST': <function Parser.<lambda>>, 'STRING_AGG': <function Parser.<lambda>>, 'SUBSTRING': <function Parser.<lambda>>, 'TRIM': <function Parser.<lambda>>, 'TRY_CAST': <function Parser.<lambda>>, 'TRY_CONVERT': <function Parser.<lambda>>, '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.BEGIN: 'BEGIN'>: <function Parser.<lambda>>, <TokenType.CACHE: 'CACHE'>: <function Parser.<lambda>>, <TokenType.COMMENT: 'COMMENT'>: <function Parser.<lambda>>, <TokenType.COMMIT: 'COMMIT'>: <function Parser.<lambda>>, <TokenType.COPY: 'COPY'>: <function Parser.<lambda>>, <TokenType.CREATE: 'CREATE'>: <function Parser.<lambda>>, <TokenType.DELETE: 'DELETE'>: <function Parser.<lambda>>, <TokenType.DESC: 'DESC'>: <function Parser.<lambda>>, <TokenType.DESCRIBE: 'DESCRIBE'>: <function Parser.<lambda>>, <TokenType.DROP: 'DROP'>: <function Parser.<lambda>>, <TokenType.GRANT: 'GRANT'>: <function Parser.<lambda>>, <TokenType.INSERT: 'INSERT'>: <function Parser.<lambda>>, <TokenType.KILL: 'KILL'>: <function Parser.<lambda>>, <TokenType.LOAD: 'LOAD'>: <function Parser.<lambda>>, <TokenType.MERGE: 'MERGE'>: <function Parser.<lambda>>, <TokenType.PIVOT: 'PIVOT'>: <function Parser.<lambda>>, <TokenType.PRAGMA: 'PRAGMA'>: <function Parser.<lambda>>, <TokenType.REFRESH: 'REFRESH'>: <function Parser.<lambda>>, <TokenType.ROLLBACK: 'ROLLBACK'>: <function Parser.<lambda>>, <TokenType.SET: 'SET'>: <function Parser.<lambda>>, <TokenType.TRUNCATE: 'TRUNCATE'>: <function Parser.<lambda>>, <TokenType.UNCACHE: 'UNCACHE'>: <function Parser.<lambda>>, <TokenType.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>>, '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>>, 'WITH': <function Parser.<lambda>>, 'FULLTEXT': <function MySQL.Parser.<lambda>>, 'INDEX': <function MySQL.Parser.<lambda>>, 'KEY': <function MySQL.Parser.<lambda>>, 'SPATIAL': <function MySQL.Parser.<lambda>>}
ALTER_PARSERS = {'ADD': <function Parser.<lambda>>, 'ALTER': <function Parser.<lambda>>, 'CLUSTER BY': <function Parser.<lambda>>, 'DELETE': <function Parser.<lambda>>, 'DROP': <function Parser.<lambda>>, 'RENAME': <function Parser.<lambda>>, 'SET': <function Parser.<lambda>>, 'AS': <function Parser.<lambda>>, 'MODIFY': <function MySQL.Parser.<lambda>>}
SCHEMA_UNNAMED_CONSTRAINTS = {'KEY', 'PRIMARY KEY', 'EXCLUDE', 'UNIQUE', 'PERIOD', 'CHECK', 'LIKE', 'FOREIGN KEY', 'SPATIAL', 'INDEX', 'FULLTEXT'}
PROFILE_TYPES: Dict[str, Sequence[Union[Sequence[str], str]]] = {'ALL': (), 'CPU': (), 'IPC': (), 'MEMORY': (), 'SOURCE': (), 'SWAPS': (), 'BLOCK': ('IO',), 'CONTEXT': ('SWITCHES',), 'PAGE': ('FAULTS',)}
TYPE_TOKENS = {<TokenType.TDIGEST: 'TDIGEST'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.JSONB: 'JSONB'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.YEAR: 'YEAR'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.RANGE: 'RANGE'>, <TokenType.UUID: 'UUID'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.DATE: 'DATE'>, <TokenType.XML: 'XML'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.MAP: 'MAP'>, <TokenType.BIT: 'BIT'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.ENUM: 'ENUM'>, <TokenType.BINARY: 'BINARY'>, <TokenType.UINT128: 'UINT128'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.LIST: 'LIST'>, <TokenType.UINT: 'UINT'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.SET: 'SET'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.NULL: 'NULL'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DATE32: 'DATE32'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.CHAR: 'CHAR'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.TIME: 'TIME'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.INT: 'INT'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.INET: 'INET'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.INT128: 'INT128'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.UNION: 'UNION'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.NESTED: 'NESTED'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.JSON: 'JSON'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.SUPER: 'SUPER'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.INT256: 'INT256'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.TEXT: 'TEXT'>, <TokenType.UINT256: 'UINT256'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.NAME: 'NAME'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.IPV6: 'IPV6'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.MONEY: 'MONEY'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.IPV4: 'IPV4'>}
ENUM_TYPE_TOKENS = {<TokenType.ENUM8: 'ENUM8'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.ENUM: 'ENUM'>, <TokenType.SET: 'SET'>}
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
INTERVAL_VARS
ALIAS_TOKENS
ARRAY_CONSTRUCTORS
COMMENT_TABLE_ALIAS_TOKENS
UPDATE_ALIAS_TOKENS
TRIM_TYPES
ASSIGNMENT
EQUALITY
COMPARISON
BITWISE
TERM
FACTOR
EXPONENT
TIMES
TIMESTAMPS
SET_OPERATIONS
JOIN_METHODS
JOIN_SIDES
JOIN_KINDS
JOIN_HINTS
LAMBDAS
COLUMN_OPERATORS
EXPRESSION_PARSERS
UNARY_PARSERS
STRING_PARSERS
NUMERIC_PARSERS
PRIMARY_PARSERS
PLACEHOLDER_PARSERS
ALTER_ALTER_PARSERS
NO_PAREN_FUNCTION_PARSERS
INVALID_FUNC_NAME_TOKENS
FUNCTIONS_WITH_ALIASED_ARGS
KEY_VALUE_DEFINITIONS
QUERY_MODIFIER_PARSERS
TYPE_LITERAL_PARSERS
TYPE_CONVERTERS
DDL_SELECT_TOKENS
PRE_VOLATILE_TOKENS
TRANSACTION_KIND
TRANSACTION_CHARACTERISTICS
CONFLICT_ACTIONS
CREATE_SEQUENCE
ISOLATED_LOADING_OPTIONS
USABLES
CAST_ACTIONS
SCHEMA_BINDING_OPTIONS
KEY_CONSTRAINT_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
STRICT_CAST
PREFIXED_PIVOT_COLUMNS
IDENTIFY_PIVOT_STRINGS
ALTER_TABLE_ADD_REQUIRED_FOR_EACH_COLUMN
TABLESAMPLE_CSV
DEFAULT_SAMPLING_METHOD
SET_REQUIRES_ASSIGNMENT_DELIMITER
TRIM_PATTERN_FIRST
MODIFIERS_ATTACHED_TO_SET_OP
SET_OP_MODIFIERS
NO_PAREN_IF_COMMANDS
JSON_ARROWS_REQUIRE_JSON_TYPE
COLON_IS_VARIANT_EXTRACT
SUPPORTS_IMPLICIT_UNNEST
INTERVAL_SPANS
error_level
error_message_context
max_errors
dialect
reset
parse
parse_into
check_errors
raise_error
expression
validate_expression
errors
sql
class MySQL.Generator(sqlglot.generator.Generator):
 675    class Generator(generator.Generator):
 676        INTERVAL_ALLOWS_PLURAL_FORM = False
 677        LOCKING_READS_SUPPORTED = True
 678        NULL_ORDERING_SUPPORTED = None
 679        JOIN_HINTS = False
 680        TABLE_HINTS = True
 681        DUPLICATE_KEY_UPDATE_WITH_SET = False
 682        QUERY_HINT_SEP = " "
 683        VALUES_AS_TABLE = False
 684        NVL2_SUPPORTED = False
 685        LAST_DAY_SUPPORTS_DATE_PART = False
 686        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
 687        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
 688        JSON_KEY_VALUE_PAIR_SEP = ","
 689        SUPPORTS_TO_NUMBER = False
 690        PARSE_JSON_NAME: t.Optional[str] = None
 691        PAD_FILL_PATTERN_IS_REQUIRED = True
 692        WRAP_DERIVED_VALUES = False
 693        VARCHAR_REQUIRES_SIZE = True
 694
 695        TRANSFORMS = {
 696            **generator.Generator.TRANSFORMS,
 697            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
 698            exp.CurrentDate: no_paren_current_date_sql,
 699            exp.DateDiff: _remove_ts_or_ds_to_date(
 700                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
 701            ),
 702            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
 703            exp.DateStrToDate: datestrtodate_sql,
 704            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
 705            exp.DateTrunc: _date_trunc_sql,
 706            exp.Day: _remove_ts_or_ds_to_date(),
 707            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
 708            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
 709            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
 710            exp.GroupConcat: lambda self,
 711            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
 712            exp.ILike: no_ilike_sql,
 713            exp.JSONExtractScalar: arrow_json_extract_sql,
 714            exp.Max: max_or_greatest,
 715            exp.Min: min_or_least,
 716            exp.Month: _remove_ts_or_ds_to_date(),
 717            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
 718            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
 719            exp.Pivot: no_pivot_sql,
 720            exp.Select: transforms.preprocess(
 721                [
 722                    transforms.eliminate_distinct_on,
 723                    transforms.eliminate_semi_and_anti_joins,
 724                    transforms.eliminate_qualify,
 725                    transforms.eliminate_full_outer_join,
 726                    transforms.unnest_generate_date_array_using_recursive_cte,
 727                ]
 728            ),
 729            exp.StrPosition: strposition_to_locate_sql,
 730            exp.StrToDate: _str_to_date_sql,
 731            exp.StrToTime: _str_to_date_sql,
 732            exp.Stuff: rename_func("INSERT"),
 733            exp.TableSample: no_tablesample_sql,
 734            exp.TimeFromParts: rename_func("MAKETIME"),
 735            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
 736            exp.TimestampDiff: lambda self, e: self.func(
 737                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
 738            ),
 739            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
 740            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
 741            exp.TimeStrToTime: lambda self, e: timestrtotime_sql(
 742                self,
 743                e,
 744                include_precision=not e.args.get("zone"),
 745            ),
 746            exp.TimeToStr: _remove_ts_or_ds_to_date(
 747                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
 748            ),
 749            exp.Trim: trim_sql,
 750            exp.TryCast: no_trycast_sql,
 751            exp.TsOrDsAdd: date_add_sql("ADD"),
 752            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
 753            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
 754            exp.UnixToTime: _unix_to_time_sql,
 755            exp.Week: _remove_ts_or_ds_to_date(),
 756            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
 757            exp.Year: _remove_ts_or_ds_to_date(),
 758        }
 759
 760        UNSIGNED_TYPE_MAPPING = {
 761            exp.DataType.Type.UBIGINT: "BIGINT",
 762            exp.DataType.Type.UINT: "INT",
 763            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
 764            exp.DataType.Type.USMALLINT: "SMALLINT",
 765            exp.DataType.Type.UTINYINT: "TINYINT",
 766            exp.DataType.Type.UDECIMAL: "DECIMAL",
 767        }
 768
 769        TIMESTAMP_TYPE_MAPPING = {
 770            exp.DataType.Type.TIMESTAMP: "DATETIME",
 771            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
 772            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
 773        }
 774
 775        TYPE_MAPPING = {
 776            **generator.Generator.TYPE_MAPPING,
 777            **UNSIGNED_TYPE_MAPPING,
 778            **TIMESTAMP_TYPE_MAPPING,
 779        }
 780
 781        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
 782        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
 783        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
 784        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
 785        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
 786        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
 787
 788        PROPERTIES_LOCATION = {
 789            **generator.Generator.PROPERTIES_LOCATION,
 790            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
 791            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
 792        }
 793
 794        LIMIT_FETCH = "LIMIT"
 795
 796        LIMIT_ONLY_LITERALS = True
 797
 798        CHAR_CAST_MAPPING = dict.fromkeys(
 799            (
 800                exp.DataType.Type.LONGTEXT,
 801                exp.DataType.Type.LONGBLOB,
 802                exp.DataType.Type.MEDIUMBLOB,
 803                exp.DataType.Type.MEDIUMTEXT,
 804                exp.DataType.Type.TEXT,
 805                exp.DataType.Type.TINYBLOB,
 806                exp.DataType.Type.TINYTEXT,
 807                exp.DataType.Type.VARCHAR,
 808            ),
 809            "CHAR",
 810        )
 811        SIGNED_CAST_MAPPING = dict.fromkeys(
 812            (
 813                exp.DataType.Type.BIGINT,
 814                exp.DataType.Type.BOOLEAN,
 815                exp.DataType.Type.INT,
 816                exp.DataType.Type.SMALLINT,
 817                exp.DataType.Type.TINYINT,
 818                exp.DataType.Type.MEDIUMINT,
 819            ),
 820            "SIGNED",
 821        )
 822
 823        # MySQL doesn't support many datatypes in cast.
 824        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
 825        CAST_MAPPING = {
 826            **CHAR_CAST_MAPPING,
 827            **SIGNED_CAST_MAPPING,
 828            exp.DataType.Type.UBIGINT: "UNSIGNED",
 829        }
 830
 831        TIMESTAMP_FUNC_TYPES = {
 832            exp.DataType.Type.TIMESTAMPTZ,
 833            exp.DataType.Type.TIMESTAMPLTZ,
 834        }
 835
 836        # https://dev.mysql.com/doc/refman/8.0/en/keywords.html
 837        RESERVED_KEYWORDS = {
 838            "accessible",
 839            "add",
 840            "all",
 841            "alter",
 842            "analyze",
 843            "and",
 844            "as",
 845            "asc",
 846            "asensitive",
 847            "before",
 848            "between",
 849            "bigint",
 850            "binary",
 851            "blob",
 852            "both",
 853            "by",
 854            "call",
 855            "cascade",
 856            "case",
 857            "change",
 858            "char",
 859            "character",
 860            "check",
 861            "collate",
 862            "column",
 863            "condition",
 864            "constraint",
 865            "continue",
 866            "convert",
 867            "create",
 868            "cross",
 869            "cube",
 870            "cume_dist",
 871            "current_date",
 872            "current_time",
 873            "current_timestamp",
 874            "current_user",
 875            "cursor",
 876            "database",
 877            "databases",
 878            "day_hour",
 879            "day_microsecond",
 880            "day_minute",
 881            "day_second",
 882            "dec",
 883            "decimal",
 884            "declare",
 885            "default",
 886            "delayed",
 887            "delete",
 888            "dense_rank",
 889            "desc",
 890            "describe",
 891            "deterministic",
 892            "distinct",
 893            "distinctrow",
 894            "div",
 895            "double",
 896            "drop",
 897            "dual",
 898            "each",
 899            "else",
 900            "elseif",
 901            "empty",
 902            "enclosed",
 903            "escaped",
 904            "except",
 905            "exists",
 906            "exit",
 907            "explain",
 908            "false",
 909            "fetch",
 910            "first_value",
 911            "float",
 912            "float4",
 913            "float8",
 914            "for",
 915            "force",
 916            "foreign",
 917            "from",
 918            "fulltext",
 919            "function",
 920            "generated",
 921            "get",
 922            "grant",
 923            "group",
 924            "grouping",
 925            "groups",
 926            "having",
 927            "high_priority",
 928            "hour_microsecond",
 929            "hour_minute",
 930            "hour_second",
 931            "if",
 932            "ignore",
 933            "in",
 934            "index",
 935            "infile",
 936            "inner",
 937            "inout",
 938            "insensitive",
 939            "insert",
 940            "int",
 941            "int1",
 942            "int2",
 943            "int3",
 944            "int4",
 945            "int8",
 946            "integer",
 947            "intersect",
 948            "interval",
 949            "into",
 950            "io_after_gtids",
 951            "io_before_gtids",
 952            "is",
 953            "iterate",
 954            "join",
 955            "json_table",
 956            "key",
 957            "keys",
 958            "kill",
 959            "lag",
 960            "last_value",
 961            "lateral",
 962            "lead",
 963            "leading",
 964            "leave",
 965            "left",
 966            "like",
 967            "limit",
 968            "linear",
 969            "lines",
 970            "load",
 971            "localtime",
 972            "localtimestamp",
 973            "lock",
 974            "long",
 975            "longblob",
 976            "longtext",
 977            "loop",
 978            "low_priority",
 979            "master_bind",
 980            "master_ssl_verify_server_cert",
 981            "match",
 982            "maxvalue",
 983            "mediumblob",
 984            "mediumint",
 985            "mediumtext",
 986            "middleint",
 987            "minute_microsecond",
 988            "minute_second",
 989            "mod",
 990            "modifies",
 991            "natural",
 992            "not",
 993            "no_write_to_binlog",
 994            "nth_value",
 995            "ntile",
 996            "null",
 997            "numeric",
 998            "of",
 999            "on",
1000            "optimize",
1001            "optimizer_costs",
1002            "option",
1003            "optionally",
1004            "or",
1005            "order",
1006            "out",
1007            "outer",
1008            "outfile",
1009            "over",
1010            "partition",
1011            "percent_rank",
1012            "precision",
1013            "primary",
1014            "procedure",
1015            "purge",
1016            "range",
1017            "rank",
1018            "read",
1019            "reads",
1020            "read_write",
1021            "real",
1022            "recursive",
1023            "references",
1024            "regexp",
1025            "release",
1026            "rename",
1027            "repeat",
1028            "replace",
1029            "require",
1030            "resignal",
1031            "restrict",
1032            "return",
1033            "revoke",
1034            "right",
1035            "rlike",
1036            "row",
1037            "rows",
1038            "row_number",
1039            "schema",
1040            "schemas",
1041            "second_microsecond",
1042            "select",
1043            "sensitive",
1044            "separator",
1045            "set",
1046            "show",
1047            "signal",
1048            "smallint",
1049            "spatial",
1050            "specific",
1051            "sql",
1052            "sqlexception",
1053            "sqlstate",
1054            "sqlwarning",
1055            "sql_big_result",
1056            "sql_calc_found_rows",
1057            "sql_small_result",
1058            "ssl",
1059            "starting",
1060            "stored",
1061            "straight_join",
1062            "system",
1063            "table",
1064            "terminated",
1065            "then",
1066            "tinyblob",
1067            "tinyint",
1068            "tinytext",
1069            "to",
1070            "trailing",
1071            "trigger",
1072            "true",
1073            "undo",
1074            "union",
1075            "unique",
1076            "unlock",
1077            "unsigned",
1078            "update",
1079            "usage",
1080            "use",
1081            "using",
1082            "utc_date",
1083            "utc_time",
1084            "utc_timestamp",
1085            "values",
1086            "varbinary",
1087            "varchar",
1088            "varcharacter",
1089            "varying",
1090            "virtual",
1091            "when",
1092            "where",
1093            "while",
1094            "window",
1095            "with",
1096            "write",
1097            "xor",
1098            "year_month",
1099            "zerofill",
1100        }
1101
1102        def array_sql(self, expression: exp.Array) -> str:
1103            self.unsupported("Arrays are not supported by MySQL")
1104            return self.function_fallback_sql(expression)
1105
1106        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1107            self.unsupported("Array operations are not supported by MySQL")
1108            return self.function_fallback_sql(expression)
1109
1110        def dpipe_sql(self, expression: exp.DPipe) -> str:
1111            return self.func("CONCAT", *expression.flatten())
1112
1113        def extract_sql(self, expression: exp.Extract) -> str:
1114            unit = expression.name
1115            if unit and unit.lower() == "epoch":
1116                return self.func("UNIX_TIMESTAMP", expression.expression)
1117
1118            return super().extract_sql(expression)
1119
1120        def datatype_sql(self, expression: exp.DataType) -> str:
1121            if (
1122                self.VARCHAR_REQUIRES_SIZE
1123                and expression.is_type(exp.DataType.Type.VARCHAR)
1124                and not expression.expressions
1125            ):
1126                # `VARCHAR` must always have a size - if it doesn't, we always generate `TEXT`
1127                return "TEXT"
1128
1129            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1130            result = super().datatype_sql(expression)
1131            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1132                result = f"{result} UNSIGNED"
1133
1134            return result
1135
1136        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1137            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
1138
1139        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1140            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1141                return self.func("TIMESTAMP", expression.this)
1142
1143            to = self.CAST_MAPPING.get(expression.to.this)
1144
1145            if to:
1146                expression.to.set("this", to)
1147            return super().cast_sql(expression)
1148
1149        def show_sql(self, expression: exp.Show) -> str:
1150            this = f" {expression.name}"
1151            full = " FULL" if expression.args.get("full") else ""
1152            global_ = " GLOBAL" if expression.args.get("global") else ""
1153
1154            target = self.sql(expression, "target")
1155            target = f" {target}" if target else ""
1156            if expression.name in ("COLUMNS", "INDEX"):
1157                target = f" FROM{target}"
1158            elif expression.name == "GRANTS":
1159                target = f" FOR{target}"
1160
1161            db = self._prefixed_sql("FROM", expression, "db")
1162
1163            like = self._prefixed_sql("LIKE", expression, "like")
1164            where = self.sql(expression, "where")
1165
1166            types = self.expressions(expression, key="types")
1167            types = f" {types}" if types else types
1168            query = self._prefixed_sql("FOR QUERY", expression, "query")
1169
1170            if expression.name == "PROFILE":
1171                offset = self._prefixed_sql("OFFSET", expression, "offset")
1172                limit = self._prefixed_sql("LIMIT", expression, "limit")
1173            else:
1174                offset = ""
1175                limit = self._oldstyle_limit_sql(expression)
1176
1177            log = self._prefixed_sql("IN", expression, "log")
1178            position = self._prefixed_sql("FROM", expression, "position")
1179
1180            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1181
1182            if expression.name == "ENGINE":
1183                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1184            else:
1185                mutex_or_status = ""
1186
1187            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
1188
1189        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1190            dtype = self.sql(expression, "dtype")
1191            if not dtype:
1192                return super().altercolumn_sql(expression)
1193
1194            this = self.sql(expression, "this")
1195            return f"MODIFY COLUMN {this} {dtype}"
1196
1197        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
1198            sql = self.sql(expression, arg)
1199            return f" {prefix} {sql}" if sql else ""
1200
1201        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
1202            limit = self.sql(expression, "limit")
1203            offset = self.sql(expression, "offset")
1204            if limit:
1205                limit_offset = f"{offset}, {limit}" if offset else limit
1206                return f" LIMIT {limit_offset}"
1207            return ""
1208
1209        def chr_sql(self, expression: exp.Chr) -> str:
1210            this = self.expressions(sqls=[expression.this] + expression.expressions)
1211            charset = expression.args.get("charset")
1212            using = f" USING {self.sql(charset)}" if charset else ""
1213            return f"CHAR({this}{using})"
1214
1215        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1216            unit = expression.args.get("unit")
1217
1218            # Pick an old-enough date to avoid negative timestamp diffs
1219            start_ts = "'0000-01-01 00:00:00'"
1220
1221            # Source: https://stackoverflow.com/a/32955740
1222            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1223            interval = exp.Interval(this=timestamp_diff, unit=unit)
1224            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1225
1226            return self.sql(dateadd)
1227
1228        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1229            from_tz = expression.args.get("source_tz")
1230            to_tz = expression.args.get("target_tz")
1231            dt = expression.args.get("timestamp")
1232
1233            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
1234
1235        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1236            self.unsupported("AT TIME ZONE is not supported by MySQL")
1237            return self.sql(expression.this)

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
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.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.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.CopyGrantsProperty'>: <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.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.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.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.PivotAny'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ProjectionPolicyColumnConstraint'>: <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.TemporaryProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TagColumnConstraint'>: <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.Uuid'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.UppercaseColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.VarMap'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ViewAttributeProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.VolatileProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithJournalTableProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithSchemaBindingProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithOperator'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ArrayAgg'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.CurrentDate'>: <function no_paren_current_date_sql>, <class 'sqlglot.expressions.DateDiff'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateAdd'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateStrToDate'>: <function datestrtodate_sql>, <class 'sqlglot.expressions.DateSub'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateTrunc'>: <function _date_trunc_sql>, <class 'sqlglot.expressions.Day'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfMonth'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfWeek'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfYear'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.GroupConcat'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.ILike'>: <function no_ilike_sql>, <class 'sqlglot.expressions.JSONExtractScalar'>: <function arrow_json_extract_sql>, <class 'sqlglot.expressions.Max'>: <function max_or_greatest>, <class 'sqlglot.expressions.Min'>: <function min_or_least>, <class 'sqlglot.expressions.Month'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.NullSafeEQ'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.NullSafeNEQ'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.Pivot'>: <function no_pivot_sql>, <class 'sqlglot.expressions.Select'>: <function preprocess.<locals>._to_sql>, <class 'sqlglot.expressions.StrPosition'>: <function strposition_to_locate_sql>, <class 'sqlglot.expressions.StrToDate'>: <function _str_to_date_sql>, <class 'sqlglot.expressions.StrToTime'>: <function _str_to_date_sql>, <class 'sqlglot.expressions.Stuff'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TableSample'>: <function no_tablesample_sql>, <class 'sqlglot.expressions.TimeFromParts'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TimestampAdd'>: <function date_add_interval_sql.<locals>.func>, <class 'sqlglot.expressions.TimestampDiff'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TimestampSub'>: <function date_add_interval_sql.<locals>.func>, <class 'sqlglot.expressions.TimeStrToUnix'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TimeStrToTime'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TimeToStr'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.Trim'>: <function trim_sql>, <class 'sqlglot.expressions.TryCast'>: <function no_trycast_sql>, <class 'sqlglot.expressions.TsOrDsAdd'>: <function date_add_sql.<locals>.func>, <class 'sqlglot.expressions.TsOrDsDiff'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TsOrDsToDate'>: <function _ts_or_ds_to_date_sql>, <class 'sqlglot.expressions.UnixToTime'>: <function _unix_to_time_sql>, <class 'sqlglot.expressions.Week'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.WeekOfYear'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.Year'>: <function _remove_ts_or_ds_to_date.<locals>.func>}
UNSIGNED_TYPE_MAPPING = {<Type.UBIGINT: 'UBIGINT'>: 'BIGINT', <Type.UINT: 'UINT'>: 'INT', <Type.UMEDIUMINT: 'UMEDIUMINT'>: 'MEDIUMINT', <Type.USMALLINT: 'USMALLINT'>: 'SMALLINT', <Type.UTINYINT: 'UTINYINT'>: 'TINYINT', <Type.UDECIMAL: 'UDECIMAL'>: 'DECIMAL'}
TIMESTAMP_TYPE_MAPPING = {<Type.TIMESTAMP: 'TIMESTAMP'>: 'DATETIME', <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: 'TIMESTAMP', <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>: 'TIMESTAMP'}
TYPE_MAPPING = {<Type.NCHAR: 'NCHAR'>: 'CHAR', <Type.NVARCHAR: 'NVARCHAR'>: 'VARCHAR', <Type.INET: 'INET'>: 'INET', <Type.ROWVERSION: 'ROWVERSION'>: 'VARBINARY', <Type.UBIGINT: 'UBIGINT'>: 'BIGINT', <Type.UINT: 'UINT'>: 'INT', <Type.UMEDIUMINT: 'UMEDIUMINT'>: 'MEDIUMINT', <Type.USMALLINT: 'USMALLINT'>: 'SMALLINT', <Type.UTINYINT: 'UTINYINT'>: 'TINYINT', <Type.UDECIMAL: 'UDECIMAL'>: 'DECIMAL', <Type.TIMESTAMP: 'TIMESTAMP'>: 'DATETIME', <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: 'TIMESTAMP', <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>: 'TIMESTAMP'}
PROPERTIES_LOCATION = {<class 'sqlglot.expressions.AllowedValuesProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.AlgorithmProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.AutoIncrementProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.AutoRefreshProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.BackupProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.BlockCompressionProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.CharacterSetProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ChecksumProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.CollateProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.CopyGrantsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Cluster'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ClusteredByProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.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.EngineProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ExecuteAsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ExternalProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.FallbackProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.FileFormatProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.FreespaceProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.GlobalProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.HeapProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.InheritsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.IcebergProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.InputModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.IsolatedLoadingProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.JournalProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.LanguageProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LikeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LocationProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LockProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LockingProperty'>: <Location.POST_ALIAS: 'POST_ALIAS'>, <class 'sqlglot.expressions.LogProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.MaterializedProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.MergeBlockRatioProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.NoPrimaryIndexProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.OnProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.OnCommitProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.Order'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.OutputModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.PartitionedByProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.PartitionedOfProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.PrimaryKey'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Property'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.RemoteWithConnectionModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ReturnsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatDelimitedProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatSerdeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SampleProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SchemaCommentProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.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.StreamingTableProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.StrictProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.TemporaryProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.ToTableProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.TransientProperty'>: <Location.UNSUPPORTED: 'UNSUPPORTED'>, <class 'sqlglot.expressions.TransformModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.MergeTreeTTL'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.UnloggedProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.ViewAttributeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.VolatileProperty'>: <Location.UNSUPPORTED: 'UNSUPPORTED'>, <class 'sqlglot.expressions.WithDataProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.WithJournalTableProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.WithSchemaBindingProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.WithSystemVersioningProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>}
LIMIT_FETCH = 'LIMIT'
LIMIT_ONLY_LITERALS = True
CHAR_CAST_MAPPING = {<Type.LONGTEXT: 'LONGTEXT'>: 'CHAR', <Type.LONGBLOB: 'LONGBLOB'>: 'CHAR', <Type.MEDIUMBLOB: 'MEDIUMBLOB'>: 'CHAR', <Type.MEDIUMTEXT: 'MEDIUMTEXT'>: 'CHAR', <Type.TEXT: 'TEXT'>: 'CHAR', <Type.TINYBLOB: 'TINYBLOB'>: 'CHAR', <Type.TINYTEXT: 'TINYTEXT'>: 'CHAR', <Type.VARCHAR: 'VARCHAR'>: 'CHAR'}
SIGNED_CAST_MAPPING = {<Type.BIGINT: 'BIGINT'>: 'SIGNED', <Type.BOOLEAN: 'BOOLEAN'>: 'SIGNED', <Type.INT: 'INT'>: 'SIGNED', <Type.SMALLINT: 'SMALLINT'>: 'SIGNED', <Type.TINYINT: 'TINYINT'>: 'SIGNED', <Type.MEDIUMINT: 'MEDIUMINT'>: 'SIGNED'}
CAST_MAPPING = {<Type.LONGTEXT: 'LONGTEXT'>: 'CHAR', <Type.LONGBLOB: 'LONGBLOB'>: 'CHAR', <Type.MEDIUMBLOB: 'MEDIUMBLOB'>: 'CHAR', <Type.MEDIUMTEXT: 'MEDIUMTEXT'>: 'CHAR', <Type.TEXT: 'TEXT'>: 'CHAR', <Type.TINYBLOB: 'TINYBLOB'>: 'CHAR', <Type.TINYTEXT: 'TINYTEXT'>: 'CHAR', <Type.VARCHAR: 'VARCHAR'>: 'CHAR', <Type.BIGINT: 'BIGINT'>: 'SIGNED', <Type.BOOLEAN: 'BOOLEAN'>: 'SIGNED', <Type.INT: 'INT'>: 'SIGNED', <Type.SMALLINT: 'SMALLINT'>: 'SIGNED', <Type.TINYINT: 'TINYINT'>: 'SIGNED', <Type.MEDIUMINT: 'MEDIUMINT'>: 'SIGNED', <Type.UBIGINT: 'UBIGINT'>: 'UNSIGNED'}
TIMESTAMP_FUNC_TYPES = {<Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>}
RESERVED_KEYWORDS = {'distinctrow', 'false', 'between', 'resignal', 'current_user', 'iterate', 'varbinary', 'read', 'hour_minute', 'separator', 'ntile', 'desc', 'index', 'zerofill', 'tinyint', 'current_time', 'starting', 'unlock', 'cursor', 'as', 'modifies', 'except', 'hour_second', 'delayed', 'day_hour', 'accessible', 'reads', 'utc_timestamp', 'asensitive', 'case', 'varchar', 'both', 'left', 'replace', 'option', 'when', 'distinct', 'sqlstate', 'check', 'true', 'not', 'sql', 'undo', 'join', 'repeat', 'outer', 'from', 'grouping', 'elseif', 'virtual', 'where', 'tinytext', 'char', 'all', 'numeric', 'nth_value', 'partition', 'high_priority', 'describe', 'blob', 'while', 'trigger', 'year_month', 'else', 'exists', 'select', 'references', 'maxvalue', 'master_ssl_verify_server_cert', 'load', 'mediumint', 'collate', 'convert', 'dec', 'spatial', 'ssl', 'escaped', 'int1', 'second_microsecond', 'use', 'binary', 'optimize', 'linear', 'schema', 'sqlexception', 'json_table', 'to', 'inout', 'read_write', 'specific', 'smallint', 'usage', 'system', 'straight_join', 'unique', 'databases', 'float8', 'or', 'lines', 'regexp', 'analyze', 'purge', 'rows', 'int8', 'condition', 'master_bind', 'default', 'hour_microsecond', 'cume_dist', 'day_microsecond', 'fulltext', 'using', 'foreign', 'mod', 'decimal', 'first_value', 'natural', 'optimizer_costs', 'on', 'asc', 'percent_rank', 'varcharacter', 'limit', 'explain', 'set', 'get', 'enclosed', 'rename', 'inner', 'keys', 'then', 'lateral', 'dual', 'double', 'long', 'middleint', 'day_minute', 'day_second', 'add', 'terminated', 'groups', 'database', 'null', 'leading', 'generated', 'intersect', 'return', 'deterministic', 'leave', 'float', 'of', 'outfile', 'localtimestamp', 'alter', 'range', 'create', 'like', 'mediumtext', 'lead', 'revoke', 'optionally', 'rank', 'dense_rank', 'kill', 'lag', 'mediumblob', 'having', 'minute_microsecond', 'no_write_to_binlog', 'longblob', 'int2', 'minute_second', 'before', 'table', 'continue', 'last_value', 'cascade', 'lock', 'is', 'change', 'sqlwarning', 'int3', 'utc_time', 'column', 'int', 'infile', 'cube', 'empty', 'real', 'bigint', 'row_number', 'recursive', 'io_after_gtids', 'constraint', 'sensitive', 'rlike', 'integer', 'ignore', 'update', 'sql_big_result', 'grant', 'drop', 'with', 'loop', 'interval', 'signal', 'require', 'exit', 'row', 'sql_calc_found_rows', 'insert', 'int4', 'and', 'tinyblob', 'sql_small_result', 'group', 'longtext', 'varying', 'key', 'values', 'union', 'xor', 'low_priority', 'current_timestamp', 'each', 'current_date', 'fetch', 'precision', 'over', 'io_before_gtids', 'float4', 'insensitive', 'window', 'stored', 'div', 'localtime', 'match', 'order', 'if', 'into', 'write', 'delete', 'for', 'force', 'call', 'schemas', 'trailing', 'declare', 'primary', 'utc_date', 'character', 'in', 'restrict', 'out', 'procedure', 'unsigned', 'right', 'function', 'show', 'by', 'cross', 'release'}
def array_sql(self, expression: sqlglot.expressions.Array) -> str:
1102        def array_sql(self, expression: exp.Array) -> str:
1103            self.unsupported("Arrays are not supported by MySQL")
1104            return self.function_fallback_sql(expression)
def arraycontainsall_sql(self, expression: sqlglot.expressions.ArrayContainsAll) -> str:
1106        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1107            self.unsupported("Array operations are not supported by MySQL")
1108            return self.function_fallback_sql(expression)
def dpipe_sql(self, expression: sqlglot.expressions.DPipe) -> str:
1110        def dpipe_sql(self, expression: exp.DPipe) -> str:
1111            return self.func("CONCAT", *expression.flatten())
def extract_sql(self, expression: sqlglot.expressions.Extract) -> str:
1113        def extract_sql(self, expression: exp.Extract) -> str:
1114            unit = expression.name
1115            if unit and unit.lower() == "epoch":
1116                return self.func("UNIX_TIMESTAMP", expression.expression)
1117
1118            return super().extract_sql(expression)
def datatype_sql(self, expression: sqlglot.expressions.DataType) -> str:
1120        def datatype_sql(self, expression: exp.DataType) -> str:
1121            if (
1122                self.VARCHAR_REQUIRES_SIZE
1123                and expression.is_type(exp.DataType.Type.VARCHAR)
1124                and not expression.expressions
1125            ):
1126                # `VARCHAR` must always have a size - if it doesn't, we always generate `TEXT`
1127                return "TEXT"
1128
1129            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1130            result = super().datatype_sql(expression)
1131            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1132                result = f"{result} UNSIGNED"
1133
1134            return result
def jsonarraycontains_sql(self, expression: sqlglot.expressions.JSONArrayContains) -> str:
1136        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1137            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:
1139        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1140            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1141                return self.func("TIMESTAMP", expression.this)
1142
1143            to = self.CAST_MAPPING.get(expression.to.this)
1144
1145            if to:
1146                expression.to.set("this", to)
1147            return super().cast_sql(expression)
def show_sql(self, expression: sqlglot.expressions.Show) -> str:
1149        def show_sql(self, expression: exp.Show) -> str:
1150            this = f" {expression.name}"
1151            full = " FULL" if expression.args.get("full") else ""
1152            global_ = " GLOBAL" if expression.args.get("global") else ""
1153
1154            target = self.sql(expression, "target")
1155            target = f" {target}" if target else ""
1156            if expression.name in ("COLUMNS", "INDEX"):
1157                target = f" FROM{target}"
1158            elif expression.name == "GRANTS":
1159                target = f" FOR{target}"
1160
1161            db = self._prefixed_sql("FROM", expression, "db")
1162
1163            like = self._prefixed_sql("LIKE", expression, "like")
1164            where = self.sql(expression, "where")
1165
1166            types = self.expressions(expression, key="types")
1167            types = f" {types}" if types else types
1168            query = self._prefixed_sql("FOR QUERY", expression, "query")
1169
1170            if expression.name == "PROFILE":
1171                offset = self._prefixed_sql("OFFSET", expression, "offset")
1172                limit = self._prefixed_sql("LIMIT", expression, "limit")
1173            else:
1174                offset = ""
1175                limit = self._oldstyle_limit_sql(expression)
1176
1177            log = self._prefixed_sql("IN", expression, "log")
1178            position = self._prefixed_sql("FROM", expression, "position")
1179
1180            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1181
1182            if expression.name == "ENGINE":
1183                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1184            else:
1185                mutex_or_status = ""
1186
1187            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:
1189        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1190            dtype = self.sql(expression, "dtype")
1191            if not dtype:
1192                return super().altercolumn_sql(expression)
1193
1194            this = self.sql(expression, "this")
1195            return f"MODIFY COLUMN {this} {dtype}"
def chr_sql(self, expression: sqlglot.expressions.Chr) -> str:
1209        def chr_sql(self, expression: exp.Chr) -> str:
1210            this = self.expressions(sqls=[expression.this] + expression.expressions)
1211            charset = expression.args.get("charset")
1212            using = f" USING {self.sql(charset)}" if charset else ""
1213            return f"CHAR({this}{using})"
def timestamptrunc_sql(self, expression: sqlglot.expressions.TimestampTrunc) -> str:
1215        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1216            unit = expression.args.get("unit")
1217
1218            # Pick an old-enough date to avoid negative timestamp diffs
1219            start_ts = "'0000-01-01 00:00:00'"
1220
1221            # Source: https://stackoverflow.com/a/32955740
1222            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1223            interval = exp.Interval(this=timestamp_diff, unit=unit)
1224            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1225
1226            return self.sql(dateadd)
def converttimezone_sql(self, expression: sqlglot.expressions.ConvertTimezone) -> str:
1228        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1229            from_tz = expression.args.get("source_tz")
1230            to_tz = expression.args.get("target_tz")
1231            dt = expression.args.get("timestamp")
1232
1233            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
def attimezone_sql(self, expression: sqlglot.expressions.AtTimeZone) -> str:
1235        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1236            self.unsupported("AT TIME ZONE is not supported by MySQL")
1237            return self.sql(expression.this)
SELECT_KINDS: Tuple[str, ...] = ()
TRY_SUPPORTED = False
SUPPORTS_UESCAPE = False
AFTER_HAVING_MODIFIER_TRANSFORMS = {'windows': <function Generator.<lambda>>, 'qualify': <function Generator.<lambda>>}
Inherited Members
sqlglot.generator.Generator
Generator
IGNORE_NULLS_IN_FUNC
EXCEPT_INTERSECT_SUPPORT_ALL_CLAUSE
CREATE_FUNCTION_RETURN_AS
MATCHED_BY_SOURCE
SINGLE_STRING_INTERVAL
RENAME_TABLE_WITH_DB
GROUPINGS_SEP
INDEX_ON
QUERY_HINTS
IS_BOOL_ALLOWED
LIMIT_IS_TOP
RETURNING_END
EXTRACT_ALLOWS_QUOTES
TZ_TO_WITH_TIME_ZONE
ALTER_TABLE_INCLUDE_COLUMN_KEYWORD
UNNEST_WITH_ORDINALITY
AGGREGATE_FILTER_SUPPORTED
SEMI_ANTI_JOIN_WITH_SIDE
COMPUTED_COLUMN_WITH_TYPE
SUPPORTS_TABLE_COPY
TABLESAMPLE_REQUIRES_PARENS
TABLESAMPLE_SIZE_IS_ROWS
TABLESAMPLE_KEYWORDS
TABLESAMPLE_WITH_METHOD
TABLESAMPLE_SEED_KEYWORD
COLLATE_IS_FUNC
DATA_TYPE_SPECIFIERS_ALLOWED
ENSURE_BOOLS
CTE_RECURSIVE_KEYWORD_REQUIRED
SUPPORTS_SINGLE_ARG_CONCAT
SUPPORTS_TABLE_ALIAS_COLUMNS
UNPIVOT_ALIASES_ARE_IDENTIFIERS
INSERT_OVERWRITE
SUPPORTS_SELECT_INTO
SUPPORTS_UNLOGGED_TABLES
SUPPORTS_CREATE_TABLE_LIKE
LIKE_PROPERTY_INSIDE_SCHEMA
MULTI_ARG_DISTINCT
JSON_PATH_SINGLE_QUOTE_ESCAPE
SUPPORTED_JSON_PATH_PARTS
CAN_IMPLEMENT_ARRAY_ANY
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
TIME_PART_SINGULARS
TOKEN_MAPPING
STRUCT_DELIMITER
PARAMETER_TOKEN
NAMED_PLACEHOLDER_TOKEN
WITH_SEPARATED_COMMENTS
EXCLUDE_COMMENTS
UNWRAPPED_INTERVAL_VALUES
PARAMETERIZABLE_TEXT_TYPES
EXPRESSIONS_WITHOUT_NESTED_CTES
SENTINEL_LINE_BREAK
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