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

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

IDENTIFIERS_CAN_START_WITH_DIGIT = True

Whether an unquoted identifier can start with a digit.

NORMALIZATION_STRATEGY = <NormalizationStrategy.CASE_SENSITIVE: 'CASE_SENSITIVE'>

Specifies the strategy according to which identifiers should be normalized.

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

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

SUPPORTS_USER_DEFINED_TYPES = False

Whether user-defined data types are supported.

SUPPORTS_SEMI_ANTI_JOIN = False

Whether SEMI or ANTI joins are supported.

SAFE_DIVISION = True

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

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

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

SUPPORTS_COLUMN_JOIN_MARKS = False

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

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

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

tokenizer_class = <class 'MySQL.Tokenizer'>
jsonpath_tokenizer_class = <class 'sqlglot.tokens.JSONPathTokenizer'>
parser_class = <class 'MySQL.Parser'>
generator_class = <class 'MySQL.Generator'>
TIME_TRIE: Dict = {'%': {'M': {0: True}, 'c': {0: True}, 'e': {0: True}, 'h': {0: True}, 'i': {0: True}, 's': {0: True}, 'u': {0: True}, 'k': {0: True}, 'l': {0: True}, 'T': {0: True}, 'W': {0: True}}}
FORMAT_TRIE: Dict = {'%': {'M': {0: True}, 'c': {0: True}, 'e': {0: True}, 'h': {0: True}, 'i': {0: True}, 's': {0: True}, 'u': {0: True}, 'k': {0: True}, 'l': {0: True}, 'T': {0: True}, 'W': {0: True}}}
INVERSE_TIME_MAPPING: Dict[str, str] = {'%B': '%M', '%-m': '%c', '%-d': '%e', '%I': '%h', '%M': '%i', '%S': '%s', '%W': '%u', '%-H': '%k', '%-I': '%l', '%H:%M:%S': '%T', '%A': '%W'}
INVERSE_TIME_TRIE: Dict = {'%': {'B': {0: True}, '-': {'m': {0: True}, 'd': {0: True}, 'H': {0: True}, 'I': {0: True}}, 'I': {0: True}, 'M': {0: True}, 'S': {0: True}, 'W': {0: True}, 'H': {':': {'%': {'M': {':': {'%': {'S': {0: True}}}}}}}, 'A': {0: True}}}
INVERSE_FORMAT_MAPPING: Dict[str, str] = {}
INVERSE_FORMAT_TRIE: Dict = {}
INVERSE_CREATABLE_KIND_MAPPING: dict[str, str] = {}
ESCAPED_SEQUENCES: Dict[str, str] = {'\x07': '\\a', '\x08': '\\b', '\x0c': '\\f', '\n': '\\n', '\r': '\\r', '\t': '\\t', '\x0b': '\\v', '\\': '\\\\'}
QUOTE_START = "'"
QUOTE_END = "'"
IDENTIFIER_START = '`'
IDENTIFIER_END = '`'
BIT_START: Optional[str] = "b'"
BIT_END: Optional[str] = "'"
HEX_START: Optional[str] = "x'"
HEX_END: Optional[str] = "'"
BYTE_START: Optional[str] = None
BYTE_END: Optional[str] = None
UNICODE_START: Optional[str] = None
UNICODE_END: Optional[str] = None
class MySQL.Tokenizer(sqlglot.tokens.Tokenizer):
182    class Tokenizer(tokens.Tokenizer):
183        QUOTES = ["'", '"']
184        COMMENTS = ["--", "#", ("/*", "*/")]
185        IDENTIFIERS = ["`"]
186        STRING_ESCAPES = ["'", '"', "\\"]
187        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
188        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
189
190        KEYWORDS = {
191            **tokens.Tokenizer.KEYWORDS,
192            "CHARSET": TokenType.CHARACTER_SET,
193            # The DESCRIBE and EXPLAIN statements are synonyms.
194            # https://dev.mysql.com/doc/refman/8.4/en/explain.html
195            "EXPLAIN": TokenType.DESCRIBE,
196            "FORCE": TokenType.FORCE,
197            "IGNORE": TokenType.IGNORE,
198            "KEY": TokenType.KEY,
199            "LOCK TABLES": TokenType.COMMAND,
200            "LONGBLOB": TokenType.LONGBLOB,
201            "LONGTEXT": TokenType.LONGTEXT,
202            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
203            "TINYBLOB": TokenType.TINYBLOB,
204            "TINYTEXT": TokenType.TINYTEXT,
205            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
206            "MEDIUMINT": TokenType.MEDIUMINT,
207            "MEMBER OF": TokenType.MEMBER_OF,
208            "SEPARATOR": TokenType.SEPARATOR,
209            "START": TokenType.BEGIN,
210            "SIGNED": TokenType.BIGINT,
211            "SIGNED INTEGER": TokenType.BIGINT,
212            "UNLOCK TABLES": TokenType.COMMAND,
213            "UNSIGNED": TokenType.UBIGINT,
214            "UNSIGNED INTEGER": TokenType.UBIGINT,
215            "YEAR": TokenType.YEAR,
216            "_ARMSCII8": TokenType.INTRODUCER,
217            "_ASCII": TokenType.INTRODUCER,
218            "_BIG5": TokenType.INTRODUCER,
219            "_BINARY": TokenType.INTRODUCER,
220            "_CP1250": TokenType.INTRODUCER,
221            "_CP1251": TokenType.INTRODUCER,
222            "_CP1256": TokenType.INTRODUCER,
223            "_CP1257": TokenType.INTRODUCER,
224            "_CP850": TokenType.INTRODUCER,
225            "_CP852": TokenType.INTRODUCER,
226            "_CP866": TokenType.INTRODUCER,
227            "_CP932": TokenType.INTRODUCER,
228            "_DEC8": TokenType.INTRODUCER,
229            "_EUCJPMS": TokenType.INTRODUCER,
230            "_EUCKR": TokenType.INTRODUCER,
231            "_GB18030": TokenType.INTRODUCER,
232            "_GB2312": TokenType.INTRODUCER,
233            "_GBK": TokenType.INTRODUCER,
234            "_GEOSTD8": TokenType.INTRODUCER,
235            "_GREEK": TokenType.INTRODUCER,
236            "_HEBREW": TokenType.INTRODUCER,
237            "_HP8": TokenType.INTRODUCER,
238            "_KEYBCS2": TokenType.INTRODUCER,
239            "_KOI8R": TokenType.INTRODUCER,
240            "_KOI8U": TokenType.INTRODUCER,
241            "_LATIN1": TokenType.INTRODUCER,
242            "_LATIN2": TokenType.INTRODUCER,
243            "_LATIN5": TokenType.INTRODUCER,
244            "_LATIN7": TokenType.INTRODUCER,
245            "_MACCE": TokenType.INTRODUCER,
246            "_MACROMAN": TokenType.INTRODUCER,
247            "_SJIS": TokenType.INTRODUCER,
248            "_SWE7": TokenType.INTRODUCER,
249            "_TIS620": TokenType.INTRODUCER,
250            "_UCS2": TokenType.INTRODUCER,
251            "_UJIS": TokenType.INTRODUCER,
252            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
253            "_UTF8": TokenType.INTRODUCER,
254            "_UTF16": TokenType.INTRODUCER,
255            "_UTF16LE": TokenType.INTRODUCER,
256            "_UTF32": TokenType.INTRODUCER,
257            "_UTF8MB3": TokenType.INTRODUCER,
258            "_UTF8MB4": TokenType.INTRODUCER,
259            "@@": TokenType.SESSION_PARAMETER,
260        }
261
262        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'>, 'DECIMAL256': <TokenType.DECIMAL256: 'DECIMAL256'>, 'BIGDECIMAL': <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, 'BIGNUMERIC': <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, 'LIST': <TokenType.LIST: 'LIST'>, 'MAP': <TokenType.MAP: 'MAP'>, 'NULLABLE': <TokenType.NULLABLE: 'NULLABLE'>, 'NUMBER': <TokenType.DECIMAL: 'DECIMAL'>, 'NUMERIC': <TokenType.DECIMAL: 'DECIMAL'>, 'FIXED': <TokenType.DECIMAL: 'DECIMAL'>, 'REAL': <TokenType.FLOAT: 'FLOAT'>, 'FLOAT': <TokenType.FLOAT: 'FLOAT'>, 'FLOAT4': <TokenType.FLOAT: 'FLOAT'>, 'FLOAT8': <TokenType.DOUBLE: 'DOUBLE'>, 'DOUBLE': <TokenType.DOUBLE: 'DOUBLE'>, 'DOUBLE PRECISION': <TokenType.DOUBLE: 'DOUBLE'>, 'JSON': <TokenType.JSON: 'JSON'>, 'JSONB': <TokenType.JSONB: 'JSONB'>, 'CHAR': <TokenType.CHAR: 'CHAR'>, 'CHARACTER': <TokenType.CHAR: 'CHAR'>, '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.DESCRIBE: 'DESCRIBE'>, 'GRANT': <TokenType.GRANT: 'GRANT'>, 'OPTIMIZE': <TokenType.COMMAND: 'COMMAND'>, 'PREPARE': <TokenType.COMMAND: 'COMMAND'>, 'VACUUM': <TokenType.COMMAND: 'COMMAND'>, 'USER-DEFINED': <TokenType.USERDEFINED: 'USERDEFINED'>, 'FOR VERSION': <TokenType.VERSION_SNAPSHOT: 'VERSION_SNAPSHOT'>, 'FOR TIMESTAMP': <TokenType.TIMESTAMP_SNAPSHOT: 'TIMESTAMP_SNAPSHOT'>, 'CHARSET': <TokenType.CHARACTER_SET: 'CHARACTER_SET'>, 'FORCE': <TokenType.FORCE: 'FORCE'>, 'IGNORE': <TokenType.IGNORE: 'IGNORE'>, 'KEY': <TokenType.KEY: 'KEY'>, 'LOCK TABLES': <TokenType.COMMAND: 'COMMAND'>, 'MEMBER OF': <TokenType.MEMBER_OF: 'MEMBER_OF'>, 'SEPARATOR': <TokenType.SEPARATOR: 'SEPARATOR'>, 'START': <TokenType.BEGIN: 'BEGIN'>, 'SIGNED': <TokenType.BIGINT: 'BIGINT'>, 'SIGNED INTEGER': <TokenType.BIGINT: 'BIGINT'>, 'UNLOCK TABLES': <TokenType.COMMAND: 'COMMAND'>, 'UNSIGNED': <TokenType.UBIGINT: 'UBIGINT'>, 'UNSIGNED INTEGER': <TokenType.UBIGINT: 'UBIGINT'>, 'YEAR': <TokenType.YEAR: 'YEAR'>, '_ARMSCII8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_ASCII': <TokenType.INTRODUCER: 'INTRODUCER'>, '_BIG5': <TokenType.INTRODUCER: 'INTRODUCER'>, '_BINARY': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1250': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1251': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1256': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1257': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP850': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP852': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP866': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP932': <TokenType.INTRODUCER: 'INTRODUCER'>, '_DEC8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_EUCJPMS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_EUCKR': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GB18030': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GB2312': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GBK': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GEOSTD8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GREEK': <TokenType.INTRODUCER: 'INTRODUCER'>, '_HEBREW': <TokenType.INTRODUCER: 'INTRODUCER'>, '_HP8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KEYBCS2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KOI8R': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KOI8U': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN1': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN5': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN7': <TokenType.INTRODUCER: 'INTRODUCER'>, '_MACCE': <TokenType.INTRODUCER: 'INTRODUCER'>, '_MACROMAN': <TokenType.INTRODUCER: 'INTRODUCER'>, '_SJIS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_SWE7': <TokenType.INTRODUCER: 'INTRODUCER'>, '_TIS620': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UCS2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UJIS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF16': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF16LE': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF32': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8MB3': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8MB4': <TokenType.INTRODUCER: 'INTRODUCER'>, '@@': <TokenType.SESSION_PARAMETER: 'SESSION_PARAMETER'>}
COMMANDS = {<TokenType.FETCH: 'FETCH'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.RENAME: 'RENAME'>}
class MySQL.Parser(sqlglot.parser.Parser):
264    class Parser(parser.Parser):
265        FUNC_TOKENS = {
266            *parser.Parser.FUNC_TOKENS,
267            TokenType.DATABASE,
268            TokenType.SCHEMA,
269            TokenType.VALUES,
270        }
271
272        CONJUNCTION = {
273            **parser.Parser.CONJUNCTION,
274            TokenType.DAMP: exp.And,
275            TokenType.XOR: exp.Xor,
276        }
277
278        DISJUNCTION = {
279            **parser.Parser.DISJUNCTION,
280            TokenType.DPIPE: exp.Or,
281        }
282
283        TABLE_ALIAS_TOKENS = (
284            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
285        )
286
287        RANGE_PARSERS = {
288            **parser.Parser.RANGE_PARSERS,
289            TokenType.MEMBER_OF: lambda self, this: self.expression(
290                exp.JSONArrayContains,
291                this=this,
292                expression=self._parse_wrapped(self._parse_expression),
293            ),
294        }
295
296        FUNCTIONS = {
297            **parser.Parser.FUNCTIONS,
298            "CHAR_LENGTH": exp.Length.from_arg_list,
299            "CHARACTER_LENGTH": exp.Length.from_arg_list,
300            "CONVERT_TZ": lambda args: exp.ConvertTimezone(
301                source_tz=seq_get(args, 1), target_tz=seq_get(args, 2), timestamp=seq_get(args, 0)
302            ),
303            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
304            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
305            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
306            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
307            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
308            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
309            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
310            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
311            "FORMAT": exp.NumberToStr.from_arg_list,
312            "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"),
313            "ISNULL": isnull_to_is_null,
314            "LOCATE": locate_to_strposition,
315            "MAKETIME": exp.TimeFromParts.from_arg_list,
316            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
317            "MONTHNAME": lambda args: exp.TimeToStr(
318                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
319                format=exp.Literal.string("%B"),
320            ),
321            "STR_TO_DATE": _str_to_date,
322            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
323            "TO_DAYS": lambda args: exp.paren(
324                exp.DateDiff(
325                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
326                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
327                    unit=exp.var("DAY"),
328                )
329                + 1
330            ),
331            "WEEK": lambda args: exp.Week(
332                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
333            ),
334            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
335            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
336        }
337
338        FUNCTION_PARSERS = {
339            **parser.Parser.FUNCTION_PARSERS,
340            "CHAR": lambda self: self.expression(
341                exp.Chr,
342                expressions=self._parse_csv(self._parse_assignment),
343                charset=self._match(TokenType.USING) and self._parse_var(),
344            ),
345            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
346            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
347            "VALUES": lambda self: self.expression(
348                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
349            ),
350            "JSON_VALUE": lambda self: self._parse_json_value(),
351        }
352
353        STATEMENT_PARSERS = {
354            **parser.Parser.STATEMENT_PARSERS,
355            TokenType.SHOW: lambda self: self._parse_show(),
356        }
357
358        SHOW_PARSERS = {
359            "BINARY LOGS": _show_parser("BINARY LOGS"),
360            "MASTER LOGS": _show_parser("BINARY LOGS"),
361            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
362            "CHARACTER SET": _show_parser("CHARACTER SET"),
363            "CHARSET": _show_parser("CHARACTER SET"),
364            "COLLATION": _show_parser("COLLATION"),
365            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
366            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
367            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
368            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
369            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
370            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
371            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
372            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
373            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
374            "DATABASES": _show_parser("DATABASES"),
375            "SCHEMAS": _show_parser("DATABASES"),
376            "ENGINE": _show_parser("ENGINE", target=True),
377            "STORAGE ENGINES": _show_parser("ENGINES"),
378            "ENGINES": _show_parser("ENGINES"),
379            "ERRORS": _show_parser("ERRORS"),
380            "EVENTS": _show_parser("EVENTS"),
381            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
382            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
383            "GRANTS": _show_parser("GRANTS", target="FOR"),
384            "INDEX": _show_parser("INDEX", target="FROM"),
385            "MASTER STATUS": _show_parser("MASTER STATUS"),
386            "OPEN TABLES": _show_parser("OPEN TABLES"),
387            "PLUGINS": _show_parser("PLUGINS"),
388            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
389            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
390            "PRIVILEGES": _show_parser("PRIVILEGES"),
391            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
392            "PROCESSLIST": _show_parser("PROCESSLIST"),
393            "PROFILE": _show_parser("PROFILE"),
394            "PROFILES": _show_parser("PROFILES"),
395            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
396            "REPLICAS": _show_parser("REPLICAS"),
397            "SLAVE HOSTS": _show_parser("REPLICAS"),
398            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
399            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
400            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
401            "SESSION STATUS": _show_parser("STATUS"),
402            "STATUS": _show_parser("STATUS"),
403            "TABLE STATUS": _show_parser("TABLE STATUS"),
404            "FULL TABLES": _show_parser("TABLES", full=True),
405            "TABLES": _show_parser("TABLES"),
406            "TRIGGERS": _show_parser("TRIGGERS"),
407            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
408            "SESSION VARIABLES": _show_parser("VARIABLES"),
409            "VARIABLES": _show_parser("VARIABLES"),
410            "WARNINGS": _show_parser("WARNINGS"),
411        }
412
413        PROPERTY_PARSERS = {
414            **parser.Parser.PROPERTY_PARSERS,
415            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
416        }
417
418        SET_PARSERS = {
419            **parser.Parser.SET_PARSERS,
420            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
421            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
422            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
423            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
424            "NAMES": lambda self: self._parse_set_item_names(),
425        }
426
427        CONSTRAINT_PARSERS = {
428            **parser.Parser.CONSTRAINT_PARSERS,
429            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
430            "INDEX": lambda self: self._parse_index_constraint(),
431            "KEY": lambda self: self._parse_index_constraint(),
432            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
433        }
434
435        ALTER_PARSERS = {
436            **parser.Parser.ALTER_PARSERS,
437            "MODIFY": lambda self: self._parse_alter_table_alter(),
438        }
439
440        SCHEMA_UNNAMED_CONSTRAINTS = {
441            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
442            "FULLTEXT",
443            "INDEX",
444            "KEY",
445            "SPATIAL",
446        }
447
448        PROFILE_TYPES: parser.OPTIONS_TYPE = {
449            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
450            "BLOCK": ("IO",),
451            "CONTEXT": ("SWITCHES",),
452            "PAGE": ("FAULTS",),
453        }
454
455        TYPE_TOKENS = {
456            *parser.Parser.TYPE_TOKENS,
457            TokenType.SET,
458        }
459
460        ENUM_TYPE_TOKENS = {
461            *parser.Parser.ENUM_TYPE_TOKENS,
462            TokenType.SET,
463        }
464
465        # SELECT [ ALL | DISTINCT | DISTINCTROW ] [ <OPERATION_MODIFIERS> ]
466        OPERATION_MODIFIERS = {
467            "HIGH_PRIORITY",
468            "STRAIGHT_JOIN",
469            "SQL_SMALL_RESULT",
470            "SQL_BIG_RESULT",
471            "SQL_BUFFER_RESULT",
472            "SQL_NO_CACHE",
473            "SQL_CALC_FOUND_ROWS",
474        }
475
476        LOG_DEFAULTS_TO_LN = True
477        STRING_ALIASES = True
478        VALUES_FOLLOWED_BY_PAREN = False
479        SUPPORTS_PARTITION_SELECTION = True
480
481        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
482            this = self._parse_id_var()
483            if not self._match(TokenType.L_PAREN):
484                return this
485
486            expression = self._parse_number()
487            self._match_r_paren()
488            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
489
490        def _parse_index_constraint(
491            self, kind: t.Optional[str] = None
492        ) -> exp.IndexColumnConstraint:
493            if kind:
494                self._match_texts(("INDEX", "KEY"))
495
496            this = self._parse_id_var(any_token=False)
497            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
498            expressions = self._parse_wrapped_csv(self._parse_ordered)
499
500            options = []
501            while True:
502                if self._match_text_seq("KEY_BLOCK_SIZE"):
503                    self._match(TokenType.EQ)
504                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
505                elif self._match(TokenType.USING):
506                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
507                elif self._match_text_seq("WITH", "PARSER"):
508                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
509                elif self._match(TokenType.COMMENT):
510                    opt = exp.IndexConstraintOption(comment=self._parse_string())
511                elif self._match_text_seq("VISIBLE"):
512                    opt = exp.IndexConstraintOption(visible=True)
513                elif self._match_text_seq("INVISIBLE"):
514                    opt = exp.IndexConstraintOption(visible=False)
515                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
516                    self._match(TokenType.EQ)
517                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
518                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
519                    self._match(TokenType.EQ)
520                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
521                else:
522                    opt = None
523
524                if not opt:
525                    break
526
527                options.append(opt)
528
529            return self.expression(
530                exp.IndexColumnConstraint,
531                this=this,
532                expressions=expressions,
533                kind=kind,
534                index_type=index_type,
535                options=options,
536            )
537
538        def _parse_show_mysql(
539            self,
540            this: str,
541            target: bool | str = False,
542            full: t.Optional[bool] = None,
543            global_: t.Optional[bool] = None,
544        ) -> exp.Show:
545            if target:
546                if isinstance(target, str):
547                    self._match_text_seq(target)
548                target_id = self._parse_id_var()
549            else:
550                target_id = None
551
552            log = self._parse_string() if self._match_text_seq("IN") else None
553
554            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
555                position = self._parse_number() if self._match_text_seq("FROM") else None
556                db = None
557            else:
558                position = None
559                db = None
560
561                if self._match(TokenType.FROM):
562                    db = self._parse_id_var()
563                elif self._match(TokenType.DOT):
564                    db = target_id
565                    target_id = self._parse_id_var()
566
567            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
568
569            like = self._parse_string() if self._match_text_seq("LIKE") else None
570            where = self._parse_where()
571
572            if this == "PROFILE":
573                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
574                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
575                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
576                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
577            else:
578                types, query = None, None
579                offset, limit = self._parse_oldstyle_limit()
580
581            mutex = True if self._match_text_seq("MUTEX") else None
582            mutex = False if self._match_text_seq("STATUS") else mutex
583
584            return self.expression(
585                exp.Show,
586                this=this,
587                target=target_id,
588                full=full,
589                log=log,
590                position=position,
591                db=db,
592                channel=channel,
593                like=like,
594                where=where,
595                types=types,
596                query=query,
597                offset=offset,
598                limit=limit,
599                mutex=mutex,
600                **{"global": global_},  # type: ignore
601            )
602
603        def _parse_oldstyle_limit(
604            self,
605        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
606            limit = None
607            offset = None
608            if self._match_text_seq("LIMIT"):
609                parts = self._parse_csv(self._parse_number)
610                if len(parts) == 1:
611                    limit = parts[0]
612                elif len(parts) == 2:
613                    limit = parts[1]
614                    offset = parts[0]
615
616            return offset, limit
617
618        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
619            this = self._parse_string() or self._parse_unquoted_field()
620            return self.expression(exp.SetItem, this=this, kind=kind)
621
622        def _parse_set_item_names(self) -> exp.Expression:
623            charset = self._parse_string() or self._parse_unquoted_field()
624            if self._match_text_seq("COLLATE"):
625                collate = self._parse_string() or self._parse_unquoted_field()
626            else:
627                collate = None
628
629            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
630
631        def _parse_type(
632            self, parse_interval: bool = True, fallback_to_identifier: bool = False
633        ) -> t.Optional[exp.Expression]:
634            # mysql binary is special and can work anywhere, even in order by operations
635            # it operates like a no paren func
636            if self._match(TokenType.BINARY, advance=False):
637                data_type = self._parse_types(check_func=True, allow_identifiers=False)
638
639                if isinstance(data_type, exp.DataType):
640                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
641
642            return super()._parse_type(
643                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
644            )
645
646        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
647            def concat_exprs(
648                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
649            ) -> exp.Expression:
650                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
651                    concat_exprs = [
652                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
653                    ]
654                    node.set("expressions", concat_exprs)
655                    return node
656                if len(exprs) == 1:
657                    return exprs[0]
658                return self.expression(exp.Concat, expressions=args, safe=True)
659
660            args = self._parse_csv(self._parse_lambda)
661
662            if args:
663                order = args[-1] if isinstance(args[-1], exp.Order) else None
664
665                if order:
666                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
667                    # remove 'expr' from exp.Order and add it back to args
668                    args[-1] = order.this
669                    order.set("this", concat_exprs(order.this, args))
670
671                this = order or concat_exprs(args[0], args)
672            else:
673                this = None
674
675            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
676
677            return self.expression(exp.GroupConcat, this=this, separator=separator)
678
679        def _parse_json_value(self) -> exp.JSONValue:
680            this = self._parse_bitwise()
681            self._match(TokenType.COMMA)
682            path = self._parse_bitwise()
683
684            returning = self._match(TokenType.RETURNING) and self._parse_type()
685
686            return self.expression(
687                exp.JSONValue,
688                this=this,
689                path=self.dialect.to_json_path(path),
690                returning=returning,
691                on_condition=self._parse_on_condition(),
692            )

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.TIME: 'TIME'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.SUPER: 'SUPER'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.ANY: 'ANY'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.MERGE: 'MERGE'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.INT256: 'INT256'>, <TokenType.MONEY: 'MONEY'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.LIKE: 'LIKE'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.SOME: 'SOME'>, <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, <TokenType.ALL: 'ALL'>, <TokenType.INSERT: 'INSERT'>, <TokenType.WINDOW: 'WINDOW'>, <TokenType.BINARY: 'BINARY'>, <TokenType.DATE: 'DATE'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.IPV6: 'IPV6'>, <TokenType.VAR: 'VAR'>, <TokenType.NESTED: 'NESTED'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.RIGHT: 'RIGHT'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.LIST: 'LIST'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.GLOB: 'GLOB'>, <TokenType.CHAR: 'CHAR'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.RING: 'RING'>, <TokenType.XOR: 'XOR'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.UINT: 'UINT'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.IPV4: 'IPV4'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.MULTILINESTRING: 'MULTILINESTRING'>, <TokenType.INDEX: 'INDEX'>, <TokenType.RANGE: 'RANGE'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.OFFSET: 'OFFSET'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.UINT128: 'UINT128'>, <TokenType.TABLE: 'TABLE'>, <TokenType.RLIKE: 'RLIKE'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.UUID: 'UUID'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.NEXT: 'NEXT'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.POINT: 'POINT'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.ILIKE: 'ILIKE'>, <TokenType.JSON: 'JSON'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.DECIMAL256: 'DECIMAL256'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.FIRST: 'FIRST'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.BIT: 'BIT'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.INET: 'INET'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.XML: 'XML'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.POLYGON: 'POLYGON'>, <TokenType.MULTIPOLYGON: 'MULTIPOLYGON'>, <TokenType.NAME: 'NAME'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.LINESTRING: 'LINESTRING'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.UINT256: 'UINT256'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.UNION: 'UNION'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.DATE32: 'DATE32'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.VALUES: 'VALUES'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.INT: 'INT'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.MAP: 'MAP'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.INT128: 'INT128'>, <TokenType.JSONB: 'JSONB'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.FILTER: 'FILTER'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.ENUM: 'ENUM'>, <TokenType.YEAR: 'YEAR'>, <TokenType.TEXT: 'TEXT'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.LEFT: 'LEFT'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.NULL: 'NULL'>, <TokenType.ROW: 'ROW'>}
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.UPDATE: 'UPDATE'>, <TokenType.TIME: 'TIME'>, <TokenType.SUPER: 'SUPER'>, <TokenType.STREAMLIT: 'STREAMLIT'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.ANY: 'ANY'>, <TokenType.TEMPORARY: 'TEMPORARY'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.MERGE: 'MERGE'>, <TokenType.BEGIN: 'BEGIN'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.INT256: 'INT256'>, <TokenType.MONEY: 'MONEY'>, <TokenType.CACHE: 'CACHE'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.VIEW: 'VIEW'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, <TokenType.DETACH: 'DETACH'>, <TokenType.TOP: 'TOP'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.DEFAULT: 'DEFAULT'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.SHOW: 'SHOW'>, <TokenType.SOME: 'SOME'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.PERCENT: 'PERCENT'>, <TokenType.ALL: 'ALL'>, <TokenType.BINARY: 'BINARY'>, <TokenType.PARTITION: 'PARTITION'>, <TokenType.REFRESH: 'REFRESH'>, <TokenType.SETTINGS: 'SETTINGS'>, <TokenType.DIV: 'DIV'>, <TokenType.DATE: 'DATE'>, <TokenType.IS: 'IS'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.IPV6: 'IPV6'>, <TokenType.VAR: 'VAR'>, <TokenType.NESTED: 'NESTED'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.UNIQUE: 'UNIQUE'>, <TokenType.DICTIONARY: 'DICTIONARY'>, <TokenType.STORAGE_INTEGRATION: 'STORAGE_INTEGRATION'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.LIST: 'LIST'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.CHAR: 'CHAR'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.OVERWRITE: 'OVERWRITE'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.RING: 'RING'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.REFERENCES: 'REFERENCES'>, <TokenType.UINT: 'UINT'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.TAG: 'TAG'>, <TokenType.OPERATOR: 'OPERATOR'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.IPV4: 'IPV4'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.SET: 'SET'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.END: 'END'>, <TokenType.ROW: 'ROW'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.MULTILINESTRING: 'MULTILINESTRING'>, <TokenType.RANGE: 'RANGE'>, <TokenType.INDEX: 'INDEX'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.PIVOT: 'PIVOT'>, <TokenType.DESC: 'DESC'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.LOAD: 'LOAD'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.PRAGMA: 'PRAGMA'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.ROLLUP: 'ROLLUP'>, <TokenType.UINT128: 'UINT128'>, <TokenType.TABLE: 'TABLE'>, <TokenType.CONSTRAINT: 'CONSTRAINT'>, <TokenType.KILL: 'KILL'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.UUID: 'UUID'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.NEXT: 'NEXT'>, <TokenType.COMMIT: 'COMMIT'>, <TokenType.VOLATILE: 'VOLATILE'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.POINT: 'POINT'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.SINK: 'SINK'>, <TokenType.JSON: 'JSON'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.DECIMAL256: 'DECIMAL256'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.COPY: 'COPY'>, <TokenType.FIRST: 'FIRST'>, <TokenType.ANTI: 'ANTI'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.FUNCTION: 'FUNCTION'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.BIT: 'BIT'>, <TokenType.COLUMN: 'COLUMN'>, <TokenType.DESCRIBE: 'DESCRIBE'>, <TokenType.FINAL: 'FINAL'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.ASC: 'ASC'>, <TokenType.INET: 'INET'>, <TokenType.DELETE: 'DELETE'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.WAREHOUSE: 'WAREHOUSE'>, <TokenType.CUBE: 'CUBE'>, <TokenType.RENAME: 'RENAME'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.XML: 'XML'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.POLYGON: 'POLYGON'>, <TokenType.ORDINALITY: 'ORDINALITY'>, <TokenType.MULTIPOLYGON: 'MULTIPOLYGON'>, <TokenType.RECURSIVE: 'RECURSIVE'>, <TokenType.TRUE: 'TRUE'>, <TokenType.NAME: 'NAME'>, <TokenType.FALSE: 'FALSE'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.SEMI: 'SEMI'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.OVERLAPS: 'OVERLAPS'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.UNPIVOT: 'UNPIVOT'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.LINESTRING: 'LINESTRING'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.UINT256: 'UINT256'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.ROWS: 'ROWS'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, <TokenType.ATTACH: 'ATTACH'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.DATE32: 'DATE32'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.SOURCE: 'SOURCE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.CASE: 'CASE'>, <TokenType.COMMENT: 'COMMENT'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.INT: 'INT'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.MAP: 'MAP'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.INT128: 'INT128'>, <TokenType.JSONB: 'JSONB'>, <TokenType.KEEP: 'KEEP'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.FILTER: 'FILTER'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.ENUM: 'ENUM'>, <TokenType.MODEL: 'MODEL'>, <TokenType.YEAR: 'YEAR'>, <TokenType.ESCAPE: 'ESCAPE'>, <TokenType.TEXT: 'TEXT'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.PROCEDURE: 'PROCEDURE'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.NULL: 'NULL'>, <TokenType.DATETIME: 'DATETIME'>}
RANGE_PARSERS = {<TokenType.AT_GT: 'AT_GT'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.BETWEEN: 'BETWEEN'>: <function Parser.<lambda>>, <TokenType.GLOB: 'GLOB'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.ILIKE: 'ILIKE'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.IN: 'IN'>: <function Parser.<lambda>>, <TokenType.IRLIKE: 'IRLIKE'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.IS: 'IS'>: <function Parser.<lambda>>, <TokenType.LIKE: 'LIKE'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.LT_AT: 'LT_AT'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.OVERLAPS: 'OVERLAPS'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.RLIKE: 'RLIKE'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.SIMILAR_TO: 'SIMILAR_TO'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.FOR: 'FOR'>: <function Parser.<lambda>>, <TokenType.MEMBER_OF: 'MEMBER_OF'>: <function MySQL.Parser.<lambda>>}
FUNCTIONS = {'ABS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Abs'>>, 'ADD_MONTHS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.AddMonths'>>, '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'>>, 'CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Contains'>>, 'CONVERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Convert'>>, 'CONVERT_TIMEZONE': <function build_convert_timezone>, '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 'sqlglot.expressions.DatetimeAdd'>>, 'DATETIME_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeDiff'>>, 'DATETIME_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeSub'>>, 'DATETIME_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeTrunc'>>, 'DAY': <function MySQL.Parser.<lambda>>, 'DAY_OF_MONTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfMonth'>>, 'DAYOFMONTH': <function MySQL.Parser.<lambda>>, 'DAY_OF_WEEK': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfWeek'>>, 'DAYOFWEEK': <function MySQL.Parser.<lambda>>, 'DAYOFWEEK_ISO': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfWeekIso'>>, 'ISODOW': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfWeekIso'>>, 'DAY_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfYear'>>, 'DAYOFYEAR': <function MySQL.Parser.<lambda>>, 'DECODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Decode'>>, 'DI_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DiToDate'>>, 'ENCODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Encode'>>, 'EXISTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Exists'>>, 'EXP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Exp'>>, 'EXPLODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Explode'>>, 'EXPLODE_OUTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ExplodeOuter'>>, 'EXPLODING_GENERATE_SERIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ExplodingGenerateSeries'>>, 'EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Extract'>>, 'FEATURES_AT_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FeaturesAtTime'>>, 'FIRST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.First'>>, 'FIRST_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FirstValue'>>, 'FLATTEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Flatten'>>, 'FLOOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Floor'>>, 'FROM_BASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromBase'>>, 'FROM_BASE64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromBase64'>>, 'FROM_ISO8601_TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromISO8601Timestamp'>>, 'GAP_FILL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GapFill'>>, 'GENERATE_DATE_ARRAY': <function Parser.<lambda>>, 'GENERATE_SERIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateSeries'>>, 'GENERATE_TIMESTAMP_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateTimestampArray'>>, 'GREATEST': 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Func.from_arg_list of <class 'sqlglot.expressions.LastValue'>>, 'LEAD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lead'>>, 'LEAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Least'>>, 'LEFT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Left'>>, 'LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Length'>>, 'LEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Length'>>, 'LEVENSHTEIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Levenshtein'>>, 'LIST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.List'>>, 'LN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ln'>>, 'LOG': <function build_logarithm>, 'LOGICAL_AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'BOOL_AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'BOOLAND_AGG': <bound method Func.from_arg_list of 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method Func.from_arg_list of <class 'sqlglot.expressions.MatchAgainst'>>, 'MAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Max'>>, 'MEDIAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Median'>>, 'MIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Min'>>, 'MONTH': <function MySQL.Parser.<lambda>>, 'MONTHS_BETWEEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MonthsBetween'>>, 'NEXT_VALUE_FOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NextValueFor'>>, 'NORMALIZE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Normalize'>>, 'NTH_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NthValue'>>, 'NULLIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Nullif'>>, 'NUMBER_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NumberToStr'>>, 'NVL2': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Nvl2'>>, 'OBJECT_INSERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ObjectInsert'>>, 'OPEN_J_S_O_N': <bound method Func.from_arg_list of <class 'sqlglot.expressions.OpenJSON'>>, 'OVERLAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Overlay'>>, 'PAD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pad'>>, 'PARAMETERIZED_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParameterizedAgg'>>, 'PARSE_JSON': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParseJSON'>>, 'JSON_PARSE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParseJSON'>>, 'PERCENTILE_CONT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PercentileCont'>>, 'PERCENTILE_DISC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PercentileDisc'>>, 'POSEXPLODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Posexplode'>>, 'POSEXPLODE_OUTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PosexplodeOuter'>>, 'POWER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pow'>>, 'POW': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pow'>>, 'PREDICT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Predict'>>, 'QUANTILE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Quantile'>>, 'QUARTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Quarter'>>, 'RAND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Rand'>>, 'RANDOM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Rand'>>, 'RANDN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Randn'>>, 'RANGE_N': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RangeN'>>, 'READ_CSV': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ReadCSV'>>, 'REDUCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Reduce'>>, 'REGEXP_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpExtract'>>, 'REGEXP_EXTRACT_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpExtractAll'>>, 'REGEXP_I_LIKE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpILike'>>, 'REGEXP_LIKE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpLike'>>, 'REGEXP_REPLACE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpReplace'>>, 'REGEXP_SPLIT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpSplit'>>, 'REPEAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Repeat'>>, 'RIGHT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Right'>>, 'ROUND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Round'>>, 'ROW_NUMBER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RowNumber'>>, 'SHA': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SHA'>>, 'SHA1': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SHA'>>, 'SHA2': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SHA2'>>, 'SAFE_DIVIDE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SafeDivide'>>, 'SIGN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sign'>>, 'SIGNUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sign'>>, 'SORT_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SortArray'>>, 'SPLIT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Split'>>, 'SPLIT_PART': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SplitPart'>>, 'SQRT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sqrt'>>, 'STANDARD_HASH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StandardHash'>>, 'STAR_MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StarMap'>>, 'STARTS_WITH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StartsWith'>>, 'STARTSWITH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StartsWith'>>, 'STDDEV': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stddev'>>, 'STDEV': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stddev'>>, 'STDDEV_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StddevPop'>>, 'STDDEV_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StddevSamp'>>, 'STR_POSITION': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrPosition'>>, 'STR_TO_DATE': <function _str_to_date>, 'STR_TO_MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrToMap'>>, 'STR_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrToTime'>>, 'STR_TO_UNIX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrToUnix'>>, 'STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.String'>>, 'STRING_TO_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StringToArray'>>, 'SPLIT_BY_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StringToArray'>>, 'STRUCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Struct'>>, 'STRUCT_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StructExtract'>>, 'STUFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stuff'>>, 'INSERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stuff'>>, 'SUBSTRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Substring'>>, 'SUBSTR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Substring'>>, 'SUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sum'>>, 'TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Time'>>, 'TIME_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeAdd'>>, 'TIME_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeDiff'>>, 'TIME_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'TIMEFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'TIME_STR_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToDate'>>, 'TIME_STR_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToTime'>>, 'TIME_STR_TO_UNIX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToUnix'>>, 'TIME_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeSub'>>, 'TIME_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeToStr'>>, 'TIME_TO_TIME_STR': <function Parser.<lambda>>, 'TIME_TO_UNIX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeToUnix'>>, 'TIME_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeTrunc'>>, 'TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Timestamp'>>, 'TIMESTAMP_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampAdd'>>, 'TIMESTAMPDIFF': <function build_date_delta.<locals>._builder>, 'TIMESTAMP_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampDiff'>>, 'TIMESTAMP_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampFromParts'>>, 'TIMESTAMPFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampFromParts'>>, 'TIMESTAMP_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampSub'>>, 'TIMESTAMP_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampTrunc'>>, 'TO_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToArray'>>, 'TO_BASE64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToBase64'>>, 'TO_CHAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToChar'>>, 'TO_DAYS': <function MySQL.Parser.<lambda>>, 'TO_DOUBLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToDouble'>>, 'TO_MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToMap'>>, 'TO_NUMBER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToNumber'>>, 'TRANSFORM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Transform'>>, 'TRIM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Trim'>>, 'TRY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Try'>>, 'TRY_CAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TryCast'>>, 'TS_OR_DI_TO_DI': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDiToDi'>>, 'TS_OR_DS_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsAdd'>>, 'TS_OR_DS_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsDiff'>>, 'TS_OR_DS_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToDate'>>, 'TS_OR_DS_TO_DATE_STR': <function Parser.<lambda>>, 'TS_OR_DS_TO_DATETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToDatetime'>>, 'TS_OR_DS_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToTime'>>, 'TS_OR_DS_TO_TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToTimestamp'>>, 'UNHEX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Unhex'>>, 'UNIX_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixDate'>>, 'UNIX_SECONDS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixSeconds'>>, 'UNIX_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToStr'>>, 'UNIX_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToTime'>>, 'UNIX_TO_TIME_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToTimeStr'>>, 'UNNEST': <function Parser.<lambda>>, 'UPPER': <function build_upper>, 'UCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Upper'>>, 'UUID': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Uuid'>>, 'GEN_RANDOM_UUID': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Uuid'>>, 'GENERATE_UUID': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Uuid'>>, 'UUID_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Uuid'>>, 'VAR_MAP': <function build_var_map>, 'VARIANCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VAR_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'VAR_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'WEEK': <function MySQL.Parser.<lambda>>, 'WEEK_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.WeekOfYear'>>, 'WEEKOFYEAR': <function MySQL.Parser.<lambda>>, '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>, 'CHAR_LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Length'>>, 'CHARACTER_LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Length'>>, 'CONVERT_TZ': <function MySQL.Parser.<lambda>>, 'DATE_FORMAT': <function build_formatted_time.<locals>._builder>, 'FORMAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NumberToStr'>>, 'FROM_UNIXTIME': <function build_formatted_time.<locals>._builder>, 'ISNULL': <function isnull_to_is_null>, '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>>, 'WATERMARK': <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>>, 'AS': <function Parser.<lambda>>, 'ALTER': <function Parser.<lambda>>, 'CLUSTER BY': <function Parser.<lambda>>, 'DELETE': <function Parser.<lambda>>, 'DROP': <function Parser.<lambda>>, 'RENAME': <function Parser.<lambda>>, 'SET': <function Parser.<lambda>>, 'SWAP': <function Parser.<lambda>>, 'MODIFY': <function MySQL.Parser.<lambda>>}
SCHEMA_UNNAMED_CONSTRAINTS = {'EXCLUDE', 'FULLTEXT', 'LIKE', 'KEY', 'PRIMARY KEY', 'FOREIGN KEY', 'CHECK', 'PERIOD', 'SPATIAL', 'WATERMARK', 'INDEX', 'UNIQUE'}
PROFILE_TYPES: Dict[str, Sequence[Union[Sequence[str], str]]] = {'ALL': (), 'CPU': (), 'IPC': (), 'MEMORY': (), 'SOURCE': (), 'SWAPS': (), 'BLOCK': ('IO',), 'CONTEXT': ('SWITCHES',), 'PAGE': ('FAULTS',)}
TYPE_TOKENS = {<TokenType.UUID: 'UUID'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.TIME: 'TIME'>, <TokenType.SUPER: 'SUPER'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.POINT: 'POINT'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.INT256: 'INT256'>, <TokenType.JSON: 'JSON'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.MONEY: 'MONEY'>, <TokenType.DECIMAL256: 'DECIMAL256'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.BIT: 'BIT'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.INET: 'INET'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.XML: 'XML'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.POLYGON: 'POLYGON'>, <TokenType.BINARY: 'BINARY'>, <TokenType.MULTIPOLYGON: 'MULTIPOLYGON'>, <TokenType.NAME: 'NAME'>, <TokenType.DATE: 'DATE'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.IPV6: 'IPV6'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.LINESTRING: 'LINESTRING'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.NESTED: 'NESTED'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.UINT256: 'UINT256'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.UNION: 'UNION'>, <TokenType.LIST: 'LIST'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.DATE32: 'DATE32'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.CHAR: 'CHAR'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.RING: 'RING'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.INT: 'INT'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.MAP: 'MAP'>, <TokenType.UINT: 'UINT'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.INT128: 'INT128'>, <TokenType.IPV4: 'IPV4'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.JSONB: 'JSONB'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.SET: 'SET'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.MULTILINESTRING: 'MULTILINESTRING'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.RANGE: 'RANGE'>, <TokenType.ENUM: 'ENUM'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.YEAR: 'YEAR'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.TEXT: 'TEXT'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.UINT128: 'UINT128'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.NULL: 'NULL'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>}
ENUM_TYPE_TOKENS = {<TokenType.ENUM16: 'ENUM16'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.ENUM: 'ENUM'>, <TokenType.SET: 'SET'>}
OPERATION_MODIFIERS = {'SQL_SMALL_RESULT', 'STRAIGHT_JOIN', 'SQL_BIG_RESULT', 'SQL_CALC_FOUND_ROWS', 'HIGH_PRIORITY', 'SQL_BUFFER_RESULT', 'SQL_NO_CACHE'}
LOG_DEFAULTS_TO_LN = True
STRING_ALIASES = True
VALUES_FOLLOWED_BY_PAREN = False
SUPPORTS_PARTITION_SELECTION = True
SHOW_TRIE: Dict = {'BINARY': {'LOGS': {0: True}}, 'MASTER': {'LOGS': {0: True}, 'STATUS': {0: True}}, 'BINLOG': {'EVENTS': {0: True}}, 'CHARACTER': {'SET': {0: True}}, 'CHARSET': {0: True}, 'COLLATION': {0: True}, 'FULL': {'COLUMNS': {0: True}, 'PROCESSLIST': {0: True}, 'TABLES': {0: True}}, 'COLUMNS': {0: True}, 'CREATE': {'DATABASE': {0: True}, 'EVENT': {0: True}, 'FUNCTION': {0: True}, 'PROCEDURE': {0: True}, 'TABLE': {0: True}, 'TRIGGER': {0: True}, 'VIEW': {0: True}}, 'DATABASES': {0: True}, 'SCHEMAS': {0: True}, 'ENGINE': {0: True}, 'STORAGE': {'ENGINES': {0: True}}, 'ENGINES': {0: True}, 'ERRORS': {0: True}, 'EVENTS': {0: True}, 'FUNCTION': {'CODE': {0: True}, 'STATUS': {0: True}}, 'GRANTS': {0: True}, 'INDEX': {0: True}, 'OPEN': {'TABLES': {0: True}}, 'PLUGINS': {0: True}, 'PROCEDURE': {'CODE': {0: True}, 'STATUS': {0: True}}, 'PRIVILEGES': {0: True}, 'PROCESSLIST': {0: True}, 'PROFILE': {0: True}, 'PROFILES': {0: True}, 'RELAYLOG': {'EVENTS': {0: True}}, 'REPLICAS': {0: True}, 'SLAVE': {'HOSTS': {0: True}, 'STATUS': {0: True}}, 'REPLICA': {'STATUS': {0: True}}, 'GLOBAL': {'STATUS': {0: True}, 'VARIABLES': {0: True}}, 'SESSION': {'STATUS': {0: True}, 'VARIABLES': {0: True}}, 'STATUS': {0: True}, 'TABLE': {'STATUS': {0: True}}, 'TABLES': {0: True}, 'TRIGGERS': {0: True}, 'VARIABLES': {0: True}, 'WARNINGS': {0: True}}
SET_TRIE: Dict = {'GLOBAL': {0: True}, 'LOCAL': {0: True}, 'SESSION': {0: True}, 'TRANSACTION': {0: True}, 'PERSIST': {0: True}, 'PERSIST_ONLY': {0: True}, 'CHARACTER': {'SET': {0: True}}, 'CHARSET': {0: True}, 'NAMES': {0: True}}
Inherited Members
sqlglot.parser.Parser
Parser
NO_PAREN_FUNCTIONS
STRUCT_TYPE_TOKENS
NESTED_TYPE_TOKENS
AGGREGATE_TYPE_TOKENS
SIGNED_TO_UNSIGNED_TYPE_TOKEN
SUBQUERY_PREDICATES
RESERVED_TOKENS
DB_CREATABLES
CREATABLES
ALTERABLES
ID_VAR_TOKENS
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
PROCEDURE_OPTIONS
EXECUTE_AS_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
DESCRIBE_STYLES
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
WRAPPED_TRANSFORM_COLUMN_CONSTRAINT
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):
 694    class Generator(generator.Generator):
 695        INTERVAL_ALLOWS_PLURAL_FORM = False
 696        LOCKING_READS_SUPPORTED = True
 697        NULL_ORDERING_SUPPORTED = None
 698        JOIN_HINTS = False
 699        TABLE_HINTS = True
 700        DUPLICATE_KEY_UPDATE_WITH_SET = False
 701        QUERY_HINT_SEP = " "
 702        VALUES_AS_TABLE = False
 703        NVL2_SUPPORTED = False
 704        LAST_DAY_SUPPORTS_DATE_PART = False
 705        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
 706        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
 707        JSON_KEY_VALUE_PAIR_SEP = ","
 708        SUPPORTS_TO_NUMBER = False
 709        PARSE_JSON_NAME: t.Optional[str] = None
 710        PAD_FILL_PATTERN_IS_REQUIRED = True
 711        WRAP_DERIVED_VALUES = False
 712        VARCHAR_REQUIRES_SIZE = True
 713        SUPPORTS_MEDIAN = False
 714
 715        TRANSFORMS = {
 716            **generator.Generator.TRANSFORMS,
 717            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
 718            exp.CurrentDate: no_paren_current_date_sql,
 719            exp.DateDiff: _remove_ts_or_ds_to_date(
 720                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
 721            ),
 722            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
 723            exp.DateStrToDate: datestrtodate_sql,
 724            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
 725            exp.DateTrunc: _date_trunc_sql,
 726            exp.Day: _remove_ts_or_ds_to_date(),
 727            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
 728            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
 729            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
 730            exp.GroupConcat: lambda self,
 731            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
 732            exp.ILike: no_ilike_sql,
 733            exp.JSONExtractScalar: arrow_json_extract_sql,
 734            exp.Length: rename_func("CHAR_LENGTH"),
 735            exp.Max: max_or_greatest,
 736            exp.Min: min_or_least,
 737            exp.Month: _remove_ts_or_ds_to_date(),
 738            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
 739            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
 740            exp.NumberToStr: rename_func("FORMAT"),
 741            exp.Pivot: no_pivot_sql,
 742            exp.Select: transforms.preprocess(
 743                [
 744                    transforms.eliminate_distinct_on,
 745                    transforms.eliminate_semi_and_anti_joins,
 746                    transforms.eliminate_qualify,
 747                    transforms.eliminate_full_outer_join,
 748                    transforms.unnest_generate_date_array_using_recursive_cte,
 749                ]
 750            ),
 751            exp.StrPosition: strposition_to_locate_sql,
 752            exp.StrToDate: _str_to_date_sql,
 753            exp.StrToTime: _str_to_date_sql,
 754            exp.Stuff: rename_func("INSERT"),
 755            exp.TableSample: no_tablesample_sql,
 756            exp.TimeFromParts: rename_func("MAKETIME"),
 757            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
 758            exp.TimestampDiff: lambda self, e: self.func(
 759                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
 760            ),
 761            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
 762            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
 763            exp.TimeStrToTime: lambda self, e: timestrtotime_sql(
 764                self,
 765                e,
 766                include_precision=not e.args.get("zone"),
 767            ),
 768            exp.TimeToStr: _remove_ts_or_ds_to_date(
 769                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
 770            ),
 771            exp.Trim: trim_sql,
 772            exp.TryCast: no_trycast_sql,
 773            exp.TsOrDsAdd: date_add_sql("ADD"),
 774            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
 775            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
 776            exp.UnixToTime: _unix_to_time_sql,
 777            exp.Week: _remove_ts_or_ds_to_date(),
 778            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
 779            exp.Year: _remove_ts_or_ds_to_date(),
 780        }
 781
 782        UNSIGNED_TYPE_MAPPING = {
 783            exp.DataType.Type.UBIGINT: "BIGINT",
 784            exp.DataType.Type.UINT: "INT",
 785            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
 786            exp.DataType.Type.USMALLINT: "SMALLINT",
 787            exp.DataType.Type.UTINYINT: "TINYINT",
 788            exp.DataType.Type.UDECIMAL: "DECIMAL",
 789        }
 790
 791        TIMESTAMP_TYPE_MAPPING = {
 792            exp.DataType.Type.TIMESTAMP: "DATETIME",
 793            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
 794            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
 795        }
 796
 797        TYPE_MAPPING = {
 798            **generator.Generator.TYPE_MAPPING,
 799            **UNSIGNED_TYPE_MAPPING,
 800            **TIMESTAMP_TYPE_MAPPING,
 801        }
 802
 803        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
 804        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
 805        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
 806        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
 807        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
 808        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
 809
 810        PROPERTIES_LOCATION = {
 811            **generator.Generator.PROPERTIES_LOCATION,
 812            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
 813            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
 814        }
 815
 816        LIMIT_FETCH = "LIMIT"
 817
 818        LIMIT_ONLY_LITERALS = True
 819
 820        CHAR_CAST_MAPPING = dict.fromkeys(
 821            (
 822                exp.DataType.Type.LONGTEXT,
 823                exp.DataType.Type.LONGBLOB,
 824                exp.DataType.Type.MEDIUMBLOB,
 825                exp.DataType.Type.MEDIUMTEXT,
 826                exp.DataType.Type.TEXT,
 827                exp.DataType.Type.TINYBLOB,
 828                exp.DataType.Type.TINYTEXT,
 829                exp.DataType.Type.VARCHAR,
 830            ),
 831            "CHAR",
 832        )
 833        SIGNED_CAST_MAPPING = dict.fromkeys(
 834            (
 835                exp.DataType.Type.BIGINT,
 836                exp.DataType.Type.BOOLEAN,
 837                exp.DataType.Type.INT,
 838                exp.DataType.Type.SMALLINT,
 839                exp.DataType.Type.TINYINT,
 840                exp.DataType.Type.MEDIUMINT,
 841            ),
 842            "SIGNED",
 843        )
 844
 845        # MySQL doesn't support many datatypes in cast.
 846        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
 847        CAST_MAPPING = {
 848            **CHAR_CAST_MAPPING,
 849            **SIGNED_CAST_MAPPING,
 850            exp.DataType.Type.UBIGINT: "UNSIGNED",
 851        }
 852
 853        TIMESTAMP_FUNC_TYPES = {
 854            exp.DataType.Type.TIMESTAMPTZ,
 855            exp.DataType.Type.TIMESTAMPLTZ,
 856        }
 857
 858        # https://dev.mysql.com/doc/refman/8.0/en/keywords.html
 859        RESERVED_KEYWORDS = {
 860            "accessible",
 861            "add",
 862            "all",
 863            "alter",
 864            "analyze",
 865            "and",
 866            "as",
 867            "asc",
 868            "asensitive",
 869            "before",
 870            "between",
 871            "bigint",
 872            "binary",
 873            "blob",
 874            "both",
 875            "by",
 876            "call",
 877            "cascade",
 878            "case",
 879            "change",
 880            "char",
 881            "character",
 882            "check",
 883            "collate",
 884            "column",
 885            "condition",
 886            "constraint",
 887            "continue",
 888            "convert",
 889            "create",
 890            "cross",
 891            "cube",
 892            "cume_dist",
 893            "current_date",
 894            "current_time",
 895            "current_timestamp",
 896            "current_user",
 897            "cursor",
 898            "database",
 899            "databases",
 900            "day_hour",
 901            "day_microsecond",
 902            "day_minute",
 903            "day_second",
 904            "dec",
 905            "decimal",
 906            "declare",
 907            "default",
 908            "delayed",
 909            "delete",
 910            "dense_rank",
 911            "desc",
 912            "describe",
 913            "deterministic",
 914            "distinct",
 915            "distinctrow",
 916            "div",
 917            "double",
 918            "drop",
 919            "dual",
 920            "each",
 921            "else",
 922            "elseif",
 923            "empty",
 924            "enclosed",
 925            "escaped",
 926            "except",
 927            "exists",
 928            "exit",
 929            "explain",
 930            "false",
 931            "fetch",
 932            "first_value",
 933            "float",
 934            "float4",
 935            "float8",
 936            "for",
 937            "force",
 938            "foreign",
 939            "from",
 940            "fulltext",
 941            "function",
 942            "generated",
 943            "get",
 944            "grant",
 945            "group",
 946            "grouping",
 947            "groups",
 948            "having",
 949            "high_priority",
 950            "hour_microsecond",
 951            "hour_minute",
 952            "hour_second",
 953            "if",
 954            "ignore",
 955            "in",
 956            "index",
 957            "infile",
 958            "inner",
 959            "inout",
 960            "insensitive",
 961            "insert",
 962            "int",
 963            "int1",
 964            "int2",
 965            "int3",
 966            "int4",
 967            "int8",
 968            "integer",
 969            "intersect",
 970            "interval",
 971            "into",
 972            "io_after_gtids",
 973            "io_before_gtids",
 974            "is",
 975            "iterate",
 976            "join",
 977            "json_table",
 978            "key",
 979            "keys",
 980            "kill",
 981            "lag",
 982            "last_value",
 983            "lateral",
 984            "lead",
 985            "leading",
 986            "leave",
 987            "left",
 988            "like",
 989            "limit",
 990            "linear",
 991            "lines",
 992            "load",
 993            "localtime",
 994            "localtimestamp",
 995            "lock",
 996            "long",
 997            "longblob",
 998            "longtext",
 999            "loop",
1000            "low_priority",
1001            "master_bind",
1002            "master_ssl_verify_server_cert",
1003            "match",
1004            "maxvalue",
1005            "mediumblob",
1006            "mediumint",
1007            "mediumtext",
1008            "middleint",
1009            "minute_microsecond",
1010            "minute_second",
1011            "mod",
1012            "modifies",
1013            "natural",
1014            "not",
1015            "no_write_to_binlog",
1016            "nth_value",
1017            "ntile",
1018            "null",
1019            "numeric",
1020            "of",
1021            "on",
1022            "optimize",
1023            "optimizer_costs",
1024            "option",
1025            "optionally",
1026            "or",
1027            "order",
1028            "out",
1029            "outer",
1030            "outfile",
1031            "over",
1032            "partition",
1033            "percent_rank",
1034            "precision",
1035            "primary",
1036            "procedure",
1037            "purge",
1038            "range",
1039            "rank",
1040            "read",
1041            "reads",
1042            "read_write",
1043            "real",
1044            "recursive",
1045            "references",
1046            "regexp",
1047            "release",
1048            "rename",
1049            "repeat",
1050            "replace",
1051            "require",
1052            "resignal",
1053            "restrict",
1054            "return",
1055            "revoke",
1056            "right",
1057            "rlike",
1058            "row",
1059            "rows",
1060            "row_number",
1061            "schema",
1062            "schemas",
1063            "second_microsecond",
1064            "select",
1065            "sensitive",
1066            "separator",
1067            "set",
1068            "show",
1069            "signal",
1070            "smallint",
1071            "spatial",
1072            "specific",
1073            "sql",
1074            "sqlexception",
1075            "sqlstate",
1076            "sqlwarning",
1077            "sql_big_result",
1078            "sql_calc_found_rows",
1079            "sql_small_result",
1080            "ssl",
1081            "starting",
1082            "stored",
1083            "straight_join",
1084            "system",
1085            "table",
1086            "terminated",
1087            "then",
1088            "tinyblob",
1089            "tinyint",
1090            "tinytext",
1091            "to",
1092            "trailing",
1093            "trigger",
1094            "true",
1095            "undo",
1096            "union",
1097            "unique",
1098            "unlock",
1099            "unsigned",
1100            "update",
1101            "usage",
1102            "use",
1103            "using",
1104            "utc_date",
1105            "utc_time",
1106            "utc_timestamp",
1107            "values",
1108            "varbinary",
1109            "varchar",
1110            "varcharacter",
1111            "varying",
1112            "virtual",
1113            "when",
1114            "where",
1115            "while",
1116            "window",
1117            "with",
1118            "write",
1119            "xor",
1120            "year_month",
1121            "zerofill",
1122        }
1123
1124        def array_sql(self, expression: exp.Array) -> str:
1125            self.unsupported("Arrays are not supported by MySQL")
1126            return self.function_fallback_sql(expression)
1127
1128        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1129            self.unsupported("Array operations are not supported by MySQL")
1130            return self.function_fallback_sql(expression)
1131
1132        def dpipe_sql(self, expression: exp.DPipe) -> str:
1133            return self.func("CONCAT", *expression.flatten())
1134
1135        def extract_sql(self, expression: exp.Extract) -> str:
1136            unit = expression.name
1137            if unit and unit.lower() == "epoch":
1138                return self.func("UNIX_TIMESTAMP", expression.expression)
1139
1140            return super().extract_sql(expression)
1141
1142        def datatype_sql(self, expression: exp.DataType) -> str:
1143            if (
1144                self.VARCHAR_REQUIRES_SIZE
1145                and expression.is_type(exp.DataType.Type.VARCHAR)
1146                and not expression.expressions
1147            ):
1148                # `VARCHAR` must always have a size - if it doesn't, we always generate `TEXT`
1149                return "TEXT"
1150
1151            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1152            result = super().datatype_sql(expression)
1153            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1154                result = f"{result} UNSIGNED"
1155
1156            return result
1157
1158        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1159            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
1160
1161        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1162            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1163                return self.func("TIMESTAMP", expression.this)
1164
1165            to = self.CAST_MAPPING.get(expression.to.this)
1166
1167            if to:
1168                expression.to.set("this", to)
1169            return super().cast_sql(expression)
1170
1171        def show_sql(self, expression: exp.Show) -> str:
1172            this = f" {expression.name}"
1173            full = " FULL" if expression.args.get("full") else ""
1174            global_ = " GLOBAL" if expression.args.get("global") else ""
1175
1176            target = self.sql(expression, "target")
1177            target = f" {target}" if target else ""
1178            if expression.name in ("COLUMNS", "INDEX"):
1179                target = f" FROM{target}"
1180            elif expression.name == "GRANTS":
1181                target = f" FOR{target}"
1182
1183            db = self._prefixed_sql("FROM", expression, "db")
1184
1185            like = self._prefixed_sql("LIKE", expression, "like")
1186            where = self.sql(expression, "where")
1187
1188            types = self.expressions(expression, key="types")
1189            types = f" {types}" if types else types
1190            query = self._prefixed_sql("FOR QUERY", expression, "query")
1191
1192            if expression.name == "PROFILE":
1193                offset = self._prefixed_sql("OFFSET", expression, "offset")
1194                limit = self._prefixed_sql("LIMIT", expression, "limit")
1195            else:
1196                offset = ""
1197                limit = self._oldstyle_limit_sql(expression)
1198
1199            log = self._prefixed_sql("IN", expression, "log")
1200            position = self._prefixed_sql("FROM", expression, "position")
1201
1202            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1203
1204            if expression.name == "ENGINE":
1205                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1206            else:
1207                mutex_or_status = ""
1208
1209            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
1210
1211        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1212            dtype = self.sql(expression, "dtype")
1213            if not dtype:
1214                return super().altercolumn_sql(expression)
1215
1216            this = self.sql(expression, "this")
1217            return f"MODIFY COLUMN {this} {dtype}"
1218
1219        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
1220            sql = self.sql(expression, arg)
1221            return f" {prefix} {sql}" if sql else ""
1222
1223        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
1224            limit = self.sql(expression, "limit")
1225            offset = self.sql(expression, "offset")
1226            if limit:
1227                limit_offset = f"{offset}, {limit}" if offset else limit
1228                return f" LIMIT {limit_offset}"
1229            return ""
1230
1231        def chr_sql(self, expression: exp.Chr) -> str:
1232            this = self.expressions(sqls=[expression.this] + expression.expressions)
1233            charset = expression.args.get("charset")
1234            using = f" USING {self.sql(charset)}" if charset else ""
1235            return f"CHAR({this}{using})"
1236
1237        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1238            unit = expression.args.get("unit")
1239
1240            # Pick an old-enough date to avoid negative timestamp diffs
1241            start_ts = "'0000-01-01 00:00:00'"
1242
1243            # Source: https://stackoverflow.com/a/32955740
1244            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1245            interval = exp.Interval(this=timestamp_diff, unit=unit)
1246            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1247
1248            return self.sql(dateadd)
1249
1250        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1251            from_tz = expression.args.get("source_tz")
1252            to_tz = expression.args.get("target_tz")
1253            dt = expression.args.get("timestamp")
1254
1255            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
1256
1257        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1258            self.unsupported("AT TIME ZONE is not supported by MySQL")
1259            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
SUPPORTS_MEDIAN = False
TRANSFORMS = {<class 'sqlglot.expressions.JSONPathFilter'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathKey'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathRecursive'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathRoot'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathScript'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathSelector'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathSlice'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathSubscript'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathUnion'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathWildcard'>: <function <lambda>>, <class 'sqlglot.expressions.AllowedValuesProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.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.Int64'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.LanguageProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.LocationProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.LogProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.MaterializedProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NonClusteredColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NoPrimaryIndexProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NotForReplicationColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnCommitProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnUpdateColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.Operator'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OutputModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.PathColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.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.SwapTable'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TemporaryProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.Tags'>: <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.WithProcedureOptions'>: <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.Length'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.Max'>: <function max_or_greatest>, <class 'sqlglot.expressions.Min'>: <function min_or_least>, <class 'sqlglot.expressions.Month'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.NullSafeEQ'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.NullSafeNEQ'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.NumberToStr'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.Pivot'>: <function no_pivot_sql>, <class 'sqlglot.expressions.Select'>: <function preprocess.<locals>._to_sql>, <class 'sqlglot.expressions.StrPosition'>: <function 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.EncodeProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <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.IncludeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.InputModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.IsolatedLoadingProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.JournalProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.LanguageProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LikeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LocationProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LockProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LockingProperty'>: <Location.POST_ALIAS: 'POST_ALIAS'>, <class 'sqlglot.expressions.LogProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.MaterializedProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.MergeBlockRatioProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.NoPrimaryIndexProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.OnProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.OnCommitProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.Order'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.OutputModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.PartitionedByProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.PartitionedOfProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.PrimaryKey'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Property'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.RemoteWithConnectionModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ReturnsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatDelimitedProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatSerdeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SampleProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SchemaCommentProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SecureProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.SecurityProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SerdeProperties'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Set'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SettingsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SetProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.SetConfigProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SharingProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.SequenceProperties'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.SortKeyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SqlReadWriteProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SqlSecurityProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.StabilityProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.StreamingTableProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.StrictProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Tags'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.TemporaryProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.ToTableProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.TransientProperty'>: <Location.UNSUPPORTED: 'UNSUPPORTED'>, <class 'sqlglot.expressions.TransformModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.MergeTreeTTL'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.UnloggedProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.ViewAttributeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.VolatileProperty'>: <Location.UNSUPPORTED: 'UNSUPPORTED'>, <class 'sqlglot.expressions.WithDataProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.WithJournalTableProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.WithProcedureOptions'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.WithSchemaBindingProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.WithSystemVersioningProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>}
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.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>}
RESERVED_KEYWORDS = {'float8', 'current_date', 'modifies', 'reads', 'continue', 'hour_minute', 'while', 'repeat', 'cume_dist', 'null', 'low_priority', 'get', 'master_ssl_verify_server_cert', 'ntile', 'utc_date', 'desc', 'check', 'spatial', 'replace', 'on', 'character', 'row', 'rank', 'usage', 'varying', 'starting', 'leading', 'as', 'grant', 'mod', 'virtual', 'values', 'insensitive', 'restrict', 'unsigned', 'delete', 'cube', 'key', 'int1', 'using', 'current_time', 'utc_timestamp', 'iterate', 'by', 'dense_rank', 'partition', 'fetch', 'true', 'or', 'master_bind', 'sql_calc_found_rows', 'zerofill', 'revoke', 'specific', 'ignore', 'loop', 'day_second', 'div', 'row_number', 'localtime', 'return', 'keys', 'limit', 'signal', 'xor', 'last_value', 'leave', 'asc', 'default', 'grouping', 'case', 'constraint', 'require', 'sqlexception', 'join', 'match', 'sql_small_result', 'straight_join', 'inner', 'range', 'optimizer_costs', 'like', 'integer', 'recursive', 'load', 'before', 'longtext', 'from', 'rlike', 'between', 'ssl', 'int3', 'update', 'io_after_gtids', 'then', 'insert', 'int8', 'minute_second', 'having', 'sql_big_result', 'lead', 'sensitive', 'resignal', 'current_timestamp', 'force', 'purge', 'use', 'escaped', 'dual', 'optionally', 'cursor', 'binary', 'for', 'distinct', 'percent_rank', 'over', 'primary', 'optimize', 'outer', 'deterministic', 'separator', 'longblob', 'int', 'utc_time', 'into', 'double', 'to', 'if', 'condition', 'tinyint', 'float', 'generated', 'int4', 'current_user', 'sqlwarning', 'order', 'database', 'json_table', 'else', 'io_before_gtids', 'rename', 'year_month', 'trailing', 'enclosed', 'schema', 'left', 'databases', 'cross', 'exists', 'union', 'column', 'kill', 'linear', 'bigint', 'day_microsecond', 'sqlstate', 'outfile', 'schemas', 'intersect', 'release', 'table', 'cascade', 'index', 'tinyblob', 'explain', 'function', 'right', 'collate', 'maxvalue', 'is', 'fulltext', 'interval', 'varbinary', 'real', 'varcharacter', 'lateral', 'describe', 'with', 'option', 'int2', 'lines', 'not', 'regexp', 'varchar', 'day_hour', 'char', 'distinctrow', 'precision', 'inout', 'groups', 'each', 'first_value', 'set', 'elseif', 'decimal', 'undo', 'sql', 'false', 'foreign', 'minute_microsecond', 'accessible', 'system', 'empty', 'mediumblob', 'localtimestamp', 'change', 'day_minute', 'of', 'delayed', 'where', 'out', 'select', 'terminated', 'when', 'analyze', 'tinytext', 'hour_second', 'high_priority', 'stored', 'smallint', 'unlock', 'create', 'natural', 'dec', 'mediumtext', 'rows', 'references', 'call', 'long', 'drop', 'read', 'trigger', 'declare', 'and', 'infile', 'hour_microsecond', 'lag', 'nth_value', 'numeric', 'show', 'blob', 'window', 'float4', 'alter', 'unique', 'all', 'write', 'exit', 'lock', 'mediumint', 'procedure', 'no_write_to_binlog', 'add', 'in', 'group', 'middleint', 'except', 'asensitive', 'second_microsecond', 'read_write', 'both', 'convert'}
def array_sql(self, expression: sqlglot.expressions.Array) -> str:
1124        def array_sql(self, expression: exp.Array) -> str:
1125            self.unsupported("Arrays are not supported by MySQL")
1126            return self.function_fallback_sql(expression)
def arraycontainsall_sql(self, expression: sqlglot.expressions.ArrayContainsAll) -> str:
1128        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1129            self.unsupported("Array operations are not supported by MySQL")
1130            return self.function_fallback_sql(expression)
def dpipe_sql(self, expression: sqlglot.expressions.DPipe) -> str:
1132        def dpipe_sql(self, expression: exp.DPipe) -> str:
1133            return self.func("CONCAT", *expression.flatten())
def extract_sql(self, expression: sqlglot.expressions.Extract) -> str:
1135        def extract_sql(self, expression: exp.Extract) -> str:
1136            unit = expression.name
1137            if unit and unit.lower() == "epoch":
1138                return self.func("UNIX_TIMESTAMP", expression.expression)
1139
1140            return super().extract_sql(expression)
def datatype_sql(self, expression: sqlglot.expressions.DataType) -> str:
1142        def datatype_sql(self, expression: exp.DataType) -> str:
1143            if (
1144                self.VARCHAR_REQUIRES_SIZE
1145                and expression.is_type(exp.DataType.Type.VARCHAR)
1146                and not expression.expressions
1147            ):
1148                # `VARCHAR` must always have a size - if it doesn't, we always generate `TEXT`
1149                return "TEXT"
1150
1151            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1152            result = super().datatype_sql(expression)
1153            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1154                result = f"{result} UNSIGNED"
1155
1156            return result
def jsonarraycontains_sql(self, expression: sqlglot.expressions.JSONArrayContains) -> str:
1158        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1159            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:
1161        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1162            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1163                return self.func("TIMESTAMP", expression.this)
1164
1165            to = self.CAST_MAPPING.get(expression.to.this)
1166
1167            if to:
1168                expression.to.set("this", to)
1169            return super().cast_sql(expression)
def show_sql(self, expression: sqlglot.expressions.Show) -> str:
1171        def show_sql(self, expression: exp.Show) -> str:
1172            this = f" {expression.name}"
1173            full = " FULL" if expression.args.get("full") else ""
1174            global_ = " GLOBAL" if expression.args.get("global") else ""
1175
1176            target = self.sql(expression, "target")
1177            target = f" {target}" if target else ""
1178            if expression.name in ("COLUMNS", "INDEX"):
1179                target = f" FROM{target}"
1180            elif expression.name == "GRANTS":
1181                target = f" FOR{target}"
1182
1183            db = self._prefixed_sql("FROM", expression, "db")
1184
1185            like = self._prefixed_sql("LIKE", expression, "like")
1186            where = self.sql(expression, "where")
1187
1188            types = self.expressions(expression, key="types")
1189            types = f" {types}" if types else types
1190            query = self._prefixed_sql("FOR QUERY", expression, "query")
1191
1192            if expression.name == "PROFILE":
1193                offset = self._prefixed_sql("OFFSET", expression, "offset")
1194                limit = self._prefixed_sql("LIMIT", expression, "limit")
1195            else:
1196                offset = ""
1197                limit = self._oldstyle_limit_sql(expression)
1198
1199            log = self._prefixed_sql("IN", expression, "log")
1200            position = self._prefixed_sql("FROM", expression, "position")
1201
1202            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1203
1204            if expression.name == "ENGINE":
1205                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1206            else:
1207                mutex_or_status = ""
1208
1209            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:
1211        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1212            dtype = self.sql(expression, "dtype")
1213            if not dtype:
1214                return super().altercolumn_sql(expression)
1215
1216            this = self.sql(expression, "this")
1217            return f"MODIFY COLUMN {this} {dtype}"
def chr_sql(self, expression: sqlglot.expressions.Chr) -> str:
1231        def chr_sql(self, expression: exp.Chr) -> str:
1232            this = self.expressions(sqls=[expression.this] + expression.expressions)
1233            charset = expression.args.get("charset")
1234            using = f" USING {self.sql(charset)}" if charset else ""
1235            return f"CHAR({this}{using})"
def timestamptrunc_sql(self, expression: sqlglot.expressions.TimestampTrunc) -> str:
1237        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1238            unit = expression.args.get("unit")
1239
1240            # Pick an old-enough date to avoid negative timestamp diffs
1241            start_ts = "'0000-01-01 00:00:00'"
1242
1243            # Source: https://stackoverflow.com/a/32955740
1244            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1245            interval = exp.Interval(this=timestamp_diff, unit=unit)
1246            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1247
1248            return self.sql(dateadd)
def converttimezone_sql(self, expression: sqlglot.expressions.ConvertTimezone) -> str:
1250        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1251            from_tz = expression.args.get("source_tz")
1252            to_tz = expression.args.get("target_tz")
1253            dt = expression.args.get("timestamp")
1254
1255            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
def attimezone_sql(self, expression: sqlglot.expressions.AtTimeZone) -> str:
1257        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1258            self.unsupported("AT TIME ZONE is not supported by MySQL")
1259            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
SUPPORTS_UNIX_SECONDS
ARRAY_SIZE_NAME
ARRAY_SIZE_DIM_REQUIRED
TIME_PART_SINGULARS
TOKEN_MAPPING
STRUCT_DELIMITER
PARAMETER_TOKEN
NAMED_PLACEHOLDER_TOKEN
EXPRESSION_PRECEDES_PROPERTIES_CREATABLES
WITH_SEPARATED_COMMENTS
EXCLUDE_COMMENTS
UNWRAPPED_INTERVAL_VALUES
PARAMETERIZABLE_TEXT_TYPES
EXPRESSIONS_WITHOUT_NESTED_CTES
SENTINEL_LINE_BREAK
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