Edit on GitHub

sqlglot.dialects.mysql

   1from __future__ import annotations
   2
   3import typing as t
   4
   5from sqlglot import exp, generator, parser, tokens, transforms
   6from sqlglot.dialects.dialect import (
   7    Dialect,
   8    NormalizationStrategy,
   9    arrow_json_extract_sql,
  10    date_add_interval_sql,
  11    datestrtodate_sql,
  12    build_formatted_time,
  13    isnull_to_is_null,
  14    locate_to_strposition,
  15    max_or_greatest,
  16    min_or_least,
  17    no_ilike_sql,
  18    no_paren_current_date_sql,
  19    no_pivot_sql,
  20    no_tablesample_sql,
  21    no_trycast_sql,
  22    build_date_delta,
  23    build_date_delta_with_interval,
  24    rename_func,
  25    strposition_to_locate_sql,
  26    unit_to_var,
  27)
  28from sqlglot.helper import seq_get
  29from sqlglot.tokens import TokenType
  30
  31
  32def _show_parser(*args: t.Any, **kwargs: t.Any) -> t.Callable[[MySQL.Parser], exp.Show]:
  33    def _parse(self: MySQL.Parser) -> exp.Show:
  34        return self._parse_show_mysql(*args, **kwargs)
  35
  36    return _parse
  37
  38
  39def _date_trunc_sql(self: MySQL.Generator, expression: exp.DateTrunc) -> str:
  40    expr = self.sql(expression, "this")
  41    unit = expression.text("unit").upper()
  42
  43    if unit == "WEEK":
  44        concat = f"CONCAT(YEAR({expr}), ' ', WEEK({expr}, 1), ' 1')"
  45        date_format = "%Y %u %w"
  46    elif unit == "MONTH":
  47        concat = f"CONCAT(YEAR({expr}), ' ', MONTH({expr}), ' 1')"
  48        date_format = "%Y %c %e"
  49    elif unit == "QUARTER":
  50        concat = f"CONCAT(YEAR({expr}), ' ', QUARTER({expr}) * 3 - 2, ' 1')"
  51        date_format = "%Y %c %e"
  52    elif unit == "YEAR":
  53        concat = f"CONCAT(YEAR({expr}), ' 1 1')"
  54        date_format = "%Y %c %e"
  55    else:
  56        if unit != "DAY":
  57            self.unsupported(f"Unexpected interval unit: {unit}")
  58        return self.func("DATE", expr)
  59
  60    return self.func("STR_TO_DATE", concat, f"'{date_format}'")
  61
  62
  63# All specifiers for time parts (as opposed to date parts)
  64# https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html#function_date-format
  65TIME_SPECIFIERS = {"f", "H", "h", "I", "i", "k", "l", "p", "r", "S", "s", "T"}
  66
  67
  68def _has_time_specifier(date_format: str) -> bool:
  69    i = 0
  70    length = len(date_format)
  71
  72    while i < length:
  73        if date_format[i] == "%":
  74            i += 1
  75            if i < length and date_format[i] in TIME_SPECIFIERS:
  76                return True
  77        i += 1
  78    return False
  79
  80
  81def _str_to_date(args: t.List) -> exp.StrToDate | exp.StrToTime:
  82    mysql_date_format = seq_get(args, 1)
  83    date_format = MySQL.format_time(mysql_date_format)
  84    this = seq_get(args, 0)
  85
  86    if mysql_date_format and _has_time_specifier(mysql_date_format.name):
  87        return exp.StrToTime(this=this, format=date_format)
  88
  89    return exp.StrToDate(this=this, format=date_format)
  90
  91
  92def _str_to_date_sql(
  93    self: MySQL.Generator, expression: exp.StrToDate | exp.StrToTime | exp.TsOrDsToDate
  94) -> str:
  95    return self.func("STR_TO_DATE", expression.this, self.format_time(expression))
  96
  97
  98def _trim_sql(self: MySQL.Generator, expression: exp.Trim) -> str:
  99    target = self.sql(expression, "this")
 100    trim_type = self.sql(expression, "position")
 101    remove_chars = self.sql(expression, "expression")
 102
 103    # Use TRIM/LTRIM/RTRIM syntax if the expression isn't mysql-specific
 104    if not remove_chars:
 105        return self.trim_sql(expression)
 106
 107    trim_type = f"{trim_type} " if trim_type else ""
 108    remove_chars = f"{remove_chars} " if remove_chars else ""
 109    from_part = "FROM " if trim_type or remove_chars else ""
 110    return f"TRIM({trim_type}{remove_chars}{from_part}{target})"
 111
 112
 113def _unix_to_time_sql(self: MySQL.Generator, expression: exp.UnixToTime) -> str:
 114    scale = expression.args.get("scale")
 115    timestamp = expression.this
 116
 117    if scale in (None, exp.UnixToTime.SECONDS):
 118        return self.func("FROM_UNIXTIME", timestamp, self.format_time(expression))
 119
 120    return self.func(
 121        "FROM_UNIXTIME",
 122        exp.Div(this=timestamp, expression=exp.func("POW", 10, scale)),
 123        self.format_time(expression),
 124    )
 125
 126
 127def date_add_sql(
 128    kind: str,
 129) -> t.Callable[[generator.Generator, exp.Expression], str]:
 130    def func(self: generator.Generator, expression: exp.Expression) -> str:
 131        return self.func(
 132            f"DATE_{kind}",
 133            expression.this,
 134            exp.Interval(this=expression.expression, unit=unit_to_var(expression)),
 135        )
 136
 137    return func
 138
 139
 140def _ts_or_ds_to_date_sql(self: MySQL.Generator, expression: exp.TsOrDsToDate) -> str:
 141    time_format = expression.args.get("format")
 142    return _str_to_date_sql(self, expression) if time_format else self.func("DATE", expression.this)
 143
 144
 145def _remove_ts_or_ds_to_date(
 146    to_sql: t.Optional[t.Callable[[MySQL.Generator, exp.Expression], str]] = None,
 147    args: t.Tuple[str, ...] = ("this",),
 148) -> t.Callable[[MySQL.Generator, exp.Func], str]:
 149    def func(self: MySQL.Generator, expression: exp.Func) -> str:
 150        for arg_key in args:
 151            arg = expression.args.get(arg_key)
 152            if isinstance(arg, exp.TsOrDsToDate) and not arg.args.get("format"):
 153                expression.set(arg_key, arg.this)
 154
 155        return to_sql(self, expression) if to_sql else self.function_fallback_sql(expression)
 156
 157    return func
 158
 159
 160class MySQL(Dialect):
 161    # https://dev.mysql.com/doc/refman/8.0/en/identifiers.html
 162    IDENTIFIERS_CAN_START_WITH_DIGIT = True
 163
 164    # We default to treating all identifiers as case-sensitive, since it matches MySQL's
 165    # behavior on Linux systems. For MacOS and Windows systems, one can override this
 166    # setting by specifying `dialect="mysql, normalization_strategy = lowercase"`.
 167    #
 168    # See also https://dev.mysql.com/doc/refman/8.2/en/identifier-case-sensitivity.html
 169    NORMALIZATION_STRATEGY = NormalizationStrategy.CASE_SENSITIVE
 170
 171    TIME_FORMAT = "'%Y-%m-%d %T'"
 172    DPIPE_IS_STRING_CONCAT = False
 173    SUPPORTS_USER_DEFINED_TYPES = False
 174    SUPPORTS_SEMI_ANTI_JOIN = False
 175    SAFE_DIVISION = True
 176
 177    # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions
 178    TIME_MAPPING = {
 179        "%M": "%B",
 180        "%c": "%-m",
 181        "%e": "%-d",
 182        "%h": "%I",
 183        "%i": "%M",
 184        "%s": "%S",
 185        "%u": "%W",
 186        "%k": "%-H",
 187        "%l": "%-I",
 188        "%T": "%H:%M:%S",
 189        "%W": "%a",
 190    }
 191
 192    class Tokenizer(tokens.Tokenizer):
 193        QUOTES = ["'", '"']
 194        COMMENTS = ["--", "#", ("/*", "*/")]
 195        IDENTIFIERS = ["`"]
 196        STRING_ESCAPES = ["'", '"', "\\"]
 197        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
 198        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
 199
 200        KEYWORDS = {
 201            **tokens.Tokenizer.KEYWORDS,
 202            "CHARSET": TokenType.CHARACTER_SET,
 203            "FORCE": TokenType.FORCE,
 204            "IGNORE": TokenType.IGNORE,
 205            "KEY": TokenType.KEY,
 206            "LOCK TABLES": TokenType.COMMAND,
 207            "LONGBLOB": TokenType.LONGBLOB,
 208            "LONGTEXT": TokenType.LONGTEXT,
 209            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
 210            "TINYBLOB": TokenType.TINYBLOB,
 211            "TINYTEXT": TokenType.TINYTEXT,
 212            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
 213            "MEDIUMINT": TokenType.MEDIUMINT,
 214            "MEMBER OF": TokenType.MEMBER_OF,
 215            "SEPARATOR": TokenType.SEPARATOR,
 216            "START": TokenType.BEGIN,
 217            "SIGNED": TokenType.BIGINT,
 218            "SIGNED INTEGER": TokenType.BIGINT,
 219            "UNLOCK TABLES": TokenType.COMMAND,
 220            "UNSIGNED": TokenType.UBIGINT,
 221            "UNSIGNED INTEGER": TokenType.UBIGINT,
 222            "YEAR": TokenType.YEAR,
 223            "_ARMSCII8": TokenType.INTRODUCER,
 224            "_ASCII": TokenType.INTRODUCER,
 225            "_BIG5": TokenType.INTRODUCER,
 226            "_BINARY": TokenType.INTRODUCER,
 227            "_CP1250": TokenType.INTRODUCER,
 228            "_CP1251": TokenType.INTRODUCER,
 229            "_CP1256": TokenType.INTRODUCER,
 230            "_CP1257": TokenType.INTRODUCER,
 231            "_CP850": TokenType.INTRODUCER,
 232            "_CP852": TokenType.INTRODUCER,
 233            "_CP866": TokenType.INTRODUCER,
 234            "_CP932": TokenType.INTRODUCER,
 235            "_DEC8": TokenType.INTRODUCER,
 236            "_EUCJPMS": TokenType.INTRODUCER,
 237            "_EUCKR": TokenType.INTRODUCER,
 238            "_GB18030": TokenType.INTRODUCER,
 239            "_GB2312": TokenType.INTRODUCER,
 240            "_GBK": TokenType.INTRODUCER,
 241            "_GEOSTD8": TokenType.INTRODUCER,
 242            "_GREEK": TokenType.INTRODUCER,
 243            "_HEBREW": TokenType.INTRODUCER,
 244            "_HP8": TokenType.INTRODUCER,
 245            "_KEYBCS2": TokenType.INTRODUCER,
 246            "_KOI8R": TokenType.INTRODUCER,
 247            "_KOI8U": TokenType.INTRODUCER,
 248            "_LATIN1": TokenType.INTRODUCER,
 249            "_LATIN2": TokenType.INTRODUCER,
 250            "_LATIN5": TokenType.INTRODUCER,
 251            "_LATIN7": TokenType.INTRODUCER,
 252            "_MACCE": TokenType.INTRODUCER,
 253            "_MACROMAN": TokenType.INTRODUCER,
 254            "_SJIS": TokenType.INTRODUCER,
 255            "_SWE7": TokenType.INTRODUCER,
 256            "_TIS620": TokenType.INTRODUCER,
 257            "_UCS2": TokenType.INTRODUCER,
 258            "_UJIS": TokenType.INTRODUCER,
 259            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
 260            "_UTF8": TokenType.INTRODUCER,
 261            "_UTF16": TokenType.INTRODUCER,
 262            "_UTF16LE": TokenType.INTRODUCER,
 263            "_UTF32": TokenType.INTRODUCER,
 264            "_UTF8MB3": TokenType.INTRODUCER,
 265            "_UTF8MB4": TokenType.INTRODUCER,
 266            "@@": TokenType.SESSION_PARAMETER,
 267        }
 268
 269        COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW}
 270
 271    class Parser(parser.Parser):
 272        FUNC_TOKENS = {
 273            *parser.Parser.FUNC_TOKENS,
 274            TokenType.DATABASE,
 275            TokenType.SCHEMA,
 276            TokenType.VALUES,
 277        }
 278
 279        CONJUNCTION = {
 280            **parser.Parser.CONJUNCTION,
 281            TokenType.DAMP: exp.And,
 282            TokenType.XOR: exp.Xor,
 283        }
 284
 285        DISJUNCTION = {
 286            **parser.Parser.DISJUNCTION,
 287            TokenType.DPIPE: exp.Or,
 288        }
 289
 290        TABLE_ALIAS_TOKENS = (
 291            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
 292        )
 293
 294        RANGE_PARSERS = {
 295            **parser.Parser.RANGE_PARSERS,
 296            TokenType.MEMBER_OF: lambda self, this: self.expression(
 297                exp.JSONArrayContains,
 298                this=this,
 299                expression=self._parse_wrapped(self._parse_expression),
 300            ),
 301        }
 302
 303        FUNCTIONS = {
 304            **parser.Parser.FUNCTIONS,
 305            "CONVERT_TZ": lambda args: exp.ConvertTimezone(
 306                source_tz=seq_get(args, 1), target_tz=seq_get(args, 2), timestamp=seq_get(args, 0)
 307            ),
 308            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
 309            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
 310            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
 311            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
 312            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 313            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 314            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 315            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 316            "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)),
 317            "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"),
 318            "ISNULL": isnull_to_is_null,
 319            "LOCATE": locate_to_strposition,
 320            "MAKETIME": exp.TimeFromParts.from_arg_list,
 321            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 322            "MONTHNAME": lambda args: exp.TimeToStr(
 323                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
 324                format=exp.Literal.string("%B"),
 325            ),
 326            "STR_TO_DATE": _str_to_date,
 327            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
 328            "TO_DAYS": lambda args: exp.paren(
 329                exp.DateDiff(
 330                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
 331                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
 332                    unit=exp.var("DAY"),
 333                )
 334                + 1
 335            ),
 336            "WEEK": lambda args: exp.Week(
 337                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
 338            ),
 339            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 340            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 341        }
 342
 343        FUNCTION_PARSERS = {
 344            **parser.Parser.FUNCTION_PARSERS,
 345            "CHAR": lambda self: self._parse_chr(),
 346            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
 347            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
 348            "VALUES": lambda self: self.expression(
 349                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
 350            ),
 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        LOG_DEFAULTS_TO_LN = True
 466        STRING_ALIASES = True
 467        VALUES_FOLLOWED_BY_PAREN = False
 468        SUPPORTS_PARTITION_SELECTION = True
 469
 470        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
 471            this = self._parse_id_var()
 472            if not self._match(TokenType.L_PAREN):
 473                return this
 474
 475            expression = self._parse_number()
 476            self._match_r_paren()
 477            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
 478
 479        def _parse_index_constraint(
 480            self, kind: t.Optional[str] = None
 481        ) -> exp.IndexColumnConstraint:
 482            if kind:
 483                self._match_texts(("INDEX", "KEY"))
 484
 485            this = self._parse_id_var(any_token=False)
 486            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
 487            expressions = self._parse_wrapped_csv(self._parse_ordered)
 488
 489            options = []
 490            while True:
 491                if self._match_text_seq("KEY_BLOCK_SIZE"):
 492                    self._match(TokenType.EQ)
 493                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
 494                elif self._match(TokenType.USING):
 495                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
 496                elif self._match_text_seq("WITH", "PARSER"):
 497                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
 498                elif self._match(TokenType.COMMENT):
 499                    opt = exp.IndexConstraintOption(comment=self._parse_string())
 500                elif self._match_text_seq("VISIBLE"):
 501                    opt = exp.IndexConstraintOption(visible=True)
 502                elif self._match_text_seq("INVISIBLE"):
 503                    opt = exp.IndexConstraintOption(visible=False)
 504                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
 505                    self._match(TokenType.EQ)
 506                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
 507                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
 508                    self._match(TokenType.EQ)
 509                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
 510                else:
 511                    opt = None
 512
 513                if not opt:
 514                    break
 515
 516                options.append(opt)
 517
 518            return self.expression(
 519                exp.IndexColumnConstraint,
 520                this=this,
 521                expressions=expressions,
 522                kind=kind,
 523                index_type=index_type,
 524                options=options,
 525            )
 526
 527        def _parse_show_mysql(
 528            self,
 529            this: str,
 530            target: bool | str = False,
 531            full: t.Optional[bool] = None,
 532            global_: t.Optional[bool] = None,
 533        ) -> exp.Show:
 534            if target:
 535                if isinstance(target, str):
 536                    self._match_text_seq(target)
 537                target_id = self._parse_id_var()
 538            else:
 539                target_id = None
 540
 541            log = self._parse_string() if self._match_text_seq("IN") else None
 542
 543            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
 544                position = self._parse_number() if self._match_text_seq("FROM") else None
 545                db = None
 546            else:
 547                position = None
 548                db = None
 549
 550                if self._match(TokenType.FROM):
 551                    db = self._parse_id_var()
 552                elif self._match(TokenType.DOT):
 553                    db = target_id
 554                    target_id = self._parse_id_var()
 555
 556            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
 557
 558            like = self._parse_string() if self._match_text_seq("LIKE") else None
 559            where = self._parse_where()
 560
 561            if this == "PROFILE":
 562                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
 563                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
 564                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
 565                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
 566            else:
 567                types, query = None, None
 568                offset, limit = self._parse_oldstyle_limit()
 569
 570            mutex = True if self._match_text_seq("MUTEX") else None
 571            mutex = False if self._match_text_seq("STATUS") else mutex
 572
 573            return self.expression(
 574                exp.Show,
 575                this=this,
 576                target=target_id,
 577                full=full,
 578                log=log,
 579                position=position,
 580                db=db,
 581                channel=channel,
 582                like=like,
 583                where=where,
 584                types=types,
 585                query=query,
 586                offset=offset,
 587                limit=limit,
 588                mutex=mutex,
 589                **{"global": global_},  # type: ignore
 590            )
 591
 592        def _parse_oldstyle_limit(
 593            self,
 594        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
 595            limit = None
 596            offset = None
 597            if self._match_text_seq("LIMIT"):
 598                parts = self._parse_csv(self._parse_number)
 599                if len(parts) == 1:
 600                    limit = parts[0]
 601                elif len(parts) == 2:
 602                    limit = parts[1]
 603                    offset = parts[0]
 604
 605            return offset, limit
 606
 607        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
 608            this = self._parse_string() or self._parse_unquoted_field()
 609            return self.expression(exp.SetItem, this=this, kind=kind)
 610
 611        def _parse_set_item_names(self) -> exp.Expression:
 612            charset = self._parse_string() or self._parse_unquoted_field()
 613            if self._match_text_seq("COLLATE"):
 614                collate = self._parse_string() or self._parse_unquoted_field()
 615            else:
 616                collate = None
 617
 618            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
 619
 620        def _parse_type(
 621            self, parse_interval: bool = True, fallback_to_identifier: bool = False
 622        ) -> t.Optional[exp.Expression]:
 623            # mysql binary is special and can work anywhere, even in order by operations
 624            # it operates like a no paren func
 625            if self._match(TokenType.BINARY, advance=False):
 626                data_type = self._parse_types(check_func=True, allow_identifiers=False)
 627
 628                if isinstance(data_type, exp.DataType):
 629                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
 630
 631            return super()._parse_type(
 632                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
 633            )
 634
 635        def _parse_chr(self) -> t.Optional[exp.Expression]:
 636            expressions = self._parse_csv(self._parse_assignment)
 637            kwargs: t.Dict[str, t.Any] = {"this": seq_get(expressions, 0)}
 638
 639            if len(expressions) > 1:
 640                kwargs["expressions"] = expressions[1:]
 641
 642            if self._match(TokenType.USING):
 643                kwargs["charset"] = self._parse_var()
 644
 645            return self.expression(exp.Chr, **kwargs)
 646
 647        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
 648            def concat_exprs(
 649                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
 650            ) -> exp.Expression:
 651                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
 652                    concat_exprs = [
 653                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
 654                    ]
 655                    node.set("expressions", concat_exprs)
 656                    return node
 657                if len(exprs) == 1:
 658                    return exprs[0]
 659                return self.expression(exp.Concat, expressions=args, safe=True)
 660
 661            args = self._parse_csv(self._parse_lambda)
 662
 663            if args:
 664                order = args[-1] if isinstance(args[-1], exp.Order) else None
 665
 666                if order:
 667                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
 668                    # remove 'expr' from exp.Order and add it back to args
 669                    args[-1] = order.this
 670                    order.set("this", concat_exprs(order.this, args))
 671
 672                this = order or concat_exprs(args[0], args)
 673            else:
 674                this = None
 675
 676            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
 677
 678            return self.expression(exp.GroupConcat, this=this, separator=separator)
 679
 680    class Generator(generator.Generator):
 681        INTERVAL_ALLOWS_PLURAL_FORM = False
 682        LOCKING_READS_SUPPORTED = True
 683        NULL_ORDERING_SUPPORTED = None
 684        JOIN_HINTS = False
 685        TABLE_HINTS = True
 686        DUPLICATE_KEY_UPDATE_WITH_SET = False
 687        QUERY_HINT_SEP = " "
 688        VALUES_AS_TABLE = False
 689        NVL2_SUPPORTED = False
 690        LAST_DAY_SUPPORTS_DATE_PART = False
 691        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
 692        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
 693        JSON_KEY_VALUE_PAIR_SEP = ","
 694        SUPPORTS_TO_NUMBER = False
 695        PARSE_JSON_NAME = None
 696        PAD_FILL_PATTERN_IS_REQUIRED = True
 697        WRAP_DERIVED_VALUES = False
 698
 699        TRANSFORMS = {
 700            **generator.Generator.TRANSFORMS,
 701            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
 702            exp.CurrentDate: no_paren_current_date_sql,
 703            exp.DateDiff: _remove_ts_or_ds_to_date(
 704                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
 705            ),
 706            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
 707            exp.DateStrToDate: datestrtodate_sql,
 708            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
 709            exp.DateTrunc: _date_trunc_sql,
 710            exp.Day: _remove_ts_or_ds_to_date(),
 711            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
 712            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
 713            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
 714            exp.GroupConcat: lambda self,
 715            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
 716            exp.ILike: no_ilike_sql,
 717            exp.JSONExtractScalar: arrow_json_extract_sql,
 718            exp.Max: max_or_greatest,
 719            exp.Min: min_or_least,
 720            exp.Month: _remove_ts_or_ds_to_date(),
 721            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
 722            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
 723            exp.Pivot: no_pivot_sql,
 724            exp.Select: transforms.preprocess(
 725                [
 726                    transforms.eliminate_distinct_on,
 727                    transforms.eliminate_semi_and_anti_joins,
 728                    transforms.eliminate_qualify,
 729                    transforms.eliminate_full_outer_join,
 730                    transforms.unnest_generate_date_array_using_recursive_cte,
 731                ]
 732            ),
 733            exp.StrPosition: strposition_to_locate_sql,
 734            exp.StrToDate: _str_to_date_sql,
 735            exp.StrToTime: _str_to_date_sql,
 736            exp.Stuff: rename_func("INSERT"),
 737            exp.TableSample: no_tablesample_sql,
 738            exp.TimeFromParts: rename_func("MAKETIME"),
 739            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
 740            exp.TimestampDiff: lambda self, e: self.func(
 741                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
 742            ),
 743            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
 744            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
 745            exp.TimeStrToTime: lambda self, e: self.sql(
 746                exp.cast(e.this, exp.DataType.Type.DATETIME, copy=True)
 747            ),
 748            exp.TimeToStr: _remove_ts_or_ds_to_date(
 749                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
 750            ),
 751            exp.Trim: _trim_sql,
 752            exp.TryCast: no_trycast_sql,
 753            exp.TsOrDsAdd: date_add_sql("ADD"),
 754            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
 755            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
 756            exp.UnixToTime: _unix_to_time_sql,
 757            exp.Week: _remove_ts_or_ds_to_date(),
 758            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
 759            exp.Year: _remove_ts_or_ds_to_date(),
 760        }
 761
 762        UNSIGNED_TYPE_MAPPING = {
 763            exp.DataType.Type.UBIGINT: "BIGINT",
 764            exp.DataType.Type.UINT: "INT",
 765            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
 766            exp.DataType.Type.USMALLINT: "SMALLINT",
 767            exp.DataType.Type.UTINYINT: "TINYINT",
 768            exp.DataType.Type.UDECIMAL: "DECIMAL",
 769        }
 770
 771        TIMESTAMP_TYPE_MAPPING = {
 772            exp.DataType.Type.TIMESTAMP: "DATETIME",
 773            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
 774            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
 775        }
 776
 777        TYPE_MAPPING = {
 778            **generator.Generator.TYPE_MAPPING,
 779            **UNSIGNED_TYPE_MAPPING,
 780            **TIMESTAMP_TYPE_MAPPING,
 781        }
 782
 783        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
 784        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
 785        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
 786        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
 787        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
 788        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
 789
 790        PROPERTIES_LOCATION = {
 791            **generator.Generator.PROPERTIES_LOCATION,
 792            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
 793            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
 794        }
 795
 796        LIMIT_FETCH = "LIMIT"
 797
 798        LIMIT_ONLY_LITERALS = True
 799
 800        CHAR_CAST_MAPPING = dict.fromkeys(
 801            (
 802                exp.DataType.Type.LONGTEXT,
 803                exp.DataType.Type.LONGBLOB,
 804                exp.DataType.Type.MEDIUMBLOB,
 805                exp.DataType.Type.MEDIUMTEXT,
 806                exp.DataType.Type.TEXT,
 807                exp.DataType.Type.TINYBLOB,
 808                exp.DataType.Type.TINYTEXT,
 809                exp.DataType.Type.VARCHAR,
 810            ),
 811            "CHAR",
 812        )
 813        SIGNED_CAST_MAPPING = dict.fromkeys(
 814            (
 815                exp.DataType.Type.BIGINT,
 816                exp.DataType.Type.BOOLEAN,
 817                exp.DataType.Type.INT,
 818                exp.DataType.Type.SMALLINT,
 819                exp.DataType.Type.TINYINT,
 820                exp.DataType.Type.MEDIUMINT,
 821            ),
 822            "SIGNED",
 823        )
 824
 825        # MySQL doesn't support many datatypes in cast.
 826        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
 827        CAST_MAPPING = {
 828            **CHAR_CAST_MAPPING,
 829            **SIGNED_CAST_MAPPING,
 830            exp.DataType.Type.UBIGINT: "UNSIGNED",
 831        }
 832
 833        TIMESTAMP_FUNC_TYPES = {
 834            exp.DataType.Type.TIMESTAMPTZ,
 835            exp.DataType.Type.TIMESTAMPLTZ,
 836        }
 837
 838        # https://dev.mysql.com/doc/refman/8.0/en/keywords.html
 839        RESERVED_KEYWORDS = {
 840            "accessible",
 841            "add",
 842            "all",
 843            "alter",
 844            "analyze",
 845            "and",
 846            "as",
 847            "asc",
 848            "asensitive",
 849            "before",
 850            "between",
 851            "bigint",
 852            "binary",
 853            "blob",
 854            "both",
 855            "by",
 856            "call",
 857            "cascade",
 858            "case",
 859            "change",
 860            "char",
 861            "character",
 862            "check",
 863            "collate",
 864            "column",
 865            "condition",
 866            "constraint",
 867            "continue",
 868            "convert",
 869            "create",
 870            "cross",
 871            "cube",
 872            "cume_dist",
 873            "current_date",
 874            "current_time",
 875            "current_timestamp",
 876            "current_user",
 877            "cursor",
 878            "database",
 879            "databases",
 880            "day_hour",
 881            "day_microsecond",
 882            "day_minute",
 883            "day_second",
 884            "dec",
 885            "decimal",
 886            "declare",
 887            "default",
 888            "delayed",
 889            "delete",
 890            "dense_rank",
 891            "desc",
 892            "describe",
 893            "deterministic",
 894            "distinct",
 895            "distinctrow",
 896            "div",
 897            "double",
 898            "drop",
 899            "dual",
 900            "each",
 901            "else",
 902            "elseif",
 903            "empty",
 904            "enclosed",
 905            "escaped",
 906            "except",
 907            "exists",
 908            "exit",
 909            "explain",
 910            "false",
 911            "fetch",
 912            "first_value",
 913            "float",
 914            "float4",
 915            "float8",
 916            "for",
 917            "force",
 918            "foreign",
 919            "from",
 920            "fulltext",
 921            "function",
 922            "generated",
 923            "get",
 924            "grant",
 925            "group",
 926            "grouping",
 927            "groups",
 928            "having",
 929            "high_priority",
 930            "hour_microsecond",
 931            "hour_minute",
 932            "hour_second",
 933            "if",
 934            "ignore",
 935            "in",
 936            "index",
 937            "infile",
 938            "inner",
 939            "inout",
 940            "insensitive",
 941            "insert",
 942            "int",
 943            "int1",
 944            "int2",
 945            "int3",
 946            "int4",
 947            "int8",
 948            "integer",
 949            "intersect",
 950            "interval",
 951            "into",
 952            "io_after_gtids",
 953            "io_before_gtids",
 954            "is",
 955            "iterate",
 956            "join",
 957            "json_table",
 958            "key",
 959            "keys",
 960            "kill",
 961            "lag",
 962            "last_value",
 963            "lateral",
 964            "lead",
 965            "leading",
 966            "leave",
 967            "left",
 968            "like",
 969            "limit",
 970            "linear",
 971            "lines",
 972            "load",
 973            "localtime",
 974            "localtimestamp",
 975            "lock",
 976            "long",
 977            "longblob",
 978            "longtext",
 979            "loop",
 980            "low_priority",
 981            "master_bind",
 982            "master_ssl_verify_server_cert",
 983            "match",
 984            "maxvalue",
 985            "mediumblob",
 986            "mediumint",
 987            "mediumtext",
 988            "middleint",
 989            "minute_microsecond",
 990            "minute_second",
 991            "mod",
 992            "modifies",
 993            "natural",
 994            "not",
 995            "no_write_to_binlog",
 996            "nth_value",
 997            "ntile",
 998            "null",
 999            "numeric",
1000            "of",
1001            "on",
1002            "optimize",
1003            "optimizer_costs",
1004            "option",
1005            "optionally",
1006            "or",
1007            "order",
1008            "out",
1009            "outer",
1010            "outfile",
1011            "over",
1012            "partition",
1013            "percent_rank",
1014            "precision",
1015            "primary",
1016            "procedure",
1017            "purge",
1018            "range",
1019            "rank",
1020            "read",
1021            "reads",
1022            "read_write",
1023            "real",
1024            "recursive",
1025            "references",
1026            "regexp",
1027            "release",
1028            "rename",
1029            "repeat",
1030            "replace",
1031            "require",
1032            "resignal",
1033            "restrict",
1034            "return",
1035            "revoke",
1036            "right",
1037            "rlike",
1038            "row",
1039            "rows",
1040            "row_number",
1041            "schema",
1042            "schemas",
1043            "second_microsecond",
1044            "select",
1045            "sensitive",
1046            "separator",
1047            "set",
1048            "show",
1049            "signal",
1050            "smallint",
1051            "spatial",
1052            "specific",
1053            "sql",
1054            "sqlexception",
1055            "sqlstate",
1056            "sqlwarning",
1057            "sql_big_result",
1058            "sql_calc_found_rows",
1059            "sql_small_result",
1060            "ssl",
1061            "starting",
1062            "stored",
1063            "straight_join",
1064            "system",
1065            "table",
1066            "terminated",
1067            "then",
1068            "tinyblob",
1069            "tinyint",
1070            "tinytext",
1071            "to",
1072            "trailing",
1073            "trigger",
1074            "true",
1075            "undo",
1076            "union",
1077            "unique",
1078            "unlock",
1079            "unsigned",
1080            "update",
1081            "usage",
1082            "use",
1083            "using",
1084            "utc_date",
1085            "utc_time",
1086            "utc_timestamp",
1087            "values",
1088            "varbinary",
1089            "varchar",
1090            "varcharacter",
1091            "varying",
1092            "virtual",
1093            "when",
1094            "where",
1095            "while",
1096            "window",
1097            "with",
1098            "write",
1099            "xor",
1100            "year_month",
1101            "zerofill",
1102        }
1103
1104        def array_sql(self, expression: exp.Array) -> str:
1105            self.unsupported("Arrays are not supported by MySQL")
1106            return self.function_fallback_sql(expression)
1107
1108        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1109            self.unsupported("Array operations are not supported by MySQL")
1110            return self.function_fallback_sql(expression)
1111
1112        def dpipe_sql(self, expression: exp.DPipe) -> str:
1113            return self.func("CONCAT", *expression.flatten())
1114
1115        def extract_sql(self, expression: exp.Extract) -> str:
1116            unit = expression.name
1117            if unit and unit.lower() == "epoch":
1118                return self.func("UNIX_TIMESTAMP", expression.expression)
1119
1120            return super().extract_sql(expression)
1121
1122        def datatype_sql(self, expression: exp.DataType) -> str:
1123            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1124            result = super().datatype_sql(expression)
1125            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1126                result = f"{result} UNSIGNED"
1127            return result
1128
1129        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1130            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
1131
1132        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1133            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1134                return self.func("TIMESTAMP", expression.this)
1135
1136            to = self.CAST_MAPPING.get(expression.to.this)
1137
1138            if to:
1139                expression.to.set("this", to)
1140            return super().cast_sql(expression)
1141
1142        def show_sql(self, expression: exp.Show) -> str:
1143            this = f" {expression.name}"
1144            full = " FULL" if expression.args.get("full") else ""
1145            global_ = " GLOBAL" if expression.args.get("global") else ""
1146
1147            target = self.sql(expression, "target")
1148            target = f" {target}" if target else ""
1149            if expression.name in ("COLUMNS", "INDEX"):
1150                target = f" FROM{target}"
1151            elif expression.name == "GRANTS":
1152                target = f" FOR{target}"
1153
1154            db = self._prefixed_sql("FROM", expression, "db")
1155
1156            like = self._prefixed_sql("LIKE", expression, "like")
1157            where = self.sql(expression, "where")
1158
1159            types = self.expressions(expression, key="types")
1160            types = f" {types}" if types else types
1161            query = self._prefixed_sql("FOR QUERY", expression, "query")
1162
1163            if expression.name == "PROFILE":
1164                offset = self._prefixed_sql("OFFSET", expression, "offset")
1165                limit = self._prefixed_sql("LIMIT", expression, "limit")
1166            else:
1167                offset = ""
1168                limit = self._oldstyle_limit_sql(expression)
1169
1170            log = self._prefixed_sql("IN", expression, "log")
1171            position = self._prefixed_sql("FROM", expression, "position")
1172
1173            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1174
1175            if expression.name == "ENGINE":
1176                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1177            else:
1178                mutex_or_status = ""
1179
1180            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
1181
1182        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1183            dtype = self.sql(expression, "dtype")
1184            if not dtype:
1185                return super().altercolumn_sql(expression)
1186
1187            this = self.sql(expression, "this")
1188            return f"MODIFY COLUMN {this} {dtype}"
1189
1190        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
1191            sql = self.sql(expression, arg)
1192            return f" {prefix} {sql}" if sql else ""
1193
1194        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
1195            limit = self.sql(expression, "limit")
1196            offset = self.sql(expression, "offset")
1197            if limit:
1198                limit_offset = f"{offset}, {limit}" if offset else limit
1199                return f" LIMIT {limit_offset}"
1200            return ""
1201
1202        def chr_sql(self, expression: exp.Chr) -> str:
1203            this = self.expressions(sqls=[expression.this] + expression.expressions)
1204            charset = expression.args.get("charset")
1205            using = f" USING {self.sql(charset)}" if charset else ""
1206            return f"CHAR({this}{using})"
1207
1208        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1209            unit = expression.args.get("unit")
1210
1211            # Pick an old-enough date to avoid negative timestamp diffs
1212            start_ts = "'0000-01-01 00:00:00'"
1213
1214            # Source: https://stackoverflow.com/a/32955740
1215            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1216            interval = exp.Interval(this=timestamp_diff, unit=unit)
1217            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1218
1219            return self.sql(dateadd)
1220
1221        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1222            from_tz = expression.args.get("source_tz")
1223            to_tz = expression.args.get("target_tz")
1224            dt = expression.args.get("timestamp")
1225
1226            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
TIME_SPECIFIERS = {'l', 'k', 'T', 'h', 'f', 'i', 'I', 'r', 's', 'H', 'S', 'p'}
def date_add_sql( kind: str) -> Callable[[sqlglot.generator.Generator, sqlglot.expressions.Expression], str]:
128def date_add_sql(
129    kind: str,
130) -> t.Callable[[generator.Generator, exp.Expression], str]:
131    def func(self: generator.Generator, expression: exp.Expression) -> str:
132        return self.func(
133            f"DATE_{kind}",
134            expression.this,
135            exp.Interval(this=expression.expression, unit=unit_to_var(expression)),
136        )
137
138    return func
class MySQL(sqlglot.dialects.dialect.Dialect):
 161class MySQL(Dialect):
 162    # https://dev.mysql.com/doc/refman/8.0/en/identifiers.html
 163    IDENTIFIERS_CAN_START_WITH_DIGIT = True
 164
 165    # We default to treating all identifiers as case-sensitive, since it matches MySQL's
 166    # behavior on Linux systems. For MacOS and Windows systems, one can override this
 167    # setting by specifying `dialect="mysql, normalization_strategy = lowercase"`.
 168    #
 169    # See also https://dev.mysql.com/doc/refman/8.2/en/identifier-case-sensitivity.html
 170    NORMALIZATION_STRATEGY = NormalizationStrategy.CASE_SENSITIVE
 171
 172    TIME_FORMAT = "'%Y-%m-%d %T'"
 173    DPIPE_IS_STRING_CONCAT = False
 174    SUPPORTS_USER_DEFINED_TYPES = False
 175    SUPPORTS_SEMI_ANTI_JOIN = False
 176    SAFE_DIVISION = True
 177
 178    # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions
 179    TIME_MAPPING = {
 180        "%M": "%B",
 181        "%c": "%-m",
 182        "%e": "%-d",
 183        "%h": "%I",
 184        "%i": "%M",
 185        "%s": "%S",
 186        "%u": "%W",
 187        "%k": "%-H",
 188        "%l": "%-I",
 189        "%T": "%H:%M:%S",
 190        "%W": "%a",
 191    }
 192
 193    class Tokenizer(tokens.Tokenizer):
 194        QUOTES = ["'", '"']
 195        COMMENTS = ["--", "#", ("/*", "*/")]
 196        IDENTIFIERS = ["`"]
 197        STRING_ESCAPES = ["'", '"', "\\"]
 198        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
 199        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
 200
 201        KEYWORDS = {
 202            **tokens.Tokenizer.KEYWORDS,
 203            "CHARSET": TokenType.CHARACTER_SET,
 204            "FORCE": TokenType.FORCE,
 205            "IGNORE": TokenType.IGNORE,
 206            "KEY": TokenType.KEY,
 207            "LOCK TABLES": TokenType.COMMAND,
 208            "LONGBLOB": TokenType.LONGBLOB,
 209            "LONGTEXT": TokenType.LONGTEXT,
 210            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
 211            "TINYBLOB": TokenType.TINYBLOB,
 212            "TINYTEXT": TokenType.TINYTEXT,
 213            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
 214            "MEDIUMINT": TokenType.MEDIUMINT,
 215            "MEMBER OF": TokenType.MEMBER_OF,
 216            "SEPARATOR": TokenType.SEPARATOR,
 217            "START": TokenType.BEGIN,
 218            "SIGNED": TokenType.BIGINT,
 219            "SIGNED INTEGER": TokenType.BIGINT,
 220            "UNLOCK TABLES": TokenType.COMMAND,
 221            "UNSIGNED": TokenType.UBIGINT,
 222            "UNSIGNED INTEGER": TokenType.UBIGINT,
 223            "YEAR": TokenType.YEAR,
 224            "_ARMSCII8": TokenType.INTRODUCER,
 225            "_ASCII": TokenType.INTRODUCER,
 226            "_BIG5": TokenType.INTRODUCER,
 227            "_BINARY": TokenType.INTRODUCER,
 228            "_CP1250": TokenType.INTRODUCER,
 229            "_CP1251": TokenType.INTRODUCER,
 230            "_CP1256": TokenType.INTRODUCER,
 231            "_CP1257": TokenType.INTRODUCER,
 232            "_CP850": TokenType.INTRODUCER,
 233            "_CP852": TokenType.INTRODUCER,
 234            "_CP866": TokenType.INTRODUCER,
 235            "_CP932": TokenType.INTRODUCER,
 236            "_DEC8": TokenType.INTRODUCER,
 237            "_EUCJPMS": TokenType.INTRODUCER,
 238            "_EUCKR": TokenType.INTRODUCER,
 239            "_GB18030": TokenType.INTRODUCER,
 240            "_GB2312": TokenType.INTRODUCER,
 241            "_GBK": TokenType.INTRODUCER,
 242            "_GEOSTD8": TokenType.INTRODUCER,
 243            "_GREEK": TokenType.INTRODUCER,
 244            "_HEBREW": TokenType.INTRODUCER,
 245            "_HP8": TokenType.INTRODUCER,
 246            "_KEYBCS2": TokenType.INTRODUCER,
 247            "_KOI8R": TokenType.INTRODUCER,
 248            "_KOI8U": TokenType.INTRODUCER,
 249            "_LATIN1": TokenType.INTRODUCER,
 250            "_LATIN2": TokenType.INTRODUCER,
 251            "_LATIN5": TokenType.INTRODUCER,
 252            "_LATIN7": TokenType.INTRODUCER,
 253            "_MACCE": TokenType.INTRODUCER,
 254            "_MACROMAN": TokenType.INTRODUCER,
 255            "_SJIS": TokenType.INTRODUCER,
 256            "_SWE7": TokenType.INTRODUCER,
 257            "_TIS620": TokenType.INTRODUCER,
 258            "_UCS2": TokenType.INTRODUCER,
 259            "_UJIS": TokenType.INTRODUCER,
 260            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
 261            "_UTF8": TokenType.INTRODUCER,
 262            "_UTF16": TokenType.INTRODUCER,
 263            "_UTF16LE": TokenType.INTRODUCER,
 264            "_UTF32": TokenType.INTRODUCER,
 265            "_UTF8MB3": TokenType.INTRODUCER,
 266            "_UTF8MB4": TokenType.INTRODUCER,
 267            "@@": TokenType.SESSION_PARAMETER,
 268        }
 269
 270        COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW}
 271
 272    class Parser(parser.Parser):
 273        FUNC_TOKENS = {
 274            *parser.Parser.FUNC_TOKENS,
 275            TokenType.DATABASE,
 276            TokenType.SCHEMA,
 277            TokenType.VALUES,
 278        }
 279
 280        CONJUNCTION = {
 281            **parser.Parser.CONJUNCTION,
 282            TokenType.DAMP: exp.And,
 283            TokenType.XOR: exp.Xor,
 284        }
 285
 286        DISJUNCTION = {
 287            **parser.Parser.DISJUNCTION,
 288            TokenType.DPIPE: exp.Or,
 289        }
 290
 291        TABLE_ALIAS_TOKENS = (
 292            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
 293        )
 294
 295        RANGE_PARSERS = {
 296            **parser.Parser.RANGE_PARSERS,
 297            TokenType.MEMBER_OF: lambda self, this: self.expression(
 298                exp.JSONArrayContains,
 299                this=this,
 300                expression=self._parse_wrapped(self._parse_expression),
 301            ),
 302        }
 303
 304        FUNCTIONS = {
 305            **parser.Parser.FUNCTIONS,
 306            "CONVERT_TZ": lambda args: exp.ConvertTimezone(
 307                source_tz=seq_get(args, 1), target_tz=seq_get(args, 2), timestamp=seq_get(args, 0)
 308            ),
 309            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
 310            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
 311            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
 312            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
 313            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 314            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 315            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 316            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 317            "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)),
 318            "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"),
 319            "ISNULL": isnull_to_is_null,
 320            "LOCATE": locate_to_strposition,
 321            "MAKETIME": exp.TimeFromParts.from_arg_list,
 322            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 323            "MONTHNAME": lambda args: exp.TimeToStr(
 324                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
 325                format=exp.Literal.string("%B"),
 326            ),
 327            "STR_TO_DATE": _str_to_date,
 328            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
 329            "TO_DAYS": lambda args: exp.paren(
 330                exp.DateDiff(
 331                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
 332                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
 333                    unit=exp.var("DAY"),
 334                )
 335                + 1
 336            ),
 337            "WEEK": lambda args: exp.Week(
 338                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
 339            ),
 340            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 341            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
 342        }
 343
 344        FUNCTION_PARSERS = {
 345            **parser.Parser.FUNCTION_PARSERS,
 346            "CHAR": lambda self: self._parse_chr(),
 347            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
 348            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
 349            "VALUES": lambda self: self.expression(
 350                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
 351            ),
 352        }
 353
 354        STATEMENT_PARSERS = {
 355            **parser.Parser.STATEMENT_PARSERS,
 356            TokenType.SHOW: lambda self: self._parse_show(),
 357        }
 358
 359        SHOW_PARSERS = {
 360            "BINARY LOGS": _show_parser("BINARY LOGS"),
 361            "MASTER LOGS": _show_parser("BINARY LOGS"),
 362            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
 363            "CHARACTER SET": _show_parser("CHARACTER SET"),
 364            "CHARSET": _show_parser("CHARACTER SET"),
 365            "COLLATION": _show_parser("COLLATION"),
 366            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
 367            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
 368            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
 369            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
 370            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
 371            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
 372            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
 373            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
 374            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
 375            "DATABASES": _show_parser("DATABASES"),
 376            "SCHEMAS": _show_parser("DATABASES"),
 377            "ENGINE": _show_parser("ENGINE", target=True),
 378            "STORAGE ENGINES": _show_parser("ENGINES"),
 379            "ENGINES": _show_parser("ENGINES"),
 380            "ERRORS": _show_parser("ERRORS"),
 381            "EVENTS": _show_parser("EVENTS"),
 382            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
 383            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
 384            "GRANTS": _show_parser("GRANTS", target="FOR"),
 385            "INDEX": _show_parser("INDEX", target="FROM"),
 386            "MASTER STATUS": _show_parser("MASTER STATUS"),
 387            "OPEN TABLES": _show_parser("OPEN TABLES"),
 388            "PLUGINS": _show_parser("PLUGINS"),
 389            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
 390            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
 391            "PRIVILEGES": _show_parser("PRIVILEGES"),
 392            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
 393            "PROCESSLIST": _show_parser("PROCESSLIST"),
 394            "PROFILE": _show_parser("PROFILE"),
 395            "PROFILES": _show_parser("PROFILES"),
 396            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
 397            "REPLICAS": _show_parser("REPLICAS"),
 398            "SLAVE HOSTS": _show_parser("REPLICAS"),
 399            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
 400            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
 401            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
 402            "SESSION STATUS": _show_parser("STATUS"),
 403            "STATUS": _show_parser("STATUS"),
 404            "TABLE STATUS": _show_parser("TABLE STATUS"),
 405            "FULL TABLES": _show_parser("TABLES", full=True),
 406            "TABLES": _show_parser("TABLES"),
 407            "TRIGGERS": _show_parser("TRIGGERS"),
 408            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
 409            "SESSION VARIABLES": _show_parser("VARIABLES"),
 410            "VARIABLES": _show_parser("VARIABLES"),
 411            "WARNINGS": _show_parser("WARNINGS"),
 412        }
 413
 414        PROPERTY_PARSERS = {
 415            **parser.Parser.PROPERTY_PARSERS,
 416            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
 417        }
 418
 419        SET_PARSERS = {
 420            **parser.Parser.SET_PARSERS,
 421            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
 422            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
 423            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
 424            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
 425            "NAMES": lambda self: self._parse_set_item_names(),
 426        }
 427
 428        CONSTRAINT_PARSERS = {
 429            **parser.Parser.CONSTRAINT_PARSERS,
 430            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
 431            "INDEX": lambda self: self._parse_index_constraint(),
 432            "KEY": lambda self: self._parse_index_constraint(),
 433            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
 434        }
 435
 436        ALTER_PARSERS = {
 437            **parser.Parser.ALTER_PARSERS,
 438            "MODIFY": lambda self: self._parse_alter_table_alter(),
 439        }
 440
 441        SCHEMA_UNNAMED_CONSTRAINTS = {
 442            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
 443            "FULLTEXT",
 444            "INDEX",
 445            "KEY",
 446            "SPATIAL",
 447        }
 448
 449        PROFILE_TYPES: parser.OPTIONS_TYPE = {
 450            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
 451            "BLOCK": ("IO",),
 452            "CONTEXT": ("SWITCHES",),
 453            "PAGE": ("FAULTS",),
 454        }
 455
 456        TYPE_TOKENS = {
 457            *parser.Parser.TYPE_TOKENS,
 458            TokenType.SET,
 459        }
 460
 461        ENUM_TYPE_TOKENS = {
 462            *parser.Parser.ENUM_TYPE_TOKENS,
 463            TokenType.SET,
 464        }
 465
 466        LOG_DEFAULTS_TO_LN = True
 467        STRING_ALIASES = True
 468        VALUES_FOLLOWED_BY_PAREN = False
 469        SUPPORTS_PARTITION_SELECTION = True
 470
 471        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
 472            this = self._parse_id_var()
 473            if not self._match(TokenType.L_PAREN):
 474                return this
 475
 476            expression = self._parse_number()
 477            self._match_r_paren()
 478            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
 479
 480        def _parse_index_constraint(
 481            self, kind: t.Optional[str] = None
 482        ) -> exp.IndexColumnConstraint:
 483            if kind:
 484                self._match_texts(("INDEX", "KEY"))
 485
 486            this = self._parse_id_var(any_token=False)
 487            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
 488            expressions = self._parse_wrapped_csv(self._parse_ordered)
 489
 490            options = []
 491            while True:
 492                if self._match_text_seq("KEY_BLOCK_SIZE"):
 493                    self._match(TokenType.EQ)
 494                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
 495                elif self._match(TokenType.USING):
 496                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
 497                elif self._match_text_seq("WITH", "PARSER"):
 498                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
 499                elif self._match(TokenType.COMMENT):
 500                    opt = exp.IndexConstraintOption(comment=self._parse_string())
 501                elif self._match_text_seq("VISIBLE"):
 502                    opt = exp.IndexConstraintOption(visible=True)
 503                elif self._match_text_seq("INVISIBLE"):
 504                    opt = exp.IndexConstraintOption(visible=False)
 505                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
 506                    self._match(TokenType.EQ)
 507                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
 508                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
 509                    self._match(TokenType.EQ)
 510                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
 511                else:
 512                    opt = None
 513
 514                if not opt:
 515                    break
 516
 517                options.append(opt)
 518
 519            return self.expression(
 520                exp.IndexColumnConstraint,
 521                this=this,
 522                expressions=expressions,
 523                kind=kind,
 524                index_type=index_type,
 525                options=options,
 526            )
 527
 528        def _parse_show_mysql(
 529            self,
 530            this: str,
 531            target: bool | str = False,
 532            full: t.Optional[bool] = None,
 533            global_: t.Optional[bool] = None,
 534        ) -> exp.Show:
 535            if target:
 536                if isinstance(target, str):
 537                    self._match_text_seq(target)
 538                target_id = self._parse_id_var()
 539            else:
 540                target_id = None
 541
 542            log = self._parse_string() if self._match_text_seq("IN") else None
 543
 544            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
 545                position = self._parse_number() if self._match_text_seq("FROM") else None
 546                db = None
 547            else:
 548                position = None
 549                db = None
 550
 551                if self._match(TokenType.FROM):
 552                    db = self._parse_id_var()
 553                elif self._match(TokenType.DOT):
 554                    db = target_id
 555                    target_id = self._parse_id_var()
 556
 557            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
 558
 559            like = self._parse_string() if self._match_text_seq("LIKE") else None
 560            where = self._parse_where()
 561
 562            if this == "PROFILE":
 563                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
 564                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
 565                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
 566                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
 567            else:
 568                types, query = None, None
 569                offset, limit = self._parse_oldstyle_limit()
 570
 571            mutex = True if self._match_text_seq("MUTEX") else None
 572            mutex = False if self._match_text_seq("STATUS") else mutex
 573
 574            return self.expression(
 575                exp.Show,
 576                this=this,
 577                target=target_id,
 578                full=full,
 579                log=log,
 580                position=position,
 581                db=db,
 582                channel=channel,
 583                like=like,
 584                where=where,
 585                types=types,
 586                query=query,
 587                offset=offset,
 588                limit=limit,
 589                mutex=mutex,
 590                **{"global": global_},  # type: ignore
 591            )
 592
 593        def _parse_oldstyle_limit(
 594            self,
 595        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
 596            limit = None
 597            offset = None
 598            if self._match_text_seq("LIMIT"):
 599                parts = self._parse_csv(self._parse_number)
 600                if len(parts) == 1:
 601                    limit = parts[0]
 602                elif len(parts) == 2:
 603                    limit = parts[1]
 604                    offset = parts[0]
 605
 606            return offset, limit
 607
 608        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
 609            this = self._parse_string() or self._parse_unquoted_field()
 610            return self.expression(exp.SetItem, this=this, kind=kind)
 611
 612        def _parse_set_item_names(self) -> exp.Expression:
 613            charset = self._parse_string() or self._parse_unquoted_field()
 614            if self._match_text_seq("COLLATE"):
 615                collate = self._parse_string() or self._parse_unquoted_field()
 616            else:
 617                collate = None
 618
 619            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
 620
 621        def _parse_type(
 622            self, parse_interval: bool = True, fallback_to_identifier: bool = False
 623        ) -> t.Optional[exp.Expression]:
 624            # mysql binary is special and can work anywhere, even in order by operations
 625            # it operates like a no paren func
 626            if self._match(TokenType.BINARY, advance=False):
 627                data_type = self._parse_types(check_func=True, allow_identifiers=False)
 628
 629                if isinstance(data_type, exp.DataType):
 630                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
 631
 632            return super()._parse_type(
 633                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
 634            )
 635
 636        def _parse_chr(self) -> t.Optional[exp.Expression]:
 637            expressions = self._parse_csv(self._parse_assignment)
 638            kwargs: t.Dict[str, t.Any] = {"this": seq_get(expressions, 0)}
 639
 640            if len(expressions) > 1:
 641                kwargs["expressions"] = expressions[1:]
 642
 643            if self._match(TokenType.USING):
 644                kwargs["charset"] = self._parse_var()
 645
 646            return self.expression(exp.Chr, **kwargs)
 647
 648        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
 649            def concat_exprs(
 650                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
 651            ) -> exp.Expression:
 652                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
 653                    concat_exprs = [
 654                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
 655                    ]
 656                    node.set("expressions", concat_exprs)
 657                    return node
 658                if len(exprs) == 1:
 659                    return exprs[0]
 660                return self.expression(exp.Concat, expressions=args, safe=True)
 661
 662            args = self._parse_csv(self._parse_lambda)
 663
 664            if args:
 665                order = args[-1] if isinstance(args[-1], exp.Order) else None
 666
 667                if order:
 668                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
 669                    # remove 'expr' from exp.Order and add it back to args
 670                    args[-1] = order.this
 671                    order.set("this", concat_exprs(order.this, args))
 672
 673                this = order or concat_exprs(args[0], args)
 674            else:
 675                this = None
 676
 677            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
 678
 679            return self.expression(exp.GroupConcat, this=this, separator=separator)
 680
 681    class Generator(generator.Generator):
 682        INTERVAL_ALLOWS_PLURAL_FORM = False
 683        LOCKING_READS_SUPPORTED = True
 684        NULL_ORDERING_SUPPORTED = None
 685        JOIN_HINTS = False
 686        TABLE_HINTS = True
 687        DUPLICATE_KEY_UPDATE_WITH_SET = False
 688        QUERY_HINT_SEP = " "
 689        VALUES_AS_TABLE = False
 690        NVL2_SUPPORTED = False
 691        LAST_DAY_SUPPORTS_DATE_PART = False
 692        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
 693        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
 694        JSON_KEY_VALUE_PAIR_SEP = ","
 695        SUPPORTS_TO_NUMBER = False
 696        PARSE_JSON_NAME = None
 697        PAD_FILL_PATTERN_IS_REQUIRED = True
 698        WRAP_DERIVED_VALUES = False
 699
 700        TRANSFORMS = {
 701            **generator.Generator.TRANSFORMS,
 702            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
 703            exp.CurrentDate: no_paren_current_date_sql,
 704            exp.DateDiff: _remove_ts_or_ds_to_date(
 705                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
 706            ),
 707            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
 708            exp.DateStrToDate: datestrtodate_sql,
 709            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
 710            exp.DateTrunc: _date_trunc_sql,
 711            exp.Day: _remove_ts_or_ds_to_date(),
 712            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
 713            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
 714            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
 715            exp.GroupConcat: lambda self,
 716            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
 717            exp.ILike: no_ilike_sql,
 718            exp.JSONExtractScalar: arrow_json_extract_sql,
 719            exp.Max: max_or_greatest,
 720            exp.Min: min_or_least,
 721            exp.Month: _remove_ts_or_ds_to_date(),
 722            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
 723            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
 724            exp.Pivot: no_pivot_sql,
 725            exp.Select: transforms.preprocess(
 726                [
 727                    transforms.eliminate_distinct_on,
 728                    transforms.eliminate_semi_and_anti_joins,
 729                    transforms.eliminate_qualify,
 730                    transforms.eliminate_full_outer_join,
 731                    transforms.unnest_generate_date_array_using_recursive_cte,
 732                ]
 733            ),
 734            exp.StrPosition: strposition_to_locate_sql,
 735            exp.StrToDate: _str_to_date_sql,
 736            exp.StrToTime: _str_to_date_sql,
 737            exp.Stuff: rename_func("INSERT"),
 738            exp.TableSample: no_tablesample_sql,
 739            exp.TimeFromParts: rename_func("MAKETIME"),
 740            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
 741            exp.TimestampDiff: lambda self, e: self.func(
 742                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
 743            ),
 744            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
 745            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
 746            exp.TimeStrToTime: lambda self, e: self.sql(
 747                exp.cast(e.this, exp.DataType.Type.DATETIME, copy=True)
 748            ),
 749            exp.TimeToStr: _remove_ts_or_ds_to_date(
 750                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
 751            ),
 752            exp.Trim: _trim_sql,
 753            exp.TryCast: no_trycast_sql,
 754            exp.TsOrDsAdd: date_add_sql("ADD"),
 755            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
 756            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
 757            exp.UnixToTime: _unix_to_time_sql,
 758            exp.Week: _remove_ts_or_ds_to_date(),
 759            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
 760            exp.Year: _remove_ts_or_ds_to_date(),
 761        }
 762
 763        UNSIGNED_TYPE_MAPPING = {
 764            exp.DataType.Type.UBIGINT: "BIGINT",
 765            exp.DataType.Type.UINT: "INT",
 766            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
 767            exp.DataType.Type.USMALLINT: "SMALLINT",
 768            exp.DataType.Type.UTINYINT: "TINYINT",
 769            exp.DataType.Type.UDECIMAL: "DECIMAL",
 770        }
 771
 772        TIMESTAMP_TYPE_MAPPING = {
 773            exp.DataType.Type.TIMESTAMP: "DATETIME",
 774            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
 775            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
 776        }
 777
 778        TYPE_MAPPING = {
 779            **generator.Generator.TYPE_MAPPING,
 780            **UNSIGNED_TYPE_MAPPING,
 781            **TIMESTAMP_TYPE_MAPPING,
 782        }
 783
 784        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
 785        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
 786        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
 787        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
 788        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
 789        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
 790
 791        PROPERTIES_LOCATION = {
 792            **generator.Generator.PROPERTIES_LOCATION,
 793            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
 794            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
 795        }
 796
 797        LIMIT_FETCH = "LIMIT"
 798
 799        LIMIT_ONLY_LITERALS = True
 800
 801        CHAR_CAST_MAPPING = dict.fromkeys(
 802            (
 803                exp.DataType.Type.LONGTEXT,
 804                exp.DataType.Type.LONGBLOB,
 805                exp.DataType.Type.MEDIUMBLOB,
 806                exp.DataType.Type.MEDIUMTEXT,
 807                exp.DataType.Type.TEXT,
 808                exp.DataType.Type.TINYBLOB,
 809                exp.DataType.Type.TINYTEXT,
 810                exp.DataType.Type.VARCHAR,
 811            ),
 812            "CHAR",
 813        )
 814        SIGNED_CAST_MAPPING = dict.fromkeys(
 815            (
 816                exp.DataType.Type.BIGINT,
 817                exp.DataType.Type.BOOLEAN,
 818                exp.DataType.Type.INT,
 819                exp.DataType.Type.SMALLINT,
 820                exp.DataType.Type.TINYINT,
 821                exp.DataType.Type.MEDIUMINT,
 822            ),
 823            "SIGNED",
 824        )
 825
 826        # MySQL doesn't support many datatypes in cast.
 827        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
 828        CAST_MAPPING = {
 829            **CHAR_CAST_MAPPING,
 830            **SIGNED_CAST_MAPPING,
 831            exp.DataType.Type.UBIGINT: "UNSIGNED",
 832        }
 833
 834        TIMESTAMP_FUNC_TYPES = {
 835            exp.DataType.Type.TIMESTAMPTZ,
 836            exp.DataType.Type.TIMESTAMPLTZ,
 837        }
 838
 839        # https://dev.mysql.com/doc/refman/8.0/en/keywords.html
 840        RESERVED_KEYWORDS = {
 841            "accessible",
 842            "add",
 843            "all",
 844            "alter",
 845            "analyze",
 846            "and",
 847            "as",
 848            "asc",
 849            "asensitive",
 850            "before",
 851            "between",
 852            "bigint",
 853            "binary",
 854            "blob",
 855            "both",
 856            "by",
 857            "call",
 858            "cascade",
 859            "case",
 860            "change",
 861            "char",
 862            "character",
 863            "check",
 864            "collate",
 865            "column",
 866            "condition",
 867            "constraint",
 868            "continue",
 869            "convert",
 870            "create",
 871            "cross",
 872            "cube",
 873            "cume_dist",
 874            "current_date",
 875            "current_time",
 876            "current_timestamp",
 877            "current_user",
 878            "cursor",
 879            "database",
 880            "databases",
 881            "day_hour",
 882            "day_microsecond",
 883            "day_minute",
 884            "day_second",
 885            "dec",
 886            "decimal",
 887            "declare",
 888            "default",
 889            "delayed",
 890            "delete",
 891            "dense_rank",
 892            "desc",
 893            "describe",
 894            "deterministic",
 895            "distinct",
 896            "distinctrow",
 897            "div",
 898            "double",
 899            "drop",
 900            "dual",
 901            "each",
 902            "else",
 903            "elseif",
 904            "empty",
 905            "enclosed",
 906            "escaped",
 907            "except",
 908            "exists",
 909            "exit",
 910            "explain",
 911            "false",
 912            "fetch",
 913            "first_value",
 914            "float",
 915            "float4",
 916            "float8",
 917            "for",
 918            "force",
 919            "foreign",
 920            "from",
 921            "fulltext",
 922            "function",
 923            "generated",
 924            "get",
 925            "grant",
 926            "group",
 927            "grouping",
 928            "groups",
 929            "having",
 930            "high_priority",
 931            "hour_microsecond",
 932            "hour_minute",
 933            "hour_second",
 934            "if",
 935            "ignore",
 936            "in",
 937            "index",
 938            "infile",
 939            "inner",
 940            "inout",
 941            "insensitive",
 942            "insert",
 943            "int",
 944            "int1",
 945            "int2",
 946            "int3",
 947            "int4",
 948            "int8",
 949            "integer",
 950            "intersect",
 951            "interval",
 952            "into",
 953            "io_after_gtids",
 954            "io_before_gtids",
 955            "is",
 956            "iterate",
 957            "join",
 958            "json_table",
 959            "key",
 960            "keys",
 961            "kill",
 962            "lag",
 963            "last_value",
 964            "lateral",
 965            "lead",
 966            "leading",
 967            "leave",
 968            "left",
 969            "like",
 970            "limit",
 971            "linear",
 972            "lines",
 973            "load",
 974            "localtime",
 975            "localtimestamp",
 976            "lock",
 977            "long",
 978            "longblob",
 979            "longtext",
 980            "loop",
 981            "low_priority",
 982            "master_bind",
 983            "master_ssl_verify_server_cert",
 984            "match",
 985            "maxvalue",
 986            "mediumblob",
 987            "mediumint",
 988            "mediumtext",
 989            "middleint",
 990            "minute_microsecond",
 991            "minute_second",
 992            "mod",
 993            "modifies",
 994            "natural",
 995            "not",
 996            "no_write_to_binlog",
 997            "nth_value",
 998            "ntile",
 999            "null",
1000            "numeric",
1001            "of",
1002            "on",
1003            "optimize",
1004            "optimizer_costs",
1005            "option",
1006            "optionally",
1007            "or",
1008            "order",
1009            "out",
1010            "outer",
1011            "outfile",
1012            "over",
1013            "partition",
1014            "percent_rank",
1015            "precision",
1016            "primary",
1017            "procedure",
1018            "purge",
1019            "range",
1020            "rank",
1021            "read",
1022            "reads",
1023            "read_write",
1024            "real",
1025            "recursive",
1026            "references",
1027            "regexp",
1028            "release",
1029            "rename",
1030            "repeat",
1031            "replace",
1032            "require",
1033            "resignal",
1034            "restrict",
1035            "return",
1036            "revoke",
1037            "right",
1038            "rlike",
1039            "row",
1040            "rows",
1041            "row_number",
1042            "schema",
1043            "schemas",
1044            "second_microsecond",
1045            "select",
1046            "sensitive",
1047            "separator",
1048            "set",
1049            "show",
1050            "signal",
1051            "smallint",
1052            "spatial",
1053            "specific",
1054            "sql",
1055            "sqlexception",
1056            "sqlstate",
1057            "sqlwarning",
1058            "sql_big_result",
1059            "sql_calc_found_rows",
1060            "sql_small_result",
1061            "ssl",
1062            "starting",
1063            "stored",
1064            "straight_join",
1065            "system",
1066            "table",
1067            "terminated",
1068            "then",
1069            "tinyblob",
1070            "tinyint",
1071            "tinytext",
1072            "to",
1073            "trailing",
1074            "trigger",
1075            "true",
1076            "undo",
1077            "union",
1078            "unique",
1079            "unlock",
1080            "unsigned",
1081            "update",
1082            "usage",
1083            "use",
1084            "using",
1085            "utc_date",
1086            "utc_time",
1087            "utc_timestamp",
1088            "values",
1089            "varbinary",
1090            "varchar",
1091            "varcharacter",
1092            "varying",
1093            "virtual",
1094            "when",
1095            "where",
1096            "while",
1097            "window",
1098            "with",
1099            "write",
1100            "xor",
1101            "year_month",
1102            "zerofill",
1103        }
1104
1105        def array_sql(self, expression: exp.Array) -> str:
1106            self.unsupported("Arrays are not supported by MySQL")
1107            return self.function_fallback_sql(expression)
1108
1109        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1110            self.unsupported("Array operations are not supported by MySQL")
1111            return self.function_fallback_sql(expression)
1112
1113        def dpipe_sql(self, expression: exp.DPipe) -> str:
1114            return self.func("CONCAT", *expression.flatten())
1115
1116        def extract_sql(self, expression: exp.Extract) -> str:
1117            unit = expression.name
1118            if unit and unit.lower() == "epoch":
1119                return self.func("UNIX_TIMESTAMP", expression.expression)
1120
1121            return super().extract_sql(expression)
1122
1123        def datatype_sql(self, expression: exp.DataType) -> str:
1124            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1125            result = super().datatype_sql(expression)
1126            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1127                result = f"{result} UNSIGNED"
1128            return result
1129
1130        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1131            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
1132
1133        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1134            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1135                return self.func("TIMESTAMP", expression.this)
1136
1137            to = self.CAST_MAPPING.get(expression.to.this)
1138
1139            if to:
1140                expression.to.set("this", to)
1141            return super().cast_sql(expression)
1142
1143        def show_sql(self, expression: exp.Show) -> str:
1144            this = f" {expression.name}"
1145            full = " FULL" if expression.args.get("full") else ""
1146            global_ = " GLOBAL" if expression.args.get("global") else ""
1147
1148            target = self.sql(expression, "target")
1149            target = f" {target}" if target else ""
1150            if expression.name in ("COLUMNS", "INDEX"):
1151                target = f" FROM{target}"
1152            elif expression.name == "GRANTS":
1153                target = f" FOR{target}"
1154
1155            db = self._prefixed_sql("FROM", expression, "db")
1156
1157            like = self._prefixed_sql("LIKE", expression, "like")
1158            where = self.sql(expression, "where")
1159
1160            types = self.expressions(expression, key="types")
1161            types = f" {types}" if types else types
1162            query = self._prefixed_sql("FOR QUERY", expression, "query")
1163
1164            if expression.name == "PROFILE":
1165                offset = self._prefixed_sql("OFFSET", expression, "offset")
1166                limit = self._prefixed_sql("LIMIT", expression, "limit")
1167            else:
1168                offset = ""
1169                limit = self._oldstyle_limit_sql(expression)
1170
1171            log = self._prefixed_sql("IN", expression, "log")
1172            position = self._prefixed_sql("FROM", expression, "position")
1173
1174            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1175
1176            if expression.name == "ENGINE":
1177                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1178            else:
1179                mutex_or_status = ""
1180
1181            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
1182
1183        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1184            dtype = self.sql(expression, "dtype")
1185            if not dtype:
1186                return super().altercolumn_sql(expression)
1187
1188            this = self.sql(expression, "this")
1189            return f"MODIFY COLUMN {this} {dtype}"
1190
1191        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
1192            sql = self.sql(expression, arg)
1193            return f" {prefix} {sql}" if sql else ""
1194
1195        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
1196            limit = self.sql(expression, "limit")
1197            offset = self.sql(expression, "offset")
1198            if limit:
1199                limit_offset = f"{offset}, {limit}" if offset else limit
1200                return f" LIMIT {limit_offset}"
1201            return ""
1202
1203        def chr_sql(self, expression: exp.Chr) -> str:
1204            this = self.expressions(sqls=[expression.this] + expression.expressions)
1205            charset = expression.args.get("charset")
1206            using = f" USING {self.sql(charset)}" if charset else ""
1207            return f"CHAR({this}{using})"
1208
1209        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1210            unit = expression.args.get("unit")
1211
1212            # Pick an old-enough date to avoid negative timestamp diffs
1213            start_ts = "'0000-01-01 00:00:00'"
1214
1215            # Source: https://stackoverflow.com/a/32955740
1216            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1217            interval = exp.Interval(this=timestamp_diff, unit=unit)
1218            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1219
1220            return self.sql(dateadd)
1221
1222        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1223            from_tz = expression.args.get("source_tz")
1224            to_tz = expression.args.get("target_tz")
1225            dt = expression.args.get("timestamp")
1226
1227            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
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 = {}
ESCAPED_SEQUENCES: Dict[str, str] = {'\x07': '\\a', '\x08': '\\b', '\x0c': '\\f', '\n': '\\n', '\r': '\\r', '\t': '\\t', '\x0b': '\\v', '\\': '\\\\'}
QUOTE_START = "'"
QUOTE_END = "'"
IDENTIFIER_START = '`'
IDENTIFIER_END = '`'
BIT_START: Optional[str] = "b'"
BIT_END: Optional[str] = "'"
HEX_START: Optional[str] = "x'"
HEX_END: Optional[str] = "'"
BYTE_START: Optional[str] = None
BYTE_END: Optional[str] = None
UNICODE_START: Optional[str] = None
UNICODE_END: Optional[str] = None
class MySQL.Tokenizer(sqlglot.tokens.Tokenizer):
193    class Tokenizer(tokens.Tokenizer):
194        QUOTES = ["'", '"']
195        COMMENTS = ["--", "#", ("/*", "*/")]
196        IDENTIFIERS = ["`"]
197        STRING_ESCAPES = ["'", '"', "\\"]
198        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
199        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
200
201        KEYWORDS = {
202            **tokens.Tokenizer.KEYWORDS,
203            "CHARSET": TokenType.CHARACTER_SET,
204            "FORCE": TokenType.FORCE,
205            "IGNORE": TokenType.IGNORE,
206            "KEY": TokenType.KEY,
207            "LOCK TABLES": TokenType.COMMAND,
208            "LONGBLOB": TokenType.LONGBLOB,
209            "LONGTEXT": TokenType.LONGTEXT,
210            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
211            "TINYBLOB": TokenType.TINYBLOB,
212            "TINYTEXT": TokenType.TINYTEXT,
213            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
214            "MEDIUMINT": TokenType.MEDIUMINT,
215            "MEMBER OF": TokenType.MEMBER_OF,
216            "SEPARATOR": TokenType.SEPARATOR,
217            "START": TokenType.BEGIN,
218            "SIGNED": TokenType.BIGINT,
219            "SIGNED INTEGER": TokenType.BIGINT,
220            "UNLOCK TABLES": TokenType.COMMAND,
221            "UNSIGNED": TokenType.UBIGINT,
222            "UNSIGNED INTEGER": TokenType.UBIGINT,
223            "YEAR": TokenType.YEAR,
224            "_ARMSCII8": TokenType.INTRODUCER,
225            "_ASCII": TokenType.INTRODUCER,
226            "_BIG5": TokenType.INTRODUCER,
227            "_BINARY": TokenType.INTRODUCER,
228            "_CP1250": TokenType.INTRODUCER,
229            "_CP1251": TokenType.INTRODUCER,
230            "_CP1256": TokenType.INTRODUCER,
231            "_CP1257": TokenType.INTRODUCER,
232            "_CP850": TokenType.INTRODUCER,
233            "_CP852": TokenType.INTRODUCER,
234            "_CP866": TokenType.INTRODUCER,
235            "_CP932": TokenType.INTRODUCER,
236            "_DEC8": TokenType.INTRODUCER,
237            "_EUCJPMS": TokenType.INTRODUCER,
238            "_EUCKR": TokenType.INTRODUCER,
239            "_GB18030": TokenType.INTRODUCER,
240            "_GB2312": TokenType.INTRODUCER,
241            "_GBK": TokenType.INTRODUCER,
242            "_GEOSTD8": TokenType.INTRODUCER,
243            "_GREEK": TokenType.INTRODUCER,
244            "_HEBREW": TokenType.INTRODUCER,
245            "_HP8": TokenType.INTRODUCER,
246            "_KEYBCS2": TokenType.INTRODUCER,
247            "_KOI8R": TokenType.INTRODUCER,
248            "_KOI8U": TokenType.INTRODUCER,
249            "_LATIN1": TokenType.INTRODUCER,
250            "_LATIN2": TokenType.INTRODUCER,
251            "_LATIN5": TokenType.INTRODUCER,
252            "_LATIN7": TokenType.INTRODUCER,
253            "_MACCE": TokenType.INTRODUCER,
254            "_MACROMAN": TokenType.INTRODUCER,
255            "_SJIS": TokenType.INTRODUCER,
256            "_SWE7": TokenType.INTRODUCER,
257            "_TIS620": TokenType.INTRODUCER,
258            "_UCS2": TokenType.INTRODUCER,
259            "_UJIS": TokenType.INTRODUCER,
260            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
261            "_UTF8": TokenType.INTRODUCER,
262            "_UTF16": TokenType.INTRODUCER,
263            "_UTF16LE": TokenType.INTRODUCER,
264            "_UTF32": TokenType.INTRODUCER,
265            "_UTF8MB3": TokenType.INTRODUCER,
266            "_UTF8MB4": TokenType.INTRODUCER,
267            "@@": TokenType.SESSION_PARAMETER,
268        }
269
270        COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW}
QUOTES = ["'", '"']
COMMENTS = ['--', '#', ('/*', '*/')]
IDENTIFIERS = ['`']
STRING_ESCAPES = ["'", '"', '\\']
BIT_STRINGS = [("b'", "'"), ("B'", "'"), ('0b', '')]
HEX_STRINGS = [("x'", "'"), ("X'", "'"), ('0x', '')]
KEYWORDS = {'{%': <TokenType.BLOCK_START: 'BLOCK_START'>, '{%+': <TokenType.BLOCK_START: 'BLOCK_START'>, '{%-': <TokenType.BLOCK_START: 'BLOCK_START'>, '%}': <TokenType.BLOCK_END: 'BLOCK_END'>, '+%}': <TokenType.BLOCK_END: 'BLOCK_END'>, '-%}': <TokenType.BLOCK_END: 'BLOCK_END'>, '{{+': <TokenType.BLOCK_START: 'BLOCK_START'>, '{{-': <TokenType.BLOCK_START: 'BLOCK_START'>, '+}}': <TokenType.BLOCK_END: 'BLOCK_END'>, '-}}': <TokenType.BLOCK_END: 'BLOCK_END'>, '/*+': <TokenType.HINT: 'HINT'>, '==': <TokenType.EQ: 'EQ'>, '::': <TokenType.DCOLON: 'DCOLON'>, '||': <TokenType.DPIPE: 'DPIPE'>, '>=': <TokenType.GTE: 'GTE'>, '<=': <TokenType.LTE: 'LTE'>, '<>': <TokenType.NEQ: 'NEQ'>, '!=': <TokenType.NEQ: 'NEQ'>, ':=': <TokenType.COLON_EQ: 'COLON_EQ'>, '<=>': <TokenType.NULLSAFE_EQ: 'NULLSAFE_EQ'>, '->': <TokenType.ARROW: 'ARROW'>, '->>': <TokenType.DARROW: 'DARROW'>, '=>': <TokenType.FARROW: 'FARROW'>, '#>': <TokenType.HASH_ARROW: 'HASH_ARROW'>, '#>>': <TokenType.DHASH_ARROW: 'DHASH_ARROW'>, '<->': <TokenType.LR_ARROW: 'LR_ARROW'>, '&&': <TokenType.DAMP: 'DAMP'>, '??': <TokenType.DQMARK: 'DQMARK'>, 'ALL': <TokenType.ALL: 'ALL'>, 'ALWAYS': <TokenType.ALWAYS: 'ALWAYS'>, 'AND': <TokenType.AND: 'AND'>, 'ANTI': <TokenType.ANTI: 'ANTI'>, 'ANY': <TokenType.ANY: 'ANY'>, 'ASC': <TokenType.ASC: 'ASC'>, 'AS': <TokenType.ALIAS: 'ALIAS'>, 'ASOF': <TokenType.ASOF: 'ASOF'>, 'AUTOINCREMENT': <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, 'AUTO_INCREMENT': <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, 'BEGIN': <TokenType.BEGIN: 'BEGIN'>, 'BETWEEN': <TokenType.BETWEEN: 'BETWEEN'>, 'CACHE': <TokenType.CACHE: 'CACHE'>, 'UNCACHE': <TokenType.UNCACHE: 'UNCACHE'>, 'CASE': <TokenType.CASE: 'CASE'>, 'CHARACTER SET': <TokenType.CHARACTER_SET: 'CHARACTER_SET'>, 'CLUSTER BY': <TokenType.CLUSTER_BY: 'CLUSTER_BY'>, 'COLLATE': <TokenType.COLLATE: 'COLLATE'>, 'COLUMN': <TokenType.COLUMN: 'COLUMN'>, 'COMMIT': <TokenType.COMMIT: 'COMMIT'>, 'CONNECT BY': <TokenType.CONNECT_BY: 'CONNECT_BY'>, 'CONSTRAINT': <TokenType.CONSTRAINT: 'CONSTRAINT'>, 'COPY': <TokenType.COPY: 'COPY'>, 'CREATE': <TokenType.CREATE: 'CREATE'>, 'CROSS': <TokenType.CROSS: 'CROSS'>, 'CUBE': <TokenType.CUBE: 'CUBE'>, 'CURRENT_DATE': <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, 'CURRENT_TIME': <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, 'CURRENT_TIMESTAMP': <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, 'CURRENT_USER': <TokenType.CURRENT_USER: 'CURRENT_USER'>, 'DATABASE': <TokenType.DATABASE: 'DATABASE'>, 'DEFAULT': <TokenType.DEFAULT: 'DEFAULT'>, 'DELETE': <TokenType.DELETE: 'DELETE'>, 'DESC': <TokenType.DESC: 'DESC'>, 'DESCRIBE': <TokenType.DESCRIBE: 'DESCRIBE'>, 'DISTINCT': <TokenType.DISTINCT: 'DISTINCT'>, 'DISTRIBUTE BY': <TokenType.DISTRIBUTE_BY: 'DISTRIBUTE_BY'>, 'DIV': <TokenType.DIV: 'DIV'>, 'DROP': <TokenType.DROP: 'DROP'>, 'ELSE': <TokenType.ELSE: 'ELSE'>, 'END': <TokenType.END: 'END'>, 'ENUM': <TokenType.ENUM: 'ENUM'>, 'ESCAPE': <TokenType.ESCAPE: 'ESCAPE'>, 'EXCEPT': <TokenType.EXCEPT: 'EXCEPT'>, 'EXECUTE': <TokenType.EXECUTE: 'EXECUTE'>, 'EXISTS': <TokenType.EXISTS: 'EXISTS'>, 'FALSE': <TokenType.FALSE: 'FALSE'>, 'FETCH': <TokenType.FETCH: 'FETCH'>, 'FILTER': <TokenType.FILTER: 'FILTER'>, 'FIRST': <TokenType.FIRST: 'FIRST'>, 'FULL': <TokenType.FULL: 'FULL'>, 'FUNCTION': <TokenType.FUNCTION: 'FUNCTION'>, 'FOR': <TokenType.FOR: 'FOR'>, 'FOREIGN KEY': <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, 'FORMAT': <TokenType.FORMAT: 'FORMAT'>, 'FROM': <TokenType.FROM: 'FROM'>, 'GEOGRAPHY': <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, 'GEOMETRY': <TokenType.GEOMETRY: 'GEOMETRY'>, 'GLOB': <TokenType.GLOB: 'GLOB'>, 'GROUP BY': <TokenType.GROUP_BY: 'GROUP_BY'>, 'GROUPING SETS': <TokenType.GROUPING_SETS: 'GROUPING_SETS'>, 'HAVING': <TokenType.HAVING: 'HAVING'>, 'ILIKE': <TokenType.ILIKE: 'ILIKE'>, 'IN': <TokenType.IN: 'IN'>, 'INDEX': <TokenType.INDEX: 'INDEX'>, 'INET': <TokenType.INET: 'INET'>, 'INNER': <TokenType.INNER: 'INNER'>, 'INSERT': <TokenType.INSERT: 'INSERT'>, 'INTERVAL': <TokenType.INTERVAL: 'INTERVAL'>, 'INTERSECT': <TokenType.INTERSECT: 'INTERSECT'>, 'INTO': <TokenType.INTO: 'INTO'>, 'IS': <TokenType.IS: 'IS'>, 'ISNULL': <TokenType.ISNULL: 'ISNULL'>, 'JOIN': <TokenType.JOIN: 'JOIN'>, 'KEEP': <TokenType.KEEP: 'KEEP'>, 'KILL': <TokenType.KILL: 'KILL'>, 'LATERAL': <TokenType.LATERAL: 'LATERAL'>, 'LEFT': <TokenType.LEFT: 'LEFT'>, 'LIKE': <TokenType.LIKE: 'LIKE'>, 'LIMIT': <TokenType.LIMIT: 'LIMIT'>, 'LOAD': <TokenType.LOAD: 'LOAD'>, 'LOCK': <TokenType.LOCK: 'LOCK'>, 'MERGE': <TokenType.MERGE: 'MERGE'>, 'NATURAL': <TokenType.NATURAL: 'NATURAL'>, 'NEXT': <TokenType.NEXT: 'NEXT'>, 'NOT': <TokenType.NOT: 'NOT'>, 'NOTNULL': <TokenType.NOTNULL: 'NOTNULL'>, 'NULL': <TokenType.NULL: 'NULL'>, 'OBJECT': <TokenType.OBJECT: 'OBJECT'>, 'OFFSET': <TokenType.OFFSET: 'OFFSET'>, 'ON': <TokenType.ON: 'ON'>, 'OR': <TokenType.OR: 'OR'>, 'XOR': <TokenType.XOR: 'XOR'>, 'ORDER BY': <TokenType.ORDER_BY: 'ORDER_BY'>, 'ORDINALITY': <TokenType.ORDINALITY: 'ORDINALITY'>, 'OUTER': <TokenType.OUTER: 'OUTER'>, 'OVER': <TokenType.OVER: 'OVER'>, 'OVERLAPS': <TokenType.OVERLAPS: 'OVERLAPS'>, 'OVERWRITE': <TokenType.OVERWRITE: 'OVERWRITE'>, 'PARTITION': <TokenType.PARTITION: 'PARTITION'>, 'PARTITION BY': <TokenType.PARTITION_BY: 'PARTITION_BY'>, 'PARTITIONED BY': <TokenType.PARTITION_BY: 'PARTITION_BY'>, 'PARTITIONED_BY': <TokenType.PARTITION_BY: 'PARTITION_BY'>, 'PERCENT': <TokenType.PERCENT: 'PERCENT'>, 'PIVOT': <TokenType.PIVOT: 'PIVOT'>, 'PRAGMA': <TokenType.PRAGMA: 'PRAGMA'>, 'PRIMARY KEY': <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, 'PROCEDURE': <TokenType.PROCEDURE: 'PROCEDURE'>, 'QUALIFY': <TokenType.QUALIFY: 'QUALIFY'>, 'RANGE': <TokenType.RANGE: 'RANGE'>, 'RECURSIVE': <TokenType.RECURSIVE: 'RECURSIVE'>, 'REGEXP': <TokenType.RLIKE: 'RLIKE'>, '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'>, 'INT2': <TokenType.SMALLINT: 'SMALLINT'>, 'INTEGER': <TokenType.INT: 'INT'>, 'INT': <TokenType.INT: 'INT'>, 'INT4': <TokenType.INT: 'INT'>, 'INT32': <TokenType.INT: 'INT'>, 'INT64': <TokenType.BIGINT: 'BIGINT'>, 'LONG': <TokenType.BIGINT: 'BIGINT'>, 'BIGINT': <TokenType.BIGINT: 'BIGINT'>, 'INT8': <TokenType.TINYINT: 'TINYINT'>, 'UINT': <TokenType.UINT: 'UINT'>, 'DEC': <TokenType.DECIMAL: 'DECIMAL'>, 'DECIMAL': <TokenType.DECIMAL: 'DECIMAL'>, 'BIGDECIMAL': <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, 'BIGNUMERIC': <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, 'LIST': <TokenType.LIST: 'LIST'>, 'MAP': <TokenType.MAP: 'MAP'>, 'NULLABLE': <TokenType.NULLABLE: 'NULLABLE'>, 'NUMBER': <TokenType.DECIMAL: 'DECIMAL'>, 'NUMERIC': <TokenType.DECIMAL: 'DECIMAL'>, 'FIXED': <TokenType.DECIMAL: 'DECIMAL'>, 'REAL': <TokenType.FLOAT: 'FLOAT'>, 'FLOAT': <TokenType.FLOAT: 'FLOAT'>, 'FLOAT4': <TokenType.FLOAT: 'FLOAT'>, 'FLOAT8': <TokenType.DOUBLE: 'DOUBLE'>, 'DOUBLE': <TokenType.DOUBLE: 'DOUBLE'>, 'DOUBLE PRECISION': <TokenType.DOUBLE: 'DOUBLE'>, 'JSON': <TokenType.JSON: 'JSON'>, 'JSONB': <TokenType.JSONB: 'JSONB'>, 'CHAR': <TokenType.CHAR: 'CHAR'>, 'CHARACTER': <TokenType.CHAR: 'CHAR'>, 'NCHAR': <TokenType.NCHAR: 'NCHAR'>, 'VARCHAR': <TokenType.VARCHAR: 'VARCHAR'>, 'VARCHAR2': <TokenType.VARCHAR: 'VARCHAR'>, 'NVARCHAR': <TokenType.NVARCHAR: 'NVARCHAR'>, 'NVARCHAR2': <TokenType.NVARCHAR: 'NVARCHAR'>, 'BPCHAR': <TokenType.BPCHAR: 'BPCHAR'>, 'STR': <TokenType.TEXT: 'TEXT'>, 'STRING': <TokenType.TEXT: 'TEXT'>, 'TEXT': <TokenType.TEXT: 'TEXT'>, 'LONGTEXT': <TokenType.LONGTEXT: 'LONGTEXT'>, 'MEDIUMTEXT': <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, 'TINYTEXT': <TokenType.TINYTEXT: 'TINYTEXT'>, 'CLOB': <TokenType.TEXT: 'TEXT'>, 'LONGVARCHAR': <TokenType.TEXT: 'TEXT'>, 'BINARY': <TokenType.BINARY: 'BINARY'>, 'BLOB': <TokenType.VARBINARY: 'VARBINARY'>, 'LONGBLOB': <TokenType.LONGBLOB: 'LONGBLOB'>, 'MEDIUMBLOB': <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, 'TINYBLOB': <TokenType.TINYBLOB: 'TINYBLOB'>, 'BYTEA': <TokenType.VARBINARY: 'VARBINARY'>, 'VARBINARY': <TokenType.VARBINARY: 'VARBINARY'>, 'TIME': <TokenType.TIME: 'TIME'>, 'TIMETZ': <TokenType.TIMETZ: 'TIMETZ'>, 'TIMESTAMP': <TokenType.TIMESTAMP: 'TIMESTAMP'>, 'TIMESTAMPTZ': <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, 'TIMESTAMPLTZ': <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, 'TIMESTAMP_LTZ': <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, 'TIMESTAMPNTZ': <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, 'TIMESTAMP_NTZ': <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, 'DATE': <TokenType.DATE: 'DATE'>, 'DATETIME': <TokenType.DATETIME: 'DATETIME'>, 'INT4RANGE': <TokenType.INT4RANGE: 'INT4RANGE'>, 'INT4MULTIRANGE': <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, 'INT8RANGE': <TokenType.INT8RANGE: 'INT8RANGE'>, 'INT8MULTIRANGE': <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, 'NUMRANGE': <TokenType.NUMRANGE: 'NUMRANGE'>, 'NUMMULTIRANGE': <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, 'TSRANGE': <TokenType.TSRANGE: 'TSRANGE'>, 'TSMULTIRANGE': <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, 'TSTZRANGE': <TokenType.TSTZRANGE: 'TSTZRANGE'>, 'TSTZMULTIRANGE': <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, 'DATERANGE': <TokenType.DATERANGE: 'DATERANGE'>, 'DATEMULTIRANGE': <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, 'UNIQUE': <TokenType.UNIQUE: 'UNIQUE'>, 'VECTOR': <TokenType.VECTOR: 'VECTOR'>, 'STRUCT': <TokenType.STRUCT: 'STRUCT'>, 'SEQUENCE': <TokenType.SEQUENCE: 'SEQUENCE'>, 'VARIANT': <TokenType.VARIANT: 'VARIANT'>, 'ALTER': <TokenType.ALTER: 'ALTER'>, 'ANALYZE': <TokenType.COMMAND: 'COMMAND'>, 'CALL': <TokenType.COMMAND: 'COMMAND'>, 'COMMENT': <TokenType.COMMENT: 'COMMENT'>, 'EXPLAIN': <TokenType.COMMAND: 'COMMAND'>, 'GRANT': <TokenType.COMMAND: 'COMMAND'>, 'OPTIMIZE': <TokenType.COMMAND: 'COMMAND'>, 'PREPARE': <TokenType.COMMAND: 'COMMAND'>, 'VACUUM': <TokenType.COMMAND: 'COMMAND'>, 'USER-DEFINED': <TokenType.USERDEFINED: 'USERDEFINED'>, 'FOR VERSION': <TokenType.VERSION_SNAPSHOT: 'VERSION_SNAPSHOT'>, 'FOR TIMESTAMP': <TokenType.TIMESTAMP_SNAPSHOT: 'TIMESTAMP_SNAPSHOT'>, 'CHARSET': <TokenType.CHARACTER_SET: 'CHARACTER_SET'>, 'FORCE': <TokenType.FORCE: 'FORCE'>, 'IGNORE': <TokenType.IGNORE: 'IGNORE'>, '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.COMMAND: 'COMMAND'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.RENAME: 'RENAME'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.FETCH: 'FETCH'>}
class MySQL.Parser(sqlglot.parser.Parser):
272    class Parser(parser.Parser):
273        FUNC_TOKENS = {
274            *parser.Parser.FUNC_TOKENS,
275            TokenType.DATABASE,
276            TokenType.SCHEMA,
277            TokenType.VALUES,
278        }
279
280        CONJUNCTION = {
281            **parser.Parser.CONJUNCTION,
282            TokenType.DAMP: exp.And,
283            TokenType.XOR: exp.Xor,
284        }
285
286        DISJUNCTION = {
287            **parser.Parser.DISJUNCTION,
288            TokenType.DPIPE: exp.Or,
289        }
290
291        TABLE_ALIAS_TOKENS = (
292            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
293        )
294
295        RANGE_PARSERS = {
296            **parser.Parser.RANGE_PARSERS,
297            TokenType.MEMBER_OF: lambda self, this: self.expression(
298                exp.JSONArrayContains,
299                this=this,
300                expression=self._parse_wrapped(self._parse_expression),
301            ),
302        }
303
304        FUNCTIONS = {
305            **parser.Parser.FUNCTIONS,
306            "CONVERT_TZ": lambda args: exp.ConvertTimezone(
307                source_tz=seq_get(args, 1), target_tz=seq_get(args, 2), timestamp=seq_get(args, 0)
308            ),
309            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
310            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
311            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
312            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
313            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
314            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
315            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
316            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
317            "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)),
318            "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"),
319            "ISNULL": isnull_to_is_null,
320            "LOCATE": locate_to_strposition,
321            "MAKETIME": exp.TimeFromParts.from_arg_list,
322            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
323            "MONTHNAME": lambda args: exp.TimeToStr(
324                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
325                format=exp.Literal.string("%B"),
326            ),
327            "STR_TO_DATE": _str_to_date,
328            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
329            "TO_DAYS": lambda args: exp.paren(
330                exp.DateDiff(
331                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
332                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
333                    unit=exp.var("DAY"),
334                )
335                + 1
336            ),
337            "WEEK": lambda args: exp.Week(
338                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
339            ),
340            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
341            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
342        }
343
344        FUNCTION_PARSERS = {
345            **parser.Parser.FUNCTION_PARSERS,
346            "CHAR": lambda self: self._parse_chr(),
347            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
348            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
349            "VALUES": lambda self: self.expression(
350                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
351            ),
352        }
353
354        STATEMENT_PARSERS = {
355            **parser.Parser.STATEMENT_PARSERS,
356            TokenType.SHOW: lambda self: self._parse_show(),
357        }
358
359        SHOW_PARSERS = {
360            "BINARY LOGS": _show_parser("BINARY LOGS"),
361            "MASTER LOGS": _show_parser("BINARY LOGS"),
362            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
363            "CHARACTER SET": _show_parser("CHARACTER SET"),
364            "CHARSET": _show_parser("CHARACTER SET"),
365            "COLLATION": _show_parser("COLLATION"),
366            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
367            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
368            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
369            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
370            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
371            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
372            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
373            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
374            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
375            "DATABASES": _show_parser("DATABASES"),
376            "SCHEMAS": _show_parser("DATABASES"),
377            "ENGINE": _show_parser("ENGINE", target=True),
378            "STORAGE ENGINES": _show_parser("ENGINES"),
379            "ENGINES": _show_parser("ENGINES"),
380            "ERRORS": _show_parser("ERRORS"),
381            "EVENTS": _show_parser("EVENTS"),
382            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
383            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
384            "GRANTS": _show_parser("GRANTS", target="FOR"),
385            "INDEX": _show_parser("INDEX", target="FROM"),
386            "MASTER STATUS": _show_parser("MASTER STATUS"),
387            "OPEN TABLES": _show_parser("OPEN TABLES"),
388            "PLUGINS": _show_parser("PLUGINS"),
389            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
390            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
391            "PRIVILEGES": _show_parser("PRIVILEGES"),
392            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
393            "PROCESSLIST": _show_parser("PROCESSLIST"),
394            "PROFILE": _show_parser("PROFILE"),
395            "PROFILES": _show_parser("PROFILES"),
396            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
397            "REPLICAS": _show_parser("REPLICAS"),
398            "SLAVE HOSTS": _show_parser("REPLICAS"),
399            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
400            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
401            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
402            "SESSION STATUS": _show_parser("STATUS"),
403            "STATUS": _show_parser("STATUS"),
404            "TABLE STATUS": _show_parser("TABLE STATUS"),
405            "FULL TABLES": _show_parser("TABLES", full=True),
406            "TABLES": _show_parser("TABLES"),
407            "TRIGGERS": _show_parser("TRIGGERS"),
408            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
409            "SESSION VARIABLES": _show_parser("VARIABLES"),
410            "VARIABLES": _show_parser("VARIABLES"),
411            "WARNINGS": _show_parser("WARNINGS"),
412        }
413
414        PROPERTY_PARSERS = {
415            **parser.Parser.PROPERTY_PARSERS,
416            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
417        }
418
419        SET_PARSERS = {
420            **parser.Parser.SET_PARSERS,
421            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
422            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
423            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
424            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
425            "NAMES": lambda self: self._parse_set_item_names(),
426        }
427
428        CONSTRAINT_PARSERS = {
429            **parser.Parser.CONSTRAINT_PARSERS,
430            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
431            "INDEX": lambda self: self._parse_index_constraint(),
432            "KEY": lambda self: self._parse_index_constraint(),
433            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
434        }
435
436        ALTER_PARSERS = {
437            **parser.Parser.ALTER_PARSERS,
438            "MODIFY": lambda self: self._parse_alter_table_alter(),
439        }
440
441        SCHEMA_UNNAMED_CONSTRAINTS = {
442            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
443            "FULLTEXT",
444            "INDEX",
445            "KEY",
446            "SPATIAL",
447        }
448
449        PROFILE_TYPES: parser.OPTIONS_TYPE = {
450            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
451            "BLOCK": ("IO",),
452            "CONTEXT": ("SWITCHES",),
453            "PAGE": ("FAULTS",),
454        }
455
456        TYPE_TOKENS = {
457            *parser.Parser.TYPE_TOKENS,
458            TokenType.SET,
459        }
460
461        ENUM_TYPE_TOKENS = {
462            *parser.Parser.ENUM_TYPE_TOKENS,
463            TokenType.SET,
464        }
465
466        LOG_DEFAULTS_TO_LN = True
467        STRING_ALIASES = True
468        VALUES_FOLLOWED_BY_PAREN = False
469        SUPPORTS_PARTITION_SELECTION = True
470
471        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
472            this = self._parse_id_var()
473            if not self._match(TokenType.L_PAREN):
474                return this
475
476            expression = self._parse_number()
477            self._match_r_paren()
478            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
479
480        def _parse_index_constraint(
481            self, kind: t.Optional[str] = None
482        ) -> exp.IndexColumnConstraint:
483            if kind:
484                self._match_texts(("INDEX", "KEY"))
485
486            this = self._parse_id_var(any_token=False)
487            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
488            expressions = self._parse_wrapped_csv(self._parse_ordered)
489
490            options = []
491            while True:
492                if self._match_text_seq("KEY_BLOCK_SIZE"):
493                    self._match(TokenType.EQ)
494                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
495                elif self._match(TokenType.USING):
496                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
497                elif self._match_text_seq("WITH", "PARSER"):
498                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
499                elif self._match(TokenType.COMMENT):
500                    opt = exp.IndexConstraintOption(comment=self._parse_string())
501                elif self._match_text_seq("VISIBLE"):
502                    opt = exp.IndexConstraintOption(visible=True)
503                elif self._match_text_seq("INVISIBLE"):
504                    opt = exp.IndexConstraintOption(visible=False)
505                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
506                    self._match(TokenType.EQ)
507                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
508                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
509                    self._match(TokenType.EQ)
510                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
511                else:
512                    opt = None
513
514                if not opt:
515                    break
516
517                options.append(opt)
518
519            return self.expression(
520                exp.IndexColumnConstraint,
521                this=this,
522                expressions=expressions,
523                kind=kind,
524                index_type=index_type,
525                options=options,
526            )
527
528        def _parse_show_mysql(
529            self,
530            this: str,
531            target: bool | str = False,
532            full: t.Optional[bool] = None,
533            global_: t.Optional[bool] = None,
534        ) -> exp.Show:
535            if target:
536                if isinstance(target, str):
537                    self._match_text_seq(target)
538                target_id = self._parse_id_var()
539            else:
540                target_id = None
541
542            log = self._parse_string() if self._match_text_seq("IN") else None
543
544            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
545                position = self._parse_number() if self._match_text_seq("FROM") else None
546                db = None
547            else:
548                position = None
549                db = None
550
551                if self._match(TokenType.FROM):
552                    db = self._parse_id_var()
553                elif self._match(TokenType.DOT):
554                    db = target_id
555                    target_id = self._parse_id_var()
556
557            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
558
559            like = self._parse_string() if self._match_text_seq("LIKE") else None
560            where = self._parse_where()
561
562            if this == "PROFILE":
563                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
564                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
565                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
566                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
567            else:
568                types, query = None, None
569                offset, limit = self._parse_oldstyle_limit()
570
571            mutex = True if self._match_text_seq("MUTEX") else None
572            mutex = False if self._match_text_seq("STATUS") else mutex
573
574            return self.expression(
575                exp.Show,
576                this=this,
577                target=target_id,
578                full=full,
579                log=log,
580                position=position,
581                db=db,
582                channel=channel,
583                like=like,
584                where=where,
585                types=types,
586                query=query,
587                offset=offset,
588                limit=limit,
589                mutex=mutex,
590                **{"global": global_},  # type: ignore
591            )
592
593        def _parse_oldstyle_limit(
594            self,
595        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
596            limit = None
597            offset = None
598            if self._match_text_seq("LIMIT"):
599                parts = self._parse_csv(self._parse_number)
600                if len(parts) == 1:
601                    limit = parts[0]
602                elif len(parts) == 2:
603                    limit = parts[1]
604                    offset = parts[0]
605
606            return offset, limit
607
608        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
609            this = self._parse_string() or self._parse_unquoted_field()
610            return self.expression(exp.SetItem, this=this, kind=kind)
611
612        def _parse_set_item_names(self) -> exp.Expression:
613            charset = self._parse_string() or self._parse_unquoted_field()
614            if self._match_text_seq("COLLATE"):
615                collate = self._parse_string() or self._parse_unquoted_field()
616            else:
617                collate = None
618
619            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
620
621        def _parse_type(
622            self, parse_interval: bool = True, fallback_to_identifier: bool = False
623        ) -> t.Optional[exp.Expression]:
624            # mysql binary is special and can work anywhere, even in order by operations
625            # it operates like a no paren func
626            if self._match(TokenType.BINARY, advance=False):
627                data_type = self._parse_types(check_func=True, allow_identifiers=False)
628
629                if isinstance(data_type, exp.DataType):
630                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
631
632            return super()._parse_type(
633                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
634            )
635
636        def _parse_chr(self) -> t.Optional[exp.Expression]:
637            expressions = self._parse_csv(self._parse_assignment)
638            kwargs: t.Dict[str, t.Any] = {"this": seq_get(expressions, 0)}
639
640            if len(expressions) > 1:
641                kwargs["expressions"] = expressions[1:]
642
643            if self._match(TokenType.USING):
644                kwargs["charset"] = self._parse_var()
645
646            return self.expression(exp.Chr, **kwargs)
647
648        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
649            def concat_exprs(
650                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
651            ) -> exp.Expression:
652                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
653                    concat_exprs = [
654                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
655                    ]
656                    node.set("expressions", concat_exprs)
657                    return node
658                if len(exprs) == 1:
659                    return exprs[0]
660                return self.expression(exp.Concat, expressions=args, safe=True)
661
662            args = self._parse_csv(self._parse_lambda)
663
664            if args:
665                order = args[-1] if isinstance(args[-1], exp.Order) else None
666
667                if order:
668                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
669                    # remove 'expr' from exp.Order and add it back to args
670                    args[-1] = order.this
671                    order.set("this", concat_exprs(order.this, args))
672
673                this = order or concat_exprs(args[0], args)
674            else:
675                this = None
676
677            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
678
679            return self.expression(exp.GroupConcat, this=this, separator=separator)

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

Arguments:
  • error_level: The desired error level. Default: ErrorLevel.IMMEDIATE
  • error_message_context: The amount of context to capture from a query string when displaying the error message (in number of characters). Default: 100
  • max_errors: Maximum number of error messages to include in a raised ParseError. This is only relevant if error_level is ErrorLevel.RAISE. Default: 3
FUNC_TOKENS = {<TokenType.SCHEMA: 'SCHEMA'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.YEAR: 'YEAR'>, <TokenType.TABLE: 'TABLE'>, <TokenType.XOR: 'XOR'>, <TokenType.INT: 'INT'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.UINT: 'UINT'>, <TokenType.TEXT: 'TEXT'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.UINT128: 'UINT128'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.SOME: 'SOME'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.IPV4: 'IPV4'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.BIT: 'BIT'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, <TokenType.JSON: 'JSON'>, <TokenType.CHAR: 'CHAR'>, <TokenType.ALL: 'ALL'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.RIGHT: 'RIGHT'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.INT128: 'INT128'>, <TokenType.ROW: 'ROW'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.RANGE: 'RANGE'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.ENUM: 'ENUM'>, <TokenType.NAME: 'NAME'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.GLOB: 'GLOB'>, <TokenType.UINT256: 'UINT256'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.MONEY: 'MONEY'>, <TokenType.WINDOW: 'WINDOW'>, <TokenType.RLIKE: 'RLIKE'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.LEFT: 'LEFT'>, <TokenType.BINARY: 'BINARY'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.FILTER: 'FILTER'>, <TokenType.UUID: 'UUID'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.LIKE: 'LIKE'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.VAR: 'VAR'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.ILIKE: 'ILIKE'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.SUPER: 'SUPER'>, <TokenType.TIME: 'TIME'>, <TokenType.DATE: 'DATE'>, <TokenType.DATE32: 'DATE32'>, <TokenType.ANY: 'ANY'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.NULL: 'NULL'>, <TokenType.OFFSET: 'OFFSET'>, <TokenType.VALUES: 'VALUES'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.XML: 'XML'>, <TokenType.INDEX: 'INDEX'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.INSERT: 'INSERT'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.INT256: 'INT256'>, <TokenType.MERGE: 'MERGE'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.NESTED: 'NESTED'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.MAP: 'MAP'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.LIST: 'LIST'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.JSONB: 'JSONB'>, <TokenType.INET: 'INET'>, <TokenType.IPV6: 'IPV6'>, <TokenType.FIRST: 'FIRST'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.BIGINT: 'BIGINT'>}
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.SCHEMA: 'SCHEMA'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.DIV: 'DIV'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.WAREHOUSE: 'WAREHOUSE'>, <TokenType.REFRESH: 'REFRESH'>, <TokenType.TABLE: 'TABLE'>, <TokenType.TRUE: 'TRUE'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.YEAR: 'YEAR'>, <TokenType.INT: 'INT'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.UINT: 'UINT'>, <TokenType.TEXT: 'TEXT'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.IS: 'IS'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.SHOW: 'SHOW'>, <TokenType.DESCRIBE: 'DESCRIBE'>, <TokenType.NEXT: 'NEXT'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.UINT128: 'UINT128'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.UPDATE: 'UPDATE'>, <TokenType.SOME: 'SOME'>, <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.IPV4: 'IPV4'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.ANTI: 'ANTI'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.TAG: 'TAG'>, <TokenType.END: 'END'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.BIT: 'BIT'>, <TokenType.TEMPORARY: 'TEMPORARY'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.CONSTRAINT: 'CONSTRAINT'>, <TokenType.ALL: 'ALL'>, <TokenType.BEGIN: 'BEGIN'>, <TokenType.JSON: 'JSON'>, <TokenType.CHAR: 'CHAR'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.VIEW: 'VIEW'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.INT128: 'INT128'>, <TokenType.ROW: 'ROW'>, <TokenType.PERCENT: 'PERCENT'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.RANGE: 'RANGE'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.ENUM: 'ENUM'>, <TokenType.NAME: 'NAME'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.STORAGE_INTEGRATION: 'STORAGE_INTEGRATION'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.ROWS: 'ROWS'>, <TokenType.FINAL: 'FINAL'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.UINT256: 'UINT256'>, <TokenType.OVERWRITE: 'OVERWRITE'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.MONEY: 'MONEY'>, <TokenType.OPERATOR: 'OPERATOR'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.SETTINGS: 'SETTINGS'>, <TokenType.BINARY: 'BINARY'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.FILTER: 'FILTER'>, <TokenType.UUID: 'UUID'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.STREAMLIT: 'STREAMLIT'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.ROLLUP: 'ROLLUP'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.PARTITION: 'PARTITION'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.COMMENT: 'COMMENT'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.TOP: 'TOP'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.COMMIT: 'COMMIT'>, <TokenType.PROCEDURE: 'PROCEDURE'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.CASE: 'CASE'>, <TokenType.VAR: 'VAR'>, <TokenType.MODEL: 'MODEL'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.COPY: 'COPY'>, <TokenType.PRAGMA: 'PRAGMA'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.SUPER: 'SUPER'>, <TokenType.TIME: 'TIME'>, <TokenType.DATE: 'DATE'>, <TokenType.DATE32: 'DATE32'>, <TokenType.ANY: 'ANY'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.NULL: 'NULL'>, <TokenType.RENAME: 'RENAME'>, <TokenType.ASC: 'ASC'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.UNIQUE: 'UNIQUE'>, <TokenType.XML: 'XML'>, <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, <TokenType.INDEX: 'INDEX'>, <TokenType.SEMI: 'SEMI'>, <TokenType.DESC: 'DESC'>, <TokenType.OVERLAPS: 'OVERLAPS'>, <TokenType.UNPIVOT: 'UNPIVOT'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.KEEP: 'KEEP'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.ORDINALITY: 'ORDINALITY'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.DELETE: 'DELETE'>, <TokenType.INT256: 'INT256'>, <TokenType.MERGE: 'MERGE'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.FUNCTION: 'FUNCTION'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.CUBE: 'CUBE'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.REFERENCES: 'REFERENCES'>, <TokenType.SET: 'SET'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.FALSE: 'FALSE'>, <TokenType.NESTED: 'NESTED'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.COLUMN: 'COLUMN'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.MAP: 'MAP'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.LIST: 'LIST'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.JSONB: 'JSONB'>, <TokenType.INET: 'INET'>, <TokenType.DICTIONARY: 'DICTIONARY'>, <TokenType.IPV6: 'IPV6'>, <TokenType.FIRST: 'FIRST'>, <TokenType.ESCAPE: 'ESCAPE'>, <TokenType.KILL: 'KILL'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.RECURSIVE: 'RECURSIVE'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.PIVOT: 'PIVOT'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.VOLATILE: 'VOLATILE'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.CACHE: 'CACHE'>, <TokenType.DEFAULT: 'DEFAULT'>, <TokenType.LOAD: 'LOAD'>}
RANGE_PARSERS = {<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.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'>>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAgg'>>, 'ARRAY_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAll'>>, 'ARRAY_ANY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAny'>>, 'ARRAY_CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CONSTRUCT_COMPACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConstructCompact'>>, 'ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContains'>>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Chr'>>, 'CHAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Chr'>>, 'COALESCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Coalesce'>>, 'IFNULL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Coalesce'>>, 'NVL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Coalesce'>>, 'COLLATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Collate'>>, 'COMBINED_AGG_FUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CombinedAggFunc'>>, 'COMBINED_PARAMETERIZED_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CombinedParameterizedAgg'>>, 'CONCAT': <function Parser.<lambda>>, 'CONCAT_WS': <function Parser.<lambda>>, 'CONNECT_BY_ROOT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ConnectByRoot'>>, 'CONVERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Convert'>>, 'CONVERT_TIMEZONE': <function build_convert_timezone>, 'CORR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Corr'>>, 'COUNT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Count'>>, 'COUNT_IF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CountIf'>>, 'COUNTIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CountIf'>>, 'COVAR_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CovarPop'>>, 'COVAR_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CovarSamp'>>, 'CURRENT_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentDate'>>, 'CURRENT_DATETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentDatetime'>>, 'CURRENT_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentTime'>>, 'CURRENT_TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentTimestamp'>>, 'CURRENT_USER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentUser'>>, 'DATE': <function MySQL.Parser.<lambda>>, 'DATE_ADD': <function build_date_delta_with_interval.<locals>._builder>, 'DATEDIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateDiff'>>, 'DATE_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateDiff'>>, 'DATE_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateFromParts'>>, 'DATEFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateFromParts'>>, 'DATE_STR_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateStrToDate'>>, 'DATE_SUB': <function build_date_delta_with_interval.<locals>._builder>, 'DATE_TO_DATE_STR': <function Parser.<lambda>>, 'DATE_TO_DI': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateToDi'>>, 'DATE_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateTrunc'>>, 'DATETIME': <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>>, 'DAY_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfYear'>>, 'DAYOFYEAR': <function MySQL.Parser.<lambda>>, 'DECODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Decode'>>, 'DI_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DiToDate'>>, 'ENCODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Encode'>>, 'EXP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Exp'>>, 'EXPLODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Explode'>>, 'EXPLODE_OUTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ExplodeOuter'>>, 'EXPLODING_GENERATE_SERIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ExplodingGenerateSeries'>>, 'EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Extract'>>, 'FIRST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.First'>>, 'FIRST_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FirstValue'>>, 'FLATTEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Flatten'>>, 'FLOOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Floor'>>, 'FROM_BASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromBase'>>, 'FROM_BASE64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromBase64'>>, 'GAP_FILL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GapFill'>>, 'GENERATE_DATE_ARRAY': <function Parser.<lambda>>, 'GENERATE_SERIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateSeries'>>, 'GENERATE_TIMESTAMP_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateTimestampArray'>>, 'GREATEST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Greatest'>>, 'GROUP_CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GroupConcat'>>, 'HEX': <function build_hex>, 'HLL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Hll'>>, 'IF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.If'>>, 'IIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.If'>>, 'INITCAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Initcap'>>, 'IS_INF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsInf'>>, 'ISINF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsInf'>>, 'IS_NAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsNan'>>, 'ISNAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsNan'>>, 'J_S_O_N_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArray'>>, 'J_S_O_N_ARRAY_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayAgg'>>, 'JSON_ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayContains'>>, 'JSONB_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBContains'>>, 'JSONB_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBExtract'>>, 'JSONB_EXTRACT_SCALAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBExtractScalar'>>, 'JSON_EXTRACT': <function build_extract_json_with_path.<locals>._builder>, 'JSON_EXTRACT_SCALAR': <function build_extract_json_with_path.<locals>._builder>, 'JSON_FORMAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONFormat'>>, 'J_S_O_N_OBJECT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONObject'>>, 'J_S_O_N_OBJECT_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONObjectAgg'>>, 'J_S_O_N_TABLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONTable'>>, 'LAG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lag'>>, 'LAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Last'>>, 'LAST_DAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LastDay'>>, 'LAST_DAY_OF_MONTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LastDay'>>, 'LAST_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LastValue'>>, 'LEAD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lead'>>, 'LEAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Least'>>, 'LEFT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Left'>>, 'LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Length'>>, 'LEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Length'>>, 'LEVENSHTEIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Levenshtein'>>, 'LIST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.List'>>, 'LN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ln'>>, 'LOG': <function build_logarithm>, 'LOGICAL_AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'BOOL_AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'BOOLAND_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'LOGICAL_OR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'BOOL_OR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'BOOLOR_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'LOWER': <function build_lower>, 'LCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lower'>>, 'LOWER_HEX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LowerHex'>>, 'MD5': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MD5'>>, 'MD5_DIGEST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MD5Digest'>>, 'MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Map'>>, 'MAP_FROM_ENTRIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MapFromEntries'>>, 'MATCH_AGAINST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MatchAgainst'>>, 'MAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Max'>>, 'MIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Min'>>, 'MONTH': <function MySQL.Parser.<lambda>>, 'MONTHS_BETWEEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MonthsBetween'>>, 'NEXT_VALUE_FOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NextValueFor'>>, 'NTH_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NthValue'>>, 'NULLIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Nullif'>>, 'NUMBER_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NumberToStr'>>, 'NVL2': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Nvl2'>>, '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'>>, 'PAD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pad'>>, 'PARAMETERIZED_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParameterizedAgg'>>, 'PARSE_JSON': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParseJSON'>>, 'JSON_PARSE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParseJSON'>>, 'PERCENTILE_CONT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PercentileCont'>>, 'PERCENTILE_DISC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PercentileDisc'>>, 'POSEXPLODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Posexplode'>>, 'POSEXPLODE_OUTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PosexplodeOuter'>>, 'POWER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pow'>>, 'POW': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pow'>>, 'PREDICT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Predict'>>, 'QUANTILE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Quantile'>>, 'QUARTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Quarter'>>, 'RAND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Rand'>>, 'RANDOM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Rand'>>, 'RANDN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Randn'>>, 'RANGE_N': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RangeN'>>, 'READ_CSV': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ReadCSV'>>, 'REDUCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Reduce'>>, 'REGEXP_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpExtract'>>, 'REGEXP_I_LIKE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpILike'>>, 'REGEXP_LIKE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpLike'>>, 'REGEXP_REPLACE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpReplace'>>, 'REGEXP_SPLIT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpSplit'>>, 'REPEAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Repeat'>>, 'RIGHT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Right'>>, 'ROUND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Round'>>, 'ROW_NUMBER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RowNumber'>>, 'SHA': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SHA'>>, 'SHA1': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SHA'>>, 'SHA2': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SHA2'>>, 'SAFE_DIVIDE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SafeDivide'>>, 'SIGN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sign'>>, 'SIGNUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sign'>>, 'SORT_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SortArray'>>, 'SPLIT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Split'>>, 'SQRT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sqrt'>>, 'STANDARD_HASH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StandardHash'>>, 'STAR_MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StarMap'>>, 'STARTS_WITH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StartsWith'>>, 'STARTSWITH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StartsWith'>>, 'STDDEV': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stddev'>>, 'STDEV': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stddev'>>, 'STDDEV_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StddevPop'>>, 'STDDEV_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StddevSamp'>>, 'STR_POSITION': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrPosition'>>, 'STR_TO_DATE': <function _str_to_date>, 'STR_TO_MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrToMap'>>, 'STR_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrToTime'>>, 'STR_TO_UNIX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrToUnix'>>, 'STRING_TO_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StringToArray'>>, 'SPLIT_BY_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StringToArray'>>, 'STRUCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Struct'>>, 'STRUCT_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StructExtract'>>, 'STUFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stuff'>>, 'INSERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stuff'>>, 'SUBSTRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Substring'>>, 'SUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sum'>>, 'TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Time'>>, 'TIME_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeAdd'>>, 'TIME_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeDiff'>>, 'TIME_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'TIMEFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'TIME_STR_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToDate'>>, 'TIME_STR_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToTime'>>, 'TIME_STR_TO_UNIX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToUnix'>>, 'TIME_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeSub'>>, 'TIME_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeToStr'>>, 'TIME_TO_TIME_STR': <function Parser.<lambda>>, 'TIME_TO_UNIX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeToUnix'>>, 'TIME_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeTrunc'>>, 'TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Timestamp'>>, 'TIMESTAMP_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampAdd'>>, 'TIMESTAMPDIFF': <function build_date_delta.<locals>._builder>, 'TIMESTAMP_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampDiff'>>, 'TIMESTAMP_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampFromParts'>>, 'TIMESTAMPFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampFromParts'>>, 'TIMESTAMP_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampSub'>>, 'TIMESTAMP_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampTrunc'>>, 'TO_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToArray'>>, 'TO_BASE64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToBase64'>>, 'TO_CHAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToChar'>>, 'TO_DAYS': <function MySQL.Parser.<lambda>>, 'TO_MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToMap'>>, 'TO_NUMBER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToNumber'>>, 'TRANSFORM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Transform'>>, 'TRIM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Trim'>>, 'TRY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Try'>>, 'TRY_CAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TryCast'>>, 'TS_OR_DI_TO_DI': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDiToDi'>>, 'TS_OR_DS_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsAdd'>>, 'TS_OR_DS_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsDiff'>>, 'TS_OR_DS_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToDate'>>, 'TS_OR_DS_TO_DATE_STR': <function Parser.<lambda>>, 'TS_OR_DS_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToTime'>>, 'TS_OR_DS_TO_TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToTimestamp'>>, 'UNHEX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Unhex'>>, 'UNIX_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixDate'>>, 'UNIX_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToStr'>>, 'UNIX_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToTime'>>, 'UNIX_TO_TIME_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToTimeStr'>>, 'UNNEST': <function Parser.<lambda>>, 'UPPER': <function build_upper>, 'UCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Upper'>>, 'VAR_MAP': <function build_var_map>, 'VARIANCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VAR_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'VAR_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'WEEK': <function MySQL.Parser.<lambda>>, 'WEEK_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.WeekOfYear'>>, 'WEEKOFYEAR': <function MySQL.Parser.<lambda>>, 'WHEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.When'>>, 'X_M_L_TABLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.XMLTable'>>, 'XOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Xor'>>, 'YEAR': <function MySQL.Parser.<lambda>>, 'GLOB': <function Parser.<lambda>>, 'JSON_EXTRACT_PATH_TEXT': <function build_extract_json_with_path.<locals>._builder>, 'LIKE': <function build_like>, 'LOG2': <function Parser.<lambda>>, 'LOG10': <function Parser.<lambda>>, 'LPAD': <function Parser.<lambda>>, 'LEFTPAD': <function Parser.<lambda>>, 'MOD': <function build_mod>, 'RPAD': <function Parser.<lambda>>, 'RIGHTPAD': <function Parser.<lambda>>, 'SCOPE_RESOLUTION': <function Parser.<lambda>>, 'TO_HEX': <function build_hex>, 'CONVERT_TZ': <function MySQL.Parser.<lambda>>, 'DATE_FORMAT': <function build_formatted_time.<locals>._builder>, 'INSTR': <function MySQL.Parser.<lambda>>, 'FROM_UNIXTIME': <function build_formatted_time.<locals>._builder>, 'ISNULL': <function isnull_to_is_null>, 'LOCATE': <function locate_to_strposition>, 'MAKETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'MONTHNAME': <function MySQL.Parser.<lambda>>}
FUNCTION_PARSERS = {'CAST': <function Parser.<lambda>>, 'CONVERT': <function Parser.<lambda>>, 'DECODE': <function Parser.<lambda>>, 'EXTRACT': <function Parser.<lambda>>, 'GAP_FILL': <function Parser.<lambda>>, 'JSON_OBJECT': <function Parser.<lambda>>, 'JSON_OBJECTAGG': <function Parser.<lambda>>, 'JSON_TABLE': <function Parser.<lambda>>, 'MATCH': <function Parser.<lambda>>, 'OPENJSON': <function Parser.<lambda>>, 'POSITION': <function Parser.<lambda>>, 'PREDICT': <function Parser.<lambda>>, 'SAFE_CAST': <function Parser.<lambda>>, 'STRING_AGG': <function Parser.<lambda>>, 'SUBSTRING': <function Parser.<lambda>>, 'TRIM': <function Parser.<lambda>>, 'TRY_CAST': <function Parser.<lambda>>, 'TRY_CONVERT': <function Parser.<lambda>>, 'CHAR': <function MySQL.Parser.<lambda>>, 'GROUP_CONCAT': <function MySQL.Parser.<lambda>>, 'VALUES': <function MySQL.Parser.<lambda>>}
STATEMENT_PARSERS = {<TokenType.ALTER: 'ALTER'>: <function Parser.<lambda>>, <TokenType.BEGIN: 'BEGIN'>: <function Parser.<lambda>>, <TokenType.CACHE: 'CACHE'>: <function Parser.<lambda>>, <TokenType.COMMENT: 'COMMENT'>: <function Parser.<lambda>>, <TokenType.COMMIT: 'COMMIT'>: <function Parser.<lambda>>, <TokenType.COPY: 'COPY'>: <function Parser.<lambda>>, <TokenType.CREATE: 'CREATE'>: <function Parser.<lambda>>, <TokenType.DELETE: 'DELETE'>: <function Parser.<lambda>>, <TokenType.DESC: 'DESC'>: <function Parser.<lambda>>, <TokenType.DESCRIBE: 'DESCRIBE'>: <function Parser.<lambda>>, <TokenType.DROP: 'DROP'>: <function Parser.<lambda>>, <TokenType.INSERT: 'INSERT'>: <function Parser.<lambda>>, <TokenType.KILL: 'KILL'>: <function Parser.<lambda>>, <TokenType.LOAD: 'LOAD'>: <function Parser.<lambda>>, <TokenType.MERGE: 'MERGE'>: <function Parser.<lambda>>, <TokenType.PIVOT: 'PIVOT'>: <function Parser.<lambda>>, <TokenType.PRAGMA: 'PRAGMA'>: <function Parser.<lambda>>, <TokenType.REFRESH: 'REFRESH'>: <function Parser.<lambda>>, <TokenType.ROLLBACK: 'ROLLBACK'>: <function Parser.<lambda>>, <TokenType.SET: 'SET'>: <function Parser.<lambda>>, <TokenType.TRUNCATE: 'TRUNCATE'>: <function Parser.<lambda>>, <TokenType.UNCACHE: 'UNCACHE'>: <function Parser.<lambda>>, <TokenType.UPDATE: 'UPDATE'>: <function Parser.<lambda>>, <TokenType.USE: 'USE'>: <function Parser.<lambda>>, <TokenType.SEMICOLON: 'SEMICOLON'>: <function Parser.<lambda>>, <TokenType.SHOW: 'SHOW'>: <function MySQL.Parser.<lambda>>}
SHOW_PARSERS = {'BINARY LOGS': <function _show_parser.<locals>._parse>, 'MASTER LOGS': <function _show_parser.<locals>._parse>, 'BINLOG EVENTS': <function _show_parser.<locals>._parse>, 'CHARACTER SET': <function _show_parser.<locals>._parse>, 'CHARSET': <function _show_parser.<locals>._parse>, 'COLLATION': <function _show_parser.<locals>._parse>, 'FULL COLUMNS': <function _show_parser.<locals>._parse>, 'COLUMNS': <function _show_parser.<locals>._parse>, 'CREATE DATABASE': <function _show_parser.<locals>._parse>, 'CREATE EVENT': <function _show_parser.<locals>._parse>, 'CREATE FUNCTION': <function _show_parser.<locals>._parse>, 'CREATE PROCEDURE': <function _show_parser.<locals>._parse>, 'CREATE TABLE': <function _show_parser.<locals>._parse>, 'CREATE TRIGGER': <function _show_parser.<locals>._parse>, 'CREATE VIEW': <function _show_parser.<locals>._parse>, 'DATABASES': <function _show_parser.<locals>._parse>, 'SCHEMAS': <function _show_parser.<locals>._parse>, 'ENGINE': <function _show_parser.<locals>._parse>, 'STORAGE ENGINES': <function _show_parser.<locals>._parse>, 'ENGINES': <function _show_parser.<locals>._parse>, 'ERRORS': <function _show_parser.<locals>._parse>, 'EVENTS': <function _show_parser.<locals>._parse>, 'FUNCTION CODE': <function _show_parser.<locals>._parse>, 'FUNCTION STATUS': <function _show_parser.<locals>._parse>, 'GRANTS': <function _show_parser.<locals>._parse>, 'INDEX': <function _show_parser.<locals>._parse>, 'MASTER STATUS': <function _show_parser.<locals>._parse>, 'OPEN TABLES': <function _show_parser.<locals>._parse>, 'PLUGINS': <function _show_parser.<locals>._parse>, 'PROCEDURE CODE': <function _show_parser.<locals>._parse>, 'PROCEDURE STATUS': <function _show_parser.<locals>._parse>, 'PRIVILEGES': <function _show_parser.<locals>._parse>, 'FULL PROCESSLIST': <function _show_parser.<locals>._parse>, 'PROCESSLIST': <function _show_parser.<locals>._parse>, 'PROFILE': <function _show_parser.<locals>._parse>, 'PROFILES': <function _show_parser.<locals>._parse>, 'RELAYLOG EVENTS': <function _show_parser.<locals>._parse>, 'REPLICAS': <function _show_parser.<locals>._parse>, 'SLAVE HOSTS': <function _show_parser.<locals>._parse>, 'REPLICA STATUS': <function _show_parser.<locals>._parse>, 'SLAVE STATUS': <function _show_parser.<locals>._parse>, 'GLOBAL STATUS': <function _show_parser.<locals>._parse>, 'SESSION STATUS': <function _show_parser.<locals>._parse>, 'STATUS': <function _show_parser.<locals>._parse>, 'TABLE STATUS': <function _show_parser.<locals>._parse>, 'FULL TABLES': <function _show_parser.<locals>._parse>, 'TABLES': <function _show_parser.<locals>._parse>, 'TRIGGERS': <function _show_parser.<locals>._parse>, 'GLOBAL VARIABLES': <function _show_parser.<locals>._parse>, 'SESSION VARIABLES': <function _show_parser.<locals>._parse>, 'VARIABLES': <function _show_parser.<locals>._parse>, 'WARNINGS': <function _show_parser.<locals>._parse>}
PROPERTY_PARSERS = {'ALLOWED_VALUES': <function Parser.<lambda>>, 'ALGORITHM': <function Parser.<lambda>>, 'AUTO': <function Parser.<lambda>>, 'AUTO_INCREMENT': <function Parser.<lambda>>, 'BACKUP': <function Parser.<lambda>>, 'BLOCKCOMPRESSION': <function Parser.<lambda>>, 'CHARSET': <function Parser.<lambda>>, 'CHARACTER SET': <function Parser.<lambda>>, 'CHECKSUM': <function Parser.<lambda>>, 'CLUSTER BY': <function Parser.<lambda>>, 'CLUSTERED': <function Parser.<lambda>>, 'COLLATE': <function Parser.<lambda>>, 'COMMENT': <function Parser.<lambda>>, 'CONTAINS': <function Parser.<lambda>>, 'COPY': <function Parser.<lambda>>, 'DATABLOCKSIZE': <function Parser.<lambda>>, 'DATA_DELETION': <function Parser.<lambda>>, 'DEFINER': <function Parser.<lambda>>, 'DETERMINISTIC': <function Parser.<lambda>>, '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>>, 'SET': <function Parser.<lambda>>, 'SETTINGS': <function Parser.<lambda>>, 'SHARING': <function Parser.<lambda>>, 'SORTKEY': <function Parser.<lambda>>, 'SOURCE': <function Parser.<lambda>>, 'STABLE': <function Parser.<lambda>>, 'STORED': <function Parser.<lambda>>, 'SYSTEM_VERSIONING': <function Parser.<lambda>>, 'TBLPROPERTIES': <function Parser.<lambda>>, 'TEMP': <function Parser.<lambda>>, 'TEMPORARY': <function Parser.<lambda>>, 'TO': <function Parser.<lambda>>, 'TRANSIENT': <function Parser.<lambda>>, 'TRANSFORM': <function Parser.<lambda>>, 'TTL': <function Parser.<lambda>>, 'USING': <function Parser.<lambda>>, 'UNLOGGED': <function Parser.<lambda>>, 'VOLATILE': <function Parser.<lambda>>, 'WITH': <function Parser.<lambda>>}
SET_PARSERS = {'GLOBAL': <function Parser.<lambda>>, 'LOCAL': <function Parser.<lambda>>, 'SESSION': <function Parser.<lambda>>, 'TRANSACTION': <function Parser.<lambda>>, 'PERSIST': <function MySQL.Parser.<lambda>>, 'PERSIST_ONLY': <function MySQL.Parser.<lambda>>, 'CHARACTER SET': <function MySQL.Parser.<lambda>>, 'CHARSET': <function MySQL.Parser.<lambda>>, 'NAMES': <function MySQL.Parser.<lambda>>}
CONSTRAINT_PARSERS = {'AUTOINCREMENT': <function Parser.<lambda>>, 'AUTO_INCREMENT': <function Parser.<lambda>>, 'CASESPECIFIC': <function Parser.<lambda>>, 'CHARACTER SET': <function Parser.<lambda>>, 'CHECK': <function Parser.<lambda>>, 'COLLATE': <function Parser.<lambda>>, 'COMMENT': <function Parser.<lambda>>, 'COMPRESS': <function Parser.<lambda>>, 'CLUSTERED': <function Parser.<lambda>>, 'NONCLUSTERED': <function Parser.<lambda>>, 'DEFAULT': <function Parser.<lambda>>, 'ENCODE': <function Parser.<lambda>>, 'EPHEMERAL': <function Parser.<lambda>>, 'EXCLUDE': <function Parser.<lambda>>, 'FOREIGN KEY': <function Parser.<lambda>>, 'FORMAT': <function Parser.<lambda>>, 'GENERATED': <function Parser.<lambda>>, 'IDENTITY': <function Parser.<lambda>>, 'INLINE': <function Parser.<lambda>>, 'LIKE': <function Parser.<lambda>>, 'NOT': <function Parser.<lambda>>, 'NULL': <function Parser.<lambda>>, 'ON': <function Parser.<lambda>>, 'PATH': <function Parser.<lambda>>, 'PERIOD': <function Parser.<lambda>>, 'PRIMARY KEY': <function Parser.<lambda>>, 'REFERENCES': <function Parser.<lambda>>, 'TITLE': <function Parser.<lambda>>, 'TTL': <function Parser.<lambda>>, 'UNIQUE': <function Parser.<lambda>>, 'UPPERCASE': <function Parser.<lambda>>, 'WITH': <function Parser.<lambda>>, 'FULLTEXT': <function MySQL.Parser.<lambda>>, 'INDEX': <function MySQL.Parser.<lambda>>, 'KEY': <function MySQL.Parser.<lambda>>, 'SPATIAL': <function MySQL.Parser.<lambda>>}
ALTER_PARSERS = {'ADD': <function Parser.<lambda>>, 'ALTER': <function Parser.<lambda>>, 'CLUSTER BY': <function Parser.<lambda>>, 'DELETE': <function Parser.<lambda>>, 'DROP': <function Parser.<lambda>>, 'RENAME': <function Parser.<lambda>>, 'SET': <function Parser.<lambda>>, 'AS': <function Parser.<lambda>>, 'MODIFY': <function MySQL.Parser.<lambda>>}
SCHEMA_UNNAMED_CONSTRAINTS = {'SPATIAL', 'KEY', 'PRIMARY KEY', 'LIKE', 'UNIQUE', 'FOREIGN KEY', 'EXCLUDE', 'INDEX', 'FULLTEXT', 'CHECK', 'PERIOD'}
PROFILE_TYPES: Dict[str, Sequence[Union[Sequence[str], str]]] = {'ALL': (), 'CPU': (), 'IPC': (), 'MEMORY': (), 'SOURCE': (), 'SWAPS': (), 'BLOCK': ('IO',), 'CONTEXT': ('SWITCHES',), 'PAGE': ('FAULTS',)}
TYPE_TOKENS = {<TokenType.OBJECT: 'OBJECT'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.YEAR: 'YEAR'>, <TokenType.UUID: 'UUID'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.INT: 'INT'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.UINT: 'UINT'>, <TokenType.TEXT: 'TEXT'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.UINT128: 'UINT128'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.IPV4: 'IPV4'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.SUPER: 'SUPER'>, <TokenType.TIME: 'TIME'>, <TokenType.DATE: 'DATE'>, <TokenType.DATE32: 'DATE32'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.NULL: 'NULL'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.XML: 'XML'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.BIT: 'BIT'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.JSON: 'JSON'>, <TokenType.CHAR: 'CHAR'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.INT256: 'INT256'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.SET: 'SET'>, <TokenType.INT128: 'INT128'>, <TokenType.NESTED: 'NESTED'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.MAP: 'MAP'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.LIST: 'LIST'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.JSONB: 'JSONB'>, <TokenType.ENUM: 'ENUM'>, <TokenType.NAME: 'NAME'>, <TokenType.INET: 'INET'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.IPV6: 'IPV6'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.UINT256: 'UINT256'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.MONEY: 'MONEY'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.BINARY: 'BINARY'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>}
ENUM_TYPE_TOKENS = {<TokenType.ENUM: 'ENUM'>, <TokenType.SET: 'SET'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.ENUM8: 'ENUM8'>}
LOG_DEFAULTS_TO_LN = True
STRING_ALIASES = True
VALUES_FOLLOWED_BY_PAREN = False
SUPPORTS_PARTITION_SELECTION = True
SHOW_TRIE: Dict = {'BINARY': {'LOGS': {0: True}}, 'MASTER': {'LOGS': {0: True}, 'STATUS': {0: True}}, 'BINLOG': {'EVENTS': {0: True}}, 'CHARACTER': {'SET': {0: True}}, 'CHARSET': {0: True}, 'COLLATION': {0: True}, 'FULL': {'COLUMNS': {0: True}, 'PROCESSLIST': {0: True}, 'TABLES': {0: True}}, 'COLUMNS': {0: True}, 'CREATE': {'DATABASE': {0: True}, 'EVENT': {0: True}, 'FUNCTION': {0: True}, 'PROCEDURE': {0: True}, 'TABLE': {0: True}, 'TRIGGER': {0: True}, 'VIEW': {0: True}}, 'DATABASES': {0: True}, 'SCHEMAS': {0: True}, 'ENGINE': {0: True}, 'STORAGE': {'ENGINES': {0: True}}, 'ENGINES': {0: True}, 'ERRORS': {0: True}, 'EVENTS': {0: True}, 'FUNCTION': {'CODE': {0: True}, 'STATUS': {0: True}}, 'GRANTS': {0: True}, 'INDEX': {0: True}, 'OPEN': {'TABLES': {0: True}}, 'PLUGINS': {0: True}, 'PROCEDURE': {'CODE': {0: True}, 'STATUS': {0: True}}, 'PRIVILEGES': {0: True}, 'PROCESSLIST': {0: True}, 'PROFILE': {0: True}, 'PROFILES': {0: True}, 'RELAYLOG': {'EVENTS': {0: True}}, 'REPLICAS': {0: True}, 'SLAVE': {'HOSTS': {0: True}, 'STATUS': {0: True}}, 'REPLICA': {'STATUS': {0: True}}, 'GLOBAL': {'STATUS': {0: True}, 'VARIABLES': {0: True}}, 'SESSION': {'STATUS': {0: True}, 'VARIABLES': {0: True}}, 'STATUS': {0: True}, 'TABLE': {'STATUS': {0: True}}, 'TABLES': {0: True}, 'TRIGGERS': {0: True}, 'VARIABLES': {0: True}, 'WARNINGS': {0: True}}
SET_TRIE: Dict = {'GLOBAL': {0: True}, 'LOCAL': {0: True}, 'SESSION': {0: True}, 'TRANSACTION': {0: True}, 'PERSIST': {0: True}, 'PERSIST_ONLY': {0: True}, 'CHARACTER': {'SET': {0: True}}, 'CHARSET': {0: True}, 'NAMES': {0: True}}
Inherited Members
sqlglot.parser.Parser
Parser
NO_PAREN_FUNCTIONS
STRUCT_TYPE_TOKENS
NESTED_TYPE_TOKENS
AGGREGATE_TYPE_TOKENS
SIGNED_TO_UNSIGNED_TYPE_TOKEN
SUBQUERY_PREDICATES
RESERVED_TOKENS
DB_CREATABLES
CREATABLES
ALTERABLES
ID_VAR_TOKENS
INTERVAL_VARS
ALIAS_TOKENS
ARRAY_CONSTRUCTORS
COMMENT_TABLE_ALIAS_TOKENS
UPDATE_ALIAS_TOKENS
TRIM_TYPES
ASSIGNMENT
EQUALITY
COMPARISON
BITWISE
TERM
FACTOR
EXPONENT
TIMES
TIMESTAMPS
SET_OPERATIONS
JOIN_METHODS
JOIN_SIDES
JOIN_KINDS
JOIN_HINTS
LAMBDAS
COLUMN_OPERATORS
EXPRESSION_PARSERS
UNARY_PARSERS
STRING_PARSERS
NUMERIC_PARSERS
PRIMARY_PARSERS
PLACEHOLDER_PARSERS
ALTER_ALTER_PARSERS
NO_PAREN_FUNCTION_PARSERS
INVALID_FUNC_NAME_TOKENS
FUNCTIONS_WITH_ALIASED_ARGS
KEY_VALUE_DEFINITIONS
QUERY_MODIFIER_PARSERS
TYPE_LITERAL_PARSERS
TYPE_CONVERTERS
DDL_SELECT_TOKENS
PRE_VOLATILE_TOKENS
TRANSACTION_KIND
TRANSACTION_CHARACTERISTICS
CONFLICT_ACTIONS
CREATE_SEQUENCE
ISOLATED_LOADING_OPTIONS
USABLES
CAST_ACTIONS
SCHEMA_BINDING_OPTIONS
KEY_CONSTRAINT_OPTIONS
INSERT_ALTERNATIVES
CLONE_KEYWORDS
HISTORICAL_DATA_PREFIX
HISTORICAL_DATA_KIND
OPCLASS_FOLLOW_KEYWORDS
OPTYPE_FOLLOW_TOKENS
TABLE_INDEX_HINT_TOKENS
VIEW_ATTRIBUTES
WINDOW_ALIAS_TOKENS
WINDOW_BEFORE_PAREN_TOKENS
WINDOW_SIDES
JSON_KEY_VALUE_SEPARATOR_TOKENS
FETCH_TOKENS
ADD_CONSTRAINT_TOKENS
DISTINCT_TOKENS
NULL_TOKENS
UNNEST_OFFSET_ALIAS_TOKENS
SELECT_START_TOKENS
COPY_INTO_VARLEN_OPTIONS
STRICT_CAST
PREFIXED_PIVOT_COLUMNS
IDENTIFY_PIVOT_STRINGS
ALTER_TABLE_ADD_REQUIRED_FOR_EACH_COLUMN
TABLESAMPLE_CSV
DEFAULT_SAMPLING_METHOD
SET_REQUIRES_ASSIGNMENT_DELIMITER
TRIM_PATTERN_FIRST
MODIFIERS_ATTACHED_TO_SET_OP
SET_OP_MODIFIERS
NO_PAREN_IF_COMMANDS
JSON_ARROWS_REQUIRE_JSON_TYPE
COLON_IS_VARIANT_EXTRACT
SUPPORTS_IMPLICIT_UNNEST
INTERVAL_SPANS
error_level
error_message_context
max_errors
dialect
reset
parse
parse_into
check_errors
raise_error
expression
validate_expression
errors
sql
class MySQL.Generator(sqlglot.generator.Generator):
 681    class Generator(generator.Generator):
 682        INTERVAL_ALLOWS_PLURAL_FORM = False
 683        LOCKING_READS_SUPPORTED = True
 684        NULL_ORDERING_SUPPORTED = None
 685        JOIN_HINTS = False
 686        TABLE_HINTS = True
 687        DUPLICATE_KEY_UPDATE_WITH_SET = False
 688        QUERY_HINT_SEP = " "
 689        VALUES_AS_TABLE = False
 690        NVL2_SUPPORTED = False
 691        LAST_DAY_SUPPORTS_DATE_PART = False
 692        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
 693        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
 694        JSON_KEY_VALUE_PAIR_SEP = ","
 695        SUPPORTS_TO_NUMBER = False
 696        PARSE_JSON_NAME = None
 697        PAD_FILL_PATTERN_IS_REQUIRED = True
 698        WRAP_DERIVED_VALUES = False
 699
 700        TRANSFORMS = {
 701            **generator.Generator.TRANSFORMS,
 702            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
 703            exp.CurrentDate: no_paren_current_date_sql,
 704            exp.DateDiff: _remove_ts_or_ds_to_date(
 705                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
 706            ),
 707            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
 708            exp.DateStrToDate: datestrtodate_sql,
 709            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
 710            exp.DateTrunc: _date_trunc_sql,
 711            exp.Day: _remove_ts_or_ds_to_date(),
 712            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
 713            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
 714            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
 715            exp.GroupConcat: lambda self,
 716            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
 717            exp.ILike: no_ilike_sql,
 718            exp.JSONExtractScalar: arrow_json_extract_sql,
 719            exp.Max: max_or_greatest,
 720            exp.Min: min_or_least,
 721            exp.Month: _remove_ts_or_ds_to_date(),
 722            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
 723            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
 724            exp.Pivot: no_pivot_sql,
 725            exp.Select: transforms.preprocess(
 726                [
 727                    transforms.eliminate_distinct_on,
 728                    transforms.eliminate_semi_and_anti_joins,
 729                    transforms.eliminate_qualify,
 730                    transforms.eliminate_full_outer_join,
 731                    transforms.unnest_generate_date_array_using_recursive_cte,
 732                ]
 733            ),
 734            exp.StrPosition: strposition_to_locate_sql,
 735            exp.StrToDate: _str_to_date_sql,
 736            exp.StrToTime: _str_to_date_sql,
 737            exp.Stuff: rename_func("INSERT"),
 738            exp.TableSample: no_tablesample_sql,
 739            exp.TimeFromParts: rename_func("MAKETIME"),
 740            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
 741            exp.TimestampDiff: lambda self, e: self.func(
 742                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
 743            ),
 744            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
 745            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
 746            exp.TimeStrToTime: lambda self, e: self.sql(
 747                exp.cast(e.this, exp.DataType.Type.DATETIME, copy=True)
 748            ),
 749            exp.TimeToStr: _remove_ts_or_ds_to_date(
 750                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
 751            ),
 752            exp.Trim: _trim_sql,
 753            exp.TryCast: no_trycast_sql,
 754            exp.TsOrDsAdd: date_add_sql("ADD"),
 755            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
 756            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
 757            exp.UnixToTime: _unix_to_time_sql,
 758            exp.Week: _remove_ts_or_ds_to_date(),
 759            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
 760            exp.Year: _remove_ts_or_ds_to_date(),
 761        }
 762
 763        UNSIGNED_TYPE_MAPPING = {
 764            exp.DataType.Type.UBIGINT: "BIGINT",
 765            exp.DataType.Type.UINT: "INT",
 766            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
 767            exp.DataType.Type.USMALLINT: "SMALLINT",
 768            exp.DataType.Type.UTINYINT: "TINYINT",
 769            exp.DataType.Type.UDECIMAL: "DECIMAL",
 770        }
 771
 772        TIMESTAMP_TYPE_MAPPING = {
 773            exp.DataType.Type.TIMESTAMP: "DATETIME",
 774            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
 775            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
 776        }
 777
 778        TYPE_MAPPING = {
 779            **generator.Generator.TYPE_MAPPING,
 780            **UNSIGNED_TYPE_MAPPING,
 781            **TIMESTAMP_TYPE_MAPPING,
 782        }
 783
 784        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
 785        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
 786        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
 787        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
 788        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
 789        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
 790
 791        PROPERTIES_LOCATION = {
 792            **generator.Generator.PROPERTIES_LOCATION,
 793            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
 794            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
 795        }
 796
 797        LIMIT_FETCH = "LIMIT"
 798
 799        LIMIT_ONLY_LITERALS = True
 800
 801        CHAR_CAST_MAPPING = dict.fromkeys(
 802            (
 803                exp.DataType.Type.LONGTEXT,
 804                exp.DataType.Type.LONGBLOB,
 805                exp.DataType.Type.MEDIUMBLOB,
 806                exp.DataType.Type.MEDIUMTEXT,
 807                exp.DataType.Type.TEXT,
 808                exp.DataType.Type.TINYBLOB,
 809                exp.DataType.Type.TINYTEXT,
 810                exp.DataType.Type.VARCHAR,
 811            ),
 812            "CHAR",
 813        )
 814        SIGNED_CAST_MAPPING = dict.fromkeys(
 815            (
 816                exp.DataType.Type.BIGINT,
 817                exp.DataType.Type.BOOLEAN,
 818                exp.DataType.Type.INT,
 819                exp.DataType.Type.SMALLINT,
 820                exp.DataType.Type.TINYINT,
 821                exp.DataType.Type.MEDIUMINT,
 822            ),
 823            "SIGNED",
 824        )
 825
 826        # MySQL doesn't support many datatypes in cast.
 827        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
 828        CAST_MAPPING = {
 829            **CHAR_CAST_MAPPING,
 830            **SIGNED_CAST_MAPPING,
 831            exp.DataType.Type.UBIGINT: "UNSIGNED",
 832        }
 833
 834        TIMESTAMP_FUNC_TYPES = {
 835            exp.DataType.Type.TIMESTAMPTZ,
 836            exp.DataType.Type.TIMESTAMPLTZ,
 837        }
 838
 839        # https://dev.mysql.com/doc/refman/8.0/en/keywords.html
 840        RESERVED_KEYWORDS = {
 841            "accessible",
 842            "add",
 843            "all",
 844            "alter",
 845            "analyze",
 846            "and",
 847            "as",
 848            "asc",
 849            "asensitive",
 850            "before",
 851            "between",
 852            "bigint",
 853            "binary",
 854            "blob",
 855            "both",
 856            "by",
 857            "call",
 858            "cascade",
 859            "case",
 860            "change",
 861            "char",
 862            "character",
 863            "check",
 864            "collate",
 865            "column",
 866            "condition",
 867            "constraint",
 868            "continue",
 869            "convert",
 870            "create",
 871            "cross",
 872            "cube",
 873            "cume_dist",
 874            "current_date",
 875            "current_time",
 876            "current_timestamp",
 877            "current_user",
 878            "cursor",
 879            "database",
 880            "databases",
 881            "day_hour",
 882            "day_microsecond",
 883            "day_minute",
 884            "day_second",
 885            "dec",
 886            "decimal",
 887            "declare",
 888            "default",
 889            "delayed",
 890            "delete",
 891            "dense_rank",
 892            "desc",
 893            "describe",
 894            "deterministic",
 895            "distinct",
 896            "distinctrow",
 897            "div",
 898            "double",
 899            "drop",
 900            "dual",
 901            "each",
 902            "else",
 903            "elseif",
 904            "empty",
 905            "enclosed",
 906            "escaped",
 907            "except",
 908            "exists",
 909            "exit",
 910            "explain",
 911            "false",
 912            "fetch",
 913            "first_value",
 914            "float",
 915            "float4",
 916            "float8",
 917            "for",
 918            "force",
 919            "foreign",
 920            "from",
 921            "fulltext",
 922            "function",
 923            "generated",
 924            "get",
 925            "grant",
 926            "group",
 927            "grouping",
 928            "groups",
 929            "having",
 930            "high_priority",
 931            "hour_microsecond",
 932            "hour_minute",
 933            "hour_second",
 934            "if",
 935            "ignore",
 936            "in",
 937            "index",
 938            "infile",
 939            "inner",
 940            "inout",
 941            "insensitive",
 942            "insert",
 943            "int",
 944            "int1",
 945            "int2",
 946            "int3",
 947            "int4",
 948            "int8",
 949            "integer",
 950            "intersect",
 951            "interval",
 952            "into",
 953            "io_after_gtids",
 954            "io_before_gtids",
 955            "is",
 956            "iterate",
 957            "join",
 958            "json_table",
 959            "key",
 960            "keys",
 961            "kill",
 962            "lag",
 963            "last_value",
 964            "lateral",
 965            "lead",
 966            "leading",
 967            "leave",
 968            "left",
 969            "like",
 970            "limit",
 971            "linear",
 972            "lines",
 973            "load",
 974            "localtime",
 975            "localtimestamp",
 976            "lock",
 977            "long",
 978            "longblob",
 979            "longtext",
 980            "loop",
 981            "low_priority",
 982            "master_bind",
 983            "master_ssl_verify_server_cert",
 984            "match",
 985            "maxvalue",
 986            "mediumblob",
 987            "mediumint",
 988            "mediumtext",
 989            "middleint",
 990            "minute_microsecond",
 991            "minute_second",
 992            "mod",
 993            "modifies",
 994            "natural",
 995            "not",
 996            "no_write_to_binlog",
 997            "nth_value",
 998            "ntile",
 999            "null",
1000            "numeric",
1001            "of",
1002            "on",
1003            "optimize",
1004            "optimizer_costs",
1005            "option",
1006            "optionally",
1007            "or",
1008            "order",
1009            "out",
1010            "outer",
1011            "outfile",
1012            "over",
1013            "partition",
1014            "percent_rank",
1015            "precision",
1016            "primary",
1017            "procedure",
1018            "purge",
1019            "range",
1020            "rank",
1021            "read",
1022            "reads",
1023            "read_write",
1024            "real",
1025            "recursive",
1026            "references",
1027            "regexp",
1028            "release",
1029            "rename",
1030            "repeat",
1031            "replace",
1032            "require",
1033            "resignal",
1034            "restrict",
1035            "return",
1036            "revoke",
1037            "right",
1038            "rlike",
1039            "row",
1040            "rows",
1041            "row_number",
1042            "schema",
1043            "schemas",
1044            "second_microsecond",
1045            "select",
1046            "sensitive",
1047            "separator",
1048            "set",
1049            "show",
1050            "signal",
1051            "smallint",
1052            "spatial",
1053            "specific",
1054            "sql",
1055            "sqlexception",
1056            "sqlstate",
1057            "sqlwarning",
1058            "sql_big_result",
1059            "sql_calc_found_rows",
1060            "sql_small_result",
1061            "ssl",
1062            "starting",
1063            "stored",
1064            "straight_join",
1065            "system",
1066            "table",
1067            "terminated",
1068            "then",
1069            "tinyblob",
1070            "tinyint",
1071            "tinytext",
1072            "to",
1073            "trailing",
1074            "trigger",
1075            "true",
1076            "undo",
1077            "union",
1078            "unique",
1079            "unlock",
1080            "unsigned",
1081            "update",
1082            "usage",
1083            "use",
1084            "using",
1085            "utc_date",
1086            "utc_time",
1087            "utc_timestamp",
1088            "values",
1089            "varbinary",
1090            "varchar",
1091            "varcharacter",
1092            "varying",
1093            "virtual",
1094            "when",
1095            "where",
1096            "while",
1097            "window",
1098            "with",
1099            "write",
1100            "xor",
1101            "year_month",
1102            "zerofill",
1103        }
1104
1105        def array_sql(self, expression: exp.Array) -> str:
1106            self.unsupported("Arrays are not supported by MySQL")
1107            return self.function_fallback_sql(expression)
1108
1109        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1110            self.unsupported("Array operations are not supported by MySQL")
1111            return self.function_fallback_sql(expression)
1112
1113        def dpipe_sql(self, expression: exp.DPipe) -> str:
1114            return self.func("CONCAT", *expression.flatten())
1115
1116        def extract_sql(self, expression: exp.Extract) -> str:
1117            unit = expression.name
1118            if unit and unit.lower() == "epoch":
1119                return self.func("UNIX_TIMESTAMP", expression.expression)
1120
1121            return super().extract_sql(expression)
1122
1123        def datatype_sql(self, expression: exp.DataType) -> str:
1124            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1125            result = super().datatype_sql(expression)
1126            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1127                result = f"{result} UNSIGNED"
1128            return result
1129
1130        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1131            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
1132
1133        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1134            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1135                return self.func("TIMESTAMP", expression.this)
1136
1137            to = self.CAST_MAPPING.get(expression.to.this)
1138
1139            if to:
1140                expression.to.set("this", to)
1141            return super().cast_sql(expression)
1142
1143        def show_sql(self, expression: exp.Show) -> str:
1144            this = f" {expression.name}"
1145            full = " FULL" if expression.args.get("full") else ""
1146            global_ = " GLOBAL" if expression.args.get("global") else ""
1147
1148            target = self.sql(expression, "target")
1149            target = f" {target}" if target else ""
1150            if expression.name in ("COLUMNS", "INDEX"):
1151                target = f" FROM{target}"
1152            elif expression.name == "GRANTS":
1153                target = f" FOR{target}"
1154
1155            db = self._prefixed_sql("FROM", expression, "db")
1156
1157            like = self._prefixed_sql("LIKE", expression, "like")
1158            where = self.sql(expression, "where")
1159
1160            types = self.expressions(expression, key="types")
1161            types = f" {types}" if types else types
1162            query = self._prefixed_sql("FOR QUERY", expression, "query")
1163
1164            if expression.name == "PROFILE":
1165                offset = self._prefixed_sql("OFFSET", expression, "offset")
1166                limit = self._prefixed_sql("LIMIT", expression, "limit")
1167            else:
1168                offset = ""
1169                limit = self._oldstyle_limit_sql(expression)
1170
1171            log = self._prefixed_sql("IN", expression, "log")
1172            position = self._prefixed_sql("FROM", expression, "position")
1173
1174            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1175
1176            if expression.name == "ENGINE":
1177                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1178            else:
1179                mutex_or_status = ""
1180
1181            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
1182
1183        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1184            dtype = self.sql(expression, "dtype")
1185            if not dtype:
1186                return super().altercolumn_sql(expression)
1187
1188            this = self.sql(expression, "this")
1189            return f"MODIFY COLUMN {this} {dtype}"
1190
1191        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
1192            sql = self.sql(expression, arg)
1193            return f" {prefix} {sql}" if sql else ""
1194
1195        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
1196            limit = self.sql(expression, "limit")
1197            offset = self.sql(expression, "offset")
1198            if limit:
1199                limit_offset = f"{offset}, {limit}" if offset else limit
1200                return f" LIMIT {limit_offset}"
1201            return ""
1202
1203        def chr_sql(self, expression: exp.Chr) -> str:
1204            this = self.expressions(sqls=[expression.this] + expression.expressions)
1205            charset = expression.args.get("charset")
1206            using = f" USING {self.sql(charset)}" if charset else ""
1207            return f"CHAR({this}{using})"
1208
1209        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1210            unit = expression.args.get("unit")
1211
1212            # Pick an old-enough date to avoid negative timestamp diffs
1213            start_ts = "'0000-01-01 00:00:00'"
1214
1215            # Source: https://stackoverflow.com/a/32955740
1216            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1217            interval = exp.Interval(this=timestamp_diff, unit=unit)
1218            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1219
1220            return self.sql(dateadd)
1221
1222        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1223            from_tz = expression.args.get("source_tz")
1224            to_tz = expression.args.get("target_tz")
1225            dt = expression.args.get("timestamp")
1226
1227            return self.func("CONVERT_TZ", dt, from_tz, to_tz)

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 = None
PAD_FILL_PATTERN_IS_REQUIRED = True
WRAP_DERIVED_VALUES = False
TRANSFORMS = {<class 'sqlglot.expressions.JSONPathFilter'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathKey'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathRecursive'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathRoot'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathScript'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathSelector'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathSlice'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathSubscript'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathUnion'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathWildcard'>: <function <lambda>>, <class 'sqlglot.expressions.AllowedValuesProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.AutoRefreshProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.BackupProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CaseSpecificColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CharacterSetColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CharacterSetProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ClusteredColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CollateColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CommentColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.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.ExternalProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.GlobalProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.HeapProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.IcebergProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.InheritsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.InlineLengthColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.InputModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.IntervalSpan'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.LanguageProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.LocationProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.LogProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.MaterializedProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NonClusteredColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NoPrimaryIndexProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NotForReplicationColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnCommitProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnUpdateColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OutputModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.PathColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.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.SetConfigProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SetProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SettingsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SharingProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SqlReadWriteProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SqlSecurityProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.StabilityProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.Stream'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.StreamingTableProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.StrictProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TemporaryProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TagColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TitleColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ToMap'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ToTableProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TransformModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TransientProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.UppercaseColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.UnloggedProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.VarMap'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ViewAttributeProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.VolatileProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithJournalTableProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithSchemaBindingProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithOperator'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ArrayAgg'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.CurrentDate'>: <function no_paren_current_date_sql>, <class 'sqlglot.expressions.DateDiff'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateAdd'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateStrToDate'>: <function datestrtodate_sql>, <class 'sqlglot.expressions.DateSub'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateTrunc'>: <function _date_trunc_sql>, <class 'sqlglot.expressions.Day'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfMonth'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfWeek'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfYear'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.GroupConcat'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.ILike'>: <function no_ilike_sql>, <class 'sqlglot.expressions.JSONExtractScalar'>: <function arrow_json_extract_sql>, <class 'sqlglot.expressions.Max'>: <function max_or_greatest>, <class 'sqlglot.expressions.Min'>: <function min_or_least>, <class 'sqlglot.expressions.Month'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.NullSafeEQ'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.NullSafeNEQ'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.Pivot'>: <function no_pivot_sql>, <class 'sqlglot.expressions.Select'>: <function preprocess.<locals>._to_sql>, <class 'sqlglot.expressions.StrPosition'>: <function strposition_to_locate_sql>, <class 'sqlglot.expressions.StrToDate'>: <function _str_to_date_sql>, <class 'sqlglot.expressions.StrToTime'>: <function _str_to_date_sql>, <class 'sqlglot.expressions.Stuff'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TableSample'>: <function no_tablesample_sql>, <class 'sqlglot.expressions.TimeFromParts'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TimestampAdd'>: <function date_add_interval_sql.<locals>.func>, <class 'sqlglot.expressions.TimestampDiff'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TimestampSub'>: <function date_add_interval_sql.<locals>.func>, <class 'sqlglot.expressions.TimeStrToUnix'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TimeStrToTime'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TimeToStr'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.Trim'>: <function _trim_sql>, <class 'sqlglot.expressions.TryCast'>: <function no_trycast_sql>, <class 'sqlglot.expressions.TsOrDsAdd'>: <function date_add_sql.<locals>.func>, <class 'sqlglot.expressions.TsOrDsDiff'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TsOrDsToDate'>: <function _ts_or_ds_to_date_sql>, <class 'sqlglot.expressions.UnixToTime'>: <function _unix_to_time_sql>, <class 'sqlglot.expressions.Week'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.WeekOfYear'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.Year'>: <function _remove_ts_or_ds_to_date.<locals>.func>}
UNSIGNED_TYPE_MAPPING = {<Type.UBIGINT: 'UBIGINT'>: 'BIGINT', <Type.UINT: 'UINT'>: 'INT', <Type.UMEDIUMINT: 'UMEDIUMINT'>: 'MEDIUMINT', <Type.USMALLINT: 'USMALLINT'>: 'SMALLINT', <Type.UTINYINT: 'UTINYINT'>: 'TINYINT', <Type.UDECIMAL: 'UDECIMAL'>: 'DECIMAL'}
TIMESTAMP_TYPE_MAPPING = {<Type.TIMESTAMP: 'TIMESTAMP'>: 'DATETIME', <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: 'TIMESTAMP', <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>: 'TIMESTAMP'}
TYPE_MAPPING = {<Type.NCHAR: 'NCHAR'>: 'CHAR', <Type.NVARCHAR: 'NVARCHAR'>: 'VARCHAR', <Type.INET: 'INET'>: 'INET', <Type.ROWVERSION: 'ROWVERSION'>: 'VARBINARY', <Type.UBIGINT: 'UBIGINT'>: 'BIGINT', <Type.UINT: 'UINT'>: 'INT', <Type.UMEDIUMINT: 'UMEDIUMINT'>: 'MEDIUMINT', <Type.USMALLINT: 'USMALLINT'>: 'SMALLINT', <Type.UTINYINT: 'UTINYINT'>: 'TINYINT', <Type.UDECIMAL: 'UDECIMAL'>: 'DECIMAL', <Type.TIMESTAMP: 'TIMESTAMP'>: 'DATETIME', <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: 'TIMESTAMP', <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>: 'TIMESTAMP'}
PROPERTIES_LOCATION = {<class 'sqlglot.expressions.AllowedValuesProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.AlgorithmProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.AutoIncrementProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.AutoRefreshProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.BackupProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.BlockCompressionProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.CharacterSetProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ChecksumProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.CollateProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.CopyGrantsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Cluster'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ClusteredByProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DataBlocksizeProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.DataDeletionProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DefinerProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.DictRange'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DictProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DynamicProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.DistKeyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DistStyleProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.EmptyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.EngineProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ExecuteAsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ExternalProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.FallbackProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.FileFormatProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.FreespaceProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.GlobalProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.HeapProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.InheritsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.IcebergProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.InputModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.IsolatedLoadingProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.JournalProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.LanguageProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LikeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LocationProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LockProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LockingProperty'>: <Location.POST_ALIAS: 'POST_ALIAS'>, <class 'sqlglot.expressions.LogProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.MaterializedProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.MergeBlockRatioProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.NoPrimaryIndexProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.OnProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.OnCommitProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.Order'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.OutputModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.PartitionedByProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.PartitionedOfProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.PrimaryKey'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Property'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.RemoteWithConnectionModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ReturnsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatDelimitedProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatSerdeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SampleProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SchemaCommentProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SecureProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.SerdeProperties'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Set'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SettingsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SetProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.SetConfigProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SharingProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.SequenceProperties'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.SortKeyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SqlReadWriteProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SqlSecurityProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.StabilityProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.StreamingTableProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.StrictProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.TemporaryProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.ToTableProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.TransientProperty'>: <Location.UNSUPPORTED: 'UNSUPPORTED'>, <class 'sqlglot.expressions.TransformModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.MergeTreeTTL'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.UnloggedProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.ViewAttributeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.VolatileProperty'>: <Location.UNSUPPORTED: 'UNSUPPORTED'>, <class 'sqlglot.expressions.WithDataProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.WithJournalTableProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.WithSchemaBindingProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.WithSystemVersioningProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>}
LIMIT_FETCH = 'LIMIT'
LIMIT_ONLY_LITERALS = True
CHAR_CAST_MAPPING = {<Type.LONGTEXT: 'LONGTEXT'>: 'CHAR', <Type.LONGBLOB: 'LONGBLOB'>: 'CHAR', <Type.MEDIUMBLOB: 'MEDIUMBLOB'>: 'CHAR', <Type.MEDIUMTEXT: 'MEDIUMTEXT'>: 'CHAR', <Type.TEXT: 'TEXT'>: 'CHAR', <Type.TINYBLOB: 'TINYBLOB'>: 'CHAR', <Type.TINYTEXT: 'TINYTEXT'>: 'CHAR', <Type.VARCHAR: 'VARCHAR'>: 'CHAR'}
SIGNED_CAST_MAPPING = {<Type.BIGINT: 'BIGINT'>: 'SIGNED', <Type.BOOLEAN: 'BOOLEAN'>: 'SIGNED', <Type.INT: 'INT'>: 'SIGNED', <Type.SMALLINT: 'SMALLINT'>: 'SIGNED', <Type.TINYINT: 'TINYINT'>: 'SIGNED', <Type.MEDIUMINT: 'MEDIUMINT'>: 'SIGNED'}
CAST_MAPPING = {<Type.LONGTEXT: 'LONGTEXT'>: 'CHAR', <Type.LONGBLOB: 'LONGBLOB'>: 'CHAR', <Type.MEDIUMBLOB: 'MEDIUMBLOB'>: 'CHAR', <Type.MEDIUMTEXT: 'MEDIUMTEXT'>: 'CHAR', <Type.TEXT: 'TEXT'>: 'CHAR', <Type.TINYBLOB: 'TINYBLOB'>: 'CHAR', <Type.TINYTEXT: 'TINYTEXT'>: 'CHAR', <Type.VARCHAR: 'VARCHAR'>: 'CHAR', <Type.BIGINT: 'BIGINT'>: 'SIGNED', <Type.BOOLEAN: 'BOOLEAN'>: 'SIGNED', <Type.INT: 'INT'>: 'SIGNED', <Type.SMALLINT: 'SMALLINT'>: 'SIGNED', <Type.TINYINT: 'TINYINT'>: 'SIGNED', <Type.MEDIUMINT: 'MEDIUMINT'>: 'SIGNED', <Type.UBIGINT: 'UBIGINT'>: 'UNSIGNED'}
TIMESTAMP_FUNC_TYPES = {<Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>}
RESERVED_KEYWORDS = {'true', 'get', 'partition', 'into', 'distinctrow', 'of', 'window', 'mod', 'reads', 'day_minute', 'database', 'with', 'limit', 'last_value', 'else', 'purge', 'case', 'int3', 'utc_time', 'describe', 'alter', 'exit', 'utc_timestamp', 'add', 'call', 'localtime', 'rlike', 'delayed', 'percent_rank', 'union', 'accessible', 'declare', 'deterministic', 'require', 'zerofill', 'outer', 'lock', 'by', 'rank', 'second_microsecond', 'restrict', 'localtimestamp', 'set', 'from', 'integer', 'drop', 'spatial', 'interval', 'foreign', 'io_before_gtids', 'real', 'each', 'keys', 'hour_minute', 'utc_date', 'force', 'explain', 'specific', 'asc', 'stored', 'index', 'nth_value', 'leading', 'primary', 'column', 'precision', 'rows', 'lines', 'replace', 'if', 'tinyblob', 'optimize', 'resignal', 'starting', 'except', 'hour_second', 'fulltext', 'row', 'use', 'enclosed', 'int', 'tinytext', 'order', 'grant', 'table', 'fetch', 'lead', 'select', 'xor', 'is', 'straight_join', 'check', 'references', 'double', 'insert', 'signal', 'varying', 'sqlstate', 'current_time', 'blob', 'all', 'row_number', 'generated', 'condition', 'recursive', 'float8', 'dec', 'grouping', 'escaped', 'middleint', 'out', 'virtual', 'float', 'cube', 'distinct', 'rename', 'inner', 'range', 'sql_calc_found_rows', 'mediumint', 'while', 'intersect', 'before', 'convert', 'maxvalue', 'separator', 'iterate', 'sqlwarning', 'minute_microsecond', 'system', 'right', 'tinyint', 'having', 'write', 'mediumtext', 'outfile', 'bigint', 'groups', 'as', 'high_priority', 'cursor', 'no_write_to_binlog', 'desc', 'change', 'low_priority', 'terminated', 'and', 'then', 'varbinary', 'when', 'regexp', 'usage', 'unsigned', 'join', 'day_second', 'empty', 'master_ssl_verify_server_cert', 'sql', 'not', 'update', 'current_timestamp', 'json_table', 'null', 'int1', 'minute_second', 'current_date', 'sqlexception', 'lateral', 'between', 'ntile', 'read_write', 'option', 'mediumblob', 'hour_microsecond', 'schema', 'year_month', 'unlock', 'sql_small_result', 'read', 'values', 'char', 'delete', 'longblob', 'over', 'infile', 'load', 'unique', 'int8', 'linear', 'match', 'both', 'insensitive', 'int2', 'group', 'smallint', 'float4', 'int4', 'numeric', 'sql_big_result', 'using', 'databases', 'default', 'longtext', 'left', 'show', 'modifies', 'create', 'cume_dist', 'leave', 'elseif', 'schemas', 'dense_rank', 'cross', 'to', 'div', 'key', 'io_after_gtids', 'asensitive', 'undo', 'long', 'lag', 'master_bind', 'character', 'collate', 'release', 'revoke', 'varcharacter', 'dual', 'constraint', 'loop', 'optionally', 'trigger', 'varchar', 'exists', 'false', 'sensitive', 'current_user', 'decimal', 'ignore', 'on', 'analyze', 'natural', 'optimizer_costs', 'continue', 'kill', 'for', 'return', 'in', 'like', 'day_hour', 'where', 'cascade', 'trailing', 'function', 'inout', 'procedure', 'first_value', 'binary', 'day_microsecond', 'or', 'repeat', 'ssl'}
def array_sql(self, expression: sqlglot.expressions.Array) -> str:
1105        def array_sql(self, expression: exp.Array) -> str:
1106            self.unsupported("Arrays are not supported by MySQL")
1107            return self.function_fallback_sql(expression)
def arraycontainsall_sql(self, expression: sqlglot.expressions.ArrayContainsAll) -> str:
1109        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1110            self.unsupported("Array operations are not supported by MySQL")
1111            return self.function_fallback_sql(expression)
def dpipe_sql(self, expression: sqlglot.expressions.DPipe) -> str:
1113        def dpipe_sql(self, expression: exp.DPipe) -> str:
1114            return self.func("CONCAT", *expression.flatten())
def extract_sql(self, expression: sqlglot.expressions.Extract) -> str:
1116        def extract_sql(self, expression: exp.Extract) -> str:
1117            unit = expression.name
1118            if unit and unit.lower() == "epoch":
1119                return self.func("UNIX_TIMESTAMP", expression.expression)
1120
1121            return super().extract_sql(expression)
def datatype_sql(self, expression: sqlglot.expressions.DataType) -> str:
1123        def datatype_sql(self, expression: exp.DataType) -> str:
1124            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1125            result = super().datatype_sql(expression)
1126            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1127                result = f"{result} UNSIGNED"
1128            return result
def jsonarraycontains_sql(self, expression: sqlglot.expressions.JSONArrayContains) -> str:
1130        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1131            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:
1133        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1134            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1135                return self.func("TIMESTAMP", expression.this)
1136
1137            to = self.CAST_MAPPING.get(expression.to.this)
1138
1139            if to:
1140                expression.to.set("this", to)
1141            return super().cast_sql(expression)
def show_sql(self, expression: sqlglot.expressions.Show) -> str:
1143        def show_sql(self, expression: exp.Show) -> str:
1144            this = f" {expression.name}"
1145            full = " FULL" if expression.args.get("full") else ""
1146            global_ = " GLOBAL" if expression.args.get("global") else ""
1147
1148            target = self.sql(expression, "target")
1149            target = f" {target}" if target else ""
1150            if expression.name in ("COLUMNS", "INDEX"):
1151                target = f" FROM{target}"
1152            elif expression.name == "GRANTS":
1153                target = f" FOR{target}"
1154
1155            db = self._prefixed_sql("FROM", expression, "db")
1156
1157            like = self._prefixed_sql("LIKE", expression, "like")
1158            where = self.sql(expression, "where")
1159
1160            types = self.expressions(expression, key="types")
1161            types = f" {types}" if types else types
1162            query = self._prefixed_sql("FOR QUERY", expression, "query")
1163
1164            if expression.name == "PROFILE":
1165                offset = self._prefixed_sql("OFFSET", expression, "offset")
1166                limit = self._prefixed_sql("LIMIT", expression, "limit")
1167            else:
1168                offset = ""
1169                limit = self._oldstyle_limit_sql(expression)
1170
1171            log = self._prefixed_sql("IN", expression, "log")
1172            position = self._prefixed_sql("FROM", expression, "position")
1173
1174            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1175
1176            if expression.name == "ENGINE":
1177                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1178            else:
1179                mutex_or_status = ""
1180
1181            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:
1183        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1184            dtype = self.sql(expression, "dtype")
1185            if not dtype:
1186                return super().altercolumn_sql(expression)
1187
1188            this = self.sql(expression, "this")
1189            return f"MODIFY COLUMN {this} {dtype}"
def chr_sql(self, expression: sqlglot.expressions.Chr) -> str:
1203        def chr_sql(self, expression: exp.Chr) -> str:
1204            this = self.expressions(sqls=[expression.this] + expression.expressions)
1205            charset = expression.args.get("charset")
1206            using = f" USING {self.sql(charset)}" if charset else ""
1207            return f"CHAR({this}{using})"
def timestamptrunc_sql(self, expression: sqlglot.expressions.TimestampTrunc) -> str:
1209        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1210            unit = expression.args.get("unit")
1211
1212            # Pick an old-enough date to avoid negative timestamp diffs
1213            start_ts = "'0000-01-01 00:00:00'"
1214
1215            # Source: https://stackoverflow.com/a/32955740
1216            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1217            interval = exp.Interval(this=timestamp_diff, unit=unit)
1218            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1219
1220            return self.sql(dateadd)
def converttimezone_sql(self, expression: sqlglot.expressions.ConvertTimezone) -> str:
1222        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1223            from_tz = expression.args.get("source_tz")
1224            to_tz = expression.args.get("target_tz")
1225            dt = expression.args.get("timestamp")
1226
1227            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
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
EXPLICIT_SET_OP
CREATE_FUNCTION_RETURN_AS
MATCHED_BY_SOURCE
SINGLE_STRING_INTERVAL
RENAME_TABLE_WITH_DB
GROUPINGS_SEP
INDEX_ON
QUERY_HINTS
IS_BOOL_ALLOWED
LIMIT_IS_TOP
RETURNING_END
EXTRACT_ALLOWS_QUOTES
TZ_TO_WITH_TIME_ZONE
ALTER_TABLE_INCLUDE_COLUMN_KEYWORD
UNNEST_WITH_ORDINALITY
AGGREGATE_FILTER_SUPPORTED
SEMI_ANTI_JOIN_WITH_SIDE
COMPUTED_COLUMN_WITH_TYPE
SUPPORTS_TABLE_COPY
TABLESAMPLE_REQUIRES_PARENS
TABLESAMPLE_SIZE_IS_ROWS
TABLESAMPLE_KEYWORDS
TABLESAMPLE_WITH_METHOD
TABLESAMPLE_SEED_KEYWORD
COLLATE_IS_FUNC
DATA_TYPE_SPECIFIERS_ALLOWED
ENSURE_BOOLS
CTE_RECURSIVE_KEYWORD_REQUIRED
SUPPORTS_SINGLE_ARG_CONCAT
SUPPORTS_TABLE_ALIAS_COLUMNS
UNPIVOT_ALIASES_ARE_IDENTIFIERS
INSERT_OVERWRITE
SUPPORTS_SELECT_INTO
SUPPORTS_UNLOGGED_TABLES
SUPPORTS_CREATE_TABLE_LIKE
LIKE_PROPERTY_INSIDE_SCHEMA
MULTI_ARG_DISTINCT
JSON_PATH_SINGLE_QUOTE_ESCAPE
SUPPORTED_JSON_PATH_PARTS
CAN_IMPLEMENT_ARRAY_ANY
SET_OP_MODIFIERS
COPY_PARAMS_ARE_WRAPPED
COPY_PARAMS_EQ_REQUIRED
COPY_HAS_INTO_KEYWORD
STAR_EXCEPT
HEX_FUNC
WITH_PROPERTIES_PREFIX
QUOTE_JSON_PATH
SUPPORTS_EXPLODING_PROJECTIONS
ARRAY_CONCAT_IS_VAR_LEN
SUPPORTS_CONVERT_TIMEZONE
TIME_PART_SINGULARS
TOKEN_MAPPING
STRUCT_DELIMITER
PARAMETER_TOKEN
NAMED_PLACEHOLDER_TOKEN
WITH_SEPARATED_COMMENTS
EXCLUDE_COMMENTS
UNWRAPPED_INTERVAL_VALUES
PARAMETERIZABLE_TEXT_TYPES
EXPRESSIONS_WITHOUT_NESTED_CTES
SENTINEL_LINE_BREAK
pretty
identify
normalize
pad
unsupported_level
max_unsupported
leading_comma
max_text_width
comments
dialect
normalize_functions
unsupported_messages
generate
preprocess
unsupported
sep
seg
pad_comment
maybe_comment
wrap
no_identify
normalize_func
indent
sql
uncache_sql
cache_sql
characterset_sql
column_parts
column_sql
columnposition_sql
columndef_sql
columnconstraint_sql
computedcolumnconstraint_sql
autoincrementcolumnconstraint_sql
compresscolumnconstraint_sql
generatedasidentitycolumnconstraint_sql
generatedasrowcolumnconstraint_sql
periodforsystemtimeconstraint_sql
notnullcolumnconstraint_sql
transformcolumnconstraint_sql
primarykeycolumnconstraint_sql
uniquecolumnconstraint_sql
createable_sql
create_sql
sequenceproperties_sql
clone_sql
describe_sql
heredoc_sql
prepend_ctes
with_sql
cte_sql
tablealias_sql
bitstring_sql
hexstring_sql
bytestring_sql
unicodestring_sql
rawstring_sql
datatypeparam_sql
directory_sql
delete_sql
drop_sql
except_sql
except_op
fetch_sql
filter_sql
hint_sql
indexparameters_sql
index_sql
identifier_sql
hex_sql
lowerhex_sql
inputoutputformat_sql
national_sql
partition_sql
properties_sql
root_properties
properties
with_properties
locate_properties
property_name
property_sql
likeproperty_sql
fallbackproperty_sql
journalproperty_sql
freespaceproperty_sql
checksumproperty_sql
mergeblockratioproperty_sql
datablocksizeproperty_sql
blockcompressionproperty_sql
isolatedloadingproperty_sql
partitionboundspec_sql
partitionedofproperty_sql
lockingproperty_sql
withdataproperty_sql
withsystemversioningproperty_sql
insert_sql
intersect_sql
intersect_op
introducer_sql
kill_sql
pseudotype_sql
objectidentifier_sql
onconflict_sql
returning_sql
rowformatdelimitedproperty_sql
withtablehint_sql
indextablehint_sql
historicaldata_sql
table_parts
table_sql
tablesample_sql
pivot_sql
version_sql
tuple_sql
update_sql
values_sql
var_sql
into_sql
from_sql
group_sql
having_sql
connect_sql
prior_sql
join_sql
lambda_sql
lateral_op
lateral_sql
limit_sql
offset_sql
setitem_sql
set_sql
pragma_sql
lock_sql
literal_sql
escape_str
loaddata_sql
null_sql
boolean_sql
order_sql
withfill_sql
cluster_sql
distribute_sql
sort_sql
ordered_sql
matchrecognizemeasure_sql
matchrecognize_sql
query_modifiers
options_modifier
queryoption_sql
offset_limit_modifiers
after_limit_modifiers
select_sql
schema_sql
schema_columns_sql
star_sql
parameter_sql
sessionparameter_sql
placeholder_sql
subquery_sql
qualify_sql
set_operations
union_sql
union_op
unnest_sql
prewhere_sql
where_sql
window_sql
partition_by_sql
windowspec_sql
withingroup_sql
between_sql
bracket_offset_expressions
bracket_sql
all_sql
any_sql
exists_sql
case_sql
constraint_sql
nextvaluefor_sql
trim_sql
convert_concat_args
concat_sql
concatws_sql
check_sql
foreignkey_sql
primarykey_sql
if_sql
matchagainst_sql
jsonkeyvalue_sql
jsonpath_sql
json_path_part
formatjson_sql
jsonobject_sql
jsonobjectagg_sql
jsonarray_sql
jsonarrayagg_sql
jsoncolumndef_sql
jsonschema_sql
jsontable_sql
openjsoncolumndef_sql
openjson_sql
in_sql
in_unnest_op
interval_sql
return_sql
reference_sql
anonymous_sql
paren_sql
neg_sql
not_sql
alias_sql
pivotalias_sql
aliases_sql
atindex_sql
attimezone_sql
fromtimezone_sql
add_sql
and_sql
or_sql
xor_sql
connector_sql
bitwiseand_sql
bitwiseleftshift_sql
bitwisenot_sql
bitwiseor_sql
bitwiserightshift_sql
bitwisexor_sql
currentdate_sql
collate_sql
command_sql
comment_sql
mergetreettlaction_sql
mergetreettl_sql
transaction_sql
commit_sql
rollback_sql
alterdiststyle_sql
altersortkey_sql
renametable_sql
renamecolumn_sql
alterset_sql
alter_sql
add_column_sql
droppartition_sql
addconstraint_sql
distinct_sql
ignorenulls_sql
respectnulls_sql
havingmax_sql
intdiv_sql
div_sql
overlaps_sql
distance_sql
dot_sql
eq_sql
propertyeq_sql
escape_sql
glob_sql
gt_sql
gte_sql
ilike_sql
ilikeany_sql
is_sql
like_sql
likeany_sql
similarto_sql
lt_sql
lte_sql
mod_sql
mul_sql
neq_sql
nullsafeeq_sql
nullsafeneq_sql
slice_sql
sub_sql
trycast_sql
try_sql
log_sql
use_sql
binary
function_fallback_sql
func
format_args
too_wide
format_time
expressions
op_expressions
naked_property
tag_sql
token_sql
userdefinedfunction_sql
joinhint_sql
kwarg_sql
when_sql
merge_sql
tochar_sql
tonumber_sql
dictproperty_sql
dictrange_sql
dictsubproperty_sql
oncluster_sql
clusteredbyproperty_sql
anyvalue_sql
querytransform_sql
indexconstraintoption_sql
checkcolumnconstraint_sql
indexcolumnconstraint_sql
nvl2_sql
comprehension_sql
columnprefix_sql
opclass_sql
predict_sql
forin_sql
refresh_sql
operator_sql
toarray_sql
tsordstotime_sql
tsordstotimestamp_sql
tsordstodate_sql
unixdate_sql
lastday_sql
dateadd_sql
arrayany_sql
struct_sql
partitionrange_sql
truncatetable_sql
convert_sql
copyparameter_sql
credentials_sql
copy_sql
semicolon_sql
datadeletionproperty_sql
maskingpolicycolumnconstraint_sql
gapfill_sql
scope_resolution
scoperesolution_sql
parsejson_sql
rand_sql
changes_sql
pad_sql
summarize_sql
explodinggenerateseries_sql
arrayconcat_sql