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sqlglot.dialects.mysql

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

Whether an unquoted identifier can start with a digit.

NORMALIZATION_STRATEGY = <NormalizationStrategy.CASE_SENSITIVE: 'CASE_SENSITIVE'>

Specifies the strategy according to which identifiers should be normalized.

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

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

SUPPORTS_USER_DEFINED_TYPES = False

Whether user-defined data types are supported.

SUPPORTS_SEMI_ANTI_JOIN = False

Whether SEMI or ANTI joins are supported.

SAFE_DIVISION = True

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

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

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

SUPPORTS_COLUMN_JOIN_MARKS = False

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

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

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

tokenizer_class = <class 'MySQL.Tokenizer'>
jsonpath_tokenizer_class = <class 'sqlglot.tokens.JSONPathTokenizer'>
parser_class = <class 'MySQL.Parser'>
generator_class = <class 'MySQL.Generator'>
TIME_TRIE: Dict = {'%': {'M': {0: True}, 'c': {0: True}, 'e': {0: True}, 'h': {0: True}, 'i': {0: True}, 's': {0: True}, 'u': {0: True}, 'k': {0: True}, 'l': {0: True}, 'T': {0: True}, 'W': {0: True}}}
FORMAT_TRIE: Dict = {'%': {'M': {0: True}, 'c': {0: True}, 'e': {0: True}, 'h': {0: True}, 'i': {0: True}, 's': {0: True}, 'u': {0: True}, 'k': {0: True}, 'l': {0: True}, 'T': {0: True}, 'W': {0: True}}}
INVERSE_TIME_MAPPING: Dict[str, str] = {'%B': '%M', '%-m': '%c', '%-d': '%e', '%I': '%h', '%M': '%i', '%S': '%s', '%W': '%u', '%-H': '%k', '%-I': '%l', '%H:%M:%S': '%T', '%A': '%W'}
INVERSE_TIME_TRIE: Dict = {'%': {'B': {0: True}, '-': {'m': {0: True}, 'd': {0: True}, 'H': {0: True}, 'I': {0: True}}, 'I': {0: True}, 'M': {0: True}, 'S': {0: True}, 'W': {0: True}, 'H': {':': {'%': {'M': {':': {'%': {'S': {0: True}}}}}}}, 'A': {0: True}}}
INVERSE_FORMAT_MAPPING: Dict[str, str] = {}
INVERSE_FORMAT_TRIE: Dict = {}
INVERSE_CREATABLE_KIND_MAPPING: dict[str, str] = {}
ESCAPED_SEQUENCES: Dict[str, str] = {'\x07': '\\a', '\x08': '\\b', '\x0c': '\\f', '\n': '\\n', '\r': '\\r', '\t': '\\t', '\x0b': '\\v', '\\': '\\\\'}
QUOTE_START = "'"
QUOTE_END = "'"
IDENTIFIER_START = '`'
IDENTIFIER_END = '`'
BIT_START: Optional[str] = "b'"
BIT_END: Optional[str] = "'"
HEX_START: Optional[str] = "x'"
HEX_END: Optional[str] = "'"
BYTE_START: Optional[str] = None
BYTE_END: Optional[str] = None
UNICODE_START: Optional[str] = None
UNICODE_END: Optional[str] = None
class MySQL.Tokenizer(sqlglot.tokens.Tokenizer):
180    class Tokenizer(tokens.Tokenizer):
181        QUOTES = ["'", '"']
182        COMMENTS = ["--", "#", ("/*", "*/")]
183        IDENTIFIERS = ["`"]
184        STRING_ESCAPES = ["'", '"', "\\"]
185        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
186        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
187
188        KEYWORDS = {
189            **tokens.Tokenizer.KEYWORDS,
190            "CHARSET": TokenType.CHARACTER_SET,
191            "FORCE": TokenType.FORCE,
192            "IGNORE": TokenType.IGNORE,
193            "KEY": TokenType.KEY,
194            "LOCK TABLES": TokenType.COMMAND,
195            "LONGBLOB": TokenType.LONGBLOB,
196            "LONGTEXT": TokenType.LONGTEXT,
197            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
198            "TINYBLOB": TokenType.TINYBLOB,
199            "TINYTEXT": TokenType.TINYTEXT,
200            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
201            "MEDIUMINT": TokenType.MEDIUMINT,
202            "MEMBER OF": TokenType.MEMBER_OF,
203            "SEPARATOR": TokenType.SEPARATOR,
204            "START": TokenType.BEGIN,
205            "SIGNED": TokenType.BIGINT,
206            "SIGNED INTEGER": TokenType.BIGINT,
207            "UNLOCK TABLES": TokenType.COMMAND,
208            "UNSIGNED": TokenType.UBIGINT,
209            "UNSIGNED INTEGER": TokenType.UBIGINT,
210            "YEAR": TokenType.YEAR,
211            "_ARMSCII8": TokenType.INTRODUCER,
212            "_ASCII": TokenType.INTRODUCER,
213            "_BIG5": TokenType.INTRODUCER,
214            "_BINARY": TokenType.INTRODUCER,
215            "_CP1250": TokenType.INTRODUCER,
216            "_CP1251": TokenType.INTRODUCER,
217            "_CP1256": TokenType.INTRODUCER,
218            "_CP1257": TokenType.INTRODUCER,
219            "_CP850": TokenType.INTRODUCER,
220            "_CP852": TokenType.INTRODUCER,
221            "_CP866": TokenType.INTRODUCER,
222            "_CP932": TokenType.INTRODUCER,
223            "_DEC8": TokenType.INTRODUCER,
224            "_EUCJPMS": TokenType.INTRODUCER,
225            "_EUCKR": TokenType.INTRODUCER,
226            "_GB18030": TokenType.INTRODUCER,
227            "_GB2312": TokenType.INTRODUCER,
228            "_GBK": TokenType.INTRODUCER,
229            "_GEOSTD8": TokenType.INTRODUCER,
230            "_GREEK": TokenType.INTRODUCER,
231            "_HEBREW": TokenType.INTRODUCER,
232            "_HP8": TokenType.INTRODUCER,
233            "_KEYBCS2": TokenType.INTRODUCER,
234            "_KOI8R": TokenType.INTRODUCER,
235            "_KOI8U": TokenType.INTRODUCER,
236            "_LATIN1": TokenType.INTRODUCER,
237            "_LATIN2": TokenType.INTRODUCER,
238            "_LATIN5": TokenType.INTRODUCER,
239            "_LATIN7": TokenType.INTRODUCER,
240            "_MACCE": TokenType.INTRODUCER,
241            "_MACROMAN": TokenType.INTRODUCER,
242            "_SJIS": TokenType.INTRODUCER,
243            "_SWE7": TokenType.INTRODUCER,
244            "_TIS620": TokenType.INTRODUCER,
245            "_UCS2": TokenType.INTRODUCER,
246            "_UJIS": TokenType.INTRODUCER,
247            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
248            "_UTF8": TokenType.INTRODUCER,
249            "_UTF16": TokenType.INTRODUCER,
250            "_UTF16LE": TokenType.INTRODUCER,
251            "_UTF32": TokenType.INTRODUCER,
252            "_UTF8MB3": TokenType.INTRODUCER,
253            "_UTF8MB4": TokenType.INTRODUCER,
254            "@@": TokenType.SESSION_PARAMETER,
255        }
256
257        COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW}
QUOTES = ["'", '"']
COMMENTS = ['--', '#', ('/*', '*/')]
IDENTIFIERS = ['`']
STRING_ESCAPES = ["'", '"', '\\']
BIT_STRINGS = [("b'", "'"), ("B'", "'"), ('0b', '')]
HEX_STRINGS = [("x'", "'"), ("X'", "'"), ('0x', '')]
KEYWORDS = {'{%': <TokenType.BLOCK_START: 'BLOCK_START'>, '{%+': <TokenType.BLOCK_START: 'BLOCK_START'>, '{%-': <TokenType.BLOCK_START: 'BLOCK_START'>, '%}': <TokenType.BLOCK_END: 'BLOCK_END'>, '+%}': <TokenType.BLOCK_END: 'BLOCK_END'>, '-%}': <TokenType.BLOCK_END: 'BLOCK_END'>, '{{+': <TokenType.BLOCK_START: 'BLOCK_START'>, '{{-': <TokenType.BLOCK_START: 'BLOCK_START'>, '+}}': <TokenType.BLOCK_END: 'BLOCK_END'>, '-}}': <TokenType.BLOCK_END: 'BLOCK_END'>, '/*+': <TokenType.HINT: 'HINT'>, '==': <TokenType.EQ: 'EQ'>, '::': <TokenType.DCOLON: 'DCOLON'>, '||': <TokenType.DPIPE: 'DPIPE'>, '>=': <TokenType.GTE: 'GTE'>, '<=': <TokenType.LTE: 'LTE'>, '<>': <TokenType.NEQ: 'NEQ'>, '!=': <TokenType.NEQ: 'NEQ'>, ':=': <TokenType.COLON_EQ: 'COLON_EQ'>, '<=>': <TokenType.NULLSAFE_EQ: 'NULLSAFE_EQ'>, '->': <TokenType.ARROW: 'ARROW'>, '->>': <TokenType.DARROW: 'DARROW'>, '=>': <TokenType.FARROW: 'FARROW'>, '#>': <TokenType.HASH_ARROW: 'HASH_ARROW'>, '#>>': <TokenType.DHASH_ARROW: 'DHASH_ARROW'>, '<->': <TokenType.LR_ARROW: 'LR_ARROW'>, '&&': <TokenType.DAMP: 'DAMP'>, '??': <TokenType.DQMARK: 'DQMARK'>, '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'>, 'DECIMAL32': <TokenType.DECIMAL32: 'DECIMAL32'>, 'DECIMAL64': <TokenType.DECIMAL64: 'DECIMAL64'>, 'DECIMAL128': <TokenType.DECIMAL128: 'DECIMAL128'>, 'BIGDECIMAL': <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, 'BIGNUMERIC': <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, 'LIST': <TokenType.LIST: 'LIST'>, 'MAP': <TokenType.MAP: 'MAP'>, 'NULLABLE': <TokenType.NULLABLE: 'NULLABLE'>, 'NUMBER': <TokenType.DECIMAL: 'DECIMAL'>, 'NUMERIC': <TokenType.DECIMAL: 'DECIMAL'>, 'FIXED': <TokenType.DECIMAL: 'DECIMAL'>, 'REAL': <TokenType.FLOAT: 'FLOAT'>, 'FLOAT': <TokenType.FLOAT: 'FLOAT'>, 'FLOAT4': <TokenType.FLOAT: 'FLOAT'>, 'FLOAT8': <TokenType.DOUBLE: 'DOUBLE'>, 'DOUBLE': <TokenType.DOUBLE: 'DOUBLE'>, 'DOUBLE PRECISION': <TokenType.DOUBLE: 'DOUBLE'>, 'JSON': <TokenType.JSON: 'JSON'>, 'JSONB': <TokenType.JSONB: 'JSONB'>, 'CHAR': <TokenType.CHAR: 'CHAR'>, 'CHARACTER': <TokenType.CHAR: 'CHAR'>, 'NCHAR': <TokenType.NCHAR: 'NCHAR'>, 'VARCHAR': <TokenType.VARCHAR: 'VARCHAR'>, 'VARCHAR2': <TokenType.VARCHAR: 'VARCHAR'>, 'NVARCHAR': <TokenType.NVARCHAR: 'NVARCHAR'>, 'NVARCHAR2': <TokenType.NVARCHAR: 'NVARCHAR'>, 'BPCHAR': <TokenType.BPCHAR: 'BPCHAR'>, 'STR': <TokenType.TEXT: 'TEXT'>, 'STRING': <TokenType.TEXT: 'TEXT'>, 'TEXT': <TokenType.TEXT: 'TEXT'>, 'LONGTEXT': <TokenType.LONGTEXT: 'LONGTEXT'>, 'MEDIUMTEXT': <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, 'TINYTEXT': <TokenType.TINYTEXT: 'TINYTEXT'>, 'CLOB': <TokenType.TEXT: 'TEXT'>, 'LONGVARCHAR': <TokenType.TEXT: 'TEXT'>, 'BINARY': <TokenType.BINARY: 'BINARY'>, 'BLOB': <TokenType.VARBINARY: 'VARBINARY'>, 'LONGBLOB': <TokenType.LONGBLOB: 'LONGBLOB'>, 'MEDIUMBLOB': <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, 'TINYBLOB': <TokenType.TINYBLOB: 'TINYBLOB'>, 'BYTEA': <TokenType.VARBINARY: 'VARBINARY'>, 'VARBINARY': <TokenType.VARBINARY: 'VARBINARY'>, 'TIME': <TokenType.TIME: 'TIME'>, 'TIMETZ': <TokenType.TIMETZ: 'TIMETZ'>, 'TIMESTAMP': <TokenType.TIMESTAMP: 'TIMESTAMP'>, 'TIMESTAMPTZ': <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, 'TIMESTAMPLTZ': <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, 'TIMESTAMP_LTZ': <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, 'TIMESTAMPNTZ': <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, 'TIMESTAMP_NTZ': <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, 'DATE': <TokenType.DATE: 'DATE'>, 'DATETIME': <TokenType.DATETIME: 'DATETIME'>, 'INT4RANGE': <TokenType.INT4RANGE: 'INT4RANGE'>, 'INT4MULTIRANGE': <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, 'INT8RANGE': <TokenType.INT8RANGE: 'INT8RANGE'>, 'INT8MULTIRANGE': <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, 'NUMRANGE': <TokenType.NUMRANGE: 'NUMRANGE'>, 'NUMMULTIRANGE': <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, 'TSRANGE': <TokenType.TSRANGE: 'TSRANGE'>, 'TSMULTIRANGE': <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, 'TSTZRANGE': <TokenType.TSTZRANGE: 'TSTZRANGE'>, 'TSTZMULTIRANGE': <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, 'DATERANGE': <TokenType.DATERANGE: 'DATERANGE'>, 'DATEMULTIRANGE': <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, 'UNIQUE': <TokenType.UNIQUE: 'UNIQUE'>, 'VECTOR': <TokenType.VECTOR: 'VECTOR'>, 'STRUCT': <TokenType.STRUCT: 'STRUCT'>, 'SEQUENCE': <TokenType.SEQUENCE: 'SEQUENCE'>, 'VARIANT': <TokenType.VARIANT: 'VARIANT'>, 'ALTER': <TokenType.ALTER: 'ALTER'>, 'ANALYZE': <TokenType.COMMAND: 'COMMAND'>, 'CALL': <TokenType.COMMAND: 'COMMAND'>, 'COMMENT': <TokenType.COMMENT: 'COMMENT'>, 'EXPLAIN': <TokenType.COMMAND: 'COMMAND'>, 'GRANT': <TokenType.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.FETCH: 'FETCH'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.RENAME: 'RENAME'>}
class MySQL.Parser(sqlglot.parser.Parser):
259    class Parser(parser.Parser):
260        FUNC_TOKENS = {
261            *parser.Parser.FUNC_TOKENS,
262            TokenType.DATABASE,
263            TokenType.SCHEMA,
264            TokenType.VALUES,
265        }
266
267        CONJUNCTION = {
268            **parser.Parser.CONJUNCTION,
269            TokenType.DAMP: exp.And,
270            TokenType.XOR: exp.Xor,
271        }
272
273        DISJUNCTION = {
274            **parser.Parser.DISJUNCTION,
275            TokenType.DPIPE: exp.Or,
276        }
277
278        TABLE_ALIAS_TOKENS = (
279            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
280        )
281
282        RANGE_PARSERS = {
283            **parser.Parser.RANGE_PARSERS,
284            TokenType.MEMBER_OF: lambda self, this: self.expression(
285                exp.JSONArrayContains,
286                this=this,
287                expression=self._parse_wrapped(self._parse_expression),
288            ),
289        }
290
291        FUNCTIONS = {
292            **parser.Parser.FUNCTIONS,
293            "CONVERT_TZ": lambda args: exp.ConvertTimezone(
294                source_tz=seq_get(args, 1), target_tz=seq_get(args, 2), timestamp=seq_get(args, 0)
295            ),
296            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
297            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
298            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
299            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
300            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
301            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
302            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
303            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
304            "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)),
305            "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"),
306            "ISNULL": isnull_to_is_null,
307            "LOCATE": locate_to_strposition,
308            "MAKETIME": exp.TimeFromParts.from_arg_list,
309            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
310            "MONTHNAME": lambda args: exp.TimeToStr(
311                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
312                format=exp.Literal.string("%B"),
313            ),
314            "STR_TO_DATE": _str_to_date,
315            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
316            "TO_DAYS": lambda args: exp.paren(
317                exp.DateDiff(
318                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
319                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
320                    unit=exp.var("DAY"),
321                )
322                + 1
323            ),
324            "WEEK": lambda args: exp.Week(
325                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
326            ),
327            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
328            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
329        }
330
331        FUNCTION_PARSERS = {
332            **parser.Parser.FUNCTION_PARSERS,
333            "CHAR": lambda self: self._parse_chr(),
334            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
335            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
336            "VALUES": lambda self: self.expression(
337                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
338            ),
339            "JSON_VALUE": lambda self: self._parse_json_value(),
340        }
341
342        STATEMENT_PARSERS = {
343            **parser.Parser.STATEMENT_PARSERS,
344            TokenType.SHOW: lambda self: self._parse_show(),
345        }
346
347        SHOW_PARSERS = {
348            "BINARY LOGS": _show_parser("BINARY LOGS"),
349            "MASTER LOGS": _show_parser("BINARY LOGS"),
350            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
351            "CHARACTER SET": _show_parser("CHARACTER SET"),
352            "CHARSET": _show_parser("CHARACTER SET"),
353            "COLLATION": _show_parser("COLLATION"),
354            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
355            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
356            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
357            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
358            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
359            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
360            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
361            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
362            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
363            "DATABASES": _show_parser("DATABASES"),
364            "SCHEMAS": _show_parser("DATABASES"),
365            "ENGINE": _show_parser("ENGINE", target=True),
366            "STORAGE ENGINES": _show_parser("ENGINES"),
367            "ENGINES": _show_parser("ENGINES"),
368            "ERRORS": _show_parser("ERRORS"),
369            "EVENTS": _show_parser("EVENTS"),
370            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
371            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
372            "GRANTS": _show_parser("GRANTS", target="FOR"),
373            "INDEX": _show_parser("INDEX", target="FROM"),
374            "MASTER STATUS": _show_parser("MASTER STATUS"),
375            "OPEN TABLES": _show_parser("OPEN TABLES"),
376            "PLUGINS": _show_parser("PLUGINS"),
377            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
378            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
379            "PRIVILEGES": _show_parser("PRIVILEGES"),
380            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
381            "PROCESSLIST": _show_parser("PROCESSLIST"),
382            "PROFILE": _show_parser("PROFILE"),
383            "PROFILES": _show_parser("PROFILES"),
384            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
385            "REPLICAS": _show_parser("REPLICAS"),
386            "SLAVE HOSTS": _show_parser("REPLICAS"),
387            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
388            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
389            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
390            "SESSION STATUS": _show_parser("STATUS"),
391            "STATUS": _show_parser("STATUS"),
392            "TABLE STATUS": _show_parser("TABLE STATUS"),
393            "FULL TABLES": _show_parser("TABLES", full=True),
394            "TABLES": _show_parser("TABLES"),
395            "TRIGGERS": _show_parser("TRIGGERS"),
396            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
397            "SESSION VARIABLES": _show_parser("VARIABLES"),
398            "VARIABLES": _show_parser("VARIABLES"),
399            "WARNINGS": _show_parser("WARNINGS"),
400        }
401
402        PROPERTY_PARSERS = {
403            **parser.Parser.PROPERTY_PARSERS,
404            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
405        }
406
407        SET_PARSERS = {
408            **parser.Parser.SET_PARSERS,
409            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
410            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
411            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
412            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
413            "NAMES": lambda self: self._parse_set_item_names(),
414        }
415
416        CONSTRAINT_PARSERS = {
417            **parser.Parser.CONSTRAINT_PARSERS,
418            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
419            "INDEX": lambda self: self._parse_index_constraint(),
420            "KEY": lambda self: self._parse_index_constraint(),
421            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
422        }
423
424        ALTER_PARSERS = {
425            **parser.Parser.ALTER_PARSERS,
426            "MODIFY": lambda self: self._parse_alter_table_alter(),
427        }
428
429        SCHEMA_UNNAMED_CONSTRAINTS = {
430            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
431            "FULLTEXT",
432            "INDEX",
433            "KEY",
434            "SPATIAL",
435        }
436
437        PROFILE_TYPES: parser.OPTIONS_TYPE = {
438            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
439            "BLOCK": ("IO",),
440            "CONTEXT": ("SWITCHES",),
441            "PAGE": ("FAULTS",),
442        }
443
444        TYPE_TOKENS = {
445            *parser.Parser.TYPE_TOKENS,
446            TokenType.SET,
447        }
448
449        ENUM_TYPE_TOKENS = {
450            *parser.Parser.ENUM_TYPE_TOKENS,
451            TokenType.SET,
452        }
453
454        LOG_DEFAULTS_TO_LN = True
455        STRING_ALIASES = True
456        VALUES_FOLLOWED_BY_PAREN = False
457        SUPPORTS_PARTITION_SELECTION = True
458
459        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
460            this = self._parse_id_var()
461            if not self._match(TokenType.L_PAREN):
462                return this
463
464            expression = self._parse_number()
465            self._match_r_paren()
466            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
467
468        def _parse_index_constraint(
469            self, kind: t.Optional[str] = None
470        ) -> exp.IndexColumnConstraint:
471            if kind:
472                self._match_texts(("INDEX", "KEY"))
473
474            this = self._parse_id_var(any_token=False)
475            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
476            expressions = self._parse_wrapped_csv(self._parse_ordered)
477
478            options = []
479            while True:
480                if self._match_text_seq("KEY_BLOCK_SIZE"):
481                    self._match(TokenType.EQ)
482                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
483                elif self._match(TokenType.USING):
484                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
485                elif self._match_text_seq("WITH", "PARSER"):
486                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
487                elif self._match(TokenType.COMMENT):
488                    opt = exp.IndexConstraintOption(comment=self._parse_string())
489                elif self._match_text_seq("VISIBLE"):
490                    opt = exp.IndexConstraintOption(visible=True)
491                elif self._match_text_seq("INVISIBLE"):
492                    opt = exp.IndexConstraintOption(visible=False)
493                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
494                    self._match(TokenType.EQ)
495                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
496                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
497                    self._match(TokenType.EQ)
498                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
499                else:
500                    opt = None
501
502                if not opt:
503                    break
504
505                options.append(opt)
506
507            return self.expression(
508                exp.IndexColumnConstraint,
509                this=this,
510                expressions=expressions,
511                kind=kind,
512                index_type=index_type,
513                options=options,
514            )
515
516        def _parse_show_mysql(
517            self,
518            this: str,
519            target: bool | str = False,
520            full: t.Optional[bool] = None,
521            global_: t.Optional[bool] = None,
522        ) -> exp.Show:
523            if target:
524                if isinstance(target, str):
525                    self._match_text_seq(target)
526                target_id = self._parse_id_var()
527            else:
528                target_id = None
529
530            log = self._parse_string() if self._match_text_seq("IN") else None
531
532            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
533                position = self._parse_number() if self._match_text_seq("FROM") else None
534                db = None
535            else:
536                position = None
537                db = None
538
539                if self._match(TokenType.FROM):
540                    db = self._parse_id_var()
541                elif self._match(TokenType.DOT):
542                    db = target_id
543                    target_id = self._parse_id_var()
544
545            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
546
547            like = self._parse_string() if self._match_text_seq("LIKE") else None
548            where = self._parse_where()
549
550            if this == "PROFILE":
551                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
552                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
553                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
554                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
555            else:
556                types, query = None, None
557                offset, limit = self._parse_oldstyle_limit()
558
559            mutex = True if self._match_text_seq("MUTEX") else None
560            mutex = False if self._match_text_seq("STATUS") else mutex
561
562            return self.expression(
563                exp.Show,
564                this=this,
565                target=target_id,
566                full=full,
567                log=log,
568                position=position,
569                db=db,
570                channel=channel,
571                like=like,
572                where=where,
573                types=types,
574                query=query,
575                offset=offset,
576                limit=limit,
577                mutex=mutex,
578                **{"global": global_},  # type: ignore
579            )
580
581        def _parse_oldstyle_limit(
582            self,
583        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
584            limit = None
585            offset = None
586            if self._match_text_seq("LIMIT"):
587                parts = self._parse_csv(self._parse_number)
588                if len(parts) == 1:
589                    limit = parts[0]
590                elif len(parts) == 2:
591                    limit = parts[1]
592                    offset = parts[0]
593
594            return offset, limit
595
596        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
597            this = self._parse_string() or self._parse_unquoted_field()
598            return self.expression(exp.SetItem, this=this, kind=kind)
599
600        def _parse_set_item_names(self) -> exp.Expression:
601            charset = self._parse_string() or self._parse_unquoted_field()
602            if self._match_text_seq("COLLATE"):
603                collate = self._parse_string() or self._parse_unquoted_field()
604            else:
605                collate = None
606
607            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
608
609        def _parse_type(
610            self, parse_interval: bool = True, fallback_to_identifier: bool = False
611        ) -> t.Optional[exp.Expression]:
612            # mysql binary is special and can work anywhere, even in order by operations
613            # it operates like a no paren func
614            if self._match(TokenType.BINARY, advance=False):
615                data_type = self._parse_types(check_func=True, allow_identifiers=False)
616
617                if isinstance(data_type, exp.DataType):
618                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
619
620            return super()._parse_type(
621                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
622            )
623
624        def _parse_chr(self) -> t.Optional[exp.Expression]:
625            expressions = self._parse_csv(self._parse_assignment)
626            kwargs: t.Dict[str, t.Any] = {"this": seq_get(expressions, 0)}
627
628            if len(expressions) > 1:
629                kwargs["expressions"] = expressions[1:]
630
631            if self._match(TokenType.USING):
632                kwargs["charset"] = self._parse_var()
633
634            return self.expression(exp.Chr, **kwargs)
635
636        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
637            def concat_exprs(
638                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
639            ) -> exp.Expression:
640                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
641                    concat_exprs = [
642                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
643                    ]
644                    node.set("expressions", concat_exprs)
645                    return node
646                if len(exprs) == 1:
647                    return exprs[0]
648                return self.expression(exp.Concat, expressions=args, safe=True)
649
650            args = self._parse_csv(self._parse_lambda)
651
652            if args:
653                order = args[-1] if isinstance(args[-1], exp.Order) else None
654
655                if order:
656                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
657                    # remove 'expr' from exp.Order and add it back to args
658                    args[-1] = order.this
659                    order.set("this", concat_exprs(order.this, args))
660
661                this = order or concat_exprs(args[0], args)
662            else:
663                this = None
664
665            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
666
667            return self.expression(exp.GroupConcat, this=this, separator=separator)
668
669        def _parse_json_value(self) -> exp.JSONValue:
670            this = self._parse_bitwise()
671            self._match(TokenType.COMMA)
672            path = self._parse_bitwise()
673
674            returning = self._match(TokenType.RETURNING) and self._parse_type()
675
676            return self.expression(
677                exp.JSONValue,
678                this=this,
679                path=self.dialect.to_json_path(path),
680                returning=returning,
681                on_condition=self._parse_on_condition(),
682            )

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.NULLABLE: 'NULLABLE'>, <TokenType.WINDOW: 'WINDOW'>, <TokenType.INT256: 'INT256'>, <TokenType.RANGE: 'RANGE'>, <TokenType.BINARY: 'BINARY'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.DATE: 'DATE'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.INT: 'INT'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.MAP: 'MAP'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.UUID: 'UUID'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.ILIKE: 'ILIKE'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.LEFT: 'LEFT'>, <TokenType.INDEX: 'INDEX'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.RIGHT: 'RIGHT'>, <TokenType.INET: 'INET'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.UINT: 'UINT'>, <TokenType.JSON: 'JSON'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.NAME: 'NAME'>, <TokenType.BIT: 'BIT'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.LIST: 'LIST'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.XOR: 'XOR'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.UINT128: 'UINT128'>, <TokenType.TABLE: 'TABLE'>, <TokenType.ANY: 'ANY'>, <TokenType.CHAR: 'CHAR'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.XML: 'XML'>, <TokenType.IPV4: 'IPV4'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.NESTED: 'NESTED'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.ENUM: 'ENUM'>, <TokenType.VALUES: 'VALUES'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.SOME: 'SOME'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.INT128: 'INT128'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.RLIKE: 'RLIKE'>, <TokenType.TIME: 'TIME'>, <TokenType.DATE32: 'DATE32'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.YEAR: 'YEAR'>, <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.ALL: 'ALL'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.UINT256: 'UINT256'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.OFFSET: 'OFFSET'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.SUPER: 'SUPER'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.FILTER: 'FILTER'>, <TokenType.GLOB: 'GLOB'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.JSONB: 'JSONB'>, <TokenType.ROW: 'ROW'>, <TokenType.NULL: 'NULL'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.LIKE: 'LIKE'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.MERGE: 'MERGE'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.IPV6: 'IPV6'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.VAR: 'VAR'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.INSERT: 'INSERT'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.TEXT: 'TEXT'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.FIRST: 'FIRST'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.MONEY: 'MONEY'>, <TokenType.IMAGE: 'IMAGE'>}
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.NULLABLE: 'NULLABLE'>, <TokenType.DIV: 'DIV'>, <TokenType.INT256: 'INT256'>, <TokenType.BINARY: 'BINARY'>, <TokenType.RANGE: 'RANGE'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.DATE: 'DATE'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.STREAMLIT: 'STREAMLIT'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.RENAME: 'RENAME'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.INT: 'INT'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.MAP: 'MAP'>, <TokenType.SETTINGS: 'SETTINGS'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.UUID: 'UUID'>, <TokenType.PERCENT: 'PERCENT'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.PARTITION: 'PARTITION'>, <TokenType.RECURSIVE: 'RECURSIVE'>, <TokenType.VOLATILE: 'VOLATILE'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.WAREHOUSE: 'WAREHOUSE'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, <TokenType.NEXT: 'NEXT'>, <TokenType.INDEX: 'INDEX'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.UNPIVOT: 'UNPIVOT'>, <TokenType.INET: 'INET'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.DELETE: 'DELETE'>, <TokenType.UINT: 'UINT'>, <TokenType.JSON: 'JSON'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.KILL: 'KILL'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.NAME: 'NAME'>, <TokenType.BIT: 'BIT'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.LIST: 'LIST'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.OPERATOR: 'OPERATOR'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.PIVOT: 'PIVOT'>, <TokenType.DICTIONARY: 'DICTIONARY'>, <TokenType.UINT128: 'UINT128'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.TABLE: 'TABLE'>, <TokenType.SET: 'SET'>, <TokenType.ANY: 'ANY'>, <TokenType.ANTI: 'ANTI'>, <TokenType.ASC: 'ASC'>, <TokenType.PRAGMA: 'PRAGMA'>, <TokenType.CHAR: 'CHAR'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.PROCEDURE: 'PROCEDURE'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.FINAL: 'FINAL'>, <TokenType.DESC: 'DESC'>, <TokenType.UNIQUE: 'UNIQUE'>, <TokenType.CASE: 'CASE'>, <TokenType.ORDINALITY: 'ORDINALITY'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.DESCRIBE: 'DESCRIBE'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.TEMPORARY: 'TEMPORARY'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.XML: 'XML'>, <TokenType.IPV4: 'IPV4'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.NESTED: 'NESTED'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.ENUM: 'ENUM'>, <TokenType.BEGIN: 'BEGIN'>, <TokenType.ESCAPE: 'ESCAPE'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.SOME: 'SOME'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.INT128: 'INT128'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.SHOW: 'SHOW'>, <TokenType.OVERWRITE: 'OVERWRITE'>, <TokenType.TIME: 'TIME'>, <TokenType.IS: 'IS'>, <TokenType.DATE32: 'DATE32'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.CACHE: 'CACHE'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.YEAR: 'YEAR'>, <TokenType.CUBE: 'CUBE'>, <TokenType.VIEW: 'VIEW'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.ALL: 'ALL'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.OVERLAPS: 'OVERLAPS'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.COMMENT: 'COMMENT'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.UINT256: 'UINT256'>, <TokenType.COMMIT: 'COMMIT'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.COPY: 'COPY'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.REFERENCES: 'REFERENCES'>, <TokenType.UPDATE: 'UPDATE'>, <TokenType.TAG: 'TAG'>, <TokenType.SEMI: 'SEMI'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.FALSE: 'FALSE'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.REFRESH: 'REFRESH'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.CONSTRAINT: 'CONSTRAINT'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.KEEP: 'KEEP'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.SUPER: 'SUPER'>, <TokenType.STORAGE_INTEGRATION: 'STORAGE_INTEGRATION'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.FILTER: 'FILTER'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.FUNCTION: 'FUNCTION'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.JSONB: 'JSONB'>, <TokenType.ROW: 'ROW'>, <TokenType.TOP: 'TOP'>, <TokenType.NULL: 'NULL'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.ROLLUP: 'ROLLUP'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.END: 'END'>, <TokenType.MERGE: 'MERGE'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.IPV6: 'IPV6'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.ROWS: 'ROWS'>, <TokenType.VAR: 'VAR'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.TEXT: 'TEXT'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.MODEL: 'MODEL'>, <TokenType.FIRST: 'FIRST'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.COLUMN: 'COLUMN'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.MONEY: 'MONEY'>, <TokenType.LOAD: 'LOAD'>, <TokenType.TRUE: 'TRUE'>, <TokenType.DEFAULT: 'DEFAULT'>, <TokenType.IMAGE: 'IMAGE'>}
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': <function Parser.<lambda>>, 'ARRAY_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAll'>>, 'ARRAY_ANY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAny'>>, 'ARRAY_CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CONSTRUCT_COMPACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConstructCompact'>>, 'ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContains'>>, 'ARRAY_HAS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContains'>>, 'ARRAY_CONTAINS_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContainsAll'>>, 'ARRAY_HAS_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContainsAll'>>, 'FILTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayFilter'>>, 'ARRAY_FILTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayFilter'>>, 'ARRAY_OVERLAPS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayOverlaps'>>, 'ARRAY_SIZE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySize'>>, 'ARRAY_LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySize'>>, 'ARRAY_SORT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySort'>>, 'ARRAY_SUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySum'>>, 'ARRAY_TO_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayToString'>>, 'ARRAY_JOIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayToString'>>, 'ARRAY_UNION_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayUnionAgg'>>, 'ARRAY_UNIQUE_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayUniqueAgg'>>, 'AVG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Avg'>>, 'CASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Case'>>, 'CAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Cast'>>, 'CAST_TO_STR_TYPE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CastToStrType'>>, 'CBRT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Cbrt'>>, 'CEIL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ceil'>>, 'CEILING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ceil'>>, 'CHR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Chr'>>, 'CHAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Chr'>>, 'COALESCE': <function build_coalesce>, 'IFNULL': <function build_coalesce>, 'NVL': <function build_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': <function Parser.<lambda>>, 'COUNT_IF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CountIf'>>, 'COUNTIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CountIf'>>, 'COVAR_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CovarPop'>>, 'COVAR_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CovarSamp'>>, 'CURRENT_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentDate'>>, 'CURRENT_DATETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentDatetime'>>, 'CURRENT_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentTime'>>, 'CURRENT_TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentTimestamp'>>, 'CURRENT_USER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentUser'>>, 'DATE': <function MySQL.Parser.<lambda>>, 'DATE_ADD': <function build_date_delta_with_interval.<locals>._builder>, 'DATEDIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateDiff'>>, 'DATE_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateDiff'>>, 'DATE_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateFromParts'>>, 'DATEFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateFromParts'>>, 'DATE_STR_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateStrToDate'>>, 'DATE_SUB': <function build_date_delta_with_interval.<locals>._builder>, 'DATE_TO_DATE_STR': <function Parser.<lambda>>, 'DATE_TO_DI': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateToDi'>>, 'DATE_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateTrunc'>>, 'DATETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Datetime'>>, 'DATETIME_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeAdd'>>, 'DATETIME_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeDiff'>>, 'DATETIME_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeSub'>>, 'DATETIME_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeTrunc'>>, 'DAY': <function MySQL.Parser.<lambda>>, 'DAY_OF_MONTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfMonth'>>, 'DAYOFMONTH': <function MySQL.Parser.<lambda>>, 'DAY_OF_WEEK': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfWeek'>>, 'DAYOFWEEK': <function MySQL.Parser.<lambda>>, 'DAYOFWEEK_ISO': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfWeekIso'>>, 'ISODOW': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfWeekIso'>>, 'DAY_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfYear'>>, 'DAYOFYEAR': <function MySQL.Parser.<lambda>>, 'DECODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Decode'>>, 'DI_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DiToDate'>>, 'ENCODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Encode'>>, 'EXP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Exp'>>, 'EXPLODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Explode'>>, 'EXPLODE_OUTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ExplodeOuter'>>, 'EXPLODING_GENERATE_SERIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ExplodingGenerateSeries'>>, 'EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Extract'>>, 'FIRST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.First'>>, 'FIRST_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FirstValue'>>, 'FLATTEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Flatten'>>, 'FLOOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Floor'>>, 'FROM_BASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromBase'>>, 'FROM_BASE64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromBase64'>>, 'FROM_ISO8601_TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromISO8601Timestamp'>>, 'GAP_FILL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GapFill'>>, 'GENERATE_DATE_ARRAY': <function Parser.<lambda>>, 'GENERATE_SERIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateSeries'>>, 'GENERATE_TIMESTAMP_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateTimestampArray'>>, 'GREATEST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Greatest'>>, 'GROUP_CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GroupConcat'>>, 'HEX': <function build_hex>, 'HLL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Hll'>>, 'IF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.If'>>, 'IIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.If'>>, 'INITCAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Initcap'>>, 'INLINE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Inline'>>, 'IS_INF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsInf'>>, 'ISINF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsInf'>>, 'IS_NAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsNan'>>, 'ISNAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsNan'>>, 'J_S_O_N_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArray'>>, 'J_S_O_N_ARRAY_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayAgg'>>, 'JSON_ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayContains'>>, 'JSONB_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBContains'>>, 'JSONB_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBExtract'>>, 'JSONB_EXTRACT_SCALAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBExtractScalar'>>, 'J_S_O_N_EXISTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONExists'>>, 'JSON_EXTRACT': <function build_extract_json_with_path.<locals>._builder>, 'JSON_EXTRACT_SCALAR': <function build_extract_json_with_path.<locals>._builder>, 'JSON_FORMAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONFormat'>>, 'J_S_O_N_OBJECT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONObject'>>, 'J_S_O_N_OBJECT_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONObjectAgg'>>, 'J_S_O_N_TABLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONTable'>>, 'LAG': <bound method Func.from_arg_list of <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'>>, 'NORMALIZE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Normalize'>>, 'NTH_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NthValue'>>, 'NULLIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Nullif'>>, 'NUMBER_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NumberToStr'>>, 'NVL2': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Nvl2'>>, 'OBJECT_INSERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ObjectInsert'>>, 'OPEN_J_S_O_N': <bound method Func.from_arg_list of <class 'sqlglot.expressions.OpenJSON'>>, '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>>, 'ARRAYAGG': <function Parser.<lambda>>, 'GLOB': <function Parser.<lambda>>, 'JSON_EXTRACT_PATH_TEXT': <function build_extract_json_with_path.<locals>._builder>, 'LIKE': <function build_like>, 'LOG2': <function Parser.<lambda>>, 'LOG10': <function Parser.<lambda>>, 'LPAD': <function Parser.<lambda>>, 'LEFTPAD': <function Parser.<lambda>>, 'LTRIM': <function Parser.<lambda>>, 'MOD': <function build_mod>, 'RIGHTPAD': <function Parser.<lambda>>, 'RPAD': <function Parser.<lambda>>, 'RTRIM': <function Parser.<lambda>>, 'SCOPE_RESOLUTION': <function Parser.<lambda>>, '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>>, 'NORMALIZE': <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>>, 'JSON_VALUE': <function MySQL.Parser.<lambda>>}
STATEMENT_PARSERS = {<TokenType.ALTER: 'ALTER'>: <function Parser.<lambda>>, <TokenType.BEGIN: 'BEGIN'>: <function Parser.<lambda>>, <TokenType.CACHE: 'CACHE'>: <function Parser.<lambda>>, <TokenType.COMMENT: 'COMMENT'>: <function Parser.<lambda>>, <TokenType.COMMIT: 'COMMIT'>: <function Parser.<lambda>>, <TokenType.COPY: 'COPY'>: <function Parser.<lambda>>, <TokenType.CREATE: 'CREATE'>: <function Parser.<lambda>>, <TokenType.DELETE: 'DELETE'>: <function Parser.<lambda>>, <TokenType.DESC: 'DESC'>: <function Parser.<lambda>>, <TokenType.DESCRIBE: 'DESCRIBE'>: <function Parser.<lambda>>, <TokenType.DROP: 'DROP'>: <function Parser.<lambda>>, <TokenType.INSERT: 'INSERT'>: <function Parser.<lambda>>, <TokenType.KILL: 'KILL'>: <function Parser.<lambda>>, <TokenType.LOAD: 'LOAD'>: <function Parser.<lambda>>, <TokenType.MERGE: 'MERGE'>: <function Parser.<lambda>>, <TokenType.PIVOT: 'PIVOT'>: <function Parser.<lambda>>, <TokenType.PRAGMA: 'PRAGMA'>: <function Parser.<lambda>>, <TokenType.REFRESH: 'REFRESH'>: <function Parser.<lambda>>, <TokenType.ROLLBACK: 'ROLLBACK'>: <function Parser.<lambda>>, <TokenType.SET: 'SET'>: <function Parser.<lambda>>, <TokenType.TRUNCATE: 'TRUNCATE'>: <function Parser.<lambda>>, <TokenType.UNCACHE: 'UNCACHE'>: <function Parser.<lambda>>, <TokenType.UPDATE: 'UPDATE'>: <function Parser.<lambda>>, <TokenType.USE: 'USE'>: <function Parser.<lambda>>, <TokenType.SEMICOLON: 'SEMICOLON'>: <function Parser.<lambda>>, <TokenType.SHOW: 'SHOW'>: <function MySQL.Parser.<lambda>>}
SHOW_PARSERS = {'BINARY LOGS': <function _show_parser.<locals>._parse>, 'MASTER LOGS': <function _show_parser.<locals>._parse>, 'BINLOG EVENTS': <function _show_parser.<locals>._parse>, 'CHARACTER SET': <function _show_parser.<locals>._parse>, 'CHARSET': <function _show_parser.<locals>._parse>, 'COLLATION': <function _show_parser.<locals>._parse>, 'FULL COLUMNS': <function _show_parser.<locals>._parse>, 'COLUMNS': <function _show_parser.<locals>._parse>, 'CREATE DATABASE': <function _show_parser.<locals>._parse>, 'CREATE EVENT': <function _show_parser.<locals>._parse>, 'CREATE FUNCTION': <function _show_parser.<locals>._parse>, 'CREATE PROCEDURE': <function _show_parser.<locals>._parse>, 'CREATE TABLE': <function _show_parser.<locals>._parse>, 'CREATE TRIGGER': <function _show_parser.<locals>._parse>, 'CREATE VIEW': <function _show_parser.<locals>._parse>, 'DATABASES': <function _show_parser.<locals>._parse>, 'SCHEMAS': <function _show_parser.<locals>._parse>, 'ENGINE': <function _show_parser.<locals>._parse>, 'STORAGE ENGINES': <function _show_parser.<locals>._parse>, 'ENGINES': <function _show_parser.<locals>._parse>, 'ERRORS': <function _show_parser.<locals>._parse>, 'EVENTS': <function _show_parser.<locals>._parse>, 'FUNCTION CODE': <function _show_parser.<locals>._parse>, 'FUNCTION STATUS': <function _show_parser.<locals>._parse>, 'GRANTS': <function _show_parser.<locals>._parse>, 'INDEX': <function _show_parser.<locals>._parse>, 'MASTER STATUS': <function _show_parser.<locals>._parse>, 'OPEN TABLES': <function _show_parser.<locals>._parse>, 'PLUGINS': <function _show_parser.<locals>._parse>, 'PROCEDURE CODE': <function _show_parser.<locals>._parse>, 'PROCEDURE STATUS': <function _show_parser.<locals>._parse>, 'PRIVILEGES': <function _show_parser.<locals>._parse>, 'FULL PROCESSLIST': <function _show_parser.<locals>._parse>, 'PROCESSLIST': <function _show_parser.<locals>._parse>, 'PROFILE': <function _show_parser.<locals>._parse>, 'PROFILES': <function _show_parser.<locals>._parse>, 'RELAYLOG EVENTS': <function _show_parser.<locals>._parse>, 'REPLICAS': <function _show_parser.<locals>._parse>, 'SLAVE HOSTS': <function _show_parser.<locals>._parse>, 'REPLICA STATUS': <function _show_parser.<locals>._parse>, 'SLAVE STATUS': <function _show_parser.<locals>._parse>, 'GLOBAL STATUS': <function _show_parser.<locals>._parse>, 'SESSION STATUS': <function _show_parser.<locals>._parse>, 'STATUS': <function _show_parser.<locals>._parse>, 'TABLE STATUS': <function _show_parser.<locals>._parse>, 'FULL TABLES': <function _show_parser.<locals>._parse>, 'TABLES': <function _show_parser.<locals>._parse>, 'TRIGGERS': <function _show_parser.<locals>._parse>, 'GLOBAL VARIABLES': <function _show_parser.<locals>._parse>, 'SESSION VARIABLES': <function _show_parser.<locals>._parse>, 'VARIABLES': <function _show_parser.<locals>._parse>, 'WARNINGS': <function _show_parser.<locals>._parse>}
PROPERTY_PARSERS = {'ALLOWED_VALUES': <function Parser.<lambda>>, 'ALGORITHM': <function Parser.<lambda>>, 'AUTO': <function Parser.<lambda>>, 'AUTO_INCREMENT': <function Parser.<lambda>>, 'BACKUP': <function Parser.<lambda>>, 'BLOCKCOMPRESSION': <function Parser.<lambda>>, 'CHARSET': <function Parser.<lambda>>, 'CHARACTER SET': <function Parser.<lambda>>, 'CHECKSUM': <function Parser.<lambda>>, 'CLUSTER BY': <function Parser.<lambda>>, 'CLUSTERED': <function Parser.<lambda>>, 'COLLATE': <function Parser.<lambda>>, 'COMMENT': <function Parser.<lambda>>, 'CONTAINS': <function Parser.<lambda>>, 'COPY': <function Parser.<lambda>>, 'DATABLOCKSIZE': <function Parser.<lambda>>, 'DATA_DELETION': <function Parser.<lambda>>, 'DEFINER': <function Parser.<lambda>>, 'DETERMINISTIC': <function Parser.<lambda>>, 'DISTRIBUTED': <function Parser.<lambda>>, 'DUPLICATE': <function Parser.<lambda>>, 'DYNAMIC': <function Parser.<lambda>>, 'DISTKEY': <function Parser.<lambda>>, 'DISTSTYLE': <function Parser.<lambda>>, 'EMPTY': <function Parser.<lambda>>, 'ENGINE': <function Parser.<lambda>>, 'EXECUTE': <function Parser.<lambda>>, 'EXTERNAL': <function Parser.<lambda>>, 'FALLBACK': <function Parser.<lambda>>, 'FORMAT': <function Parser.<lambda>>, 'FREESPACE': <function Parser.<lambda>>, 'GLOBAL': <function Parser.<lambda>>, 'HEAP': <function Parser.<lambda>>, 'ICEBERG': <function Parser.<lambda>>, 'IMMUTABLE': <function Parser.<lambda>>, 'INHERITS': <function Parser.<lambda>>, 'INPUT': <function Parser.<lambda>>, 'JOURNAL': <function Parser.<lambda>>, 'LANGUAGE': <function Parser.<lambda>>, 'LAYOUT': <function Parser.<lambda>>, 'LIFETIME': <function Parser.<lambda>>, 'LIKE': <function Parser.<lambda>>, 'LOCATION': <function Parser.<lambda>>, 'LOCK': <function MySQL.Parser.<lambda>>, 'LOCKING': <function Parser.<lambda>>, 'LOG': <function Parser.<lambda>>, 'MATERIALIZED': <function Parser.<lambda>>, 'MERGEBLOCKRATIO': <function Parser.<lambda>>, 'MODIFIES': <function Parser.<lambda>>, 'MULTISET': <function Parser.<lambda>>, 'NO': <function Parser.<lambda>>, 'ON': <function Parser.<lambda>>, 'ORDER BY': <function Parser.<lambda>>, 'OUTPUT': <function Parser.<lambda>>, 'PARTITION': <function Parser.<lambda>>, 'PARTITION BY': <function Parser.<lambda>>, 'PARTITIONED BY': <function Parser.<lambda>>, 'PARTITIONED_BY': <function Parser.<lambda>>, 'PRIMARY KEY': <function Parser.<lambda>>, 'RANGE': <function Parser.<lambda>>, 'READS': <function Parser.<lambda>>, 'REMOTE': <function Parser.<lambda>>, 'RETURNS': <function Parser.<lambda>>, 'STRICT': <function Parser.<lambda>>, 'STREAMING': <function Parser.<lambda>>, 'ROW': <function Parser.<lambda>>, 'ROW_FORMAT': <function Parser.<lambda>>, 'SAMPLE': <function Parser.<lambda>>, 'SECURE': <function Parser.<lambda>>, 'SECURITY': <function Parser.<lambda>>, 'SET': <function Parser.<lambda>>, 'SETTINGS': <function Parser.<lambda>>, 'SHARING': <function Parser.<lambda>>, 'SORTKEY': <function Parser.<lambda>>, 'SOURCE': <function Parser.<lambda>>, 'STABLE': <function Parser.<lambda>>, 'STORED': <function Parser.<lambda>>, 'SYSTEM_VERSIONING': <function Parser.<lambda>>, 'TBLPROPERTIES': <function Parser.<lambda>>, 'TEMP': <function Parser.<lambda>>, 'TEMPORARY': <function Parser.<lambda>>, 'TO': <function Parser.<lambda>>, 'TRANSIENT': <function Parser.<lambda>>, 'TRANSFORM': <function Parser.<lambda>>, 'TTL': <function Parser.<lambda>>, 'USING': <function Parser.<lambda>>, 'UNLOGGED': <function Parser.<lambda>>, 'VOLATILE': <function Parser.<lambda>>, 'WITH': <function Parser.<lambda>>}
SET_PARSERS = {'GLOBAL': <function Parser.<lambda>>, 'LOCAL': <function Parser.<lambda>>, 'SESSION': <function Parser.<lambda>>, 'TRANSACTION': <function Parser.<lambda>>, 'PERSIST': <function MySQL.Parser.<lambda>>, 'PERSIST_ONLY': <function MySQL.Parser.<lambda>>, 'CHARACTER SET': <function MySQL.Parser.<lambda>>, 'CHARSET': <function MySQL.Parser.<lambda>>, 'NAMES': <function MySQL.Parser.<lambda>>}
CONSTRAINT_PARSERS = {'AUTOINCREMENT': <function Parser.<lambda>>, 'AUTO_INCREMENT': <function Parser.<lambda>>, 'CASESPECIFIC': <function Parser.<lambda>>, 'CHARACTER SET': <function Parser.<lambda>>, 'CHECK': <function Parser.<lambda>>, 'COLLATE': <function Parser.<lambda>>, 'COMMENT': <function Parser.<lambda>>, 'COMPRESS': <function Parser.<lambda>>, 'CLUSTERED': <function Parser.<lambda>>, 'NONCLUSTERED': <function Parser.<lambda>>, 'DEFAULT': <function Parser.<lambda>>, 'ENCODE': <function Parser.<lambda>>, 'EPHEMERAL': <function Parser.<lambda>>, 'EXCLUDE': <function Parser.<lambda>>, 'FOREIGN KEY': <function Parser.<lambda>>, 'FORMAT': <function Parser.<lambda>>, 'GENERATED': <function Parser.<lambda>>, 'IDENTITY': <function Parser.<lambda>>, 'INLINE': <function Parser.<lambda>>, 'LIKE': <function Parser.<lambda>>, 'NOT': <function Parser.<lambda>>, 'NULL': <function Parser.<lambda>>, 'ON': <function Parser.<lambda>>, 'PATH': <function Parser.<lambda>>, 'PERIOD': <function Parser.<lambda>>, 'PRIMARY KEY': <function Parser.<lambda>>, 'REFERENCES': <function Parser.<lambda>>, 'TITLE': <function Parser.<lambda>>, 'TTL': <function Parser.<lambda>>, 'UNIQUE': <function Parser.<lambda>>, 'UPPERCASE': <function Parser.<lambda>>, 'WITH': <function Parser.<lambda>>, 'FULLTEXT': <function MySQL.Parser.<lambda>>, 'INDEX': <function MySQL.Parser.<lambda>>, 'KEY': <function MySQL.Parser.<lambda>>, 'SPATIAL': <function MySQL.Parser.<lambda>>}
ALTER_PARSERS = {'ADD': <function Parser.<lambda>>, 'ALTER': <function Parser.<lambda>>, 'CLUSTER BY': <function Parser.<lambda>>, 'DELETE': <function Parser.<lambda>>, 'DROP': <function Parser.<lambda>>, 'RENAME': <function Parser.<lambda>>, 'SET': <function Parser.<lambda>>, 'AS': <function Parser.<lambda>>, 'MODIFY': <function MySQL.Parser.<lambda>>}
SCHEMA_UNNAMED_CONSTRAINTS = {'PERIOD', 'CHECK', 'INDEX', 'KEY', 'LIKE', 'PRIMARY KEY', 'FULLTEXT', 'SPATIAL', 'FOREIGN KEY', 'EXCLUDE', 'UNIQUE'}
PROFILE_TYPES: Dict[str, Sequence[Union[Sequence[str], str]]] = {'ALL': (), 'CPU': (), 'IPC': (), 'MEMORY': (), 'SOURCE': (), 'SWAPS': (), 'BLOCK': ('IO',), 'CONTEXT': ('SWITCHES',), 'PAGE': ('FAULTS',)}
TYPE_TOKENS = {<TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.INT256: 'INT256'>, <TokenType.BINARY: 'BINARY'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.YEAR: 'YEAR'>, <TokenType.DATE: 'DATE'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.INT: 'INT'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.MAP: 'MAP'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.UUID: 'UUID'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.UINT256: 'UINT256'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.INET: 'INET'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.UINT: 'UINT'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.JSON: 'JSON'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.SUPER: 'SUPER'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.JSONB: 'JSONB'>, <TokenType.NAME: 'NAME'>, <TokenType.BIT: 'BIT'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.NULL: 'NULL'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.LIST: 'LIST'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.UINT128: 'UINT128'>, <TokenType.SET: 'SET'>, <TokenType.IPV6: 'IPV6'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.CHAR: 'CHAR'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.XML: 'XML'>, <TokenType.IPV4: 'IPV4'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.NESTED: 'NESTED'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.TEXT: 'TEXT'>, <TokenType.ENUM: 'ENUM'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.INT128: 'INT128'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.MONEY: 'MONEY'>, <TokenType.TIME: 'TIME'>, <TokenType.DATE32: 'DATE32'>, <TokenType.IMAGE: 'IMAGE'>}
ENUM_TYPE_TOKENS = {<TokenType.ENUM8: 'ENUM8'>, <TokenType.SET: 'SET'>, <TokenType.ENUM: 'ENUM'>, <TokenType.ENUM16: 'ENUM16'>}
LOG_DEFAULTS_TO_LN = True
STRING_ALIASES = True
VALUES_FOLLOWED_BY_PAREN = False
SUPPORTS_PARTITION_SELECTION = True
SHOW_TRIE: Dict = {'BINARY': {'LOGS': {0: True}}, 'MASTER': {'LOGS': {0: True}, 'STATUS': {0: True}}, 'BINLOG': {'EVENTS': {0: True}}, 'CHARACTER': {'SET': {0: True}}, 'CHARSET': {0: True}, 'COLLATION': {0: True}, 'FULL': {'COLUMNS': {0: True}, 'PROCESSLIST': {0: True}, 'TABLES': {0: True}}, 'COLUMNS': {0: True}, 'CREATE': {'DATABASE': {0: True}, 'EVENT': {0: True}, 'FUNCTION': {0: True}, 'PROCEDURE': {0: True}, 'TABLE': {0: True}, 'TRIGGER': {0: True}, 'VIEW': {0: True}}, 'DATABASES': {0: True}, 'SCHEMAS': {0: True}, 'ENGINE': {0: True}, 'STORAGE': {'ENGINES': {0: True}}, 'ENGINES': {0: True}, 'ERRORS': {0: True}, 'EVENTS': {0: True}, 'FUNCTION': {'CODE': {0: True}, 'STATUS': {0: True}}, 'GRANTS': {0: True}, 'INDEX': {0: True}, 'OPEN': {'TABLES': {0: True}}, 'PLUGINS': {0: True}, 'PROCEDURE': {'CODE': {0: True}, 'STATUS': {0: True}}, 'PRIVILEGES': {0: True}, 'PROCESSLIST': {0: True}, 'PROFILE': {0: True}, 'PROFILES': {0: True}, 'RELAYLOG': {'EVENTS': {0: True}}, 'REPLICAS': {0: True}, 'SLAVE': {'HOSTS': {0: True}, 'STATUS': {0: True}}, 'REPLICA': {'STATUS': {0: True}}, 'GLOBAL': {'STATUS': {0: True}, 'VARIABLES': {0: True}}, 'SESSION': {'STATUS': {0: True}, 'VARIABLES': {0: True}}, 'STATUS': {0: True}, 'TABLE': {'STATUS': {0: True}}, 'TABLES': {0: True}, 'TRIGGERS': {0: True}, 'VARIABLES': {0: True}, 'WARNINGS': {0: True}}
SET_TRIE: Dict = {'GLOBAL': {0: True}, 'LOCAL': {0: True}, 'SESSION': {0: True}, 'TRANSACTION': {0: True}, 'PERSIST': {0: True}, 'PERSIST_ONLY': {0: True}, 'CHARACTER': {'SET': {0: True}}, 'CHARSET': {0: True}, 'NAMES': {0: True}}
Inherited Members
sqlglot.parser.Parser
Parser
NO_PAREN_FUNCTIONS
STRUCT_TYPE_TOKENS
NESTED_TYPE_TOKENS
AGGREGATE_TYPE_TOKENS
SIGNED_TO_UNSIGNED_TYPE_TOKEN
SUBQUERY_PREDICATES
RESERVED_TOKENS
DB_CREATABLES
CREATABLES
ALTERABLES
ID_VAR_TOKENS
INTERVAL_VARS
ALIAS_TOKENS
ARRAY_CONSTRUCTORS
COMMENT_TABLE_ALIAS_TOKENS
UPDATE_ALIAS_TOKENS
TRIM_TYPES
ASSIGNMENT
EQUALITY
COMPARISON
BITWISE
TERM
FACTOR
EXPONENT
TIMES
TIMESTAMPS
SET_OPERATIONS
JOIN_METHODS
JOIN_SIDES
JOIN_KINDS
JOIN_HINTS
LAMBDAS
COLUMN_OPERATORS
EXPRESSION_PARSERS
UNARY_PARSERS
STRING_PARSERS
NUMERIC_PARSERS
PRIMARY_PARSERS
PLACEHOLDER_PARSERS
ALTER_ALTER_PARSERS
NO_PAREN_FUNCTION_PARSERS
INVALID_FUNC_NAME_TOKENS
FUNCTIONS_WITH_ALIASED_ARGS
KEY_VALUE_DEFINITIONS
QUERY_MODIFIER_PARSERS
TYPE_LITERAL_PARSERS
TYPE_CONVERTERS
DDL_SELECT_TOKENS
PRE_VOLATILE_TOKENS
TRANSACTION_KIND
TRANSACTION_CHARACTERISTICS
CONFLICT_ACTIONS
CREATE_SEQUENCE
ISOLATED_LOADING_OPTIONS
USABLES
CAST_ACTIONS
SCHEMA_BINDING_OPTIONS
KEY_CONSTRAINT_OPTIONS
INSERT_ALTERNATIVES
CLONE_KEYWORDS
HISTORICAL_DATA_PREFIX
HISTORICAL_DATA_KIND
OPCLASS_FOLLOW_KEYWORDS
OPTYPE_FOLLOW_TOKENS
TABLE_INDEX_HINT_TOKENS
VIEW_ATTRIBUTES
WINDOW_ALIAS_TOKENS
WINDOW_BEFORE_PAREN_TOKENS
WINDOW_SIDES
JSON_KEY_VALUE_SEPARATOR_TOKENS
FETCH_TOKENS
ADD_CONSTRAINT_TOKENS
DISTINCT_TOKENS
NULL_TOKENS
UNNEST_OFFSET_ALIAS_TOKENS
SELECT_START_TOKENS
COPY_INTO_VARLEN_OPTIONS
IS_JSON_PREDICATE_KIND
ODBC_DATETIME_LITERALS
ON_CONDITION_TOKENS
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):
 684    class Generator(generator.Generator):
 685        INTERVAL_ALLOWS_PLURAL_FORM = False
 686        LOCKING_READS_SUPPORTED = True
 687        NULL_ORDERING_SUPPORTED = None
 688        JOIN_HINTS = False
 689        TABLE_HINTS = True
 690        DUPLICATE_KEY_UPDATE_WITH_SET = False
 691        QUERY_HINT_SEP = " "
 692        VALUES_AS_TABLE = False
 693        NVL2_SUPPORTED = False
 694        LAST_DAY_SUPPORTS_DATE_PART = False
 695        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
 696        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
 697        JSON_KEY_VALUE_PAIR_SEP = ","
 698        SUPPORTS_TO_NUMBER = False
 699        PARSE_JSON_NAME: t.Optional[str] = None
 700        PAD_FILL_PATTERN_IS_REQUIRED = True
 701        WRAP_DERIVED_VALUES = False
 702
 703        TRANSFORMS = {
 704            **generator.Generator.TRANSFORMS,
 705            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
 706            exp.CurrentDate: no_paren_current_date_sql,
 707            exp.DateDiff: _remove_ts_or_ds_to_date(
 708                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
 709            ),
 710            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
 711            exp.DateStrToDate: datestrtodate_sql,
 712            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
 713            exp.DateTrunc: _date_trunc_sql,
 714            exp.Day: _remove_ts_or_ds_to_date(),
 715            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
 716            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
 717            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
 718            exp.GroupConcat: lambda self,
 719            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
 720            exp.ILike: no_ilike_sql,
 721            exp.JSONExtractScalar: arrow_json_extract_sql,
 722            exp.Max: max_or_greatest,
 723            exp.Min: min_or_least,
 724            exp.Month: _remove_ts_or_ds_to_date(),
 725            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
 726            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
 727            exp.Pivot: no_pivot_sql,
 728            exp.Select: transforms.preprocess(
 729                [
 730                    transforms.eliminate_distinct_on,
 731                    transforms.eliminate_semi_and_anti_joins,
 732                    transforms.eliminate_qualify,
 733                    transforms.eliminate_full_outer_join,
 734                    transforms.unnest_generate_date_array_using_recursive_cte,
 735                ]
 736            ),
 737            exp.StrPosition: strposition_to_locate_sql,
 738            exp.StrToDate: _str_to_date_sql,
 739            exp.StrToTime: _str_to_date_sql,
 740            exp.Stuff: rename_func("INSERT"),
 741            exp.TableSample: no_tablesample_sql,
 742            exp.TimeFromParts: rename_func("MAKETIME"),
 743            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
 744            exp.TimestampDiff: lambda self, e: self.func(
 745                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
 746            ),
 747            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
 748            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
 749            exp.TimeStrToTime: lambda self, e: timestrtotime_sql(
 750                self,
 751                e,
 752                include_precision=not e.args.get("zone"),
 753            ),
 754            exp.TimeToStr: _remove_ts_or_ds_to_date(
 755                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
 756            ),
 757            exp.Trim: trim_sql,
 758            exp.TryCast: no_trycast_sql,
 759            exp.TsOrDsAdd: date_add_sql("ADD"),
 760            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
 761            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
 762            exp.UnixToTime: _unix_to_time_sql,
 763            exp.Week: _remove_ts_or_ds_to_date(),
 764            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
 765            exp.Year: _remove_ts_or_ds_to_date(),
 766        }
 767
 768        UNSIGNED_TYPE_MAPPING = {
 769            exp.DataType.Type.UBIGINT: "BIGINT",
 770            exp.DataType.Type.UINT: "INT",
 771            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
 772            exp.DataType.Type.USMALLINT: "SMALLINT",
 773            exp.DataType.Type.UTINYINT: "TINYINT",
 774            exp.DataType.Type.UDECIMAL: "DECIMAL",
 775        }
 776
 777        TIMESTAMP_TYPE_MAPPING = {
 778            exp.DataType.Type.TIMESTAMP: "DATETIME",
 779            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
 780            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
 781        }
 782
 783        TYPE_MAPPING = {
 784            **generator.Generator.TYPE_MAPPING,
 785            **UNSIGNED_TYPE_MAPPING,
 786            **TIMESTAMP_TYPE_MAPPING,
 787        }
 788
 789        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
 790        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
 791        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
 792        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
 793        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
 794        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
 795
 796        PROPERTIES_LOCATION = {
 797            **generator.Generator.PROPERTIES_LOCATION,
 798            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
 799            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
 800        }
 801
 802        LIMIT_FETCH = "LIMIT"
 803
 804        LIMIT_ONLY_LITERALS = True
 805
 806        CHAR_CAST_MAPPING = dict.fromkeys(
 807            (
 808                exp.DataType.Type.LONGTEXT,
 809                exp.DataType.Type.LONGBLOB,
 810                exp.DataType.Type.MEDIUMBLOB,
 811                exp.DataType.Type.MEDIUMTEXT,
 812                exp.DataType.Type.TEXT,
 813                exp.DataType.Type.TINYBLOB,
 814                exp.DataType.Type.TINYTEXT,
 815                exp.DataType.Type.VARCHAR,
 816            ),
 817            "CHAR",
 818        )
 819        SIGNED_CAST_MAPPING = dict.fromkeys(
 820            (
 821                exp.DataType.Type.BIGINT,
 822                exp.DataType.Type.BOOLEAN,
 823                exp.DataType.Type.INT,
 824                exp.DataType.Type.SMALLINT,
 825                exp.DataType.Type.TINYINT,
 826                exp.DataType.Type.MEDIUMINT,
 827            ),
 828            "SIGNED",
 829        )
 830
 831        # MySQL doesn't support many datatypes in cast.
 832        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
 833        CAST_MAPPING = {
 834            **CHAR_CAST_MAPPING,
 835            **SIGNED_CAST_MAPPING,
 836            exp.DataType.Type.UBIGINT: "UNSIGNED",
 837        }
 838
 839        TIMESTAMP_FUNC_TYPES = {
 840            exp.DataType.Type.TIMESTAMPTZ,
 841            exp.DataType.Type.TIMESTAMPLTZ,
 842        }
 843
 844        # https://dev.mysql.com/doc/refman/8.0/en/keywords.html
 845        RESERVED_KEYWORDS = {
 846            "accessible",
 847            "add",
 848            "all",
 849            "alter",
 850            "analyze",
 851            "and",
 852            "as",
 853            "asc",
 854            "asensitive",
 855            "before",
 856            "between",
 857            "bigint",
 858            "binary",
 859            "blob",
 860            "both",
 861            "by",
 862            "call",
 863            "cascade",
 864            "case",
 865            "change",
 866            "char",
 867            "character",
 868            "check",
 869            "collate",
 870            "column",
 871            "condition",
 872            "constraint",
 873            "continue",
 874            "convert",
 875            "create",
 876            "cross",
 877            "cube",
 878            "cume_dist",
 879            "current_date",
 880            "current_time",
 881            "current_timestamp",
 882            "current_user",
 883            "cursor",
 884            "database",
 885            "databases",
 886            "day_hour",
 887            "day_microsecond",
 888            "day_minute",
 889            "day_second",
 890            "dec",
 891            "decimal",
 892            "declare",
 893            "default",
 894            "delayed",
 895            "delete",
 896            "dense_rank",
 897            "desc",
 898            "describe",
 899            "deterministic",
 900            "distinct",
 901            "distinctrow",
 902            "div",
 903            "double",
 904            "drop",
 905            "dual",
 906            "each",
 907            "else",
 908            "elseif",
 909            "empty",
 910            "enclosed",
 911            "escaped",
 912            "except",
 913            "exists",
 914            "exit",
 915            "explain",
 916            "false",
 917            "fetch",
 918            "first_value",
 919            "float",
 920            "float4",
 921            "float8",
 922            "for",
 923            "force",
 924            "foreign",
 925            "from",
 926            "fulltext",
 927            "function",
 928            "generated",
 929            "get",
 930            "grant",
 931            "group",
 932            "grouping",
 933            "groups",
 934            "having",
 935            "high_priority",
 936            "hour_microsecond",
 937            "hour_minute",
 938            "hour_second",
 939            "if",
 940            "ignore",
 941            "in",
 942            "index",
 943            "infile",
 944            "inner",
 945            "inout",
 946            "insensitive",
 947            "insert",
 948            "int",
 949            "int1",
 950            "int2",
 951            "int3",
 952            "int4",
 953            "int8",
 954            "integer",
 955            "intersect",
 956            "interval",
 957            "into",
 958            "io_after_gtids",
 959            "io_before_gtids",
 960            "is",
 961            "iterate",
 962            "join",
 963            "json_table",
 964            "key",
 965            "keys",
 966            "kill",
 967            "lag",
 968            "last_value",
 969            "lateral",
 970            "lead",
 971            "leading",
 972            "leave",
 973            "left",
 974            "like",
 975            "limit",
 976            "linear",
 977            "lines",
 978            "load",
 979            "localtime",
 980            "localtimestamp",
 981            "lock",
 982            "long",
 983            "longblob",
 984            "longtext",
 985            "loop",
 986            "low_priority",
 987            "master_bind",
 988            "master_ssl_verify_server_cert",
 989            "match",
 990            "maxvalue",
 991            "mediumblob",
 992            "mediumint",
 993            "mediumtext",
 994            "middleint",
 995            "minute_microsecond",
 996            "minute_second",
 997            "mod",
 998            "modifies",
 999            "natural",
1000            "not",
1001            "no_write_to_binlog",
1002            "nth_value",
1003            "ntile",
1004            "null",
1005            "numeric",
1006            "of",
1007            "on",
1008            "optimize",
1009            "optimizer_costs",
1010            "option",
1011            "optionally",
1012            "or",
1013            "order",
1014            "out",
1015            "outer",
1016            "outfile",
1017            "over",
1018            "partition",
1019            "percent_rank",
1020            "precision",
1021            "primary",
1022            "procedure",
1023            "purge",
1024            "range",
1025            "rank",
1026            "read",
1027            "reads",
1028            "read_write",
1029            "real",
1030            "recursive",
1031            "references",
1032            "regexp",
1033            "release",
1034            "rename",
1035            "repeat",
1036            "replace",
1037            "require",
1038            "resignal",
1039            "restrict",
1040            "return",
1041            "revoke",
1042            "right",
1043            "rlike",
1044            "row",
1045            "rows",
1046            "row_number",
1047            "schema",
1048            "schemas",
1049            "second_microsecond",
1050            "select",
1051            "sensitive",
1052            "separator",
1053            "set",
1054            "show",
1055            "signal",
1056            "smallint",
1057            "spatial",
1058            "specific",
1059            "sql",
1060            "sqlexception",
1061            "sqlstate",
1062            "sqlwarning",
1063            "sql_big_result",
1064            "sql_calc_found_rows",
1065            "sql_small_result",
1066            "ssl",
1067            "starting",
1068            "stored",
1069            "straight_join",
1070            "system",
1071            "table",
1072            "terminated",
1073            "then",
1074            "tinyblob",
1075            "tinyint",
1076            "tinytext",
1077            "to",
1078            "trailing",
1079            "trigger",
1080            "true",
1081            "undo",
1082            "union",
1083            "unique",
1084            "unlock",
1085            "unsigned",
1086            "update",
1087            "usage",
1088            "use",
1089            "using",
1090            "utc_date",
1091            "utc_time",
1092            "utc_timestamp",
1093            "values",
1094            "varbinary",
1095            "varchar",
1096            "varcharacter",
1097            "varying",
1098            "virtual",
1099            "when",
1100            "where",
1101            "while",
1102            "window",
1103            "with",
1104            "write",
1105            "xor",
1106            "year_month",
1107            "zerofill",
1108        }
1109
1110        def array_sql(self, expression: exp.Array) -> str:
1111            self.unsupported("Arrays are not supported by MySQL")
1112            return self.function_fallback_sql(expression)
1113
1114        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1115            self.unsupported("Array operations are not supported by MySQL")
1116            return self.function_fallback_sql(expression)
1117
1118        def dpipe_sql(self, expression: exp.DPipe) -> str:
1119            return self.func("CONCAT", *expression.flatten())
1120
1121        def extract_sql(self, expression: exp.Extract) -> str:
1122            unit = expression.name
1123            if unit and unit.lower() == "epoch":
1124                return self.func("UNIX_TIMESTAMP", expression.expression)
1125
1126            return super().extract_sql(expression)
1127
1128        def datatype_sql(self, expression: exp.DataType) -> str:
1129            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1130            result = super().datatype_sql(expression)
1131            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1132                result = f"{result} UNSIGNED"
1133            return result
1134
1135        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1136            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
1137
1138        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1139            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1140                return self.func("TIMESTAMP", expression.this)
1141
1142            to = self.CAST_MAPPING.get(expression.to.this)
1143
1144            if to:
1145                expression.to.set("this", to)
1146            return super().cast_sql(expression)
1147
1148        def show_sql(self, expression: exp.Show) -> str:
1149            this = f" {expression.name}"
1150            full = " FULL" if expression.args.get("full") else ""
1151            global_ = " GLOBAL" if expression.args.get("global") else ""
1152
1153            target = self.sql(expression, "target")
1154            target = f" {target}" if target else ""
1155            if expression.name in ("COLUMNS", "INDEX"):
1156                target = f" FROM{target}"
1157            elif expression.name == "GRANTS":
1158                target = f" FOR{target}"
1159
1160            db = self._prefixed_sql("FROM", expression, "db")
1161
1162            like = self._prefixed_sql("LIKE", expression, "like")
1163            where = self.sql(expression, "where")
1164
1165            types = self.expressions(expression, key="types")
1166            types = f" {types}" if types else types
1167            query = self._prefixed_sql("FOR QUERY", expression, "query")
1168
1169            if expression.name == "PROFILE":
1170                offset = self._prefixed_sql("OFFSET", expression, "offset")
1171                limit = self._prefixed_sql("LIMIT", expression, "limit")
1172            else:
1173                offset = ""
1174                limit = self._oldstyle_limit_sql(expression)
1175
1176            log = self._prefixed_sql("IN", expression, "log")
1177            position = self._prefixed_sql("FROM", expression, "position")
1178
1179            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1180
1181            if expression.name == "ENGINE":
1182                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1183            else:
1184                mutex_or_status = ""
1185
1186            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
1187
1188        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1189            dtype = self.sql(expression, "dtype")
1190            if not dtype:
1191                return super().altercolumn_sql(expression)
1192
1193            this = self.sql(expression, "this")
1194            return f"MODIFY COLUMN {this} {dtype}"
1195
1196        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
1197            sql = self.sql(expression, arg)
1198            return f" {prefix} {sql}" if sql else ""
1199
1200        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
1201            limit = self.sql(expression, "limit")
1202            offset = self.sql(expression, "offset")
1203            if limit:
1204                limit_offset = f"{offset}, {limit}" if offset else limit
1205                return f" LIMIT {limit_offset}"
1206            return ""
1207
1208        def chr_sql(self, expression: exp.Chr) -> str:
1209            this = self.expressions(sqls=[expression.this] + expression.expressions)
1210            charset = expression.args.get("charset")
1211            using = f" USING {self.sql(charset)}" if charset else ""
1212            return f"CHAR({this}{using})"
1213
1214        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1215            unit = expression.args.get("unit")
1216
1217            # Pick an old-enough date to avoid negative timestamp diffs
1218            start_ts = "'0000-01-01 00:00:00'"
1219
1220            # Source: https://stackoverflow.com/a/32955740
1221            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1222            interval = exp.Interval(this=timestamp_diff, unit=unit)
1223            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1224
1225            return self.sql(dateadd)
1226
1227        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1228            from_tz = expression.args.get("source_tz")
1229            to_tz = expression.args.get("target_tz")
1230            dt = expression.args.get("timestamp")
1231
1232            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
1233
1234        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1235            self.unsupported("AT TIME ZONE is not supported by MySQL")
1236            return self.sql(expression.this)

Generator converts a given syntax tree to the corresponding SQL string.

Arguments:
  • pretty: Whether to format the produced SQL string. Default: False.
  • identify: Determines when an identifier should be quoted. Possible values are: False (default): Never quote, except in cases where it's mandatory by the dialect. True or 'always': Always quote. 'safe': Only quote identifiers that are case insensitive.
  • normalize: Whether to normalize identifiers to lowercase. Default: False.
  • pad: The pad size in a formatted string. For example, this affects the indentation of a projection in a query, relative to its nesting level. Default: 2.
  • indent: The indentation size in a formatted string. For example, this affects the indentation of subqueries and filters under a WHERE clause. Default: 2.
  • normalize_functions: How to normalize function names. Possible values are: "upper" or True (default): Convert names to uppercase. "lower": Convert names to lowercase. False: Disables function name normalization.
  • unsupported_level: Determines the generator's behavior when it encounters unsupported expressions. Default ErrorLevel.WARN.
  • max_unsupported: Maximum number of unsupported messages to include in a raised UnsupportedError. This is only relevant if unsupported_level is ErrorLevel.RAISE. Default: 3
  • leading_comma: Whether the comma is leading or trailing in select expressions. This is only relevant when generating in pretty mode. Default: False
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode. The default is on the smaller end because the length only represents a segment and not the true line length. Default: 80
  • comments: Whether to preserve comments in the output SQL code. Default: True
INTERVAL_ALLOWS_PLURAL_FORM = False
LOCKING_READS_SUPPORTED = True
NULL_ORDERING_SUPPORTED = None
JOIN_HINTS = False
TABLE_HINTS = True
DUPLICATE_KEY_UPDATE_WITH_SET = False
QUERY_HINT_SEP = ' '
VALUES_AS_TABLE = False
NVL2_SUPPORTED = False
LAST_DAY_SUPPORTS_DATE_PART = False
JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
JSON_PATH_BRACKETED_KEY_SUPPORTED = False
JSON_KEY_VALUE_PAIR_SEP = ','
SUPPORTS_TO_NUMBER = False
PARSE_JSON_NAME: Optional[str] = None
PAD_FILL_PATTERN_IS_REQUIRED = True
WRAP_DERIVED_VALUES = False
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.Except'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ExternalProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.GlobalProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.HeapProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.IcebergProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.InheritsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.InlineLengthColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.InputModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.Intersect'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.IntervalSpan'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.LanguageProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.LocationProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.LogProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.MaterializedProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NonClusteredColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NoPrimaryIndexProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NotForReplicationColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnCommitProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnUpdateColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.Operator'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OutputModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.PathColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.PivotAny'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ProjectionPolicyColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.RemoteWithConnectionModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ReturnsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SampleProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SecureProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SecurityProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SetConfigProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SetProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SettingsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SharingProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SqlReadWriteProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SqlSecurityProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.StabilityProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.Stream'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.StreamingTableProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.StrictProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TemporaryProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TagColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TitleColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ToMap'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ToTableProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TransformModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TransientProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.Union'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.UnloggedProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.UppercaseColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.VarMap'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ViewAttributeProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.VolatileProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithJournalTableProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithSchemaBindingProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithOperator'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ArrayAgg'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.CurrentDate'>: <function no_paren_current_date_sql>, <class 'sqlglot.expressions.DateDiff'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateAdd'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateStrToDate'>: <function datestrtodate_sql>, <class 'sqlglot.expressions.DateSub'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateTrunc'>: <function _date_trunc_sql>, <class 'sqlglot.expressions.Day'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfMonth'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfWeek'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfYear'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.GroupConcat'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.ILike'>: <function no_ilike_sql>, <class 'sqlglot.expressions.JSONExtractScalar'>: <function arrow_json_extract_sql>, <class 'sqlglot.expressions.Max'>: <function max_or_greatest>, <class 'sqlglot.expressions.Min'>: <function min_or_least>, <class 'sqlglot.expressions.Month'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.NullSafeEQ'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.NullSafeNEQ'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.Pivot'>: <function no_pivot_sql>, <class 'sqlglot.expressions.Select'>: <function preprocess.<locals>._to_sql>, <class 'sqlglot.expressions.StrPosition'>: <function strposition_to_locate_sql>, <class 'sqlglot.expressions.StrToDate'>: <function _str_to_date_sql>, <class 'sqlglot.expressions.StrToTime'>: <function _str_to_date_sql>, <class 'sqlglot.expressions.Stuff'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TableSample'>: <function no_tablesample_sql>, <class 'sqlglot.expressions.TimeFromParts'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TimestampAdd'>: <function date_add_interval_sql.<locals>.func>, <class 'sqlglot.expressions.TimestampDiff'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TimestampSub'>: <function date_add_interval_sql.<locals>.func>, <class 'sqlglot.expressions.TimeStrToUnix'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TimeStrToTime'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TimeToStr'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.Trim'>: <function trim_sql>, <class 'sqlglot.expressions.TryCast'>: <function no_trycast_sql>, <class 'sqlglot.expressions.TsOrDsAdd'>: <function date_add_sql.<locals>.func>, <class 'sqlglot.expressions.TsOrDsDiff'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TsOrDsToDate'>: <function _ts_or_ds_to_date_sql>, <class 'sqlglot.expressions.UnixToTime'>: <function _unix_to_time_sql>, <class 'sqlglot.expressions.Week'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.WeekOfYear'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.Year'>: <function _remove_ts_or_ds_to_date.<locals>.func>}
UNSIGNED_TYPE_MAPPING = {<Type.UBIGINT: 'UBIGINT'>: 'BIGINT', <Type.UINT: 'UINT'>: 'INT', <Type.UMEDIUMINT: 'UMEDIUMINT'>: 'MEDIUMINT', <Type.USMALLINT: 'USMALLINT'>: 'SMALLINT', <Type.UTINYINT: 'UTINYINT'>: 'TINYINT', <Type.UDECIMAL: 'UDECIMAL'>: 'DECIMAL'}
TIMESTAMP_TYPE_MAPPING = {<Type.TIMESTAMP: 'TIMESTAMP'>: 'DATETIME', <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: 'TIMESTAMP', <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>: 'TIMESTAMP'}
TYPE_MAPPING = {<Type.NCHAR: 'NCHAR'>: 'CHAR', <Type.NVARCHAR: 'NVARCHAR'>: 'VARCHAR', <Type.INET: 'INET'>: 'INET', <Type.ROWVERSION: 'ROWVERSION'>: 'VARBINARY', <Type.UBIGINT: 'UBIGINT'>: 'BIGINT', <Type.UINT: 'UINT'>: 'INT', <Type.UMEDIUMINT: 'UMEDIUMINT'>: 'MEDIUMINT', <Type.USMALLINT: 'USMALLINT'>: 'SMALLINT', <Type.UTINYINT: 'UTINYINT'>: 'TINYINT', <Type.UDECIMAL: 'UDECIMAL'>: 'DECIMAL', <Type.TIMESTAMP: 'TIMESTAMP'>: 'DATETIME', <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: 'TIMESTAMP', <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>: 'TIMESTAMP'}
PROPERTIES_LOCATION = {<class 'sqlglot.expressions.AllowedValuesProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.AlgorithmProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.AutoIncrementProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.AutoRefreshProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.BackupProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.BlockCompressionProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.CharacterSetProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ChecksumProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.CollateProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.CopyGrantsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Cluster'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ClusteredByProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DistributedByProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DuplicateKeyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DataBlocksizeProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.DataDeletionProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DefinerProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.DictRange'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DictProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DynamicProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.DistKeyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DistStyleProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.EmptyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.EngineProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ExecuteAsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ExternalProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.FallbackProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.FileFormatProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.FreespaceProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.GlobalProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.HeapProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.InheritsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.IcebergProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.InputModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.IsolatedLoadingProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.JournalProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.LanguageProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LikeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LocationProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LockProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LockingProperty'>: <Location.POST_ALIAS: 'POST_ALIAS'>, <class 'sqlglot.expressions.LogProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.MaterializedProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.MergeBlockRatioProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.NoPrimaryIndexProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.OnProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.OnCommitProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.Order'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.OutputModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.PartitionedByProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.PartitionedOfProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.PrimaryKey'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Property'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.RemoteWithConnectionModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ReturnsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatDelimitedProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatSerdeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SampleProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SchemaCommentProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SecureProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.SecurityProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SerdeProperties'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Set'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SettingsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SetProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.SetConfigProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SharingProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.SequenceProperties'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.SortKeyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SqlReadWriteProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SqlSecurityProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.StabilityProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.StreamingTableProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.StrictProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.TemporaryProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.ToTableProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.TransientProperty'>: <Location.UNSUPPORTED: 'UNSUPPORTED'>, <class 'sqlglot.expressions.TransformModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.MergeTreeTTL'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.UnloggedProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.ViewAttributeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.VolatileProperty'>: <Location.UNSUPPORTED: 'UNSUPPORTED'>, <class 'sqlglot.expressions.WithDataProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.WithJournalTableProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.WithSchemaBindingProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.WithSystemVersioningProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>}
LIMIT_FETCH = 'LIMIT'
LIMIT_ONLY_LITERALS = True
CHAR_CAST_MAPPING = {<Type.LONGTEXT: 'LONGTEXT'>: 'CHAR', <Type.LONGBLOB: 'LONGBLOB'>: 'CHAR', <Type.MEDIUMBLOB: 'MEDIUMBLOB'>: 'CHAR', <Type.MEDIUMTEXT: 'MEDIUMTEXT'>: 'CHAR', <Type.TEXT: 'TEXT'>: 'CHAR', <Type.TINYBLOB: 'TINYBLOB'>: 'CHAR', <Type.TINYTEXT: 'TINYTEXT'>: 'CHAR', <Type.VARCHAR: 'VARCHAR'>: 'CHAR'}
SIGNED_CAST_MAPPING = {<Type.BIGINT: 'BIGINT'>: 'SIGNED', <Type.BOOLEAN: 'BOOLEAN'>: 'SIGNED', <Type.INT: 'INT'>: 'SIGNED', <Type.SMALLINT: 'SMALLINT'>: 'SIGNED', <Type.TINYINT: 'TINYINT'>: 'SIGNED', <Type.MEDIUMINT: 'MEDIUMINT'>: 'SIGNED'}
CAST_MAPPING = {<Type.LONGTEXT: 'LONGTEXT'>: 'CHAR', <Type.LONGBLOB: 'LONGBLOB'>: 'CHAR', <Type.MEDIUMBLOB: 'MEDIUMBLOB'>: 'CHAR', <Type.MEDIUMTEXT: 'MEDIUMTEXT'>: 'CHAR', <Type.TEXT: 'TEXT'>: 'CHAR', <Type.TINYBLOB: 'TINYBLOB'>: 'CHAR', <Type.TINYTEXT: 'TINYTEXT'>: 'CHAR', <Type.VARCHAR: 'VARCHAR'>: 'CHAR', <Type.BIGINT: 'BIGINT'>: 'SIGNED', <Type.BOOLEAN: 'BOOLEAN'>: 'SIGNED', <Type.INT: 'INT'>: 'SIGNED', <Type.SMALLINT: 'SMALLINT'>: 'SIGNED', <Type.TINYINT: 'TINYINT'>: 'SIGNED', <Type.MEDIUMINT: 'MEDIUMINT'>: 'SIGNED', <Type.UBIGINT: 'UBIGINT'>: 'UNSIGNED'}
TIMESTAMP_FUNC_TYPES = {<Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>}
RESERVED_KEYWORDS = {'io_after_gtids', 'limit', 'day_minute', 'repeat', 'ntile', 'day_hour', 'set', 'dense_rank', 'asensitive', 'databases', 'hour_minute', 'describe', 'float4', 'while', 'partition', 'unsigned', 'natural', 'trigger', 'purge', 'float8', 'io_before_gtids', 'sensitive', 'hour_microsecond', 'optimizer_costs', 'groups', 'precision', 'asc', 'mod', 'cume_dist', 'unlock', 'get', 'day_second', 'where', 'reads', 'cube', 'ssl', 'double', 'localtimestamp', 'int3', 'current_timestamp', 'distinct', 'interval', 'and', 'enclosed', 'zerofill', 'div', 'left', 'xor', 'cascade', 'return', 'dec', 'sqlexception', 'references', 'generated', 'rename', 'before', 'exit', 'group', 'procedure', 'char', 'int', 'fetch', 'nth_value', 'lag', 'union', 'index', 'accessible', 'ignore', 'alter', 'outfile', 'float', 'low_priority', 'modifies', 'both', 'not', 'varcharacter', 'foreign', 'revoke', 'optionally', 'current_time', 'int1', 'key', 'join', 'numeric', 'when', 'separator', 'desc', 'option', 'replace', 'analyze', 'current_date', 'column', 'by', 'constraint', 'right', 'values', 'cursor', 'explain', 'year_month', 'false', 'range', 'binary', 'signal', 'having', 'sqlwarning', 'for', 'high_priority', 'inner', 'int2', 'blob', 'change', 'elseif', 'real', 'grouping', 'percent_rank', 'utc_time', 'minute_second', 'decimal', 'schema', 'each', 'row', 'leading', 'like', 'utc_date', 'load', 'on', 'master_ssl_verify_server_cert', 'out', 'usage', 'with', 'distinctrow', 'if', 'case', 'resignal', 'sql_big_result', 'long', 'integer', 'restrict', 'null', 'linear', 'insert', 'primary', 'show', 'int4', 'system', 'sql', 'hour_second', 'json_table', 'convert', 'empty', 'varchar', 'rows', 'check', 'require', 'int8', 'straight_join', 'master_bind', 'then', 'sqlstate', 'delayed', 'tinyint', 'over', 'day_microsecond', 'lines', 'deterministic', 'create', 'localtime', 'dual', 'regexp', 'terminated', 'update', 'true', 'as', 'lock', 'leave', 'select', 'collate', 'database', 'tinytext', 'longblob', 'unique', 'no_write_to_binlog', 'maxvalue', 'varying', 'varbinary', 'all', 'use', 'rlike', 'release', 'second_microsecond', 'starting', 'middleint', 'schemas', 'declare', 'order', 'longtext', 'read', 'write', 'window', 'spatial', 'utc_timestamp', 'inout', 'lateral', 'keys', 'mediumtext', 'force', 'virtual', 'loop', 'using', 'fulltext', 'into', 'delete', 'table', 'continue', 'drop', 'tinyblob', 'mediumint', 'insensitive', 'iterate', 'match', 'call', 'current_user', 'minute_microsecond', 'optimize', 'of', 'row_number', 'condition', 'default', 'mediumblob', 'sql_small_result', 'in', 'from', 'cross', 'read_write', 'or', 'first_value', 'to', 'trailing', 'exists', 'function', 'recursive', 'except', 'sql_calc_found_rows', 'stored', 'infile', 'bigint', 'is', 'character', 'outer', 'add', 'last_value', 'else', 'escaped', 'undo', 'intersect', 'lead', 'kill', 'between', 'specific', 'grant', 'smallint', 'rank'}
def array_sql(self, expression: sqlglot.expressions.Array) -> str:
1110        def array_sql(self, expression: exp.Array) -> str:
1111            self.unsupported("Arrays are not supported by MySQL")
1112            return self.function_fallback_sql(expression)
def arraycontainsall_sql(self, expression: sqlglot.expressions.ArrayContainsAll) -> str:
1114        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1115            self.unsupported("Array operations are not supported by MySQL")
1116            return self.function_fallback_sql(expression)
def dpipe_sql(self, expression: sqlglot.expressions.DPipe) -> str:
1118        def dpipe_sql(self, expression: exp.DPipe) -> str:
1119            return self.func("CONCAT", *expression.flatten())
def extract_sql(self, expression: sqlglot.expressions.Extract) -> str:
1121        def extract_sql(self, expression: exp.Extract) -> str:
1122            unit = expression.name
1123            if unit and unit.lower() == "epoch":
1124                return self.func("UNIX_TIMESTAMP", expression.expression)
1125
1126            return super().extract_sql(expression)
def datatype_sql(self, expression: sqlglot.expressions.DataType) -> str:
1128        def datatype_sql(self, expression: exp.DataType) -> str:
1129            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1130            result = super().datatype_sql(expression)
1131            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1132                result = f"{result} UNSIGNED"
1133            return result
def jsonarraycontains_sql(self, expression: sqlglot.expressions.JSONArrayContains) -> str:
1135        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1136            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:
1138        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1139            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1140                return self.func("TIMESTAMP", expression.this)
1141
1142            to = self.CAST_MAPPING.get(expression.to.this)
1143
1144            if to:
1145                expression.to.set("this", to)
1146            return super().cast_sql(expression)
def show_sql(self, expression: sqlglot.expressions.Show) -> str:
1148        def show_sql(self, expression: exp.Show) -> str:
1149            this = f" {expression.name}"
1150            full = " FULL" if expression.args.get("full") else ""
1151            global_ = " GLOBAL" if expression.args.get("global") else ""
1152
1153            target = self.sql(expression, "target")
1154            target = f" {target}" if target else ""
1155            if expression.name in ("COLUMNS", "INDEX"):
1156                target = f" FROM{target}"
1157            elif expression.name == "GRANTS":
1158                target = f" FOR{target}"
1159
1160            db = self._prefixed_sql("FROM", expression, "db")
1161
1162            like = self._prefixed_sql("LIKE", expression, "like")
1163            where = self.sql(expression, "where")
1164
1165            types = self.expressions(expression, key="types")
1166            types = f" {types}" if types else types
1167            query = self._prefixed_sql("FOR QUERY", expression, "query")
1168
1169            if expression.name == "PROFILE":
1170                offset = self._prefixed_sql("OFFSET", expression, "offset")
1171                limit = self._prefixed_sql("LIMIT", expression, "limit")
1172            else:
1173                offset = ""
1174                limit = self._oldstyle_limit_sql(expression)
1175
1176            log = self._prefixed_sql("IN", expression, "log")
1177            position = self._prefixed_sql("FROM", expression, "position")
1178
1179            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1180
1181            if expression.name == "ENGINE":
1182                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1183            else:
1184                mutex_or_status = ""
1185
1186            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
def altercolumn_sql(self, expression: sqlglot.expressions.AlterColumn) -> str:
1188        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1189            dtype = self.sql(expression, "dtype")
1190            if not dtype:
1191                return super().altercolumn_sql(expression)
1192
1193            this = self.sql(expression, "this")
1194            return f"MODIFY COLUMN {this} {dtype}"
def chr_sql(self, expression: sqlglot.expressions.Chr) -> str:
1208        def chr_sql(self, expression: exp.Chr) -> str:
1209            this = self.expressions(sqls=[expression.this] + expression.expressions)
1210            charset = expression.args.get("charset")
1211            using = f" USING {self.sql(charset)}" if charset else ""
1212            return f"CHAR({this}{using})"
def timestamptrunc_sql(self, expression: sqlglot.expressions.TimestampTrunc) -> str:
1214        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1215            unit = expression.args.get("unit")
1216
1217            # Pick an old-enough date to avoid negative timestamp diffs
1218            start_ts = "'0000-01-01 00:00:00'"
1219
1220            # Source: https://stackoverflow.com/a/32955740
1221            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1222            interval = exp.Interval(this=timestamp_diff, unit=unit)
1223            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1224
1225            return self.sql(dateadd)
def converttimezone_sql(self, expression: sqlglot.expressions.ConvertTimezone) -> str:
1227        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1228            from_tz = expression.args.get("source_tz")
1229            to_tz = expression.args.get("target_tz")
1230            dt = expression.args.get("timestamp")
1231
1232            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
def attimezone_sql(self, expression: sqlglot.expressions.AtTimeZone) -> str:
1234        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1235            self.unsupported("AT TIME ZONE is not supported by MySQL")
1236            return self.sql(expression.this)
SELECT_KINDS: Tuple[str, ...] = ()
TRY_SUPPORTED = False
SUPPORTS_UESCAPE = False
SUPPORTS_NULLABLE_TYPES = False
AFTER_HAVING_MODIFIER_TRANSFORMS = {'windows': <function Generator.<lambda>>, 'qualify': <function Generator.<lambda>>}
Inherited Members
sqlglot.generator.Generator
Generator
IGNORE_NULLS_IN_FUNC
EXCEPT_INTERSECT_SUPPORT_ALL_CLAUSE
CREATE_FUNCTION_RETURN_AS
MATCHED_BY_SOURCE
SINGLE_STRING_INTERVAL
RENAME_TABLE_WITH_DB
GROUPINGS_SEP
INDEX_ON
QUERY_HINTS
IS_BOOL_ALLOWED
LIMIT_IS_TOP
RETURNING_END
EXTRACT_ALLOWS_QUOTES
TZ_TO_WITH_TIME_ZONE
ALTER_TABLE_INCLUDE_COLUMN_KEYWORD
UNNEST_WITH_ORDINALITY
AGGREGATE_FILTER_SUPPORTED
SEMI_ANTI_JOIN_WITH_SIDE
COMPUTED_COLUMN_WITH_TYPE
SUPPORTS_TABLE_COPY
TABLESAMPLE_REQUIRES_PARENS
TABLESAMPLE_SIZE_IS_ROWS
TABLESAMPLE_KEYWORDS
TABLESAMPLE_WITH_METHOD
TABLESAMPLE_SEED_KEYWORD
COLLATE_IS_FUNC
DATA_TYPE_SPECIFIERS_ALLOWED
ENSURE_BOOLS
CTE_RECURSIVE_KEYWORD_REQUIRED
SUPPORTS_SINGLE_ARG_CONCAT
SUPPORTS_TABLE_ALIAS_COLUMNS
UNPIVOT_ALIASES_ARE_IDENTIFIERS
INSERT_OVERWRITE
SUPPORTS_SELECT_INTO
SUPPORTS_UNLOGGED_TABLES
SUPPORTS_CREATE_TABLE_LIKE
LIKE_PROPERTY_INSIDE_SCHEMA
MULTI_ARG_DISTINCT
JSON_PATH_SINGLE_QUOTE_ESCAPE
SUPPORTED_JSON_PATH_PARTS
CAN_IMPLEMENT_ARRAY_ANY
SET_OP_MODIFIERS
COPY_PARAMS_ARE_WRAPPED
COPY_PARAMS_EQ_REQUIRED
COPY_HAS_INTO_KEYWORD
STAR_EXCEPT
HEX_FUNC
WITH_PROPERTIES_PREFIX
QUOTE_JSON_PATH
SUPPORTS_EXPLODING_PROJECTIONS
ARRAY_CONCAT_IS_VAR_LEN
SUPPORTS_CONVERT_TIMEZONE
TIME_PART_SINGULARS
TOKEN_MAPPING
STRUCT_DELIMITER
PARAMETER_TOKEN
NAMED_PLACEHOLDER_TOKEN
WITH_SEPARATED_COMMENTS
EXCLUDE_COMMENTS
UNWRAPPED_INTERVAL_VALUES
PARAMETERIZABLE_TEXT_TYPES
EXPRESSIONS_WITHOUT_NESTED_CTES
SENTINEL_LINE_BREAK
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