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

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.TRUNCATE: 'TRUNCATE'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.GLOB: 'GLOB'>, <TokenType.WINDOW: 'WINDOW'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.DATE32: 'DATE32'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.VALUES: 'VALUES'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.JSONB: 'JSONB'>, <TokenType.VAR: 'VAR'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.TEXT: 'TEXT'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.BIT: 'BIT'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.UINT128: 'UINT128'>, <TokenType.INDEX: 'INDEX'>, <TokenType.IPV6: 'IPV6'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.INT128: 'INT128'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.NESTED: 'NESTED'>, <TokenType.IPV4: 'IPV4'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.INET: 'INET'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.OFFSET: 'OFFSET'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.NAME: 'NAME'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.BINARY: 'BINARY'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.ILIKE: 'ILIKE'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.ALL: 'ALL'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.INSERT: 'INSERT'>, <TokenType.SUPER: 'SUPER'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.RIGHT: 'RIGHT'>, <TokenType.TABLE: 'TABLE'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.ROW: 'ROW'>, <TokenType.UUID: 'UUID'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.YEAR: 'YEAR'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.INT256: 'INT256'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.FILTER: 'FILTER'>, <TokenType.RANGE: 'RANGE'>, <TokenType.LEFT: 'LEFT'>, <TokenType.CHAR: 'CHAR'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.MONEY: 'MONEY'>, <TokenType.SOME: 'SOME'>, <TokenType.JSON: 'JSON'>, <TokenType.LIST: 'LIST'>, <TokenType.MERGE: 'MERGE'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.NULL: 'NULL'>, <TokenType.RLIKE: 'RLIKE'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.ANY: 'ANY'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.UINT: 'UINT'>, <TokenType.ENUM: 'ENUM'>, <TokenType.XML: 'XML'>, <TokenType.MAP: 'MAP'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.XOR: 'XOR'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.LIKE: 'LIKE'>, <TokenType.DATE: 'DATE'>, <TokenType.INT: 'INT'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.FIRST: 'FIRST'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.TIME: 'TIME'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.UINT256: 'UINT256'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>}
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.TRUNCATE: 'TRUNCATE'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DESC: 'DESC'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.UNPIVOT: 'UNPIVOT'>, <TokenType.OVERWRITE: 'OVERWRITE'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.DATE32: 'DATE32'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.PERCENT: 'PERCENT'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.STORAGE_INTEGRATION: 'STORAGE_INTEGRATION'>, <TokenType.VOLATILE: 'VOLATILE'>, <TokenType.ASC: 'ASC'>, <TokenType.ROLLUP: 'ROLLUP'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.JSONB: 'JSONB'>, <TokenType.VAR: 'VAR'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.STREAMLIT: 'STREAMLIT'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.SETTINGS: 'SETTINGS'>, <TokenType.COMMENT: 'COMMENT'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.TEXT: 'TEXT'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.END: 'END'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.CUBE: 'CUBE'>, <TokenType.IS: 'IS'>, <TokenType.PROCEDURE: 'PROCEDURE'>, <TokenType.WAREHOUSE: 'WAREHOUSE'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.CACHE: 'CACHE'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.BIT: 'BIT'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.UINT128: 'UINT128'>, <TokenType.INDEX: 'INDEX'>, <TokenType.IPV6: 'IPV6'>, <TokenType.DEFAULT: 'DEFAULT'>, <TokenType.KEEP: 'KEEP'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.INT128: 'INT128'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.NESTED: 'NESTED'>, <TokenType.IPV4: 'IPV4'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.TRUE: 'TRUE'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.INET: 'INET'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.DICTIONARY: 'DICTIONARY'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.ESCAPE: 'ESCAPE'>, <TokenType.KILL: 'KILL'>, <TokenType.COLUMN: 'COLUMN'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.NAME: 'NAME'>, <TokenType.MODEL: 'MODEL'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.BINARY: 'BINARY'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.TOP: 'TOP'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.BEGIN: 'BEGIN'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.ORDINALITY: 'ORDINALITY'>, <TokenType.DELETE: 'DELETE'>, <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.ALL: 'ALL'>, <TokenType.CASE: 'CASE'>, <TokenType.COMMIT: 'COMMIT'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.SUPER: 'SUPER'>, <TokenType.SHOW: 'SHOW'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.SEMI: 'SEMI'>, <TokenType.TABLE: 'TABLE'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.FALSE: 'FALSE'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.ROW: 'ROW'>, <TokenType.UUID: 'UUID'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.UPDATE: 'UPDATE'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.YEAR: 'YEAR'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.INT256: 'INT256'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.FILTER: 'FILTER'>, <TokenType.OPERATOR: 'OPERATOR'>, <TokenType.RANGE: 'RANGE'>, <TokenType.TAG: 'TAG'>, <TokenType.CHAR: 'CHAR'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.NEXT: 'NEXT'>, <TokenType.DESCRIBE: 'DESCRIBE'>, <TokenType.SET: 'SET'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.MONEY: 'MONEY'>, <TokenType.PIVOT: 'PIVOT'>, <TokenType.SOME: 'SOME'>, <TokenType.JSON: 'JSON'>, <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, <TokenType.LIST: 'LIST'>, <TokenType.MERGE: 'MERGE'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.PARTITION: 'PARTITION'>, <TokenType.REFERENCES: 'REFERENCES'>, <TokenType.NULL: 'NULL'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.ANY: 'ANY'>, <TokenType.ROWS: 'ROWS'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.LOAD: 'LOAD'>, <TokenType.UNIQUE: 'UNIQUE'>, <TokenType.CONSTRAINT: 'CONSTRAINT'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.UINT: 'UINT'>, <TokenType.TEMPORARY: 'TEMPORARY'>, <TokenType.ENUM: 'ENUM'>, <TokenType.XML: 'XML'>, <TokenType.MAP: 'MAP'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.RENAME: 'RENAME'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.OVERLAPS: 'OVERLAPS'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.ANTI: 'ANTI'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.PRAGMA: 'PRAGMA'>, <TokenType.VIEW: 'VIEW'>, <TokenType.DATE: 'DATE'>, <TokenType.REFRESH: 'REFRESH'>, <TokenType.INT: 'INT'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.COPY: 'COPY'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.DIV: 'DIV'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.FIRST: 'FIRST'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.FUNCTION: 'FUNCTION'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.RECURSIVE: 'RECURSIVE'>, <TokenType.TIME: 'TIME'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.UINT256: 'UINT256'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.FINAL: 'FINAL'>}
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': <function Parser.<lambda>>, 'CHAR': <function Parser.<lambda>>, 'COALESCE': <function build_coalesce>, 'IFNULL': <function build_coalesce>, 'NVL': <function build_coalesce>, 'COLLATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Collate'>>, '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>>, 'UNPACK_COLUMNS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnpackColumns'>>, 'UPPER': <function build_upper>, 'UCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Upper'>>, 'UUID': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Uuid'>>, 'GEN_RANDOM_UUID': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Uuid'>>, 'GENERATE_UUID': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Uuid'>>, 'UUID_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Uuid'>>, 'VAR_MAP': <function build_var_map>, 'VARIANCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VAR_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'VAR_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'WEEK': <function MySQL.Parser.<lambda>>, 'WEEK_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.WeekOfYear'>>, 'WEEKOFYEAR': <function MySQL.Parser.<lambda>>, 'WHEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.When'>>, 'X_M_L_TABLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.XMLTable'>>, 'XOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Xor'>>, 'YEAR': <function MySQL.Parser.<lambda>>, 'ARRAYAGG': <function Parser.<lambda>>, 'GLOB': <function Parser.<lambda>>, '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 = {'LIKE', 'CHECK', 'EXCLUDE', 'PRIMARY KEY', 'KEY', 'INDEX', 'UNIQUE', 'FULLTEXT', 'FOREIGN KEY', 'SPATIAL', 'PERIOD'}
PROFILE_TYPES: Dict[str, Sequence[Union[Sequence[str], str]]] = {'ALL': (), 'CPU': (), 'IPC': (), 'MEMORY': (), 'SOURCE': (), 'SWAPS': (), 'BLOCK': ('IO',), 'CONTEXT': ('SWITCHES',), 'PAGE': ('FAULTS',)}
TYPE_TOKENS = {<TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.SUPER: 'SUPER'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.DATE32: 'DATE32'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.UUID: 'UUID'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.YEAR: 'YEAR'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.INT256: 'INT256'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.JSONB: 'JSONB'>, <TokenType.CHAR: 'CHAR'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.SET: 'SET'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.TEXT: 'TEXT'>, <TokenType.MONEY: 'MONEY'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.JSON: 'JSON'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.LIST: 'LIST'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.BIT: 'BIT'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.NULL: 'NULL'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.UINT128: 'UINT128'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.IPV6: 'IPV6'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.INT128: 'INT128'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.UINT: 'UINT'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.NESTED: 'NESTED'>, <TokenType.ENUM: 'ENUM'>, <TokenType.XML: 'XML'>, <TokenType.MAP: 'MAP'>, <TokenType.IPV4: 'IPV4'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.INET: 'INET'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.DATE: 'DATE'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.INT: 'INT'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.NAME: 'NAME'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.BINARY: 'BINARY'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.TIME: 'TIME'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.UINT256: 'UINT256'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.DATETIME64: 'DATETIME64'>}
ENUM_TYPE_TOKENS = {<TokenType.SET: 'SET'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.ENUM: 'ENUM'>}
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):
 676    class Generator(generator.Generator):
 677        INTERVAL_ALLOWS_PLURAL_FORM = False
 678        LOCKING_READS_SUPPORTED = True
 679        NULL_ORDERING_SUPPORTED = None
 680        JOIN_HINTS = False
 681        TABLE_HINTS = True
 682        DUPLICATE_KEY_UPDATE_WITH_SET = False
 683        QUERY_HINT_SEP = " "
 684        VALUES_AS_TABLE = False
 685        NVL2_SUPPORTED = False
 686        LAST_DAY_SUPPORTS_DATE_PART = False
 687        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
 688        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
 689        JSON_KEY_VALUE_PAIR_SEP = ","
 690        SUPPORTS_TO_NUMBER = False
 691        PARSE_JSON_NAME: t.Optional[str] = None
 692        PAD_FILL_PATTERN_IS_REQUIRED = True
 693        WRAP_DERIVED_VALUES = False
 694        VARCHAR_REQUIRES_SIZE = True
 695
 696        TRANSFORMS = {
 697            **generator.Generator.TRANSFORMS,
 698            exp.ArrayAgg: rename_func("GROUP_CONCAT"),
 699            exp.CurrentDate: no_paren_current_date_sql,
 700            exp.DateDiff: _remove_ts_or_ds_to_date(
 701                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
 702            ),
 703            exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")),
 704            exp.DateStrToDate: datestrtodate_sql,
 705            exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")),
 706            exp.DateTrunc: _date_trunc_sql,
 707            exp.Day: _remove_ts_or_ds_to_date(),
 708            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
 709            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
 710            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
 711            exp.GroupConcat: lambda self,
 712            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
 713            exp.ILike: no_ilike_sql,
 714            exp.JSONExtractScalar: arrow_json_extract_sql,
 715            exp.Max: max_or_greatest,
 716            exp.Min: min_or_least,
 717            exp.Month: _remove_ts_or_ds_to_date(),
 718            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
 719            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
 720            exp.Pivot: no_pivot_sql,
 721            exp.Select: transforms.preprocess(
 722                [
 723                    transforms.eliminate_distinct_on,
 724                    transforms.eliminate_semi_and_anti_joins,
 725                    transforms.eliminate_qualify,
 726                    transforms.eliminate_full_outer_join,
 727                    transforms.unnest_generate_date_array_using_recursive_cte,
 728                ]
 729            ),
 730            exp.StrPosition: strposition_to_locate_sql,
 731            exp.StrToDate: _str_to_date_sql,
 732            exp.StrToTime: _str_to_date_sql,
 733            exp.Stuff: rename_func("INSERT"),
 734            exp.TableSample: no_tablesample_sql,
 735            exp.TimeFromParts: rename_func("MAKETIME"),
 736            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
 737            exp.TimestampDiff: lambda self, e: self.func(
 738                "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this
 739            ),
 740            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
 741            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
 742            exp.TimeStrToTime: lambda self, e: timestrtotime_sql(
 743                self,
 744                e,
 745                include_precision=not e.args.get("zone"),
 746            ),
 747            exp.TimeToStr: _remove_ts_or_ds_to_date(
 748                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
 749            ),
 750            exp.Trim: trim_sql,
 751            exp.TryCast: no_trycast_sql,
 752            exp.TsOrDsAdd: date_add_sql("ADD"),
 753            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
 754            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
 755            exp.UnixToTime: _unix_to_time_sql,
 756            exp.Week: _remove_ts_or_ds_to_date(),
 757            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
 758            exp.Year: _remove_ts_or_ds_to_date(),
 759        }
 760
 761        UNSIGNED_TYPE_MAPPING = {
 762            exp.DataType.Type.UBIGINT: "BIGINT",
 763            exp.DataType.Type.UINT: "INT",
 764            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
 765            exp.DataType.Type.USMALLINT: "SMALLINT",
 766            exp.DataType.Type.UTINYINT: "TINYINT",
 767            exp.DataType.Type.UDECIMAL: "DECIMAL",
 768        }
 769
 770        TIMESTAMP_TYPE_MAPPING = {
 771            exp.DataType.Type.TIMESTAMP: "DATETIME",
 772            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
 773            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
 774        }
 775
 776        TYPE_MAPPING = {
 777            **generator.Generator.TYPE_MAPPING,
 778            **UNSIGNED_TYPE_MAPPING,
 779            **TIMESTAMP_TYPE_MAPPING,
 780        }
 781
 782        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
 783        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
 784        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
 785        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
 786        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
 787        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
 788
 789        PROPERTIES_LOCATION = {
 790            **generator.Generator.PROPERTIES_LOCATION,
 791            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
 792            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
 793        }
 794
 795        LIMIT_FETCH = "LIMIT"
 796
 797        LIMIT_ONLY_LITERALS = True
 798
 799        CHAR_CAST_MAPPING = dict.fromkeys(
 800            (
 801                exp.DataType.Type.LONGTEXT,
 802                exp.DataType.Type.LONGBLOB,
 803                exp.DataType.Type.MEDIUMBLOB,
 804                exp.DataType.Type.MEDIUMTEXT,
 805                exp.DataType.Type.TEXT,
 806                exp.DataType.Type.TINYBLOB,
 807                exp.DataType.Type.TINYTEXT,
 808                exp.DataType.Type.VARCHAR,
 809            ),
 810            "CHAR",
 811        )
 812        SIGNED_CAST_MAPPING = dict.fromkeys(
 813            (
 814                exp.DataType.Type.BIGINT,
 815                exp.DataType.Type.BOOLEAN,
 816                exp.DataType.Type.INT,
 817                exp.DataType.Type.SMALLINT,
 818                exp.DataType.Type.TINYINT,
 819                exp.DataType.Type.MEDIUMINT,
 820            ),
 821            "SIGNED",
 822        )
 823
 824        # MySQL doesn't support many datatypes in cast.
 825        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
 826        CAST_MAPPING = {
 827            **CHAR_CAST_MAPPING,
 828            **SIGNED_CAST_MAPPING,
 829            exp.DataType.Type.UBIGINT: "UNSIGNED",
 830        }
 831
 832        TIMESTAMP_FUNC_TYPES = {
 833            exp.DataType.Type.TIMESTAMPTZ,
 834            exp.DataType.Type.TIMESTAMPLTZ,
 835        }
 836
 837        # https://dev.mysql.com/doc/refman/8.0/en/keywords.html
 838        RESERVED_KEYWORDS = {
 839            "accessible",
 840            "add",
 841            "all",
 842            "alter",
 843            "analyze",
 844            "and",
 845            "as",
 846            "asc",
 847            "asensitive",
 848            "before",
 849            "between",
 850            "bigint",
 851            "binary",
 852            "blob",
 853            "both",
 854            "by",
 855            "call",
 856            "cascade",
 857            "case",
 858            "change",
 859            "char",
 860            "character",
 861            "check",
 862            "collate",
 863            "column",
 864            "condition",
 865            "constraint",
 866            "continue",
 867            "convert",
 868            "create",
 869            "cross",
 870            "cube",
 871            "cume_dist",
 872            "current_date",
 873            "current_time",
 874            "current_timestamp",
 875            "current_user",
 876            "cursor",
 877            "database",
 878            "databases",
 879            "day_hour",
 880            "day_microsecond",
 881            "day_minute",
 882            "day_second",
 883            "dec",
 884            "decimal",
 885            "declare",
 886            "default",
 887            "delayed",
 888            "delete",
 889            "dense_rank",
 890            "desc",
 891            "describe",
 892            "deterministic",
 893            "distinct",
 894            "distinctrow",
 895            "div",
 896            "double",
 897            "drop",
 898            "dual",
 899            "each",
 900            "else",
 901            "elseif",
 902            "empty",
 903            "enclosed",
 904            "escaped",
 905            "except",
 906            "exists",
 907            "exit",
 908            "explain",
 909            "false",
 910            "fetch",
 911            "first_value",
 912            "float",
 913            "float4",
 914            "float8",
 915            "for",
 916            "force",
 917            "foreign",
 918            "from",
 919            "fulltext",
 920            "function",
 921            "generated",
 922            "get",
 923            "grant",
 924            "group",
 925            "grouping",
 926            "groups",
 927            "having",
 928            "high_priority",
 929            "hour_microsecond",
 930            "hour_minute",
 931            "hour_second",
 932            "if",
 933            "ignore",
 934            "in",
 935            "index",
 936            "infile",
 937            "inner",
 938            "inout",
 939            "insensitive",
 940            "insert",
 941            "int",
 942            "int1",
 943            "int2",
 944            "int3",
 945            "int4",
 946            "int8",
 947            "integer",
 948            "intersect",
 949            "interval",
 950            "into",
 951            "io_after_gtids",
 952            "io_before_gtids",
 953            "is",
 954            "iterate",
 955            "join",
 956            "json_table",
 957            "key",
 958            "keys",
 959            "kill",
 960            "lag",
 961            "last_value",
 962            "lateral",
 963            "lead",
 964            "leading",
 965            "leave",
 966            "left",
 967            "like",
 968            "limit",
 969            "linear",
 970            "lines",
 971            "load",
 972            "localtime",
 973            "localtimestamp",
 974            "lock",
 975            "long",
 976            "longblob",
 977            "longtext",
 978            "loop",
 979            "low_priority",
 980            "master_bind",
 981            "master_ssl_verify_server_cert",
 982            "match",
 983            "maxvalue",
 984            "mediumblob",
 985            "mediumint",
 986            "mediumtext",
 987            "middleint",
 988            "minute_microsecond",
 989            "minute_second",
 990            "mod",
 991            "modifies",
 992            "natural",
 993            "not",
 994            "no_write_to_binlog",
 995            "nth_value",
 996            "ntile",
 997            "null",
 998            "numeric",
 999            "of",
1000            "on",
1001            "optimize",
1002            "optimizer_costs",
1003            "option",
1004            "optionally",
1005            "or",
1006            "order",
1007            "out",
1008            "outer",
1009            "outfile",
1010            "over",
1011            "partition",
1012            "percent_rank",
1013            "precision",
1014            "primary",
1015            "procedure",
1016            "purge",
1017            "range",
1018            "rank",
1019            "read",
1020            "reads",
1021            "read_write",
1022            "real",
1023            "recursive",
1024            "references",
1025            "regexp",
1026            "release",
1027            "rename",
1028            "repeat",
1029            "replace",
1030            "require",
1031            "resignal",
1032            "restrict",
1033            "return",
1034            "revoke",
1035            "right",
1036            "rlike",
1037            "row",
1038            "rows",
1039            "row_number",
1040            "schema",
1041            "schemas",
1042            "second_microsecond",
1043            "select",
1044            "sensitive",
1045            "separator",
1046            "set",
1047            "show",
1048            "signal",
1049            "smallint",
1050            "spatial",
1051            "specific",
1052            "sql",
1053            "sqlexception",
1054            "sqlstate",
1055            "sqlwarning",
1056            "sql_big_result",
1057            "sql_calc_found_rows",
1058            "sql_small_result",
1059            "ssl",
1060            "starting",
1061            "stored",
1062            "straight_join",
1063            "system",
1064            "table",
1065            "terminated",
1066            "then",
1067            "tinyblob",
1068            "tinyint",
1069            "tinytext",
1070            "to",
1071            "trailing",
1072            "trigger",
1073            "true",
1074            "undo",
1075            "union",
1076            "unique",
1077            "unlock",
1078            "unsigned",
1079            "update",
1080            "usage",
1081            "use",
1082            "using",
1083            "utc_date",
1084            "utc_time",
1085            "utc_timestamp",
1086            "values",
1087            "varbinary",
1088            "varchar",
1089            "varcharacter",
1090            "varying",
1091            "virtual",
1092            "when",
1093            "where",
1094            "while",
1095            "window",
1096            "with",
1097            "write",
1098            "xor",
1099            "year_month",
1100            "zerofill",
1101        }
1102
1103        def array_sql(self, expression: exp.Array) -> str:
1104            self.unsupported("Arrays are not supported by MySQL")
1105            return self.function_fallback_sql(expression)
1106
1107        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1108            self.unsupported("Array operations are not supported by MySQL")
1109            return self.function_fallback_sql(expression)
1110
1111        def dpipe_sql(self, expression: exp.DPipe) -> str:
1112            return self.func("CONCAT", *expression.flatten())
1113
1114        def extract_sql(self, expression: exp.Extract) -> str:
1115            unit = expression.name
1116            if unit and unit.lower() == "epoch":
1117                return self.func("UNIX_TIMESTAMP", expression.expression)
1118
1119            return super().extract_sql(expression)
1120
1121        def datatype_sql(self, expression: exp.DataType) -> str:
1122            if (
1123                self.VARCHAR_REQUIRES_SIZE
1124                and expression.is_type(exp.DataType.Type.VARCHAR)
1125                and not expression.expressions
1126            ):
1127                # `VARCHAR` must always have a size - if it doesn't, we always generate `TEXT`
1128                return "TEXT"
1129
1130            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1131            result = super().datatype_sql(expression)
1132            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1133                result = f"{result} UNSIGNED"
1134
1135            return result
1136
1137        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1138            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
1139
1140        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1141            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1142                return self.func("TIMESTAMP", expression.this)
1143
1144            to = self.CAST_MAPPING.get(expression.to.this)
1145
1146            if to:
1147                expression.to.set("this", to)
1148            return super().cast_sql(expression)
1149
1150        def show_sql(self, expression: exp.Show) -> str:
1151            this = f" {expression.name}"
1152            full = " FULL" if expression.args.get("full") else ""
1153            global_ = " GLOBAL" if expression.args.get("global") else ""
1154
1155            target = self.sql(expression, "target")
1156            target = f" {target}" if target else ""
1157            if expression.name in ("COLUMNS", "INDEX"):
1158                target = f" FROM{target}"
1159            elif expression.name == "GRANTS":
1160                target = f" FOR{target}"
1161
1162            db = self._prefixed_sql("FROM", expression, "db")
1163
1164            like = self._prefixed_sql("LIKE", expression, "like")
1165            where = self.sql(expression, "where")
1166
1167            types = self.expressions(expression, key="types")
1168            types = f" {types}" if types else types
1169            query = self._prefixed_sql("FOR QUERY", expression, "query")
1170
1171            if expression.name == "PROFILE":
1172                offset = self._prefixed_sql("OFFSET", expression, "offset")
1173                limit = self._prefixed_sql("LIMIT", expression, "limit")
1174            else:
1175                offset = ""
1176                limit = self._oldstyle_limit_sql(expression)
1177
1178            log = self._prefixed_sql("IN", expression, "log")
1179            position = self._prefixed_sql("FROM", expression, "position")
1180
1181            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1182
1183            if expression.name == "ENGINE":
1184                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1185            else:
1186                mutex_or_status = ""
1187
1188            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
1189
1190        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1191            dtype = self.sql(expression, "dtype")
1192            if not dtype:
1193                return super().altercolumn_sql(expression)
1194
1195            this = self.sql(expression, "this")
1196            return f"MODIFY COLUMN {this} {dtype}"
1197
1198        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
1199            sql = self.sql(expression, arg)
1200            return f" {prefix} {sql}" if sql else ""
1201
1202        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
1203            limit = self.sql(expression, "limit")
1204            offset = self.sql(expression, "offset")
1205            if limit:
1206                limit_offset = f"{offset}, {limit}" if offset else limit
1207                return f" LIMIT {limit_offset}"
1208            return ""
1209
1210        def chr_sql(self, expression: exp.Chr) -> str:
1211            this = self.expressions(sqls=[expression.this] + expression.expressions)
1212            charset = expression.args.get("charset")
1213            using = f" USING {self.sql(charset)}" if charset else ""
1214            return f"CHAR({this}{using})"
1215
1216        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1217            unit = expression.args.get("unit")
1218
1219            # Pick an old-enough date to avoid negative timestamp diffs
1220            start_ts = "'0000-01-01 00:00:00'"
1221
1222            # Source: https://stackoverflow.com/a/32955740
1223            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1224            interval = exp.Interval(this=timestamp_diff, unit=unit)
1225            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1226
1227            return self.sql(dateadd)
1228
1229        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1230            from_tz = expression.args.get("source_tz")
1231            to_tz = expression.args.get("target_tz")
1232            dt = expression.args.get("timestamp")
1233
1234            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
1235
1236        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1237            self.unsupported("AT TIME ZONE is not supported by MySQL")
1238            return self.sql(expression.this)

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

Arguments:
  • pretty: Whether to format the produced SQL string. Default: False.
  • identify: Determines when an identifier should be quoted. Possible values are: False (default): Never quote, except in cases where it's mandatory by the dialect. True or 'always': Always quote. 'safe': Only quote identifiers that are case insensitive.
  • normalize: Whether to normalize identifiers to lowercase. Default: False.
  • pad: The pad size in a formatted string. For example, this affects the indentation of a projection in a query, relative to its nesting level. Default: 2.
  • indent: The indentation size in a formatted string. For example, this affects the indentation of subqueries and filters under a WHERE clause. Default: 2.
  • normalize_functions: How to normalize function names. Possible values are: "upper" or True (default): Convert names to uppercase. "lower": Convert names to lowercase. False: Disables function name normalization.
  • unsupported_level: Determines the generator's behavior when it encounters unsupported expressions. Default ErrorLevel.WARN.
  • max_unsupported: Maximum number of unsupported messages to include in a raised UnsupportedError. This is only relevant if unsupported_level is ErrorLevel.RAISE. Default: 3
  • leading_comma: Whether the comma is leading or trailing in select expressions. This is only relevant when generating in pretty mode. Default: False
  • max_text_width: The max number of characters in a segment before creating new lines in pretty mode. The default is on the smaller end because the length only represents a segment and not the true line length. Default: 80
  • comments: Whether to preserve comments in the output SQL code. Default: True
INTERVAL_ALLOWS_PLURAL_FORM = False
LOCKING_READS_SUPPORTED = True
NULL_ORDERING_SUPPORTED = None
JOIN_HINTS = False
TABLE_HINTS = True
DUPLICATE_KEY_UPDATE_WITH_SET = False
QUERY_HINT_SEP = ' '
VALUES_AS_TABLE = False
NVL2_SUPPORTED = False
LAST_DAY_SUPPORTS_DATE_PART = False
JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
JSON_PATH_BRACKETED_KEY_SUPPORTED = False
JSON_KEY_VALUE_PAIR_SEP = ','
SUPPORTS_TO_NUMBER = False
PARSE_JSON_NAME: Optional[str] = None
PAD_FILL_PATTERN_IS_REQUIRED = True
WRAP_DERIVED_VALUES = False
VARCHAR_REQUIRES_SIZE = True
TRANSFORMS = {<class 'sqlglot.expressions.JSONPathFilter'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathKey'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathRecursive'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathRoot'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathScript'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathSelector'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathSlice'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathSubscript'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathUnion'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathWildcard'>: <function <lambda>>, <class 'sqlglot.expressions.AllowedValuesProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.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.UnpackColumns'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.Uuid'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.UppercaseColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.VarMap'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ViewAttributeProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.VolatileProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithJournalTableProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithSchemaBindingProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithOperator'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ArrayAgg'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.CurrentDate'>: <function no_paren_current_date_sql>, <class 'sqlglot.expressions.DateDiff'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateAdd'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateStrToDate'>: <function datestrtodate_sql>, <class 'sqlglot.expressions.DateSub'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateTrunc'>: <function _date_trunc_sql>, <class 'sqlglot.expressions.Day'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfMonth'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfWeek'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfYear'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.GroupConcat'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.ILike'>: <function no_ilike_sql>, <class 'sqlglot.expressions.JSONExtractScalar'>: <function arrow_json_extract_sql>, <class 'sqlglot.expressions.Max'>: <function max_or_greatest>, <class 'sqlglot.expressions.Min'>: <function min_or_least>, <class 'sqlglot.expressions.Month'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.NullSafeEQ'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.NullSafeNEQ'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.Pivot'>: <function no_pivot_sql>, <class 'sqlglot.expressions.Select'>: <function preprocess.<locals>._to_sql>, <class 'sqlglot.expressions.StrPosition'>: <function strposition_to_locate_sql>, <class 'sqlglot.expressions.StrToDate'>: <function _str_to_date_sql>, <class 'sqlglot.expressions.StrToTime'>: <function _str_to_date_sql>, <class 'sqlglot.expressions.Stuff'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TableSample'>: <function no_tablesample_sql>, <class 'sqlglot.expressions.TimeFromParts'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TimestampAdd'>: <function date_add_interval_sql.<locals>.func>, <class 'sqlglot.expressions.TimestampDiff'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TimestampSub'>: <function date_add_interval_sql.<locals>.func>, <class 'sqlglot.expressions.TimeStrToUnix'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TimeStrToTime'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TimeToStr'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.Trim'>: <function trim_sql>, <class 'sqlglot.expressions.TryCast'>: <function no_trycast_sql>, <class 'sqlglot.expressions.TsOrDsAdd'>: <function date_add_sql.<locals>.func>, <class 'sqlglot.expressions.TsOrDsDiff'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TsOrDsToDate'>: <function _ts_or_ds_to_date_sql>, <class 'sqlglot.expressions.UnixToTime'>: <function _unix_to_time_sql>, <class 'sqlglot.expressions.Week'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.WeekOfYear'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.Year'>: <function _remove_ts_or_ds_to_date.<locals>.func>}
UNSIGNED_TYPE_MAPPING = {<Type.UBIGINT: 'UBIGINT'>: 'BIGINT', <Type.UINT: 'UINT'>: 'INT', <Type.UMEDIUMINT: 'UMEDIUMINT'>: 'MEDIUMINT', <Type.USMALLINT: 'USMALLINT'>: 'SMALLINT', <Type.UTINYINT: 'UTINYINT'>: 'TINYINT', <Type.UDECIMAL: 'UDECIMAL'>: 'DECIMAL'}
TIMESTAMP_TYPE_MAPPING = {<Type.TIMESTAMP: 'TIMESTAMP'>: 'DATETIME', <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: 'TIMESTAMP', <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>: 'TIMESTAMP'}
TYPE_MAPPING = {<Type.NCHAR: 'NCHAR'>: 'CHAR', <Type.NVARCHAR: 'NVARCHAR'>: 'VARCHAR', <Type.INET: 'INET'>: 'INET', <Type.ROWVERSION: 'ROWVERSION'>: 'VARBINARY', <Type.UBIGINT: 'UBIGINT'>: 'BIGINT', <Type.UINT: 'UINT'>: 'INT', <Type.UMEDIUMINT: 'UMEDIUMINT'>: 'MEDIUMINT', <Type.USMALLINT: 'USMALLINT'>: 'SMALLINT', <Type.UTINYINT: 'UTINYINT'>: 'TINYINT', <Type.UDECIMAL: 'UDECIMAL'>: 'DECIMAL', <Type.TIMESTAMP: 'TIMESTAMP'>: 'DATETIME', <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: 'TIMESTAMP', <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>: 'TIMESTAMP'}
PROPERTIES_LOCATION = {<class 'sqlglot.expressions.AllowedValuesProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.AlgorithmProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.AutoIncrementProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.AutoRefreshProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.BackupProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.BlockCompressionProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.CharacterSetProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ChecksumProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.CollateProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.CopyGrantsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Cluster'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ClusteredByProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DistributedByProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DuplicateKeyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DataBlocksizeProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.DataDeletionProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DefinerProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.DictRange'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DictProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DynamicProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.DistKeyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DistStyleProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.EmptyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.EngineProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ExecuteAsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ExternalProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.FallbackProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.FileFormatProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.FreespaceProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.GlobalProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.HeapProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.InheritsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.IcebergProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.InputModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.IsolatedLoadingProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.JournalProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.LanguageProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LikeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LocationProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LockProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LockingProperty'>: <Location.POST_ALIAS: 'POST_ALIAS'>, <class 'sqlglot.expressions.LogProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.MaterializedProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.MergeBlockRatioProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.NoPrimaryIndexProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.OnProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.OnCommitProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.Order'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.OutputModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.PartitionedByProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.PartitionedOfProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.PrimaryKey'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Property'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.RemoteWithConnectionModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ReturnsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatDelimitedProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatSerdeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SampleProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SchemaCommentProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SecureProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.SecurityProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SerdeProperties'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Set'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SettingsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SetProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.SetConfigProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SharingProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.SequenceProperties'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.SortKeyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SqlReadWriteProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SqlSecurityProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.StabilityProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.StreamingTableProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.StrictProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.TemporaryProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.ToTableProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.TransientProperty'>: <Location.UNSUPPORTED: 'UNSUPPORTED'>, <class 'sqlglot.expressions.TransformModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.MergeTreeTTL'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.UnloggedProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.ViewAttributeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.VolatileProperty'>: <Location.UNSUPPORTED: 'UNSUPPORTED'>, <class 'sqlglot.expressions.WithDataProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.WithJournalTableProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.WithSchemaBindingProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.WithSystemVersioningProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>}
LIMIT_FETCH = 'LIMIT'
LIMIT_ONLY_LITERALS = True
CHAR_CAST_MAPPING = {<Type.LONGTEXT: 'LONGTEXT'>: 'CHAR', <Type.LONGBLOB: 'LONGBLOB'>: 'CHAR', <Type.MEDIUMBLOB: 'MEDIUMBLOB'>: 'CHAR', <Type.MEDIUMTEXT: 'MEDIUMTEXT'>: 'CHAR', <Type.TEXT: 'TEXT'>: 'CHAR', <Type.TINYBLOB: 'TINYBLOB'>: 'CHAR', <Type.TINYTEXT: 'TINYTEXT'>: 'CHAR', <Type.VARCHAR: 'VARCHAR'>: 'CHAR'}
SIGNED_CAST_MAPPING = {<Type.BIGINT: 'BIGINT'>: 'SIGNED', <Type.BOOLEAN: 'BOOLEAN'>: 'SIGNED', <Type.INT: 'INT'>: 'SIGNED', <Type.SMALLINT: 'SMALLINT'>: 'SIGNED', <Type.TINYINT: 'TINYINT'>: 'SIGNED', <Type.MEDIUMINT: 'MEDIUMINT'>: 'SIGNED'}
CAST_MAPPING = {<Type.LONGTEXT: 'LONGTEXT'>: 'CHAR', <Type.LONGBLOB: 'LONGBLOB'>: 'CHAR', <Type.MEDIUMBLOB: 'MEDIUMBLOB'>: 'CHAR', <Type.MEDIUMTEXT: 'MEDIUMTEXT'>: 'CHAR', <Type.TEXT: 'TEXT'>: 'CHAR', <Type.TINYBLOB: 'TINYBLOB'>: 'CHAR', <Type.TINYTEXT: 'TINYTEXT'>: 'CHAR', <Type.VARCHAR: 'VARCHAR'>: 'CHAR', <Type.BIGINT: 'BIGINT'>: 'SIGNED', <Type.BOOLEAN: 'BOOLEAN'>: 'SIGNED', <Type.INT: 'INT'>: 'SIGNED', <Type.SMALLINT: 'SMALLINT'>: 'SIGNED', <Type.TINYINT: 'TINYINT'>: 'SIGNED', <Type.MEDIUMINT: 'MEDIUMINT'>: 'SIGNED', <Type.UBIGINT: 'UBIGINT'>: 'UNSIGNED'}
TIMESTAMP_FUNC_TYPES = {<Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>}
RESERVED_KEYWORDS = {'out', 'localtimestamp', 'null', 'while', 'year_month', 'change', 'is', 'load', 'master_ssl_verify_server_cert', 'each', 'column', 'stored', 'insensitive', 'delete', 'rank', 'row', 'grant', 'int1', 'schemas', 'sqlwarning', 'values', 'cursor', 'show', 'modifies', 'trigger', 'recursive', 'float', 'lag', 'partition', 'foreign', 'convert', 'signal', 'day_hour', 'table', 'require', 'group', 'infile', 'optimize', 'in', 'separator', 'int', 'day_minute', 'constraint', 'release', 'second_microsecond', 'varying', 'mediumtext', 'optimizer_costs', 'bigint', 'precision', 'alter', 'when', 'lock', 'current_user', 'check', 'unique', 'generated', 'distinctrow', 'sql_calc_found_rows', 'leading', 'distinct', 'tinyblob', 'real', 'linear', 'minute_microsecond', 'cascade', 'add', 'set', 'zerofill', 'write', 'condition', 'and', 'div', 'natural', 'virtual', 'smallint', 'io_before_gtids', 'for', 'join', 'trailing', 'references', 'numeric', 'of', 'xor', 'read_write', 'spatial', 'last_value', 'usage', 'resignal', 'current_timestamp', 'restrict', 'use', 'leave', 'collate', 'iterate', 'procedure', 'groups', 'int4', 'key', 'with', 'rlike', 'empty', 'database', 'both', 'varcharacter', 'ignore', 'schema', 'mediumint', 'sql_small_result', 'integer', 'between', 'current_date', 'outer', 'sql_big_result', 'nth_value', 'longblob', 'escaped', 'first_value', 'order', 'fulltext', 'analyze', 'blob', 'delayed', 'grouping', 'deterministic', 'from', 'revoke', 'where', 'rows', 'enclosed', 'then', 'varchar', 'percent_rank', 'json_table', 'accessible', 'union', 'dual', 'not', 'float8', 'replace', 'high_priority', 'regexp', 'lead', 'elseif', 'utc_date', 'utc_timestamp', 'sensitive', 'hour_second', 'fetch', 'dec', 'limit', 'no_write_to_binlog', 'update', 'cube', 'master_bind', 'cume_dist', 'call', 'to', 'asc', 'straight_join', 'else', 'on', 'int2', 'sql', 'declare', 'like', 'lines', 'loop', 'row_number', 'tinytext', 'decimal', 'dense_rank', 'range', 'unlock', 'varbinary', 'right', 'left', 'keys', 'if', 'current_time', 'option', 'mediumblob', 'unsigned', 'rename', 'undo', 'using', 'char', 'create', 'ntile', 'exit', 'insert', 'or', 'intersect', 'outfile', 'as', 'window', 'long', 'over', 'read', 'terminated', 'float4', 'return', 'get', 'explain', 'day_microsecond', 'drop', 'into', 'day_second', 'false', 'repeat', 'ssl', 'system', 'having', 'inner', 'kill', 'optionally', 'primary', 'longtext', 'force', 'default', 'character', 'low_priority', 'case', 'hour_microsecond', 'match', 'mod', 'function', 'all', 'describe', 'select', 'lateral', 'index', 'interval', 'true', 'int3', 'tinyint', 'except', 'continue', 'cross', 'double', 'minute_second', 'sqlstate', 'sqlexception', 'utc_time', 'databases', 'middleint', 'specific', 'starting', 'reads', 'hour_minute', 'binary', 'by', 'purge', 'int8', 'io_after_gtids', 'maxvalue', 'inout', 'asensitive', 'desc', 'exists', 'before', 'localtime'}
def array_sql(self, expression: sqlglot.expressions.Array) -> str:
1103        def array_sql(self, expression: exp.Array) -> str:
1104            self.unsupported("Arrays are not supported by MySQL")
1105            return self.function_fallback_sql(expression)
def arraycontainsall_sql(self, expression: sqlglot.expressions.ArrayContainsAll) -> str:
1107        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
1108            self.unsupported("Array operations are not supported by MySQL")
1109            return self.function_fallback_sql(expression)
def dpipe_sql(self, expression: sqlglot.expressions.DPipe) -> str:
1111        def dpipe_sql(self, expression: exp.DPipe) -> str:
1112            return self.func("CONCAT", *expression.flatten())
def extract_sql(self, expression: sqlglot.expressions.Extract) -> str:
1114        def extract_sql(self, expression: exp.Extract) -> str:
1115            unit = expression.name
1116            if unit and unit.lower() == "epoch":
1117                return self.func("UNIX_TIMESTAMP", expression.expression)
1118
1119            return super().extract_sql(expression)
def datatype_sql(self, expression: sqlglot.expressions.DataType) -> str:
1121        def datatype_sql(self, expression: exp.DataType) -> str:
1122            if (
1123                self.VARCHAR_REQUIRES_SIZE
1124                and expression.is_type(exp.DataType.Type.VARCHAR)
1125                and not expression.expressions
1126            ):
1127                # `VARCHAR` must always have a size - if it doesn't, we always generate `TEXT`
1128                return "TEXT"
1129
1130            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
1131            result = super().datatype_sql(expression)
1132            if expression.this in self.UNSIGNED_TYPE_MAPPING:
1133                result = f"{result} UNSIGNED"
1134
1135            return result
def jsonarraycontains_sql(self, expression: sqlglot.expressions.JSONArrayContains) -> str:
1137        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
1138            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:
1140        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
1141            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
1142                return self.func("TIMESTAMP", expression.this)
1143
1144            to = self.CAST_MAPPING.get(expression.to.this)
1145
1146            if to:
1147                expression.to.set("this", to)
1148            return super().cast_sql(expression)
def show_sql(self, expression: sqlglot.expressions.Show) -> str:
1150        def show_sql(self, expression: exp.Show) -> str:
1151            this = f" {expression.name}"
1152            full = " FULL" if expression.args.get("full") else ""
1153            global_ = " GLOBAL" if expression.args.get("global") else ""
1154
1155            target = self.sql(expression, "target")
1156            target = f" {target}" if target else ""
1157            if expression.name in ("COLUMNS", "INDEX"):
1158                target = f" FROM{target}"
1159            elif expression.name == "GRANTS":
1160                target = f" FOR{target}"
1161
1162            db = self._prefixed_sql("FROM", expression, "db")
1163
1164            like = self._prefixed_sql("LIKE", expression, "like")
1165            where = self.sql(expression, "where")
1166
1167            types = self.expressions(expression, key="types")
1168            types = f" {types}" if types else types
1169            query = self._prefixed_sql("FOR QUERY", expression, "query")
1170
1171            if expression.name == "PROFILE":
1172                offset = self._prefixed_sql("OFFSET", expression, "offset")
1173                limit = self._prefixed_sql("LIMIT", expression, "limit")
1174            else:
1175                offset = ""
1176                limit = self._oldstyle_limit_sql(expression)
1177
1178            log = self._prefixed_sql("IN", expression, "log")
1179            position = self._prefixed_sql("FROM", expression, "position")
1180
1181            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
1182
1183            if expression.name == "ENGINE":
1184                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
1185            else:
1186                mutex_or_status = ""
1187
1188            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:
1190        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
1191            dtype = self.sql(expression, "dtype")
1192            if not dtype:
1193                return super().altercolumn_sql(expression)
1194
1195            this = self.sql(expression, "this")
1196            return f"MODIFY COLUMN {this} {dtype}"
def chr_sql(self, expression: sqlglot.expressions.Chr) -> str:
1210        def chr_sql(self, expression: exp.Chr) -> str:
1211            this = self.expressions(sqls=[expression.this] + expression.expressions)
1212            charset = expression.args.get("charset")
1213            using = f" USING {self.sql(charset)}" if charset else ""
1214            return f"CHAR({this}{using})"
def timestamptrunc_sql(self, expression: sqlglot.expressions.TimestampTrunc) -> str:
1216        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
1217            unit = expression.args.get("unit")
1218
1219            # Pick an old-enough date to avoid negative timestamp diffs
1220            start_ts = "'0000-01-01 00:00:00'"
1221
1222            # Source: https://stackoverflow.com/a/32955740
1223            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
1224            interval = exp.Interval(this=timestamp_diff, unit=unit)
1225            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
1226
1227            return self.sql(dateadd)
def converttimezone_sql(self, expression: sqlglot.expressions.ConvertTimezone) -> str:
1229        def converttimezone_sql(self, expression: exp.ConvertTimezone) -> str:
1230            from_tz = expression.args.get("source_tz")
1231            to_tz = expression.args.get("target_tz")
1232            dt = expression.args.get("timestamp")
1233
1234            return self.func("CONVERT_TZ", dt, from_tz, to_tz)
def attimezone_sql(self, expression: sqlglot.expressions.AtTimeZone) -> str:
1236        def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
1237            self.unsupported("AT TIME ZONE is not supported by MySQL")
1238            return self.sql(expression.this)
SELECT_KINDS: Tuple[str, ...] = ()
TRY_SUPPORTED = False
SUPPORTS_UESCAPE = False
AFTER_HAVING_MODIFIER_TRANSFORMS = {'windows': <function Generator.<lambda>>, 'qualify': <function Generator.<lambda>>}
Inherited Members
sqlglot.generator.Generator
Generator
IGNORE_NULLS_IN_FUNC
EXCEPT_INTERSECT_SUPPORT_ALL_CLAUSE
CREATE_FUNCTION_RETURN_AS
MATCHED_BY_SOURCE
SINGLE_STRING_INTERVAL
RENAME_TABLE_WITH_DB
GROUPINGS_SEP
INDEX_ON
QUERY_HINTS
IS_BOOL_ALLOWED
LIMIT_IS_TOP
RETURNING_END
EXTRACT_ALLOWS_QUOTES
TZ_TO_WITH_TIME_ZONE
ALTER_TABLE_INCLUDE_COLUMN_KEYWORD
UNNEST_WITH_ORDINALITY
AGGREGATE_FILTER_SUPPORTED
SEMI_ANTI_JOIN_WITH_SIDE
COMPUTED_COLUMN_WITH_TYPE
SUPPORTS_TABLE_COPY
TABLESAMPLE_REQUIRES_PARENS
TABLESAMPLE_SIZE_IS_ROWS
TABLESAMPLE_KEYWORDS
TABLESAMPLE_WITH_METHOD
TABLESAMPLE_SEED_KEYWORD
COLLATE_IS_FUNC
DATA_TYPE_SPECIFIERS_ALLOWED
ENSURE_BOOLS
CTE_RECURSIVE_KEYWORD_REQUIRED
SUPPORTS_SINGLE_ARG_CONCAT
SUPPORTS_TABLE_ALIAS_COLUMNS
UNPIVOT_ALIASES_ARE_IDENTIFIERS
INSERT_OVERWRITE
SUPPORTS_SELECT_INTO
SUPPORTS_UNLOGGED_TABLES
SUPPORTS_CREATE_TABLE_LIKE
LIKE_PROPERTY_INSIDE_SCHEMA
MULTI_ARG_DISTINCT
JSON_PATH_SINGLE_QUOTE_ESCAPE
SUPPORTED_JSON_PATH_PARTS
CAN_IMPLEMENT_ARRAY_ANY
SET_OP_MODIFIERS
COPY_PARAMS_ARE_WRAPPED
COPY_PARAMS_EQ_REQUIRED
COPY_HAS_INTO_KEYWORD
STAR_EXCEPT
HEX_FUNC
WITH_PROPERTIES_PREFIX
QUOTE_JSON_PATH
SUPPORTS_EXPLODING_PROJECTIONS
ARRAY_CONCAT_IS_VAR_LEN
SUPPORTS_CONVERT_TIMEZONE
TIME_PART_SINGULARS
TOKEN_MAPPING
STRUCT_DELIMITER
PARAMETER_TOKEN
NAMED_PLACEHOLDER_TOKEN
WITH_SEPARATED_COMMENTS
EXCLUDE_COMMENTS
UNWRAPPED_INTERVAL_VALUES
PARAMETERIZABLE_TEXT_TYPES
EXPRESSIONS_WITHOUT_NESTED_CTES
SENTINEL_LINE_BREAK
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