sqlglot.dialects.mysql API documentation

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# sqlglot.dialects.mysql

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       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 = {'S', 's', 'l', 'H', 'r', 'p', 'f', 'T', 'h', 'k', 'I', 'i'}
def date_add_sql( kind: str) -> Callable[[sqlglot.generator.Generator, sqlglot.expressions.Expression], str]: View Source

    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): View Source

     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

##### Inherited Members

sqlglot.dialects.dialect.Dialect
  Dialect
  INDEX_OFFSET
  WEEK_OFFSET
  UNNEST_COLUMN_ONLY
  ALIAS_POST_TABLESAMPLE
  TABLESAMPLE_SIZE_IS_PERCENT
  STRICT_STRING_CONCAT
  COPY_PARAMS_ARE_CSV
  NORMALIZE_FUNCTIONS
  LOG_BASE_FIRST
  NULL_ORDERING
  TYPED_DIVISION
  CONCAT_COALESCE
  HEX_LOWERCASE
  DATE_FORMAT
  DATEINT_FORMAT
  FORMAT_MAPPING
  PSEUDOCOLUMNS
  PREFER_CTE_ALIAS_COLUMN
  FORCE_EARLY_ALIAS_REF_EXPANSION
  EXPAND_ALIAS_REFS_EARLY_ONLY_IN_GROUP_BY
  SUPPORTS_ORDER_BY_ALL
  HAS_DISTINCT_ARRAY_CONSTRUCTORS
  SUPPORTS_FIXED_SIZE_ARRAYS
  STRICT_JSON_PATH_SYNTAX
  ON_CONDITION_EMPTY_BEFORE_ERROR
  ARRAY_AGG_INCLUDES_NULLS
  REGEXP_EXTRACT_DEFAULT_GROUP
  SET_OP_DISTINCT_BY_DEFAULT
  CREATABLE_KIND_MAPPING
  DATE_PART_MAPPING
  TYPE_TO_EXPRESSIONS
  ANNOTATORS
  get_or_raise
  format_time
  settings
  normalize_identifier
  case_sensitive
  can_identify
  quote_identifier
  to_json_path
  parse
  parse_into
  generate
  transpile
  tokenize
  tokenizer
  jsonpath_tokenizer
  parser
  generator

class MySQL.Tokenizer(sqlglot.tokens.Tokenizer): View Source

    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.GRANT: 'GRANT'>, 'OPTIMIZE': <TokenType.COMMAND: 'COMMAND'>, 'PREPARE': <TokenType.COMMAND: 'COMMAND'>, 'VACUUM': <TokenType.COMMAND: 'COMMAND'>, 'USER-DEFINED': <TokenType.USERDEFINED: 'USERDEFINED'>, 'FOR VERSION': <TokenType.VERSION_SNAPSHOT: 'VERSION_SNAPSHOT'>, 'FOR TIMESTAMP': <TokenType.TIMESTAMP_SNAPSHOT: 'TIMESTAMP_SNAPSHOT'>, 'CHARSET': <TokenType.CHARACTER_SET: 'CHARACTER_SET'>, 'FORCE': <TokenType.FORCE: 'FORCE'>, 'IGNORE': <TokenType.IGNORE: 'IGNORE'>, 'KEY': <TokenType.KEY: 'KEY'>, 'LOCK TABLES': <TokenType.COMMAND: 'COMMAND'>, 'MEMBER OF': <TokenType.MEMBER_OF: 'MEMBER_OF'>, 'SEPARATOR': <TokenType.SEPARATOR: 'SEPARATOR'>, 'START': <TokenType.BEGIN: 'BEGIN'>, 'SIGNED': <TokenType.BIGINT: 'BIGINT'>, 'SIGNED INTEGER': <TokenType.BIGINT: 'BIGINT'>, 'UNLOCK TABLES': <TokenType.COMMAND: 'COMMAND'>, 'UNSIGNED': <TokenType.UBIGINT: 'UBIGINT'>, 'UNSIGNED INTEGER': <TokenType.UBIGINT: 'UBIGINT'>, 'YEAR': <TokenType.YEAR: 'YEAR'>, '_ARMSCII8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_ASCII': <TokenType.INTRODUCER: 'INTRODUCER'>, '_BIG5': <TokenType.INTRODUCER: 'INTRODUCER'>, '_BINARY': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1250': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1251': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1256': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1257': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP850': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP852': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP866': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP932': <TokenType.INTRODUCER: 'INTRODUCER'>, '_DEC8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_EUCJPMS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_EUCKR': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GB18030': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GB2312': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GBK': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GEOSTD8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GREEK': <TokenType.INTRODUCER: 'INTRODUCER'>, '_HEBREW': <TokenType.INTRODUCER: 'INTRODUCER'>, '_HP8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KEYBCS2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KOI8R': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KOI8U': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN1': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN5': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN7': <TokenType.INTRODUCER: 'INTRODUCER'>, '_MACCE': <TokenType.INTRODUCER: 'INTRODUCER'>, '_MACROMAN': <TokenType.INTRODUCER: 'INTRODUCER'>, '_SJIS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_SWE7': <TokenType.INTRODUCER: 'INTRODUCER'>, '_TIS620': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UCS2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UJIS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF16': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF16LE': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF32': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8MB3': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8MB4': <TokenType.INTRODUCER: 'INTRODUCER'>, '@@': <TokenType.SESSION_PARAMETER: 'SESSION_PARAMETER'>}
COMMANDS = {<TokenType.EXECUTE: 'EXECUTE'>, <TokenType.RENAME: 'RENAME'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.FETCH: 'FETCH'>}

##### Inherited Members

sqlglot.tokens.Tokenizer
  Tokenizer
  SINGLE_TOKENS
  BYTE_STRINGS
  RAW_STRINGS
  HEREDOC_STRINGS
  UNICODE_STRINGS
  IDENTIFIER_ESCAPES
  VAR_SINGLE_TOKENS
  HEREDOC_TAG_IS_IDENTIFIER
  HEREDOC_STRING_ALTERNATIVE
  STRING_ESCAPES_ALLOWED_IN_RAW_STRINGS
  NESTED_COMMENTS
  WHITE_SPACE
  COMMAND_PREFIX_TOKENS
  NUMERIC_LITERALS
  dialect
  reset
  tokenize
  tokenize_rs
  size
  sql
  tokens

class MySQL.Parser(sqlglot.parser.Parser): View Source

    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.ISNULL: 'ISNULL'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.UINT: 'UINT'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.LIST: 'LIST'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.UNION: 'UNION'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.ALL: 'ALL'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.CHAR: 'CHAR'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.ILIKE: 'ILIKE'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.ROW: 'ROW'>, <TokenType.JSONB: 'JSONB'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.ANY: 'ANY'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.LIKE: 'LIKE'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.INT256: 'INT256'>, <TokenType.JSON: 'JSON'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.RIGHT: 'RIGHT'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.UINT256: 'UINT256'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.UUID: 'UUID'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.FIRST: 'FIRST'>, <TokenType.TIME: 'TIME'>, <TokenType.INT: 'INT'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.VAR: 'VAR'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.GLOB: 'GLOB'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.BIT: 'BIT'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.RANGE: 'RANGE'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.LEFT: 'LEFT'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.WINDOW: 'WINDOW'>, <TokenType.VALUES: 'VALUES'>, <TokenType.XML: 'XML'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.IPV4: 'IPV4'>, <TokenType.BINARY: 'BINARY'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.UINT128: 'UINT128'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.XOR: 'XOR'>, <TokenType.FILTER: 'FILTER'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.TEXT: 'TEXT'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.MAP: 'MAP'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.YEAR: 'YEAR'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.OFFSET: 'OFFSET'>, <TokenType.SUPER: 'SUPER'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.IPV6: 'IPV6'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.INDEX: 'INDEX'>, <TokenType.TABLE: 'TABLE'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.MERGE: 'MERGE'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.INT128: 'INT128'>, <TokenType.NULL: 'NULL'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.SOME: 'SOME'>, <TokenType.RLIKE: 'RLIKE'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.NAME: 'NAME'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.DATE32: 'DATE32'>, <TokenType.DATE: 'DATE'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.NESTED: 'NESTED'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.ENUM: 'ENUM'>, <TokenType.MONEY: 'MONEY'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.INET: 'INET'>, <TokenType.INSERT: 'INSERT'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.ARRAY: 'ARRAY'>}
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.COLUMN: 'COLUMN'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.KEEP: 'KEEP'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.DESC: 'DESC'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.UINT: 'UINT'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.REFRESH: 'REFRESH'>, <TokenType.CUBE: 'CUBE'>, <TokenType.WAREHOUSE: 'WAREHOUSE'>, <TokenType.LIST: 'LIST'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.COPY: 'COPY'>, <TokenType.IS: 'IS'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.COMMIT: 'COMMIT'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.ALL: 'ALL'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.CHAR: 'CHAR'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.ROWS: 'ROWS'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.REFERENCES: 'REFERENCES'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.SEMI: 'SEMI'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.JSONB: 'JSONB'>, <TokenType.ROW: 'ROW'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.UPDATE: 'UPDATE'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.DIV: 'DIV'>, <TokenType.KILL: 'KILL'>, <TokenType.STORAGE_INTEGRATION: 'STORAGE_INTEGRATION'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.ANY: 'ANY'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.PIVOT: 'PIVOT'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.BEGIN: 'BEGIN'>, <TokenType.INT256: 'INT256'>, <TokenType.JSON: 'JSON'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.DESCRIBE: 'DESCRIBE'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.UINT256: 'UINT256'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.UUID: 'UUID'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.PARTITION: 'PARTITION'>, <TokenType.VOLATILE: 'VOLATILE'>, <TokenType.FIRST: 'FIRST'>, <TokenType.UNIQUE: 'UNIQUE'>, <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, <TokenType.TIME: 'TIME'>, <TokenType.INT: 'INT'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.TRUE: 'TRUE'>, <TokenType.FINAL: 'FINAL'>, <TokenType.ORDINALITY: 'ORDINALITY'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.VAR: 'VAR'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.BIT: 'BIT'>, <TokenType.TOP: 'TOP'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.COMMENT: 'COMMENT'>, <TokenType.ESCAPE: 'ESCAPE'>, <TokenType.NEXT: 'NEXT'>, <TokenType.RANGE: 'RANGE'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.LOAD: 'LOAD'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.XML: 'XML'>, <TokenType.OVERWRITE: 'OVERWRITE'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.SETTINGS: 'SETTINGS'>, <TokenType.IPV4: 'IPV4'>, <TokenType.PRAGMA: 'PRAGMA'>, <TokenType.CACHE: 'CACHE'>, <TokenType.BINARY: 'BINARY'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.STREAMLIT: 'STREAMLIT'>, <TokenType.UINT128: 'UINT128'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.FILTER: 'FILTER'>, <TokenType.DICTIONARY: 'DICTIONARY'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.MODEL: 'MODEL'>, <TokenType.SET: 'SET'>, <TokenType.TEXT: 'TEXT'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.RECURSIVE: 'RECURSIVE'>, <TokenType.PROCEDURE: 'PROCEDURE'>, <TokenType.OPERATOR: 'OPERATOR'>, <TokenType.MAP: 'MAP'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.ANTI: 'ANTI'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.YEAR: 'YEAR'>, <TokenType.SHOW: 'SHOW'>, <TokenType.UNPIVOT: 'UNPIVOT'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.FALSE: 'FALSE'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.RENAME: 'RENAME'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.SUPER: 'SUPER'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.END: 'END'>, <TokenType.IPV6: 'IPV6'>, <TokenType.TEMPORARY: 'TEMPORARY'>, <TokenType.OVERLAPS: 'OVERLAPS'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.CASE: 'CASE'>, <TokenType.INDEX: 'INDEX'>, <TokenType.TABLE: 'TABLE'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.MERGE: 'MERGE'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.INT128: 'INT128'>, <TokenType.NULL: 'NULL'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.SOME: 'SOME'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.VIEW: 'VIEW'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.NAME: 'NAME'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.DEFAULT: 'DEFAULT'>, <TokenType.PERCENT: 'PERCENT'>, <TokenType.DATE32: 'DATE32'>, <TokenType.DATE: 'DATE'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.NESTED: 'NESTED'>, <TokenType.FUNCTION: 'FUNCTION'>, <TokenType.DELETE: 'DELETE'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.ROLLUP: 'ROLLUP'>, <TokenType.ENUM: 'ENUM'>, <TokenType.MONEY: 'MONEY'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.TAG: 'TAG'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.INET: 'INET'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.ASC: 'ASC'>, <TokenType.CONSTRAINT: 'CONSTRAINT'>}
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'>>, 'APPLY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Apply'>>, 'APPROX_DISTINCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxDistinct'>>, 'APPROX_COUNT_DISTINCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxDistinct'>>, 'APPROX_QUANTILE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxQuantile'>>, 'APPROX_TOP_K': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxTopK'>>, 'ARG_MAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'ARGMAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'MAX_BY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'ARG_MIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'ARGMIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'MIN_BY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'ARRAY': <function Parser.<lambda>>, 'ARRAY_AGG': <function Parser.<lambda>>, 'ARRAY_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAll'>>, 'ARRAY_ANY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAny'>>, 'ARRAY_CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CONSTRUCT_COMPACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConstructCompact'>>, 'ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContains'>>, 'ARRAY_HAS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContains'>>, 'ARRAY_CONTAINS_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContainsAll'>>, 'ARRAY_HAS_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContainsAll'>>, 'FILTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayFilter'>>, 'ARRAY_FILTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayFilter'>>, 'ARRAY_OVERLAPS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayOverlaps'>>, 'ARRAY_SIZE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySize'>>, 'ARRAY_LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySize'>>, 'ARRAY_SORT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySort'>>, 'ARRAY_SUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySum'>>, 'ARRAY_TO_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayToString'>>, 'ARRAY_JOIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayToString'>>, 'ARRAY_UNION_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayUnionAgg'>>, 'ARRAY_UNIQUE_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayUniqueAgg'>>, 'AVG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Avg'>>, 'CASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Case'>>, 'CAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Cast'>>, 'CAST_TO_STR_TYPE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CastToStrType'>>, 'CBRT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Cbrt'>>, 'CEIL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ceil'>>, 'CEILING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ceil'>>, 'CHR': <function Parser.<lambda>>, 'CHAR': <function Parser.<lambda>>, 'COALESCE': <function build_coalesce>, 'IFNULL': <function build_coalesce>, 'NVL': <function build_coalesce>, 'COLLATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Collate'>>, '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'>>, 'SUBSTR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Substring'>>, 'SUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sum'>>, 'TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Time'>>, 'TIME_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeAdd'>>, 'TIME_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeDiff'>>, 'TIME_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'TIMEFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'TIME_STR_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToDate'>>, 'TIME_STR_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToTime'>>, 'TIME_STR_TO_UNIX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToUnix'>>, 'TIME_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeSub'>>, 'TIME_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeToStr'>>, 'TIME_TO_TIME_STR': <function Parser.<lambda>>, 'TIME_TO_UNIX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeToUnix'>>, 'TIME_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeTrunc'>>, 'TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Timestamp'>>, 'TIMESTAMP_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampAdd'>>, 'TIMESTAMPDIFF': <function build_date_delta.<locals>._builder>, 'TIMESTAMP_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampDiff'>>, 'TIMESTAMP_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampFromParts'>>, 'TIMESTAMPFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampFromParts'>>, 'TIMESTAMP_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampSub'>>, 'TIMESTAMP_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampTrunc'>>, 'TO_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToArray'>>, 'TO_BASE64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToBase64'>>, 'TO_CHAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToChar'>>, 'TO_DAYS': <function MySQL.Parser.<lambda>>, 'TO_MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToMap'>>, 'TO_NUMBER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToNumber'>>, 'TRANSFORM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Transform'>>, 'TRIM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Trim'>>, 'TRY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Try'>>, 'TRY_CAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TryCast'>>, 'TS_OR_DI_TO_DI': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDiToDi'>>, 'TS_OR_DS_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsAdd'>>, 'TS_OR_DS_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsDiff'>>, 'TS_OR_DS_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToDate'>>, 'TS_OR_DS_TO_DATE_STR': <function Parser.<lambda>>, 'TS_OR_DS_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToTime'>>, 'TS_OR_DS_TO_TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToTimestamp'>>, 'UNHEX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Unhex'>>, 'UNIX_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixDate'>>, 'UNIX_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToStr'>>, 'UNIX_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToTime'>>, 'UNIX_TO_TIME_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToTimeStr'>>, 'UNNEST': <function Parser.<lambda>>, '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.GRANT: 'GRANT'>: <function Parser.<lambda>>, <TokenType.INSERT: 'INSERT'>: <function Parser.<lambda>>, <TokenType.KILL: 'KILL'>: <function Parser.<lambda>>, <TokenType.LOAD: 'LOAD'>: <function Parser.<lambda>>, <TokenType.MERGE: 'MERGE'>: <function Parser.<lambda>>, <TokenType.PIVOT: 'PIVOT'>: <function Parser.<lambda>>, <TokenType.PRAGMA: 'PRAGMA'>: <function Parser.<lambda>>, <TokenType.REFRESH: 'REFRESH'>: <function Parser.<lambda>>, <TokenType.ROLLBACK: 'ROLLBACK'>: <function Parser.<lambda>>, <TokenType.SET: 'SET'>: <function Parser.<lambda>>, <TokenType.TRUNCATE: 'TRUNCATE'>: <function Parser.<lambda>>, <TokenType.UNCACHE: 'UNCACHE'>: <function Parser.<lambda>>, <TokenType.UPDATE: 'UPDATE'>: <function Parser.<lambda>>, <TokenType.USE: 'USE'>: <function Parser.<lambda>>, <TokenType.SEMICOLON: 'SEMICOLON'>: <function Parser.<lambda>>, <TokenType.SHOW: 'SHOW'>: <function MySQL.Parser.<lambda>>}
SHOW_PARSERS = {'BINARY LOGS': <function _show_parser.<locals>._parse>, 'MASTER LOGS': <function _show_parser.<locals>._parse>, 'BINLOG EVENTS': <function _show_parser.<locals>._parse>, 'CHARACTER SET': <function _show_parser.<locals>._parse>, 'CHARSET': <function _show_parser.<locals>._parse>, 'COLLATION': <function _show_parser.<locals>._parse>, 'FULL COLUMNS': <function _show_parser.<locals>._parse>, 'COLUMNS': <function _show_parser.<locals>._parse>, 'CREATE DATABASE': <function _show_parser.<locals>._parse>, 'CREATE EVENT': <function _show_parser.<locals>._parse>, 'CREATE FUNCTION': <function _show_parser.<locals>._parse>, 'CREATE PROCEDURE': <function _show_parser.<locals>._parse>, 'CREATE TABLE': <function _show_parser.<locals>._parse>, 'CREATE TRIGGER': <function _show_parser.<locals>._parse>, 'CREATE VIEW': <function _show_parser.<locals>._parse>, 'DATABASES': <function _show_parser.<locals>._parse>, 'SCHEMAS': <function _show_parser.<locals>._parse>, 'ENGINE': <function _show_parser.<locals>._parse>, 'STORAGE ENGINES': <function _show_parser.<locals>._parse>, 'ENGINES': <function _show_parser.<locals>._parse>, 'ERRORS': <function _show_parser.<locals>._parse>, 'EVENTS': <function _show_parser.<locals>._parse>, 'FUNCTION CODE': <function _show_parser.<locals>._parse>, 'FUNCTION STATUS': <function _show_parser.<locals>._parse>, 'GRANTS': <function _show_parser.<locals>._parse>, 'INDEX': <function _show_parser.<locals>._parse>, 'MASTER STATUS': <function _show_parser.<locals>._parse>, 'OPEN TABLES': <function _show_parser.<locals>._parse>, 'PLUGINS': <function _show_parser.<locals>._parse>, 'PROCEDURE CODE': <function _show_parser.<locals>._parse>, 'PROCEDURE STATUS': <function _show_parser.<locals>._parse>, 'PRIVILEGES': <function _show_parser.<locals>._parse>, 'FULL PROCESSLIST': <function _show_parser.<locals>._parse>, 'PROCESSLIST': <function _show_parser.<locals>._parse>, 'PROFILE': <function _show_parser.<locals>._parse>, 'PROFILES': <function _show_parser.<locals>._parse>, 'RELAYLOG EVENTS': <function _show_parser.<locals>._parse>, 'REPLICAS': <function _show_parser.<locals>._parse>, 'SLAVE HOSTS': <function _show_parser.<locals>._parse>, 'REPLICA STATUS': <function _show_parser.<locals>._parse>, 'SLAVE STATUS': <function _show_parser.<locals>._parse>, 'GLOBAL STATUS': <function _show_parser.<locals>._parse>, 'SESSION STATUS': <function _show_parser.<locals>._parse>, 'STATUS': <function _show_parser.<locals>._parse>, 'TABLE STATUS': <function _show_parser.<locals>._parse>, 'FULL TABLES': <function _show_parser.<locals>._parse>, 'TABLES': <function _show_parser.<locals>._parse>, 'TRIGGERS': <function _show_parser.<locals>._parse>, 'GLOBAL VARIABLES': <function _show_parser.<locals>._parse>, 'SESSION VARIABLES': <function _show_parser.<locals>._parse>, 'VARIABLES': <function _show_parser.<locals>._parse>, 'WARNINGS': <function _show_parser.<locals>._parse>}
PROPERTY_PARSERS = {'ALLOWED_VALUES': <function Parser.<lambda>>, 'ALGORITHM': <function Parser.<lambda>>, 'AUTO': <function Parser.<lambda>>, 'AUTO_INCREMENT': <function Parser.<lambda>>, 'BACKUP': <function Parser.<lambda>>, 'BLOCKCOMPRESSION': <function Parser.<lambda>>, 'CHARSET': <function Parser.<lambda>>, 'CHARACTER SET': <function Parser.<lambda>>, 'CHECKSUM': <function Parser.<lambda>>, 'CLUSTER BY': <function Parser.<lambda>>, 'CLUSTERED': <function Parser.<lambda>>, 'COLLATE': <function Parser.<lambda>>, 'COMMENT': <function Parser.<lambda>>, 'CONTAINS': <function Parser.<lambda>>, 'COPY': <function Parser.<lambda>>, 'DATABLOCKSIZE': <function Parser.<lambda>>, 'DATA_DELETION': <function Parser.<lambda>>, 'DEFINER': <function Parser.<lambda>>, 'DETERMINISTIC': <function Parser.<lambda>>, 'DISTRIBUTED': <function Parser.<lambda>>, 'DUPLICATE': <function Parser.<lambda>>, 'DYNAMIC': <function Parser.<lambda>>, 'DISTKEY': <function Parser.<lambda>>, 'DISTSTYLE': <function Parser.<lambda>>, 'EMPTY': <function Parser.<lambda>>, 'ENGINE': <function Parser.<lambda>>, 'EXECUTE': <function Parser.<lambda>>, 'EXTERNAL': <function Parser.<lambda>>, 'FALLBACK': <function Parser.<lambda>>, 'FORMAT': <function Parser.<lambda>>, 'FREESPACE': <function Parser.<lambda>>, 'GLOBAL': <function Parser.<lambda>>, 'HEAP': <function Parser.<lambda>>, 'ICEBERG': <function Parser.<lambda>>, 'IMMUTABLE': <function Parser.<lambda>>, 'INHERITS': <function Parser.<lambda>>, 'INPUT': <function Parser.<lambda>>, 'JOURNAL': <function Parser.<lambda>>, 'LANGUAGE': <function Parser.<lambda>>, 'LAYOUT': <function Parser.<lambda>>, 'LIFETIME': <function Parser.<lambda>>, 'LIKE': <function Parser.<lambda>>, 'LOCATION': <function Parser.<lambda>>, 'LOCK': <function MySQL.Parser.<lambda>>, 'LOCKING': <function Parser.<lambda>>, 'LOG': <function Parser.<lambda>>, 'MATERIALIZED': <function Parser.<lambda>>, 'MERGEBLOCKRATIO': <function Parser.<lambda>>, 'MODIFIES': <function Parser.<lambda>>, 'MULTISET': <function Parser.<lambda>>, 'NO': <function Parser.<lambda>>, 'ON': <function Parser.<lambda>>, 'ORDER BY': <function Parser.<lambda>>, 'OUTPUT': <function Parser.<lambda>>, 'PARTITION': <function Parser.<lambda>>, 'PARTITION BY': <function Parser.<lambda>>, 'PARTITIONED BY': <function Parser.<lambda>>, 'PARTITIONED_BY': <function Parser.<lambda>>, 'PRIMARY KEY': <function Parser.<lambda>>, 'RANGE': <function Parser.<lambda>>, 'READS': <function Parser.<lambda>>, 'REMOTE': <function Parser.<lambda>>, 'RETURNS': <function Parser.<lambda>>, 'STRICT': <function Parser.<lambda>>, 'STREAMING': <function Parser.<lambda>>, 'ROW': <function Parser.<lambda>>, 'ROW_FORMAT': <function Parser.<lambda>>, 'SAMPLE': <function Parser.<lambda>>, 'SECURE': <function Parser.<lambda>>, 'SECURITY': <function Parser.<lambda>>, 'SET': <function Parser.<lambda>>, 'SETTINGS': <function Parser.<lambda>>, 'SHARING': <function Parser.<lambda>>, 'SORTKEY': <function Parser.<lambda>>, 'SOURCE': <function Parser.<lambda>>, 'STABLE': <function Parser.<lambda>>, 'STORED': <function Parser.<lambda>>, 'SYSTEM_VERSIONING': <function Parser.<lambda>>, 'TBLPROPERTIES': <function Parser.<lambda>>, 'TEMP': <function Parser.<lambda>>, 'TEMPORARY': <function Parser.<lambda>>, 'TO': <function Parser.<lambda>>, 'TRANSIENT': <function Parser.<lambda>>, 'TRANSFORM': <function Parser.<lambda>>, 'TTL': <function Parser.<lambda>>, 'USING': <function Parser.<lambda>>, 'UNLOGGED': <function Parser.<lambda>>, 'VOLATILE': <function Parser.<lambda>>, 'WITH': <function Parser.<lambda>>}
SET_PARSERS = {'GLOBAL': <function Parser.<lambda>>, 'LOCAL': <function Parser.<lambda>>, 'SESSION': <function Parser.<lambda>>, 'TRANSACTION': <function Parser.<lambda>>, 'PERSIST': <function MySQL.Parser.<lambda>>, 'PERSIST_ONLY': <function MySQL.Parser.<lambda>>, 'CHARACTER SET': <function MySQL.Parser.<lambda>>, 'CHARSET': <function MySQL.Parser.<lambda>>, 'NAMES': <function MySQL.Parser.<lambda>>}
CONSTRAINT_PARSERS = {'AUTOINCREMENT': <function Parser.<lambda>>, 'AUTO_INCREMENT': <function Parser.<lambda>>, 'CASESPECIFIC': <function Parser.<lambda>>, 'CHARACTER SET': <function Parser.<lambda>>, 'CHECK': <function Parser.<lambda>>, 'COLLATE': <function Parser.<lambda>>, 'COMMENT': <function Parser.<lambda>>, 'COMPRESS': <function Parser.<lambda>>, 'CLUSTERED': <function Parser.<lambda>>, 'NONCLUSTERED': <function Parser.<lambda>>, 'DEFAULT': <function Parser.<lambda>>, 'ENCODE': <function Parser.<lambda>>, 'EPHEMERAL': <function Parser.<lambda>>, 'EXCLUDE': <function Parser.<lambda>>, 'FOREIGN KEY': <function Parser.<lambda>>, 'FORMAT': <function Parser.<lambda>>, 'GENERATED': <function Parser.<lambda>>, 'IDENTITY': <function Parser.<lambda>>, 'INLINE': <function Parser.<lambda>>, 'LIKE': <function Parser.<lambda>>, 'NOT': <function Parser.<lambda>>, 'NULL': <function Parser.<lambda>>, 'ON': <function Parser.<lambda>>, 'PATH': <function Parser.<lambda>>, 'PERIOD': <function Parser.<lambda>>, 'PRIMARY KEY': <function Parser.<lambda>>, 'REFERENCES': <function Parser.<lambda>>, 'TITLE': <function Parser.<lambda>>, 'TTL': <function Parser.<lambda>>, 'UNIQUE': <function Parser.<lambda>>, 'UPPERCASE': <function Parser.<lambda>>, 'WITH': <function Parser.<lambda>>, 'FULLTEXT': <function MySQL.Parser.<lambda>>, 'INDEX': <function MySQL.Parser.<lambda>>, 'KEY': <function MySQL.Parser.<lambda>>, 'SPATIAL': <function MySQL.Parser.<lambda>>}
ALTER_PARSERS = {'ADD': <function Parser.<lambda>>, 'ALTER': <function Parser.<lambda>>, 'CLUSTER BY': <function Parser.<lambda>>, 'DELETE': <function Parser.<lambda>>, 'DROP': <function Parser.<lambda>>, 'RENAME': <function Parser.<lambda>>, 'SET': <function Parser.<lambda>>, 'AS': <function Parser.<lambda>>, 'MODIFY': <function MySQL.Parser.<lambda>>}
SCHEMA_UNNAMED_CONSTRAINTS = {'CHECK', 'INDEX', 'PRIMARY KEY', 'UNIQUE', 'FULLTEXT', 'SPATIAL', 'KEY', 'PERIOD', 'LIKE', 'FOREIGN KEY', 'EXCLUDE'}
PROFILE_TYPES: Dict[str, Sequence[Union[Sequence[str], str]]] = {'ALL': (), 'CPU': (), 'IPC': (), 'MEMORY': (), 'SOURCE': (), 'SWAPS': (), 'BLOCK': ('IO',), 'CONTEXT': ('SWITCHES',), 'PAGE': ('FAULTS',)}
TYPE_TOKENS = {<TokenType.XML: 'XML'>, <TokenType.DECIMAL128: 'DECIMAL128'>, <TokenType.UINT: 'UINT'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.IPV4: 'IPV4'>, <TokenType.BINARY: 'BINARY'>, <TokenType.LIST: 'LIST'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.UINT128: 'UINT128'>, <TokenType.UNION: 'UNION'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.SET: 'SET'>, <TokenType.TEXT: 'TEXT'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.MAP: 'MAP'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.CHAR: 'CHAR'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.YEAR: 'YEAR'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.JSONB: 'JSONB'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.SUPER: 'SUPER'>, <TokenType.IPV6: 'IPV6'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.INT128: 'INT128'>, <TokenType.NULL: 'NULL'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.INT256: 'INT256'>, <TokenType.JSON: 'JSON'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.DECIMAL64: 'DECIMAL64'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.UINT256: 'UINT256'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.UUID: 'UUID'>, <TokenType.VECTOR: 'VECTOR'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.NAME: 'NAME'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.DECIMAL32: 'DECIMAL32'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.TIME: 'TIME'>, <TokenType.DATE32: 'DATE32'>, <TokenType.INT: 'INT'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.DATE: 'DATE'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.NESTED: 'NESTED'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.ENUM: 'ENUM'>, <TokenType.MONEY: 'MONEY'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.BIT: 'BIT'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.INET: 'INET'>, <TokenType.RANGE: 'RANGE'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.ENUM8: 'ENUM8'>}
ENUM_TYPE_TOKENS = {<TokenType.ENUM: 'ENUM'>, <TokenType.SET: 'SET'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.ENUM8: 'ENUM8'>}
LOG_DEFAULTS_TO_LN = True
STRING_ALIASES = True
VALUES_FOLLOWED_BY_PAREN = False
SUPPORTS_PARTITION_SELECTION = True
SHOW_TRIE: Dict = {'BINARY': {'LOGS': {0: True}}, 'MASTER': {'LOGS': {0: True}, 'STATUS': {0: True}}, 'BINLOG': {'EVENTS': {0: True}}, 'CHARACTER': {'SET': {0: True}}, 'CHARSET': {0: True}, 'COLLATION': {0: True}, 'FULL': {'COLUMNS': {0: True}, 'PROCESSLIST': {0: True}, 'TABLES': {0: True}}, 'COLUMNS': {0: True}, 'CREATE': {'DATABASE': {0: True}, 'EVENT': {0: True}, 'FUNCTION': {0: True}, 'PROCEDURE': {0: True}, 'TABLE': {0: True}, 'TRIGGER': {0: True}, 'VIEW': {0: True}}, 'DATABASES': {0: True}, 'SCHEMAS': {0: True}, 'ENGINE': {0: True}, 'STORAGE': {'ENGINES': {0: True}}, 'ENGINES': {0: True}, 'ERRORS': {0: True}, 'EVENTS': {0: True}, 'FUNCTION': {'CODE': {0: True}, 'STATUS': {0: True}}, 'GRANTS': {0: True}, 'INDEX': {0: True}, 'OPEN': {'TABLES': {0: True}}, 'PLUGINS': {0: True}, 'PROCEDURE': {'CODE': {0: True}, 'STATUS': {0: True}}, 'PRIVILEGES': {0: True}, 'PROCESSLIST': {0: True}, 'PROFILE': {0: True}, 'PROFILES': {0: True}, 'RELAYLOG': {'EVENTS': {0: True}}, 'REPLICAS': {0: True}, 'SLAVE': {'HOSTS': {0: True}, 'STATUS': {0: True}}, 'REPLICA': {'STATUS': {0: True}}, 'GLOBAL': {'STATUS': {0: True}, 'VARIABLES': {0: True}}, 'SESSION': {'STATUS': {0: True}, 'VARIABLES': {0: True}}, 'STATUS': {0: True}, 'TABLE': {'STATUS': {0: True}}, 'TABLES': {0: True}, 'TRIGGERS': {0: True}, 'VARIABLES': {0: True}, 'WARNINGS': {0: True}}
SET_TRIE: Dict = {'GLOBAL': {0: True}, 'LOCAL': {0: True}, 'SESSION': {0: True}, 'TRANSACTION': {0: True}, 'PERSIST': {0: True}, 'PERSIST_ONLY': {0: True}, 'CHARACTER': {'SET': {0: True}}, 'CHARSET': {0: True}, 'NAMES': {0: True}}

##### Inherited Members

sqlglot.parser.Parser
  Parser
  NO_PAREN_FUNCTIONS
  STRUCT_TYPE_TOKENS
  NESTED_TYPE_TOKENS
  AGGREGATE_TYPE_TOKENS
  SIGNED_TO_UNSIGNED_TYPE_TOKEN
  SUBQUERY_PREDICATES
  RESERVED_TOKENS
  DB_CREATABLES
  CREATABLES
  ALTERABLES
  ID_VAR_TOKENS
  INTERVAL_VARS
  ALIAS_TOKENS
  ARRAY_CONSTRUCTORS
  COMMENT_TABLE_ALIAS_TOKENS
  UPDATE_ALIAS_TOKENS
  TRIM_TYPES
  ASSIGNMENT
  EQUALITY
  COMPARISON
  BITWISE
  TERM
  FACTOR
  EXPONENT
  TIMES
  TIMESTAMPS
  SET_OPERATIONS
  JOIN_METHODS
  JOIN_SIDES
  JOIN_KINDS
  JOIN_HINTS
  LAMBDAS
  COLUMN_OPERATORS
  EXPRESSION_PARSERS
  UNARY_PARSERS
  STRING_PARSERS
  NUMERIC_PARSERS
  PRIMARY_PARSERS
  PLACEHOLDER_PARSERS
  ALTER_ALTER_PARSERS
  NO_PAREN_FUNCTION_PARSERS
  INVALID_FUNC_NAME_TOKENS
  FUNCTIONS_WITH_ALIASED_ARGS
  KEY_VALUE_DEFINITIONS
  QUERY_MODIFIER_PARSERS
  TYPE_LITERAL_PARSERS
  TYPE_CONVERTERS
  DDL_SELECT_TOKENS
  PRE_VOLATILE_TOKENS
  TRANSACTION_KIND
  TRANSACTION_CHARACTERISTICS
  CONFLICT_ACTIONS
  CREATE_SEQUENCE
  ISOLATED_LOADING_OPTIONS
  USABLES
  CAST_ACTIONS
  SCHEMA_BINDING_OPTIONS
  KEY_CONSTRAINT_OPTIONS
  INSERT_ALTERNATIVES
  CLONE_KEYWORDS
  HISTORICAL_DATA_PREFIX
  HISTORICAL_DATA_KIND
  OPCLASS_FOLLOW_KEYWORDS
  OPTYPE_FOLLOW_TOKENS
  TABLE_INDEX_HINT_TOKENS
  VIEW_ATTRIBUTES
  WINDOW_ALIAS_TOKENS
  WINDOW_BEFORE_PAREN_TOKENS
  WINDOW_SIDES
  JSON_KEY_VALUE_SEPARATOR_TOKENS
  FETCH_TOKENS
  ADD_CONSTRAINT_TOKENS
  DISTINCT_TOKENS
  NULL_TOKENS
  UNNEST_OFFSET_ALIAS_TOKENS
  SELECT_START_TOKENS
  COPY_INTO_VARLEN_OPTIONS
  IS_JSON_PREDICATE_KIND
  ODBC_DATETIME_LITERALS
  ON_CONDITION_TOKENS
  PRIVILEGE_FOLLOW_TOKENS
  STRICT_CAST
  PREFIXED_PIVOT_COLUMNS
  IDENTIFY_PIVOT_STRINGS
  ALTER_TABLE_ADD_REQUIRED_FOR_EACH_COLUMN
  TABLESAMPLE_CSV
  DEFAULT_SAMPLING_METHOD
  SET_REQUIRES_ASSIGNMENT_DELIMITER
  TRIM_PATTERN_FIRST
  MODIFIERS_ATTACHED_TO_SET_OP
  SET_OP_MODIFIERS
  NO_PAREN_IF_COMMANDS
  JSON_ARROWS_REQUIRE_JSON_TYPE
  COLON_IS_VARIANT_EXTRACT
  SUPPORTS_IMPLICIT_UNNEST
  INTERVAL_SPANS
  error_level
  error_message_context
  max_errors
  dialect
  reset
  parse
  parse_into
  check_errors
  raise_error
  expression
  validate_expression
  errors
  sql

class MySQL.Generator(sqlglot.generator.Generator): View Source

     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 = {'generated', 'mediumtext', 'longblob', 'signal', 'to', 'low_priority', 'percent_rank', 'specific', 'create', 'out', 'continue', 'resignal', 'not', 'day_second', 'outer', 'trigger', 'virtual', 'zerofill', 'asensitive', 'window', 'trailing', 'release', 'add', 'optimize', 'drop', 'key', 'when', 'revoke', 'ssl', 'table', 'usage', 'varbinary', 'and', 'cross', 'rename', 'row_number', 'infile', 'ignore', 'partition', 'float4', 'int', 'varcharacter', 'numeric', 'write', 'force', 'smallint', 'maxvalue', 'master_bind', 'declare', 'stored', 'option', 'then', 'decimal', 'leading', 'spatial', 'each', 'current_date', 'keys', 'delete', 'empty', 'rank', 'groups', 'function', 'foreign', 'int1', 'io_before_gtids', 'escaped', 'collate', 'recursive', 'read', 'int4', 'io_after_gtids', 'condition', 'select', 'values', 'by', 'cursor', 'references', 'lateral', 'exit', 'grant', 'for', 'longtext', 'match', 'all', 'hour_microsecond', 'sqlwarning', 'utc_time', 'middleint', 'grouping', 'in', 'blob', 'if', 'replace', 'varying', 'cube', 'else', 'lead', 'right', 'or', 'high_priority', 'restrict', 'case', 'no_write_to_binlog', 'year_month', 'mediumint', 'change', 'union', 'schema', 'distinctrow', 'deterministic', 'current_timestamp', 'mod', 'primary', 'cume_dist', 'describe', 'localtimestamp', 'float', 'distinct', 'delayed', 'order', 'lag', 'show', 'character', 'intersect', 'long', 'join', 'precision', 'elseif', 'as', 'sql_small_result', 'varchar', 'system', 'dual', 'read_write', 'linear', 'day_microsecond', 'except', 'limit', 'rlike', 'hour_second', 'loop', 'insensitive', 'sqlexception', 'bigint', 'unlock', 'int3', 'set', 'databases', 'call', 'real', 'check', 'fulltext', 'row', 'xor', 'int2', 'desc', 'sqlstate', 'second_microsecond', 'unique', 'minute_second', 'alter', 'day_hour', 'explain', 'both', 'asc', 'exists', 'json_table', 'between', 'ntile', 'procedure', 'while', 'tinyint', 'where', 'current_time', 'interval', 'accessible', 'master_ssl_verify_server_cert', 'of', 'char', 'leave', 'hour_minute', 'current_user', 'insert', 'group', 'nth_value', 'inout', 'enclosed', 'into', 'cascade', 'natural', 'optimizer_costs', 'rows', 'false', 'constraint', 'unsigned', 'left', 'int8', 'using', 'kill', 'purge', 'sql', 'day_minute', 'convert', 'minute_microsecond', 'double', 'index', 'use', 'utc_timestamp', 'dec', 'float8', 'tinytext', 'get', 'range', 'tinyblob', 'database', 'like', 'over', 'lines', 'last_value', 'integer', 'iterate', 'from', 'analyze', 'terminated', 'update', 'mediumblob', 'first_value', 'straight_join', 'null', 'outfile', 'having', 'utc_date', 'load', 'true', 'optionally', 'lock', 'regexp', 'repeat', 'column', 'modifies', 'dense_rank', 'return', 'fetch', 'with', 'before', 'inner', 'starting', 'sensitive', 'schemas', 'separator', 'require', 'is', 'default', 'binary', 'sql_calc_found_rows', 'sql_big_result', 'undo', 'localtime', 'div', 'on', 'reads'}
def array_sql(self, expression: sqlglot.expressions.Array) -> str: View Source

    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: View Source

    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: View Source

    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: View Source

    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: View Source

    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: View Source

    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: View Source

    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: View Source

    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: View Source

    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: View Source

    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: View Source

    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: View Source

    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: View Source

    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
  pretty
  identify
  normalize
  pad
  unsupported_level
  max_unsupported
  leading_comma
  max_text_width
  comments
  dialect
  normalize_functions
  unsupported_messages
  generate
  preprocess
  unsupported
  sep
  seg
  pad_comment
  maybe_comment
  wrap
  no_identify
  normalize_func
  indent
  sql
  uncache_sql
  cache_sql
  characterset_sql
  column_parts
  column_sql
  columnposition_sql
  columndef_sql
  columnconstraint_sql
  computedcolumnconstraint_sql
  autoincrementcolumnconstraint_sql
  compresscolumnconstraint_sql
  generatedasidentitycolumnconstraint_sql
  generatedasrowcolumnconstraint_sql
  periodforsystemtimeconstraint_sql
  notnullcolumnconstraint_sql
  transformcolumnconstraint_sql
  primarykeycolumnconstraint_sql
  uniquecolumnconstraint_sql
  createable_sql
  create_sql
  sequenceproperties_sql
  clone_sql
  describe_sql
  heredoc_sql
  prepend_ctes
  with_sql
  cte_sql
  tablealias_sql
  bitstring_sql
  hexstring_sql
  bytestring_sql
  unicodestring_sql
  rawstring_sql
  datatypeparam_sql
  directory_sql
  delete_sql
  drop_sql
  set_operation
  set_operations
  fetch_sql
  filter_sql
  hint_sql
  indexparameters_sql
  index_sql
  identifier_sql
  hex_sql
  lowerhex_sql
  inputoutputformat_sql
  national_sql
  partition_sql
  properties_sql
  root_properties
  properties
  with_properties
  locate_properties
  property_name
  property_sql
  likeproperty_sql
  fallbackproperty_sql
  journalproperty_sql
  freespaceproperty_sql
  checksumproperty_sql
  mergeblockratioproperty_sql
  datablocksizeproperty_sql
  blockcompressionproperty_sql
  isolatedloadingproperty_sql
  partitionboundspec_sql
  partitionedofproperty_sql
  lockingproperty_sql
  withdataproperty_sql
  withsystemversioningproperty_sql
  insert_sql
  introducer_sql
  kill_sql
  pseudotype_sql
  objectidentifier_sql
  onconflict_sql
  returning_sql
  rowformatdelimitedproperty_sql
  withtablehint_sql
  indextablehint_sql
  historicaldata_sql
  table_parts
  table_sql
  tablesample_sql
  pivot_sql
  version_sql
  tuple_sql
  update_sql
  values_sql
  var_sql
  into_sql
  from_sql
  groupingsets_sql
  rollup_sql
  cube_sql
  group_sql
  having_sql
  connect_sql
  prior_sql
  join_sql
  lambda_sql
  lateral_op
  lateral_sql
  limit_sql
  offset_sql
  setitem_sql
  set_sql
  pragma_sql
  lock_sql
  literal_sql
  escape_str
  loaddata_sql
  null_sql
  boolean_sql
  order_sql
  withfill_sql
  cluster_sql
  distribute_sql
  sort_sql
  ordered_sql
  matchrecognizemeasure_sql
  matchrecognize_sql
  query_modifiers
  options_modifier
  queryoption_sql
  offset_limit_modifiers
  after_limit_modifiers
  select_sql
  schema_sql
  schema_columns_sql
  star_sql
  parameter_sql
  sessionparameter_sql
  placeholder_sql
  subquery_sql
  qualify_sql
  unnest_sql
  prewhere_sql
  where_sql
  window_sql
  partition_by_sql
  windowspec_sql
  withingroup_sql
  between_sql
  bracket_offset_expressions
  bracket_sql
  all_sql
  any_sql
  exists_sql
  case_sql
  constraint_sql
  nextvaluefor_sql
  trim_sql
  convert_concat_args
  concat_sql
  concatws_sql
  check_sql
  foreignkey_sql
  primarykey_sql
  if_sql
  matchagainst_sql
  jsonkeyvalue_sql
  jsonpath_sql
  json_path_part
  formatjson_sql
  jsonobject_sql
  jsonobjectagg_sql
  jsonarray_sql
  jsonarrayagg_sql
  jsoncolumndef_sql
  jsonschema_sql
  jsontable_sql
  openjsoncolumndef_sql
  openjson_sql
  in_sql
  in_unnest_op
  interval_sql
  return_sql
  reference_sql
  anonymous_sql
  paren_sql
  neg_sql
  not_sql
  alias_sql
  pivotalias_sql
  aliases_sql
  atindex_sql
  fromtimezone_sql
  add_sql
  and_sql
  or_sql
  xor_sql
  connector_sql
  bitwiseand_sql
  bitwiseleftshift_sql
  bitwisenot_sql
  bitwiseor_sql
  bitwiserightshift_sql
  bitwisexor_sql
  currentdate_sql
  collate_sql
  command_sql
  comment_sql
  mergetreettlaction_sql
  mergetreettl_sql
  transaction_sql
  commit_sql
  rollback_sql
  alterdiststyle_sql
  altersortkey_sql
  renametable_sql
  renamecolumn_sql
  alterset_sql
  alter_sql
  add_column_sql
  droppartition_sql
  addconstraint_sql
  distinct_sql
  ignorenulls_sql
  respectnulls_sql
  havingmax_sql
  intdiv_sql
  div_sql
  overlaps_sql
  distance_sql
  dot_sql
  eq_sql
  propertyeq_sql
  escape_sql
  glob_sql
  gt_sql
  gte_sql
  ilike_sql
  ilikeany_sql
  is_sql
  like_sql
  likeany_sql
  similarto_sql
  lt_sql
  lte_sql
  mod_sql
  mul_sql
  neq_sql
  nullsafeeq_sql
  nullsafeneq_sql
  slice_sql
  sub_sql
  trycast_sql
  try_sql
  log_sql
  use_sql
  binary
  function_fallback_sql
  func
  format_args
  too_wide
  format_time
  expressions
  op_expressions
  naked_property
  tag_sql
  token_sql
  userdefinedfunction_sql
  joinhint_sql
  kwarg_sql
  when_sql
  merge_sql
  tochar_sql
  tonumber_sql
  dictproperty_sql
  dictrange_sql
  dictsubproperty_sql
  duplicatekeyproperty_sql
  distributedbyproperty_sql
  oncluster_sql
  clusteredbyproperty_sql
  anyvalue_sql
  querytransform_sql
  indexconstraintoption_sql
  checkcolumnconstraint_sql
  indexcolumnconstraint_sql
  nvl2_sql
  comprehension_sql
  columnprefix_sql
  opclass_sql
  predict_sql
  forin_sql
  refresh_sql
  toarray_sql
  tsordstotime_sql
  tsordstotimestamp_sql
  tsordstodate_sql
  unixdate_sql
  lastday_sql
  dateadd_sql
  arrayany_sql
  struct_sql
  partitionrange_sql
  truncatetable_sql
  convert_sql
  copyparameter_sql
  credentials_sql
  copy_sql
  semicolon_sql
  datadeletionproperty_sql
  maskingpolicycolumnconstraint_sql
  gapfill_sql
  scope_resolution
  scoperesolution_sql
  parsejson_sql
  rand_sql
  changes_sql
  pad_sql
  summarize_sql
  explodinggenerateseries_sql
  arrayconcat_sql
  json_sql
  jsonvalue_sql
  conditionalinsert_sql
  multitableinserts_sql
  oncondition_sql
  jsonexists_sql
  arrayagg_sql
  apply_sql
  grant_sql
  grantprivilege_sql
  grantprincipal_sql