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

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

    128def date_add_sql(
    129    kind: str,
    130) -> t.Callable[[generator.Generator, exp.Expression], str]:
    131    def func(self: generator.Generator, expression: exp.Expression) -> str:
    132        return self.func(
    133            f"DATE_{kind}",
    134            expression.this,
    135            exp.Interval(this=expression.expression, unit=unit_to_var(expression)),
    136        )
    137
    138    return func

class MySQL(sqlglot.dialects.dialect.Dialect): View Source

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

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.

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'>
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}}}
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
  NORMALIZE_FUNCTIONS
  LOG_BASE_FIRST
  NULL_ORDERING
  TYPED_DIVISION
  CONCAT_COALESCE
  HEX_LOWERCASE
  DATE_FORMAT
  DATEINT_FORMAT
  FORMAT_MAPPING
  PSEUDOCOLUMNS
  PREFER_CTE_ALIAS_COLUMN
  COPY_PARAMS_ARE_CSV
  get_or_raise
  format_time
  normalize_identifier
  case_sensitive
  can_identify
  quote_identifier
  to_json_path
  parse
  parse_into
  generate
  transpile
  tokenize
  tokenizer
  parser
  generator

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

    193    class Tokenizer(tokens.Tokenizer):
    194        QUOTES = ["'", '"']
    195        COMMENTS = ["--", "#", ("/*", "*/")]
    196        IDENTIFIERS = ["`"]
    197        STRING_ESCAPES = ["'", '"', "\\"]
    198        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
    199        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
    200
    201        KEYWORDS = {
    202            **tokens.Tokenizer.KEYWORDS,
    203            "CHARSET": TokenType.CHARACTER_SET,
    204            "FORCE": TokenType.FORCE,
    205            "IGNORE": TokenType.IGNORE,
    206            "LOCK TABLES": TokenType.COMMAND,
    207            "LONGBLOB": TokenType.LONGBLOB,
    208            "LONGTEXT": TokenType.LONGTEXT,
    209            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
    210            "TINYBLOB": TokenType.TINYBLOB,
    211            "TINYTEXT": TokenType.TINYTEXT,
    212            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
    213            "MEDIUMINT": TokenType.MEDIUMINT,
    214            "MEMBER OF": TokenType.MEMBER_OF,
    215            "SEPARATOR": TokenType.SEPARATOR,
    216            "START": TokenType.BEGIN,
    217            "SIGNED": TokenType.BIGINT,
    218            "SIGNED INTEGER": TokenType.BIGINT,
    219            "UNLOCK TABLES": TokenType.COMMAND,
    220            "UNSIGNED": TokenType.UBIGINT,
    221            "UNSIGNED INTEGER": TokenType.UBIGINT,
    222            "YEAR": TokenType.YEAR,
    223            "_ARMSCII8": TokenType.INTRODUCER,
    224            "_ASCII": TokenType.INTRODUCER,
    225            "_BIG5": TokenType.INTRODUCER,
    226            "_BINARY": TokenType.INTRODUCER,
    227            "_CP1250": TokenType.INTRODUCER,
    228            "_CP1251": TokenType.INTRODUCER,
    229            "_CP1256": TokenType.INTRODUCER,
    230            "_CP1257": TokenType.INTRODUCER,
    231            "_CP850": TokenType.INTRODUCER,
    232            "_CP852": TokenType.INTRODUCER,
    233            "_CP866": TokenType.INTRODUCER,
    234            "_CP932": TokenType.INTRODUCER,
    235            "_DEC8": TokenType.INTRODUCER,
    236            "_EUCJPMS": TokenType.INTRODUCER,
    237            "_EUCKR": TokenType.INTRODUCER,
    238            "_GB18030": TokenType.INTRODUCER,
    239            "_GB2312": TokenType.INTRODUCER,
    240            "_GBK": TokenType.INTRODUCER,
    241            "_GEOSTD8": TokenType.INTRODUCER,
    242            "_GREEK": TokenType.INTRODUCER,
    243            "_HEBREW": TokenType.INTRODUCER,
    244            "_HP8": TokenType.INTRODUCER,
    245            "_KEYBCS2": TokenType.INTRODUCER,
    246            "_KOI8R": TokenType.INTRODUCER,
    247            "_KOI8U": TokenType.INTRODUCER,
    248            "_LATIN1": TokenType.INTRODUCER,
    249            "_LATIN2": TokenType.INTRODUCER,
    250            "_LATIN5": TokenType.INTRODUCER,
    251            "_LATIN7": TokenType.INTRODUCER,
    252            "_MACCE": TokenType.INTRODUCER,
    253            "_MACROMAN": TokenType.INTRODUCER,
    254            "_SJIS": TokenType.INTRODUCER,
    255            "_SWE7": TokenType.INTRODUCER,
    256            "_TIS620": TokenType.INTRODUCER,
    257            "_UCS2": TokenType.INTRODUCER,
    258            "_UJIS": TokenType.INTRODUCER,
    259            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
    260            "_UTF8": TokenType.INTRODUCER,
    261            "_UTF16": TokenType.INTRODUCER,
    262            "_UTF16LE": TokenType.INTRODUCER,
    263            "_UTF32": TokenType.INTRODUCER,
    264            "_UTF8MB3": TokenType.INTRODUCER,
    265            "_UTF8MB4": TokenType.INTRODUCER,
    266            "@@": TokenType.SESSION_PARAMETER,
    267        }
    268
    269        COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW}

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'>, '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'>, 'TABLE': <TokenType.TABLE: 'TABLE'>, 'TABLESAMPLE': <TokenType.TABLE_SAMPLE: 'TABLE_SAMPLE'>, 'TEMP': <TokenType.TEMPORARY: 'TEMPORARY'>, 'TEMPORARY': <TokenType.TEMPORARY: 'TEMPORARY'>, 'THEN': <TokenType.THEN: 'THEN'>, 'TRUE': <TokenType.TRUE: 'TRUE'>, 'TRUNCATE': <TokenType.TRUNCATE: 'TRUNCATE'>, 'UNION': <TokenType.UNION: 'UNION'>, 'UNKNOWN': <TokenType.UNKNOWN: 'UNKNOWN'>, 'UNNEST': <TokenType.UNNEST: 'UNNEST'>, 'UNPIVOT': <TokenType.UNPIVOT: 'UNPIVOT'>, 'UPDATE': <TokenType.UPDATE: 'UPDATE'>, 'USE': <TokenType.USE: 'USE'>, 'USING': <TokenType.USING: 'USING'>, 'UUID': <TokenType.UUID: 'UUID'>, 'VALUES': <TokenType.VALUES: 'VALUES'>, 'VIEW': <TokenType.VIEW: 'VIEW'>, 'VOLATILE': <TokenType.VOLATILE: 'VOLATILE'>, 'WHEN': <TokenType.WHEN: 'WHEN'>, 'WHERE': <TokenType.WHERE: 'WHERE'>, 'WINDOW': <TokenType.WINDOW: 'WINDOW'>, 'WITH': <TokenType.WITH: 'WITH'>, 'APPLY': <TokenType.APPLY: 'APPLY'>, 'ARRAY': <TokenType.ARRAY: 'ARRAY'>, 'BIT': <TokenType.BIT: 'BIT'>, 'BOOL': <TokenType.BOOLEAN: 'BOOLEAN'>, 'BOOLEAN': <TokenType.BOOLEAN: 'BOOLEAN'>, 'BYTE': <TokenType.TINYINT: 'TINYINT'>, 'MEDIUMINT': <TokenType.MEDIUMINT: 'MEDIUMINT'>, 'INT1': <TokenType.TINYINT: 'TINYINT'>, 'TINYINT': <TokenType.TINYINT: 'TINYINT'>, 'INT16': <TokenType.SMALLINT: 'SMALLINT'>, 'SHORT': <TokenType.SMALLINT: 'SMALLINT'>, 'SMALLINT': <TokenType.SMALLINT: 'SMALLINT'>, 'INT128': <TokenType.INT128: 'INT128'>, 'HUGEINT': <TokenType.INT128: 'INT128'>, 'INT2': <TokenType.SMALLINT: 'SMALLINT'>, 'INTEGER': <TokenType.INT: 'INT'>, 'INT': <TokenType.INT: 'INT'>, 'INT4': <TokenType.INT: 'INT'>, 'INT32': <TokenType.INT: 'INT'>, 'INT64': <TokenType.BIGINT: 'BIGINT'>, 'LONG': <TokenType.BIGINT: 'BIGINT'>, 'BIGINT': <TokenType.BIGINT: 'BIGINT'>, 'INT8': <TokenType.TINYINT: 'TINYINT'>, 'UINT': <TokenType.UINT: 'UINT'>, 'DEC': <TokenType.DECIMAL: 'DECIMAL'>, 'DECIMAL': <TokenType.DECIMAL: 'DECIMAL'>, 'BIGDECIMAL': <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, 'BIGNUMERIC': <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, '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'>, 'STRUCT': <TokenType.STRUCT: 'STRUCT'>, 'SEQUENCE': <TokenType.SEQUENCE: 'SEQUENCE'>, 'VARIANT': <TokenType.VARIANT: 'VARIANT'>, 'ALTER': <TokenType.ALTER: 'ALTER'>, 'ANALYZE': <TokenType.COMMAND: 'COMMAND'>, 'CALL': <TokenType.COMMAND: 'COMMAND'>, 'COMMENT': <TokenType.COMMENT: 'COMMENT'>, 'EXPLAIN': <TokenType.COMMAND: 'COMMAND'>, 'GRANT': <TokenType.COMMAND: 'COMMAND'>, 'OPTIMIZE': <TokenType.COMMAND: 'COMMAND'>, 'PREPARE': <TokenType.COMMAND: 'COMMAND'>, 'VACUUM': <TokenType.COMMAND: 'COMMAND'>, 'USER-DEFINED': <TokenType.USERDEFINED: 'USERDEFINED'>, 'FOR VERSION': <TokenType.VERSION_SNAPSHOT: 'VERSION_SNAPSHOT'>, 'FOR TIMESTAMP': <TokenType.TIMESTAMP_SNAPSHOT: 'TIMESTAMP_SNAPSHOT'>, 'CHARSET': <TokenType.CHARACTER_SET: 'CHARACTER_SET'>, 'FORCE': <TokenType.FORCE: 'FORCE'>, 'IGNORE': <TokenType.IGNORE: 'IGNORE'>, 'LOCK TABLES': <TokenType.COMMAND: 'COMMAND'>, 'MEMBER OF': <TokenType.MEMBER_OF: 'MEMBER_OF'>, 'SEPARATOR': <TokenType.SEPARATOR: 'SEPARATOR'>, 'START': <TokenType.BEGIN: 'BEGIN'>, 'SIGNED': <TokenType.BIGINT: 'BIGINT'>, 'SIGNED INTEGER': <TokenType.BIGINT: 'BIGINT'>, 'UNLOCK TABLES': <TokenType.COMMAND: 'COMMAND'>, 'UNSIGNED': <TokenType.UBIGINT: 'UBIGINT'>, 'UNSIGNED INTEGER': <TokenType.UBIGINT: 'UBIGINT'>, 'YEAR': <TokenType.YEAR: 'YEAR'>, '_ARMSCII8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_ASCII': <TokenType.INTRODUCER: 'INTRODUCER'>, '_BIG5': <TokenType.INTRODUCER: 'INTRODUCER'>, '_BINARY': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1250': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1251': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1256': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1257': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP850': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP852': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP866': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP932': <TokenType.INTRODUCER: 'INTRODUCER'>, '_DEC8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_EUCJPMS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_EUCKR': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GB18030': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GB2312': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GBK': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GEOSTD8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GREEK': <TokenType.INTRODUCER: 'INTRODUCER'>, '_HEBREW': <TokenType.INTRODUCER: 'INTRODUCER'>, '_HP8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KEYBCS2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KOI8R': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KOI8U': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN1': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN5': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN7': <TokenType.INTRODUCER: 'INTRODUCER'>, '_MACCE': <TokenType.INTRODUCER: 'INTRODUCER'>, '_MACROMAN': <TokenType.INTRODUCER: 'INTRODUCER'>, '_SJIS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_SWE7': <TokenType.INTRODUCER: 'INTRODUCER'>, '_TIS620': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UCS2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UJIS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF16': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF16LE': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF32': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8MB3': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8MB4': <TokenType.INTRODUCER: 'INTRODUCER'>, '@@': <TokenType.SESSION_PARAMETER: 'SESSION_PARAMETER'>}
COMMANDS = {<TokenType.FETCH: 'FETCH'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.EXECUTE: 'EXECUTE'>}

##### 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
  WHITE_SPACE
  COMMAND_PREFIX_TOKENS
  NUMERIC_LITERALS
  dialect
  reset
  tokenize
  tokenize_rs
  size
  sql
  tokens

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

    271    class Parser(parser.Parser):
    272        FUNC_TOKENS = {
    273            *parser.Parser.FUNC_TOKENS,
    274            TokenType.DATABASE,
    275            TokenType.SCHEMA,
    276            TokenType.VALUES,
    277        }
    278
    279        CONJUNCTION = {
    280            **parser.Parser.CONJUNCTION,
    281            TokenType.DAMP: exp.And,
    282            TokenType.XOR: exp.Xor,
    283        }
    284
    285        DISJUNCTION = {
    286            **parser.Parser.DISJUNCTION,
    287            TokenType.DPIPE: exp.Or,
    288        }
    289
    290        TABLE_ALIAS_TOKENS = (
    291            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
    292        )
    293
    294        RANGE_PARSERS = {
    295            **parser.Parser.RANGE_PARSERS,
    296            TokenType.MEMBER_OF: lambda self, this: self.expression(
    297                exp.JSONArrayContains,
    298                this=this,
    299                expression=self._parse_wrapped(self._parse_expression),
    300            ),
    301        }
    302
    303        FUNCTIONS = {
    304            **parser.Parser.FUNCTIONS,
    305            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
    306            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
    307            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
    308            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
    309            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
    310            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
    311            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
    312            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
    313            "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)),
    314            "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"),
    315            "ISNULL": isnull_to_is_null,
    316            "LOCATE": locate_to_strposition,
    317            "MAKETIME": exp.TimeFromParts.from_arg_list,
    318            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
    319            "MONTHNAME": lambda args: exp.TimeToStr(
    320                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
    321                format=exp.Literal.string("%B"),
    322            ),
    323            "STR_TO_DATE": _str_to_date,
    324            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
    325            "TO_DAYS": lambda args: exp.paren(
    326                exp.DateDiff(
    327                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
    328                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
    329                    unit=exp.var("DAY"),
    330                )
    331                + 1
    332            ),
    333            "WEEK": lambda args: exp.Week(
    334                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
    335            ),
    336            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
    337            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
    338        }
    339
    340        FUNCTION_PARSERS = {
    341            **parser.Parser.FUNCTION_PARSERS,
    342            "CHAR": lambda self: self._parse_chr(),
    343            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
    344            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
    345            "VALUES": lambda self: self.expression(
    346                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
    347            ),
    348        }
    349
    350        STATEMENT_PARSERS = {
    351            **parser.Parser.STATEMENT_PARSERS,
    352            TokenType.SHOW: lambda self: self._parse_show(),
    353        }
    354
    355        SHOW_PARSERS = {
    356            "BINARY LOGS": _show_parser("BINARY LOGS"),
    357            "MASTER LOGS": _show_parser("BINARY LOGS"),
    358            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
    359            "CHARACTER SET": _show_parser("CHARACTER SET"),
    360            "CHARSET": _show_parser("CHARACTER SET"),
    361            "COLLATION": _show_parser("COLLATION"),
    362            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
    363            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
    364            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
    365            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
    366            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
    367            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
    368            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
    369            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
    370            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
    371            "DATABASES": _show_parser("DATABASES"),
    372            "SCHEMAS": _show_parser("DATABASES"),
    373            "ENGINE": _show_parser("ENGINE", target=True),
    374            "STORAGE ENGINES": _show_parser("ENGINES"),
    375            "ENGINES": _show_parser("ENGINES"),
    376            "ERRORS": _show_parser("ERRORS"),
    377            "EVENTS": _show_parser("EVENTS"),
    378            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
    379            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
    380            "GRANTS": _show_parser("GRANTS", target="FOR"),
    381            "INDEX": _show_parser("INDEX", target="FROM"),
    382            "MASTER STATUS": _show_parser("MASTER STATUS"),
    383            "OPEN TABLES": _show_parser("OPEN TABLES"),
    384            "PLUGINS": _show_parser("PLUGINS"),
    385            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
    386            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
    387            "PRIVILEGES": _show_parser("PRIVILEGES"),
    388            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
    389            "PROCESSLIST": _show_parser("PROCESSLIST"),
    390            "PROFILE": _show_parser("PROFILE"),
    391            "PROFILES": _show_parser("PROFILES"),
    392            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
    393            "REPLICAS": _show_parser("REPLICAS"),
    394            "SLAVE HOSTS": _show_parser("REPLICAS"),
    395            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
    396            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
    397            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
    398            "SESSION STATUS": _show_parser("STATUS"),
    399            "STATUS": _show_parser("STATUS"),
    400            "TABLE STATUS": _show_parser("TABLE STATUS"),
    401            "FULL TABLES": _show_parser("TABLES", full=True),
    402            "TABLES": _show_parser("TABLES"),
    403            "TRIGGERS": _show_parser("TRIGGERS"),
    404            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
    405            "SESSION VARIABLES": _show_parser("VARIABLES"),
    406            "VARIABLES": _show_parser("VARIABLES"),
    407            "WARNINGS": _show_parser("WARNINGS"),
    408        }
    409
    410        PROPERTY_PARSERS = {
    411            **parser.Parser.PROPERTY_PARSERS,
    412            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
    413        }
    414
    415        SET_PARSERS = {
    416            **parser.Parser.SET_PARSERS,
    417            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
    418            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
    419            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
    420            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
    421            "NAMES": lambda self: self._parse_set_item_names(),
    422        }
    423
    424        CONSTRAINT_PARSERS = {
    425            **parser.Parser.CONSTRAINT_PARSERS,
    426            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
    427            "INDEX": lambda self: self._parse_index_constraint(),
    428            "KEY": lambda self: self._parse_index_constraint(),
    429            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
    430        }
    431
    432        ALTER_PARSERS = {
    433            **parser.Parser.ALTER_PARSERS,
    434            "MODIFY": lambda self: self._parse_alter_table_alter(),
    435        }
    436
    437        SCHEMA_UNNAMED_CONSTRAINTS = {
    438            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
    439            "FULLTEXT",
    440            "INDEX",
    441            "KEY",
    442            "SPATIAL",
    443        }
    444
    445        PROFILE_TYPES: parser.OPTIONS_TYPE = {
    446            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
    447            "BLOCK": ("IO",),
    448            "CONTEXT": ("SWITCHES",),
    449            "PAGE": ("FAULTS",),
    450        }
    451
    452        TYPE_TOKENS = {
    453            *parser.Parser.TYPE_TOKENS,
    454            TokenType.SET,
    455        }
    456
    457        ENUM_TYPE_TOKENS = {
    458            *parser.Parser.ENUM_TYPE_TOKENS,
    459            TokenType.SET,
    460        }
    461
    462        LOG_DEFAULTS_TO_LN = True
    463        STRING_ALIASES = True
    464        VALUES_FOLLOWED_BY_PAREN = False
    465        SUPPORTS_PARTITION_SELECTION = True
    466
    467        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
    468            this = self._parse_id_var()
    469            if not self._match(TokenType.L_PAREN):
    470                return this
    471
    472            expression = self._parse_number()
    473            self._match_r_paren()
    474            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
    475
    476        def _parse_index_constraint(
    477            self, kind: t.Optional[str] = None
    478        ) -> exp.IndexColumnConstraint:
    479            if kind:
    480                self._match_texts(("INDEX", "KEY"))
    481
    482            this = self._parse_id_var(any_token=False)
    483            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
    484            expressions = self._parse_wrapped_csv(self._parse_ordered)
    485
    486            options = []
    487            while True:
    488                if self._match_text_seq("KEY_BLOCK_SIZE"):
    489                    self._match(TokenType.EQ)
    490                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
    491                elif self._match(TokenType.USING):
    492                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
    493                elif self._match_text_seq("WITH", "PARSER"):
    494                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
    495                elif self._match(TokenType.COMMENT):
    496                    opt = exp.IndexConstraintOption(comment=self._parse_string())
    497                elif self._match_text_seq("VISIBLE"):
    498                    opt = exp.IndexConstraintOption(visible=True)
    499                elif self._match_text_seq("INVISIBLE"):
    500                    opt = exp.IndexConstraintOption(visible=False)
    501                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
    502                    self._match(TokenType.EQ)
    503                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
    504                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
    505                    self._match(TokenType.EQ)
    506                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
    507                else:
    508                    opt = None
    509
    510                if not opt:
    511                    break
    512
    513                options.append(opt)
    514
    515            return self.expression(
    516                exp.IndexColumnConstraint,
    517                this=this,
    518                expressions=expressions,
    519                kind=kind,
    520                index_type=index_type,
    521                options=options,
    522            )
    523
    524        def _parse_show_mysql(
    525            self,
    526            this: str,
    527            target: bool | str = False,
    528            full: t.Optional[bool] = None,
    529            global_: t.Optional[bool] = None,
    530        ) -> exp.Show:
    531            if target:
    532                if isinstance(target, str):
    533                    self._match_text_seq(target)
    534                target_id = self._parse_id_var()
    535            else:
    536                target_id = None
    537
    538            log = self._parse_string() if self._match_text_seq("IN") else None
    539
    540            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
    541                position = self._parse_number() if self._match_text_seq("FROM") else None
    542                db = None
    543            else:
    544                position = None
    545                db = None
    546
    547                if self._match(TokenType.FROM):
    548                    db = self._parse_id_var()
    549                elif self._match(TokenType.DOT):
    550                    db = target_id
    551                    target_id = self._parse_id_var()
    552
    553            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
    554
    555            like = self._parse_string() if self._match_text_seq("LIKE") else None
    556            where = self._parse_where()
    557
    558            if this == "PROFILE":
    559                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
    560                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
    561                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
    562                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
    563            else:
    564                types, query = None, None
    565                offset, limit = self._parse_oldstyle_limit()
    566
    567            mutex = True if self._match_text_seq("MUTEX") else None
    568            mutex = False if self._match_text_seq("STATUS") else mutex
    569
    570            return self.expression(
    571                exp.Show,
    572                this=this,
    573                target=target_id,
    574                full=full,
    575                log=log,
    576                position=position,
    577                db=db,
    578                channel=channel,
    579                like=like,
    580                where=where,
    581                types=types,
    582                query=query,
    583                offset=offset,
    584                limit=limit,
    585                mutex=mutex,
    586                **{"global": global_},  # type: ignore
    587            )
    588
    589        def _parse_oldstyle_limit(
    590            self,
    591        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
    592            limit = None
    593            offset = None
    594            if self._match_text_seq("LIMIT"):
    595                parts = self._parse_csv(self._parse_number)
    596                if len(parts) == 1:
    597                    limit = parts[0]
    598                elif len(parts) == 2:
    599                    limit = parts[1]
    600                    offset = parts[0]
    601
    602            return offset, limit
    603
    604        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
    605            this = self._parse_string() or self._parse_unquoted_field()
    606            return self.expression(exp.SetItem, this=this, kind=kind)
    607
    608        def _parse_set_item_names(self) -> exp.Expression:
    609            charset = self._parse_string() or self._parse_unquoted_field()
    610            if self._match_text_seq("COLLATE"):
    611                collate = self._parse_string() or self._parse_unquoted_field()
    612            else:
    613                collate = None
    614
    615            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
    616
    617        def _parse_type(
    618            self, parse_interval: bool = True, fallback_to_identifier: bool = False
    619        ) -> t.Optional[exp.Expression]:
    620            # mysql binary is special and can work anywhere, even in order by operations
    621            # it operates like a no paren func
    622            if self._match(TokenType.BINARY, advance=False):
    623                data_type = self._parse_types(check_func=True, allow_identifiers=False)
    624
    625                if isinstance(data_type, exp.DataType):
    626                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
    627
    628            return super()._parse_type(
    629                parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier
    630            )
    631
    632        def _parse_chr(self) -> t.Optional[exp.Expression]:
    633            expressions = self._parse_csv(self._parse_assignment)
    634            kwargs: t.Dict[str, t.Any] = {"this": seq_get(expressions, 0)}
    635
    636            if len(expressions) > 1:
    637                kwargs["expressions"] = expressions[1:]
    638
    639            if self._match(TokenType.USING):
    640                kwargs["charset"] = self._parse_var()
    641
    642            return self.expression(exp.Chr, **kwargs)
    643
    644        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
    645            def concat_exprs(
    646                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
    647            ) -> exp.Expression:
    648                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
    649                    concat_exprs = [
    650                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
    651                    ]
    652                    node.set("expressions", concat_exprs)
    653                    return node
    654                if len(exprs) == 1:
    655                    return exprs[0]
    656                return self.expression(exp.Concat, expressions=args, safe=True)
    657
    658            args = self._parse_csv(self._parse_lambda)
    659
    660            if args:
    661                order = args[-1] if isinstance(args[-1], exp.Order) else None
    662
    663                if order:
    664                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
    665                    # remove 'expr' from exp.Order and add it back to args
    666                    args[-1] = order.this
    667                    order.set("this", concat_exprs(order.this, args))
    668
    669                this = order or concat_exprs(args[0], args)
    670            else:
    671                this = None
    672
    673            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
    674
    675            return self.expression(exp.GroupConcat, this=this, separator=separator)

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

###### Arguments:

- error_level: The desired error level. Default: ErrorLevel.IMMEDIATE
- error_message_context: The amount of context to capture from a query string when displaying the error message (in number of characters). Default: 100
- max_errors: Maximum number of error messages to include in a raised ParseError. This is only relevant if error_level is ErrorLevel.RAISE. Default: 3

FUNC_TOKENS = {<TokenType.IMAGE: 'IMAGE'>, <TokenType.NESTED: 'NESTED'>, <TokenType.CHAR: 'CHAR'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.RIGHT: 'RIGHT'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.SUPER: 'SUPER'>, <TokenType.MONEY: 'MONEY'>, <TokenType.IPV6: 'IPV6'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.INET: 'INET'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.TIME: 'TIME'>, <TokenType.MAP: 'MAP'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.OFFSET: 'OFFSET'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.SOME: 'SOME'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.BINARY: 'BINARY'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.UINT: 'UINT'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.ALL: 'ALL'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.ENUM: 'ENUM'>, <TokenType.FILTER: 'FILTER'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.INSERT: 'INSERT'>, <TokenType.DATE: 'DATE'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.INT256: 'INT256'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.UINT256: 'UINT256'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.VAR: 'VAR'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.FIRST: 'FIRST'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.INDEX: 'INDEX'>, <TokenType.LIKE: 'LIKE'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.YEAR: 'YEAR'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.NAME: 'NAME'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.ANY: 'ANY'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.GLOB: 'GLOB'>, <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, <TokenType.JSONB: 'JSONB'>, <TokenType.TEXT: 'TEXT'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.VALUES: 'VALUES'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.LEFT: 'LEFT'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.RLIKE: 'RLIKE'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.DATE32: 'DATE32'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.JSON: 'JSON'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.BIT: 'BIT'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.UINT128: 'UINT128'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.WINDOW: 'WINDOW'>, <TokenType.ILIKE: 'ILIKE'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.XML: 'XML'>, <TokenType.UUID: 'UUID'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.IPV4: 'IPV4'>, <TokenType.MERGE: 'MERGE'>, <TokenType.TABLE: 'TABLE'>, <TokenType.XOR: 'XOR'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.NULL: 'NULL'>, <TokenType.INT: 'INT'>, <TokenType.RANGE: 'RANGE'>, <TokenType.ROW: 'ROW'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.INT128: 'INT128'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.FLOAT: 'FLOAT'>}
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.DEFAULT: 'DEFAULT'>, <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, <TokenType.SHOW: 'SHOW'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.NESTED: 'NESTED'>, <TokenType.SEMI: 'SEMI'>, <TokenType.CHAR: 'CHAR'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.DIV: 'DIV'>, <TokenType.BEGIN: 'BEGIN'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.PERCENT: 'PERCENT'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.ANTI: 'ANTI'>, <TokenType.VOLATILE: 'VOLATILE'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.SUPER: 'SUPER'>, <TokenType.MONEY: 'MONEY'>, <TokenType.TRUE: 'TRUE'>, <TokenType.IPV6: 'IPV6'>, <TokenType.UPDATE: 'UPDATE'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.MODEL: 'MODEL'>, <TokenType.ASC: 'ASC'>, <TokenType.FALSE: 'FALSE'>, <TokenType.INET: 'INET'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.TIME: 'TIME'>, <TokenType.MAP: 'MAP'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.SOME: 'SOME'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.PROCEDURE: 'PROCEDURE'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.CASE: 'CASE'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.BINARY: 'BINARY'>, <TokenType.COMMIT: 'COMMIT'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.DICTIONARY: 'DICTIONARY'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.UINT: 'UINT'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.ALL: 'ALL'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.ENUM: 'ENUM'>, <TokenType.FILTER: 'FILTER'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.PIVOT: 'PIVOT'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.DATE: 'DATE'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.OVERWRITE: 'OVERWRITE'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.WAREHOUSE: 'WAREHOUSE'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.PARTITION: 'PARTITION'>, <TokenType.INT256: 'INT256'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.ESCAPE: 'ESCAPE'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.OPERATOR: 'OPERATOR'>, <TokenType.UINT256: 'UINT256'>, <TokenType.OVERLAPS: 'OVERLAPS'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.TOP: 'TOP'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.VAR: 'VAR'>, <TokenType.VIEW: 'VIEW'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.STORAGE_INTEGRATION: 'STORAGE_INTEGRATION'>, <TokenType.FIRST: 'FIRST'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.LOAD: 'LOAD'>, <TokenType.INDEX: 'INDEX'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.YEAR: 'YEAR'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.NAME: 'NAME'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.ANY: 'ANY'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.COLUMN: 'COLUMN'>, <TokenType.JSONB: 'JSONB'>, <TokenType.KEEP: 'KEEP'>, <TokenType.DESC: 'DESC'>, <TokenType.TEXT: 'TEXT'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.ROLLUP: 'ROLLUP'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.RECURSIVE: 'RECURSIVE'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.ORDINALITY: 'ORDINALITY'>, <TokenType.DESCRIBE: 'DESCRIBE'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.CACHE: 'CACHE'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.COPY: 'COPY'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.CONSTRAINT: 'CONSTRAINT'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.NEXT: 'NEXT'>, <TokenType.KILL: 'KILL'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.COMMENT: 'COMMENT'>, <TokenType.ROWS: 'ROWS'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.DATE32: 'DATE32'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.UNPIVOT: 'UNPIVOT'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.JSON: 'JSON'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.BIT: 'BIT'>, <TokenType.SET: 'SET'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.UINT128: 'UINT128'>, <TokenType.END: 'END'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.STREAMLIT: 'STREAMLIT'>, <TokenType.UNIQUE: 'UNIQUE'>, <TokenType.FUNCTION: 'FUNCTION'>, <TokenType.PRAGMA: 'PRAGMA'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.XML: 'XML'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.UUID: 'UUID'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.IPV4: 'IPV4'>, <TokenType.MERGE: 'MERGE'>, <TokenType.DELETE: 'DELETE'>, <TokenType.TABLE: 'TABLE'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.FINAL: 'FINAL'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.REFERENCES: 'REFERENCES'>, <TokenType.NULL: 'NULL'>, <TokenType.INT: 'INT'>, <TokenType.TEMPORARY: 'TEMPORARY'>, <TokenType.RANGE: 'RANGE'>, <TokenType.ROW: 'ROW'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.REFRESH: 'REFRESH'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.INT128: 'INT128'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.TAG: 'TAG'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.SETTINGS: 'SETTINGS'>, <TokenType.IS: 'IS'>, <TokenType.FLOAT: 'FLOAT'>}
RANGE_PARSERS = {<TokenType.BETWEEN: 'BETWEEN'>: <function Parser.<lambda>>, <TokenType.GLOB: 'GLOB'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.ILIKE: 'ILIKE'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.IN: 'IN'>: <function Parser.<lambda>>, <TokenType.IRLIKE: 'IRLIKE'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.IS: 'IS'>: <function Parser.<lambda>>, <TokenType.LIKE: 'LIKE'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.OVERLAPS: 'OVERLAPS'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.RLIKE: 'RLIKE'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.SIMILAR_TO: 'SIMILAR_TO'>: <function binary_range_parser.<locals>._parse_binary_range>, <TokenType.FOR: 'FOR'>: <function Parser.<lambda>>, <TokenType.MEMBER_OF: 'MEMBER_OF'>: <function MySQL.Parser.<lambda>>}
FUNCTIONS = {'ABS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Abs'>>, 'ADD_MONTHS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.AddMonths'>>, 'ANONYMOUS_AGG_FUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.AnonymousAggFunc'>>, 'ANY_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.AnyValue'>>, 'APPROX_DISTINCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxDistinct'>>, 'APPROX_COUNT_DISTINCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxDistinct'>>, 'APPROX_QUANTILE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxQuantile'>>, 'APPROX_TOP_K': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxTopK'>>, 'ARG_MAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'ARGMAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'MAX_BY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'ARG_MIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'ARGMIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'MIN_BY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Array'>>, 'ARRAY_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAgg'>>, 'ARRAY_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAll'>>, 'ARRAY_ANY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAny'>>, 'ARRAY_CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CONSTRUCT_COMPACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConstructCompact'>>, 'ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContains'>>, 'ARRAY_HAS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContains'>>, 'ARRAY_CONTAINS_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContainsAll'>>, 'ARRAY_HAS_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContainsAll'>>, 'FILTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayFilter'>>, 'ARRAY_FILTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayFilter'>>, 'ARRAY_OVERLAPS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayOverlaps'>>, 'ARRAY_SIZE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySize'>>, 'ARRAY_LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySize'>>, 'ARRAY_SORT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySort'>>, 'ARRAY_SUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySum'>>, 'ARRAY_TO_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayToString'>>, 'ARRAY_JOIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayToString'>>, 'ARRAY_UNION_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayUnionAgg'>>, 'ARRAY_UNIQUE_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayUniqueAgg'>>, 'AVG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Avg'>>, 'CASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Case'>>, 'CAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Cast'>>, 'CAST_TO_STR_TYPE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CastToStrType'>>, 'CBRT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Cbrt'>>, 'CEIL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ceil'>>, 'CEILING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ceil'>>, 'CHR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Chr'>>, 'CHAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Chr'>>, 'COALESCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Coalesce'>>, 'IFNULL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Coalesce'>>, 'NVL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Coalesce'>>, 'COLLATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Collate'>>, 'COMBINED_AGG_FUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CombinedAggFunc'>>, 'COMBINED_PARAMETERIZED_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CombinedParameterizedAgg'>>, 'CONCAT': <function Parser.<lambda>>, 'CONCAT_WS': <function Parser.<lambda>>, 'CONNECT_BY_ROOT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ConnectByRoot'>>, 'CONVERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Convert'>>, 'CORR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Corr'>>, 'COUNT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Count'>>, 'COUNT_IF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CountIf'>>, 'COUNTIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CountIf'>>, 'COVAR_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CovarPop'>>, 'COVAR_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CovarSamp'>>, 'CURRENT_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentDate'>>, 'CURRENT_DATETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentDatetime'>>, 'CURRENT_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentTime'>>, 'CURRENT_TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentTimestamp'>>, 'CURRENT_USER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentUser'>>, 'DATE': <function MySQL.Parser.<lambda>>, 'DATE_ADD': <function build_date_delta_with_interval.<locals>._builder>, 'DATEDIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateDiff'>>, 'DATE_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateDiff'>>, 'DATE_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateFromParts'>>, 'DATEFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateFromParts'>>, 'DATE_STR_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateStrToDate'>>, 'DATE_SUB': <function build_date_delta_with_interval.<locals>._builder>, 'DATE_TO_DATE_STR': <function Parser.<lambda>>, 'DATE_TO_DI': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateToDi'>>, 'DATE_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateTrunc'>>, 'DATETIME_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeAdd'>>, 'DATETIME_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeDiff'>>, 'DATETIME_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeSub'>>, 'DATETIME_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeTrunc'>>, 'DAY': <function MySQL.Parser.<lambda>>, 'DAY_OF_MONTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfMonth'>>, 'DAYOFMONTH': <function MySQL.Parser.<lambda>>, 'DAY_OF_WEEK': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfWeek'>>, 'DAYOFWEEK': <function MySQL.Parser.<lambda>>, 'DAY_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfYear'>>, 'DAYOFYEAR': <function MySQL.Parser.<lambda>>, 'DECODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Decode'>>, 'DI_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DiToDate'>>, 'ENCODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Encode'>>, 'EXP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Exp'>>, 'EXPLODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Explode'>>, 'EXPLODE_OUTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ExplodeOuter'>>, 'EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Extract'>>, 'FIRST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.First'>>, 'FIRST_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FirstValue'>>, 'FLATTEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Flatten'>>, 'FLOOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Floor'>>, 'FROM_BASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromBase'>>, 'FROM_BASE64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromBase64'>>, 'GAP_FILL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GapFill'>>, 'GENERATE_DATE_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateDateArray'>>, 'GENERATE_SERIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateSeries'>>, 'GREATEST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Greatest'>>, 'GROUP_CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GroupConcat'>>, 'HEX': <function build_hex>, 'HLL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Hll'>>, 'IF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.If'>>, 'IIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.If'>>, 'INITCAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Initcap'>>, 'IS_INF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsInf'>>, 'ISINF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsInf'>>, 'IS_NAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsNan'>>, 'ISNAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsNan'>>, 'J_S_O_N_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArray'>>, 'J_S_O_N_ARRAY_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayAgg'>>, 'JSON_ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayContains'>>, 'JSONB_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBExtract'>>, 'JSONB_EXTRACT_SCALAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBExtractScalar'>>, 'JSON_EXTRACT': <function build_extract_json_with_path.<locals>._builder>, 'JSON_EXTRACT_SCALAR': <function build_extract_json_with_path.<locals>._builder>, 'JSON_FORMAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONFormat'>>, 'J_S_O_N_OBJECT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONObject'>>, 'J_S_O_N_OBJECT_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONObjectAgg'>>, 'J_S_O_N_TABLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONTable'>>, 'LAG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lag'>>, 'LAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Last'>>, 'LAST_DAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LastDay'>>, 'LAST_DAY_OF_MONTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LastDay'>>, 'LAST_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LastValue'>>, 'LEAD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lead'>>, 'LEAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Least'>>, 'LEFT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Left'>>, 'LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Length'>>, 'LEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Length'>>, 'LEVENSHTEIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Levenshtein'>>, 'LN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ln'>>, 'LOG': <function build_logarithm>, 'LOGICAL_AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'BOOL_AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'BOOLAND_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'LOGICAL_OR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'BOOL_OR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'BOOLOR_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'LOWER': <function build_lower>, 'LCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lower'>>, 'LOWER_HEX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LowerHex'>>, 'MD5': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MD5'>>, 'MD5_DIGEST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MD5Digest'>>, 'MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Map'>>, 'MAP_FROM_ENTRIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MapFromEntries'>>, 'MATCH_AGAINST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MatchAgainst'>>, 'MAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Max'>>, 'MIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Min'>>, 'MONTH': <function MySQL.Parser.<lambda>>, 'MONTHS_BETWEEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MonthsBetween'>>, 'NEXT_VALUE_FOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NextValueFor'>>, 'NTH_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NthValue'>>, 'NULLIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Nullif'>>, 'NUMBER_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NumberToStr'>>, 'NVL2': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Nvl2'>>, 'OPEN_J_S_O_N': <bound method Func.from_arg_list of <class 'sqlglot.expressions.OpenJSON'>>, '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'>>, 'STDDEV_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StddevPop'>>, 'STDDEV_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StddevSamp'>>, 'STR_POSITION': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrPosition'>>, 'STR_TO_DATE': <function _str_to_date>, 'STR_TO_MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrToMap'>>, 'STR_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrToTime'>>, 'STR_TO_UNIX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrToUnix'>>, 'STRING_TO_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StringToArray'>>, 'SPLIT_BY_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StringToArray'>>, 'STRUCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Struct'>>, 'STRUCT_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StructExtract'>>, 'STUFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stuff'>>, 'INSERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stuff'>>, 'SUBSTRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Substring'>>, 'SUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sum'>>, 'TIME_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'>>, 'UPPER': <function build_upper>, 'UCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Upper'>>, 'VAR_MAP': <function build_var_map>, 'VARIANCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VAR_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'VAR_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'WEEK': <function MySQL.Parser.<lambda>>, 'WEEK_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.WeekOfYear'>>, 'WEEKOFYEAR': <function MySQL.Parser.<lambda>>, 'WHEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.When'>>, 'X_M_L_TABLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.XMLTable'>>, 'XOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Xor'>>, 'YEAR': <function MySQL.Parser.<lambda>>, 'GLOB': <function Parser.<lambda>>, 'JSON_EXTRACT_PATH_TEXT': <function build_extract_json_with_path.<locals>._builder>, 'LIKE': <function build_like>, 'LOG2': <function Parser.<lambda>>, 'LOG10': <function Parser.<lambda>>, 'MOD': <function build_mod>, 'TO_HEX': <function build_hex>, 'DATE_FORMAT': <function build_formatted_time.<locals>._builder>, 'INSTR': <function MySQL.Parser.<lambda>>, 'FROM_UNIXTIME': <function build_formatted_time.<locals>._builder>, 'ISNULL': <function isnull_to_is_null>, 'LOCATE': <function locate_to_strposition>, 'MAKETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'MONTHNAME': <function MySQL.Parser.<lambda>>}
FUNCTION_PARSERS = {'CAST': <function Parser.<lambda>>, 'CONVERT': <function Parser.<lambda>>, 'DECODE': <function Parser.<lambda>>, 'EXTRACT': <function Parser.<lambda>>, 'GAP_FILL': <function Parser.<lambda>>, 'JSON_OBJECT': <function Parser.<lambda>>, 'JSON_OBJECTAGG': <function Parser.<lambda>>, 'JSON_TABLE': <function Parser.<lambda>>, 'MATCH': <function Parser.<lambda>>, 'OPENJSON': <function Parser.<lambda>>, 'POSITION': <function Parser.<lambda>>, 'PREDICT': <function Parser.<lambda>>, 'SAFE_CAST': <function Parser.<lambda>>, 'STRING_AGG': <function Parser.<lambda>>, 'SUBSTRING': <function Parser.<lambda>>, 'TRIM': <function Parser.<lambda>>, 'TRY_CAST': <function Parser.<lambda>>, 'TRY_CONVERT': <function Parser.<lambda>>, 'CHAR': <function MySQL.Parser.<lambda>>, 'GROUP_CONCAT': <function MySQL.Parser.<lambda>>, 'VALUES': <function MySQL.Parser.<lambda>>}
STATEMENT_PARSERS = {<TokenType.ALTER: 'ALTER'>: <function Parser.<lambda>>, <TokenType.BEGIN: 'BEGIN'>: <function Parser.<lambda>>, <TokenType.CACHE: 'CACHE'>: <function Parser.<lambda>>, <TokenType.COMMENT: 'COMMENT'>: <function Parser.<lambda>>, <TokenType.COMMIT: 'COMMIT'>: <function Parser.<lambda>>, <TokenType.COPY: 'COPY'>: <function Parser.<lambda>>, <TokenType.CREATE: 'CREATE'>: <function Parser.<lambda>>, <TokenType.DELETE: 'DELETE'>: <function Parser.<lambda>>, <TokenType.DESC: 'DESC'>: <function Parser.<lambda>>, <TokenType.DESCRIBE: 'DESCRIBE'>: <function Parser.<lambda>>, <TokenType.DROP: 'DROP'>: <function Parser.<lambda>>, <TokenType.INSERT: 'INSERT'>: <function Parser.<lambda>>, <TokenType.KILL: 'KILL'>: <function Parser.<lambda>>, <TokenType.LOAD: 'LOAD'>: <function Parser.<lambda>>, <TokenType.MERGE: 'MERGE'>: <function Parser.<lambda>>, <TokenType.PIVOT: 'PIVOT'>: <function Parser.<lambda>>, <TokenType.PRAGMA: 'PRAGMA'>: <function Parser.<lambda>>, <TokenType.REFRESH: 'REFRESH'>: <function Parser.<lambda>>, <TokenType.ROLLBACK: 'ROLLBACK'>: <function Parser.<lambda>>, <TokenType.SET: 'SET'>: <function Parser.<lambda>>, <TokenType.TRUNCATE: 'TRUNCATE'>: <function Parser.<lambda>>, <TokenType.UNCACHE: 'UNCACHE'>: <function Parser.<lambda>>, <TokenType.UPDATE: 'UPDATE'>: <function Parser.<lambda>>, <TokenType.USE: 'USE'>: <function Parser.<lambda>>, <TokenType.SEMICOLON: 'SEMICOLON'>: <function Parser.<lambda>>, <TokenType.SHOW: 'SHOW'>: <function MySQL.Parser.<lambda>>}
SHOW_PARSERS = {'BINARY LOGS': <function _show_parser.<locals>._parse>, 'MASTER LOGS': <function _show_parser.<locals>._parse>, 'BINLOG EVENTS': <function _show_parser.<locals>._parse>, 'CHARACTER SET': <function _show_parser.<locals>._parse>, 'CHARSET': <function _show_parser.<locals>._parse>, 'COLLATION': <function _show_parser.<locals>._parse>, 'FULL COLUMNS': <function _show_parser.<locals>._parse>, 'COLUMNS': <function _show_parser.<locals>._parse>, 'CREATE DATABASE': <function _show_parser.<locals>._parse>, 'CREATE EVENT': <function _show_parser.<locals>._parse>, 'CREATE FUNCTION': <function _show_parser.<locals>._parse>, 'CREATE PROCEDURE': <function _show_parser.<locals>._parse>, 'CREATE TABLE': <function _show_parser.<locals>._parse>, 'CREATE TRIGGER': <function _show_parser.<locals>._parse>, 'CREATE VIEW': <function _show_parser.<locals>._parse>, 'DATABASES': <function _show_parser.<locals>._parse>, 'SCHEMAS': <function _show_parser.<locals>._parse>, 'ENGINE': <function _show_parser.<locals>._parse>, 'STORAGE ENGINES': <function _show_parser.<locals>._parse>, 'ENGINES': <function _show_parser.<locals>._parse>, 'ERRORS': <function _show_parser.<locals>._parse>, 'EVENTS': <function _show_parser.<locals>._parse>, 'FUNCTION CODE': <function _show_parser.<locals>._parse>, 'FUNCTION STATUS': <function _show_parser.<locals>._parse>, 'GRANTS': <function _show_parser.<locals>._parse>, 'INDEX': <function _show_parser.<locals>._parse>, 'MASTER STATUS': <function _show_parser.<locals>._parse>, 'OPEN TABLES': <function _show_parser.<locals>._parse>, 'PLUGINS': <function _show_parser.<locals>._parse>, 'PROCEDURE CODE': <function _show_parser.<locals>._parse>, 'PROCEDURE STATUS': <function _show_parser.<locals>._parse>, 'PRIVILEGES': <function _show_parser.<locals>._parse>, 'FULL PROCESSLIST': <function _show_parser.<locals>._parse>, 'PROCESSLIST': <function _show_parser.<locals>._parse>, 'PROFILE': <function _show_parser.<locals>._parse>, 'PROFILES': <function _show_parser.<locals>._parse>, 'RELAYLOG EVENTS': <function _show_parser.<locals>._parse>, 'REPLICAS': <function _show_parser.<locals>._parse>, 'SLAVE HOSTS': <function _show_parser.<locals>._parse>, 'REPLICA STATUS': <function _show_parser.<locals>._parse>, 'SLAVE STATUS': <function _show_parser.<locals>._parse>, 'GLOBAL STATUS': <function _show_parser.<locals>._parse>, 'SESSION STATUS': <function _show_parser.<locals>._parse>, 'STATUS': <function _show_parser.<locals>._parse>, 'TABLE STATUS': <function _show_parser.<locals>._parse>, 'FULL TABLES': <function _show_parser.<locals>._parse>, 'TABLES': <function _show_parser.<locals>._parse>, 'TRIGGERS': <function _show_parser.<locals>._parse>, 'GLOBAL VARIABLES': <function _show_parser.<locals>._parse>, 'SESSION VARIABLES': <function _show_parser.<locals>._parse>, 'VARIABLES': <function _show_parser.<locals>._parse>, 'WARNINGS': <function _show_parser.<locals>._parse>}
PROPERTY_PARSERS = {'ALLOWED_VALUES': <function Parser.<lambda>>, 'ALGORITHM': <function Parser.<lambda>>, 'AUTO': <function Parser.<lambda>>, 'AUTO_INCREMENT': <function Parser.<lambda>>, 'BACKUP': <function Parser.<lambda>>, 'BLOCKCOMPRESSION': <function Parser.<lambda>>, 'CHARSET': <function Parser.<lambda>>, 'CHARACTER SET': <function Parser.<lambda>>, 'CHECKSUM': <function Parser.<lambda>>, 'CLUSTER BY': <function Parser.<lambda>>, 'CLUSTERED': <function Parser.<lambda>>, 'COLLATE': <function Parser.<lambda>>, 'COMMENT': <function Parser.<lambda>>, 'CONTAINS': <function Parser.<lambda>>, 'COPY': <function Parser.<lambda>>, 'DATABLOCKSIZE': <function Parser.<lambda>>, 'DATA_DELETION': <function Parser.<lambda>>, 'DEFINER': <function Parser.<lambda>>, 'DETERMINISTIC': <function Parser.<lambda>>, 'DISTKEY': <function Parser.<lambda>>, 'DISTSTYLE': <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>>, 'ROW': <function Parser.<lambda>>, 'ROW_FORMAT': <function Parser.<lambda>>, 'SAMPLE': <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>>, 'MODIFY': <function MySQL.Parser.<lambda>>}
SCHEMA_UNNAMED_CONSTRAINTS = {'LIKE', 'INDEX', 'PERIOD', 'SPATIAL', 'CHECK', 'EXCLUDE', 'PRIMARY KEY', 'FULLTEXT', 'FOREIGN KEY', 'UNIQUE', 'KEY'}
PROFILE_TYPES: Dict[str, Sequence[Union[Sequence[str], str]]] = {'ALL': (), 'CPU': (), 'IPC': (), 'MEMORY': (), 'SOURCE': (), 'SWAPS': (), 'BLOCK': ('IO',), 'CONTEXT': ('SWITCHES',), 'PAGE': ('FAULTS',)}
TYPE_TOKENS = {<TokenType.IMAGE: 'IMAGE'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.NESTED: 'NESTED'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.YEAR: 'YEAR'>, <TokenType.CHAR: 'CHAR'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.NAME: 'NAME'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.SUPER: 'SUPER'>, <TokenType.MONEY: 'MONEY'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.JSONB: 'JSONB'>, <TokenType.TEXT: 'TEXT'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.IPV6: 'IPV6'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.INET: 'INET'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.TIME: 'TIME'>, <TokenType.MAP: 'MAP'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.BINARY: 'BINARY'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.UINT: 'UINT'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.DATE32: 'DATE32'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.ENUM: 'ENUM'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.JSON: 'JSON'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.BIT: 'BIT'>, <TokenType.SET: 'SET'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.UINT128: 'UINT128'>, <TokenType.DATE: 'DATE'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.XML: 'XML'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.UUID: 'UUID'>, <TokenType.IPV4: 'IPV4'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.INT256: 'INT256'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.NULL: 'NULL'>, <TokenType.INT: 'INT'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.UINT256: 'UINT256'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.INT128: 'INT128'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>}
ENUM_TYPE_TOKENS = {<TokenType.ENUM16: 'ENUM16'>, <TokenType.SET: 'SET'>, <TokenType.ENUM: 'ENUM'>, <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
  ID_VAR_TOKENS
  INTERVAL_VARS
  ALIAS_TOKENS
  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_CONVERTER
  DDL_SELECT_TOKENS
  PRE_VOLATILE_TOKENS
  TRANSACTION_KIND
  TRANSACTION_CHARACTERISTICS
  CONFLICT_ACTIONS
  CREATE_SEQUENCE
  ISOLATED_LOADING_OPTIONS
  USABLES
  CAST_ACTIONS
  INSERT_ALTERNATIVES
  CLONE_KEYWORDS
  HISTORICAL_DATA_KIND
  OPCLASS_FOLLOW_KEYWORDS
  OPTYPE_FOLLOW_TOKENS
  TABLE_INDEX_HINT_TOKENS
  VIEW_ATTRIBUTES
  WINDOW_ALIAS_TOKENS
  WINDOW_BEFORE_PAREN_TOKENS
  WINDOW_SIDES
  JSON_KEY_VALUE_SEPARATOR_TOKENS
  FETCH_TOKENS
  ADD_CONSTRAINT_TOKENS
  DISTINCT_TOKENS
  NULL_TOKENS
  UNNEST_OFFSET_ALIAS_TOKENS
  SELECT_START_TOKENS
  COPY_INTO_VARLEN_OPTIONS
  STRICT_CAST
  PREFIXED_PIVOT_COLUMNS
  IDENTIFY_PIVOT_STRINGS
  ALTER_TABLE_ADD_REQUIRED_FOR_EACH_COLUMN
  TABLESAMPLE_CSV
  DEFAULT_SAMPLING_METHOD
  SET_REQUIRES_ASSIGNMENT_DELIMITER
  TRIM_PATTERN_FIRST
  MODIFIERS_ATTACHED_TO_UNION
  UNION_MODIFIERS
  NO_PAREN_IF_COMMANDS
  JSON_ARROWS_REQUIRE_JSON_TYPE
  COLON_IS_JSON_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

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

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
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.CopyGrantsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.DateFormatColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.DefaultColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.EncodeColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.EphemeralColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ExcludeColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ExecuteAsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ExternalProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.GlobalProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.HeapProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.IcebergProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.InheritsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.InlineLengthColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.InputModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.IntervalSpan'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.JSONExtract'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.JSONExtractScalar'>: <function arrow_json_extract_sql>, <class 'sqlglot.expressions.LanguageProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.LocationProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.LogProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.MaterializedProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NonClusteredColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NoPrimaryIndexProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NotForReplicationColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnCommitProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnUpdateColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OutputModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.PathColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.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.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.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.Timestamp'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ToMap'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ToTableProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TransformModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TransientProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.UppercaseColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.UnloggedProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.VarMap'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ViewAttributeProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.VolatileProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithJournalTableProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.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.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.ParseJSON'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.Pivot'>: <function no_pivot_sql>, <class 'sqlglot.expressions.Select'>: <function preprocess.<locals>._to_sql>, <class 'sqlglot.expressions.StrPosition'>: <function strposition_to_locate_sql>, <class 'sqlglot.expressions.StrToDate'>: <function _str_to_date_sql>, <class 'sqlglot.expressions.StrToTime'>: <function _str_to_date_sql>, <class 'sqlglot.expressions.Stuff'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TableSample'>: <function no_tablesample_sql>, <class 'sqlglot.expressions.TimeFromParts'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TimestampAdd'>: <function date_add_interval_sql.<locals>.func>, <class 'sqlglot.expressions.TimestampDiff'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TimestampSub'>: <function date_add_interval_sql.<locals>.func>, <class 'sqlglot.expressions.TimeStrToUnix'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TimeStrToTime'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TimeToStr'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.Trim'>: <function _trim_sql>, <class 'sqlglot.expressions.TryCast'>: <function no_trycast_sql>, <class 'sqlglot.expressions.TsOrDsAdd'>: <function date_add_sql.<locals>.func>, <class 'sqlglot.expressions.TsOrDsDiff'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TsOrDsToDate'>: <function _ts_or_ds_to_date_sql>, <class 'sqlglot.expressions.UnixToTime'>: <function _unix_to_time_sql>, <class 'sqlglot.expressions.Week'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.WeekOfYear'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.Year'>: <function _remove_ts_or_ds_to_date.<locals>.func>}
UNSIGNED_TYPE_MAPPING = {<Type.UBIGINT: 'UBIGINT'>: 'BIGINT', <Type.UINT: 'UINT'>: 'INT', <Type.UMEDIUMINT: 'UMEDIUMINT'>: 'MEDIUMINT', <Type.USMALLINT: 'USMALLINT'>: 'SMALLINT', <Type.UTINYINT: 'UTINYINT'>: 'TINYINT', <Type.UDECIMAL: 'UDECIMAL'>: 'DECIMAL'}
TIMESTAMP_TYPE_MAPPING = {<Type.TIMESTAMP: 'TIMESTAMP'>: 'DATETIME', <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: 'TIMESTAMP', <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>: 'TIMESTAMP'}
TYPE_MAPPING = {<Type.NCHAR: 'NCHAR'>: 'CHAR', <Type.NVARCHAR: 'NVARCHAR'>: 'VARCHAR', <Type.INET: 'INET'>: 'INET', <Type.ROWVERSION: 'ROWVERSION'>: 'VARBINARY', <Type.UBIGINT: 'UBIGINT'>: 'BIGINT', <Type.UINT: 'UINT'>: 'INT', <Type.UMEDIUMINT: 'UMEDIUMINT'>: 'MEDIUMINT', <Type.USMALLINT: 'USMALLINT'>: 'SMALLINT', <Type.UTINYINT: 'UTINYINT'>: 'TINYINT', <Type.UDECIMAL: 'UDECIMAL'>: 'DECIMAL', <Type.TIMESTAMP: 'TIMESTAMP'>: 'DATETIME', <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: 'TIMESTAMP', <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>: 'TIMESTAMP'}
PROPERTIES_LOCATION = {<class 'sqlglot.expressions.AllowedValuesProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.AlgorithmProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.AutoIncrementProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.AutoRefreshProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.BackupProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.BlockCompressionProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.CharacterSetProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ChecksumProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.CollateProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.CopyGrantsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Cluster'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ClusteredByProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DataBlocksizeProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.DataDeletionProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DefinerProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.DictRange'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DictProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DistKeyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DistStyleProperty'>: <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.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.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.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 = {'over', 'spatial', 'character', 'if', 'day_hour', 'inout', 'is', 'hour_microsecond', 'sql_big_result', 'to', 'get', 'from', 'sql_calc_found_rows', 'with', 'window', 'fulltext', 'asensitive', 'index', 'dec', 'constraint', 'cume_dist', 'of', 'grouping', 'json_table', 'add', 'hour_minute', 'accessible', 'last_value', 'join', 'long', 'write', 'optimizer_costs', 'lag', 'longtext', 'row', 'bigint', 'resignal', 'iterate', 'mod', 'schema', 'insert', 'keys', 'cursor', 'both', 'call', 'high_priority', 'varcharacter', 'int', 'lines', 'loop', 'precision', 'numeric', 'convert', 'force', 'asc', 'rank', 'outfile', 'sql', 'null', 'signal', 'row_number', 'regexp', 'io_before_gtids', 'groups', 'show', 'then', 'purge', 'natural', 'int8', 'desc', 'float4', 'select', 'first_value', 'tinytext', 'varbinary', 'starting', 'leave', 'percent_rank', 'using', 'procedure', 'varchar', 'div', 'while', 'foreign', 'databases', 'drop', 'sqlstate', 'generated', 'describe', 'double', 'second_microsecond', 'values', 'elseif', 'grant', 'dual', 'no_write_to_binlog', 'current_timestamp', 'decimal', 'nth_value', 'update', 'day_second', 'separator', 'replace', 'low_priority', 'not', 'tinyint', 'out', 'set', 'schemas', 'virtual', 'and', 'day_minute', 'database', 'kill', 'restrict', 'sqlexception', 'lateral', 'minute_second', 'change', 'current_time', 'declare', 'utc_date', 'enclosed', 'io_after_gtids', 'right', 'having', 'int1', 'optimize', 'except', 'revoke', 'unlock', 'localtime', 'left', 'real', 'empty', 'mediumblob', 'rows', 'sqlwarning', 'case', 'cube', 'distinct', 'outer', 'escaped', 'rlike', 'when', 'use', 'interval', 'modifies', 'continue', 'table', 'mediumint', 'create', 'utc_time', 'middleint', 'zerofill', 'cross', 'trailing', 'ssl', 'distinctrow', 'ntile', 'on', 'like', 'localtimestamp', 'terminated', 'analyze', 'require', 'rename', 'undo', 'unique', 'order', 'else', 'inner', 'usage', 'int3', 'before', 'as', 'blob', 'return', 'specific', 'union', 'smallint', 'float8', 'sensitive', 'intersect', 'unsigned', 'condition', 'or', 'for', 'int4', 'deterministic', 'range', 'alter', 'int2', 'straight_join', 'check', 'current_user', 'read', 'integer', 'fetch', 'load', 'cascade', 'recursive', 'char', 'repeat', 'system', 'lead', 'hour_second', 'trigger', 'into', 'tinyblob', 'primary', 'all', 'day_microsecond', 'float', 'reads', 'delete', 'collate', 'release', 'explain', 'dense_rank', 'read_write', 'leading', 'by', 'mediumtext', 'stored', 'default', 'column', 'utc_timestamp', 'infile', 'group', 'minute_microsecond', 'insensitive', 'master_bind', 'binary', 'exists', 'in', 'ignore', 'references', 'xor', 'true', 'linear', 'function', 'exit', 'current_date', 'maxvalue', 'where', 'lock', 'each', 'limit', 'delayed', 'longblob', 'optionally', 'between', 'varying', 'key', 'false', 'match', 'master_ssl_verify_server_cert', 'option', 'partition', 'year_month', 'sql_small_result'}
def array_sql(self, expression: sqlglot.expressions.Array) -> str: View Source

    1121        def array_sql(self, expression: exp.Array) -> str:
    1122            self.unsupported("Arrays are not supported by MySQL")
    1123            return self.function_fallback_sql(expression)

def arraycontainsall_sql(self, expression: sqlglot.expressions.ArrayContainsAll) -> str: View Source

    1125        def arraycontainsall_sql(self, expression: exp.ArrayContainsAll) -> str:
    1126            self.unsupported("Array operations are not supported by MySQL")
    1127            return self.function_fallback_sql(expression)

def dpipe_sql(self, expression: sqlglot.expressions.DPipe) -> str: View Source

    1129        def dpipe_sql(self, expression: exp.DPipe) -> str:
    1130            return self.func("CONCAT", *expression.flatten())

def extract_sql(self, expression: sqlglot.expressions.Extract) -> str: View Source

    1132        def extract_sql(self, expression: exp.Extract) -> str:
    1133            unit = expression.name
    1134            if unit and unit.lower() == "epoch":
    1135                return self.func("UNIX_TIMESTAMP", expression.expression)
    1136
    1137            return super().extract_sql(expression)

def datatype_sql(self, expression: sqlglot.expressions.DataType) -> str: View Source

    1139        def datatype_sql(self, expression: exp.DataType) -> str:
    1140            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
    1141            result = super().datatype_sql(expression)
    1142            if expression.this in self.UNSIGNED_TYPE_MAPPING:
    1143                result = f"{result} UNSIGNED"
    1144            return result

def jsonarraycontains_sql(self, expression: sqlglot.expressions.JSONArrayContains) -> str: View Source

    1146        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
    1147            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

    1149        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
    1150            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
    1151                return self.func("TIMESTAMP", expression.this)
    1152
    1153            to = self.CAST_MAPPING.get(expression.to.this)
    1154
    1155            if to:
    1156                expression.to.set("this", to)
    1157            return super().cast_sql(expression)

def show_sql(self, expression: sqlglot.expressions.Show) -> str: View Source

    1159        def show_sql(self, expression: exp.Show) -> str:
    1160            this = f" {expression.name}"
    1161            full = " FULL" if expression.args.get("full") else ""
    1162            global_ = " GLOBAL" if expression.args.get("global") else ""
    1163
    1164            target = self.sql(expression, "target")
    1165            target = f" {target}" if target else ""
    1166            if expression.name in ("COLUMNS", "INDEX"):
    1167                target = f" FROM{target}"
    1168            elif expression.name == "GRANTS":
    1169                target = f" FOR{target}"
    1170
    1171            db = self._prefixed_sql("FROM", expression, "db")
    1172
    1173            like = self._prefixed_sql("LIKE", expression, "like")
    1174            where = self.sql(expression, "where")
    1175
    1176            types = self.expressions(expression, key="types")
    1177            types = f" {types}" if types else types
    1178            query = self._prefixed_sql("FOR QUERY", expression, "query")
    1179
    1180            if expression.name == "PROFILE":
    1181                offset = self._prefixed_sql("OFFSET", expression, "offset")
    1182                limit = self._prefixed_sql("LIMIT", expression, "limit")
    1183            else:
    1184                offset = ""
    1185                limit = self._oldstyle_limit_sql(expression)
    1186
    1187            log = self._prefixed_sql("IN", expression, "log")
    1188            position = self._prefixed_sql("FROM", expression, "position")
    1189
    1190            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
    1191
    1192            if expression.name == "ENGINE":
    1193                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
    1194            else:
    1195                mutex_or_status = ""
    1196
    1197            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

    1199        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
    1200            dtype = self.sql(expression, "dtype")
    1201            if not dtype:
    1202                return super().altercolumn_sql(expression)
    1203
    1204            this = self.sql(expression, "this")
    1205            return f"MODIFY COLUMN {this} {dtype}"

def chr_sql(self, expression: sqlglot.expressions.Chr) -> str: View Source

    1219        def chr_sql(self, expression: exp.Chr) -> str:
    1220            this = self.expressions(sqls=[expression.this] + expression.expressions)
    1221            charset = expression.args.get("charset")
    1222            using = f" USING {self.sql(charset)}" if charset else ""
    1223            return f"CHAR({this}{using})"

def timestamptrunc_sql(self, expression: sqlglot.expressions.TimestampTrunc) -> str: View Source

    1225        def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
    1226            unit = expression.args.get("unit")
    1227
    1228            # Pick an old-enough date to avoid negative timestamp diffs
    1229            start_ts = "'0000-01-01 00:00:00'"
    1230
    1231            # Source: https://stackoverflow.com/a/32955740
    1232            timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this])
    1233            interval = exp.Interval(this=timestamp_diff, unit=unit)
    1234            dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval])
    1235
    1236            return self.sql(dateadd)

SELECT_KINDS: Tuple[str, ...] = ()
TRY_SUPPORTED = False
AFTER_HAVING_MODIFIER_TRANSFORMS = {'qualify': <function Generator.<lambda>>, 'windows': <function Generator.<lambda>>}

##### Inherited Members

sqlglot.generator.Generator
  Generator
  IGNORE_NULLS_IN_FUNC
  EXPLICIT_UNION
  WRAP_DERIVED_VALUES
  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
  COLUMN_JOIN_MARKS_SUPPORTED
  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
  OUTER_UNION_MODIFIERS
  COPY_PARAMS_ARE_WRAPPED
  COPY_PARAMS_EQ_REQUIRED
  COPY_HAS_INTO_KEYWORD
  STAR_EXCEPT
  HEX_FUNC
  WITH_PROPERTIES_PREFIX
  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
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  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
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  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
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  cte_sql
  tablealias_sql
  bitstring_sql
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  bytestring_sql
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  rawstring_sql
  datatypeparam_sql
  directory_sql
  delete_sql
  drop_sql
  except_sql
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  fetch_sql
  filter_sql
  hint_sql
  indexparameters_sql
  index_sql
  identifier_sql
  hex_sql
  lowerhex_sql
  inputoutputformat_sql
  national_sql
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  properties_sql
  root_properties
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  with_properties
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  property_name
  property_sql
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  fallbackproperty_sql
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  mergeblockratioproperty_sql
  datablocksizeproperty_sql
  blockcompressionproperty_sql
  isolatedloadingproperty_sql
  partitionboundspec_sql
  partitionedofproperty_sql
  lockingproperty_sql
  withdataproperty_sql
  withsystemversioningproperty_sql
  insert_sql
  intersect_sql
  intersect_op
  introducer_sql
  kill_sql
  pseudotype_sql
  objectidentifier_sql
  onconflict_sql
  returning_sql
  rowformatdelimitedproperty_sql
  withtablehint_sql
  indextablehint_sql
  historicaldata_sql
  table_parts
  table_sql
  tablesample_sql
  pivot_sql
  version_sql
  tuple_sql
  update_sql
  values_sql
  var_sql
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  having_sql
  connect_sql
  prior_sql
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  lambda_sql
  lateral_op
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  limit_sql
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  loaddata_sql
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  cluster_sql
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  matchrecognizemeasure_sql
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  query_modifiers
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  bracket_offset_expressions
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  convert_concat_args
  concat_sql
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  check_sql
  foreignkey_sql
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  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
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  alias_sql
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  atindex_sql
  attimezone_sql
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  add_sql
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  xor_sql
  connector_sql
  bitwiseand_sql
  bitwiseleftshift_sql
  bitwisenot_sql
  bitwiseor_sql
  bitwiserightshift_sql
  bitwisexor_sql
  currentdate_sql
  currenttimestamp_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
  altertable_sql
  add_column_sql
  droppartition_sql
  addconstraint_sql
  distinct_sql
  ignorenulls_sql
  respectnulls_sql
  havingmax_sql
  intdiv_sql
  div_sql
  overlaps_sql
  distance_sql
  dot_sql
  eq_sql
  propertyeq_sql
  escape_sql
  glob_sql
  gt_sql
  gte_sql
  ilike_sql
  ilikeany_sql
  is_sql
  like_sql
  likeany_sql
  similarto_sql
  lt_sql
  lte_sql
  mod_sql
  mul_sql
  neq_sql
  nullsafeeq_sql
  nullsafeneq_sql
  slice_sql
  sub_sql
  trycast_sql
  try_sql
  log_sql
  use_sql
  binary
  function_fallback_sql
  func
  format_args
  too_wide
  format_time
  expressions
  op_expressions
  naked_property
  tag_sql
  token_sql
  userdefinedfunction_sql
  joinhint_sql
  kwarg_sql
  when_sql
  merge_sql
  tochar_sql
  tonumber_sql
  dictproperty_sql
  dictrange_sql
  dictsubproperty_sql
  oncluster_sql
  clusteredbyproperty_sql
  anyvalue_sql
  querytransform_sql
  indexconstraintoption_sql
  checkcolumnconstraint_sql
  indexcolumnconstraint_sql
  nvl2_sql
  comprehension_sql
  columnprefix_sql
  opclass_sql
  predict_sql
  forin_sql
  refresh_sql
  operator_sql
  toarray_sql
  tsordstotime_sql
  tsordstotimestamp_sql
  tsordstodate_sql
  unixdate_sql
  lastday_sql
  dateadd_sql
  arrayany_sql
  generateseries_sql
  struct_sql
  partitionrange_sql
  truncatetable_sql
  convert_sql
  copyparameter_sql
  credentials_sql
  copy_sql
  semicolon_sql
  datadeletionproperty_sql
  maskingpolicycolumnconstraint_sql
  gapfill_sql