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sqlglot.dialects.mysql

  1from __future__ import annotations
  2
  3import typing as t
  4
  5from sqlglot import exp, generator, parser, tokens, transforms
  6from sqlglot.dialects.dialect import (
  7    Dialect,
  8    NormalizationStrategy,
  9    arrow_json_extract_sql,
 10    date_add_interval_sql,
 11    datestrtodate_sql,
 12    build_formatted_time,
 13    isnull_to_is_null,
 14    locate_to_strposition,
 15    max_or_greatest,
 16    min_or_least,
 17    no_ilike_sql,
 18    no_paren_current_date_sql,
 19    no_pivot_sql,
 20    no_tablesample_sql,
 21    no_trycast_sql,
 22    build_date_delta,
 23    build_date_delta_with_interval,
 24    rename_func,
 25    strposition_to_locate_sql,
 26)
 27from sqlglot.helper import seq_get
 28from sqlglot.tokens import TokenType
 29
 30
 31def _show_parser(*args: t.Any, **kwargs: t.Any) -> t.Callable[[MySQL.Parser], exp.Show]:
 32    def _parse(self: MySQL.Parser) -> exp.Show:
 33        return self._parse_show_mysql(*args, **kwargs)
 34
 35    return _parse
 36
 37
 38def _date_trunc_sql(self: MySQL.Generator, expression: exp.DateTrunc) -> str:
 39    expr = self.sql(expression, "this")
 40    unit = expression.text("unit").upper()
 41
 42    if unit == "WEEK":
 43        concat = f"CONCAT(YEAR({expr}), ' ', WEEK({expr}, 1), ' 1')"
 44        date_format = "%Y %u %w"
 45    elif unit == "MONTH":
 46        concat = f"CONCAT(YEAR({expr}), ' ', MONTH({expr}), ' 1')"
 47        date_format = "%Y %c %e"
 48    elif unit == "QUARTER":
 49        concat = f"CONCAT(YEAR({expr}), ' ', QUARTER({expr}) * 3 - 2, ' 1')"
 50        date_format = "%Y %c %e"
 51    elif unit == "YEAR":
 52        concat = f"CONCAT(YEAR({expr}), ' 1 1')"
 53        date_format = "%Y %c %e"
 54    else:
 55        if unit != "DAY":
 56            self.unsupported(f"Unexpected interval unit: {unit}")
 57        return self.func("DATE", expr)
 58
 59    return self.func("STR_TO_DATE", concat, f"'{date_format}'")
 60
 61
 62# All specifiers for time parts (as opposed to date parts)
 63# https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html#function_date-format
 64TIME_SPECIFIERS = {"f", "H", "h", "I", "i", "k", "l", "p", "r", "S", "s", "T"}
 65
 66
 67def _has_time_specifier(date_format: str) -> bool:
 68    i = 0
 69    length = len(date_format)
 70
 71    while i < length:
 72        if date_format[i] == "%":
 73            i += 1
 74            if i < length and date_format[i] in TIME_SPECIFIERS:
 75                return True
 76        i += 1
 77    return False
 78
 79
 80def _str_to_date(args: t.List) -> exp.StrToDate | exp.StrToTime:
 81    mysql_date_format = seq_get(args, 1)
 82    date_format = MySQL.format_time(mysql_date_format)
 83    this = seq_get(args, 0)
 84
 85    if mysql_date_format and _has_time_specifier(mysql_date_format.name):
 86        return exp.StrToTime(this=this, format=date_format)
 87
 88    return exp.StrToDate(this=this, format=date_format)
 89
 90
 91def _str_to_date_sql(
 92    self: MySQL.Generator, expression: exp.StrToDate | exp.StrToTime | exp.TsOrDsToDate
 93) -> str:
 94    return self.func("STR_TO_DATE", expression.this, self.format_time(expression))
 95
 96
 97def _trim_sql(self: MySQL.Generator, expression: exp.Trim) -> str:
 98    target = self.sql(expression, "this")
 99    trim_type = self.sql(expression, "position")
100    remove_chars = self.sql(expression, "expression")
101
102    # Use TRIM/LTRIM/RTRIM syntax if the expression isn't mysql-specific
103    if not remove_chars:
104        return self.trim_sql(expression)
105
106    trim_type = f"{trim_type} " if trim_type else ""
107    remove_chars = f"{remove_chars} " if remove_chars else ""
108    from_part = "FROM " if trim_type or remove_chars else ""
109    return f"TRIM({trim_type}{remove_chars}{from_part}{target})"
110
111
112def _date_add_sql(
113    kind: str,
114) -> t.Callable[[MySQL.Generator, exp.Expression], str]:
115    def func(self: MySQL.Generator, expression: exp.Expression) -> str:
116        this = self.sql(expression, "this")
117        unit = expression.text("unit").upper() or "DAY"
118        return (
119            f"DATE_{kind}({this}, {self.sql(exp.Interval(this=expression.expression, unit=unit))})"
120        )
121
122    return func
123
124
125def _ts_or_ds_to_date_sql(self: MySQL.Generator, expression: exp.TsOrDsToDate) -> str:
126    time_format = expression.args.get("format")
127    return _str_to_date_sql(self, expression) if time_format else self.func("DATE", expression.this)
128
129
130def _remove_ts_or_ds_to_date(
131    to_sql: t.Optional[t.Callable[[MySQL.Generator, exp.Expression], str]] = None,
132    args: t.Tuple[str, ...] = ("this",),
133) -> t.Callable[[MySQL.Generator, exp.Func], str]:
134    def func(self: MySQL.Generator, expression: exp.Func) -> str:
135        for arg_key in args:
136            arg = expression.args.get(arg_key)
137            if isinstance(arg, exp.TsOrDsToDate) and not arg.args.get("format"):
138                expression.set(arg_key, arg.this)
139
140        return to_sql(self, expression) if to_sql else self.function_fallback_sql(expression)
141
142    return func
143
144
145class MySQL(Dialect):
146    # https://dev.mysql.com/doc/refman/8.0/en/identifiers.html
147    IDENTIFIERS_CAN_START_WITH_DIGIT = True
148
149    # We default to treating all identifiers as case-sensitive, since it matches MySQL's
150    # behavior on Linux systems. For MacOS and Windows systems, one can override this
151    # setting by specifying `dialect="mysql, normalization_strategy = lowercase"`.
152    #
153    # See also https://dev.mysql.com/doc/refman/8.2/en/identifier-case-sensitivity.html
154    NORMALIZATION_STRATEGY = NormalizationStrategy.CASE_SENSITIVE
155
156    TIME_FORMAT = "'%Y-%m-%d %T'"
157    DPIPE_IS_STRING_CONCAT = False
158    SUPPORTS_USER_DEFINED_TYPES = False
159    SUPPORTS_SEMI_ANTI_JOIN = False
160    SAFE_DIVISION = True
161
162    # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions
163    TIME_MAPPING = {
164        "%M": "%B",
165        "%c": "%-m",
166        "%e": "%-d",
167        "%h": "%I",
168        "%i": "%M",
169        "%s": "%S",
170        "%u": "%W",
171        "%k": "%-H",
172        "%l": "%-I",
173        "%T": "%H:%M:%S",
174        "%W": "%a",
175    }
176
177    class Tokenizer(tokens.Tokenizer):
178        QUOTES = ["'", '"']
179        COMMENTS = ["--", "#", ("/*", "*/")]
180        IDENTIFIERS = ["`"]
181        STRING_ESCAPES = ["'", '"', "\\"]
182        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
183        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
184
185        KEYWORDS = {
186            **tokens.Tokenizer.KEYWORDS,
187            "CHARSET": TokenType.CHARACTER_SET,
188            "FORCE": TokenType.FORCE,
189            "IGNORE": TokenType.IGNORE,
190            "LOCK TABLES": TokenType.COMMAND,
191            "LONGBLOB": TokenType.LONGBLOB,
192            "LONGTEXT": TokenType.LONGTEXT,
193            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
194            "TINYBLOB": TokenType.TINYBLOB,
195            "TINYTEXT": TokenType.TINYTEXT,
196            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
197            "MEDIUMINT": TokenType.MEDIUMINT,
198            "MEMBER OF": TokenType.MEMBER_OF,
199            "SEPARATOR": TokenType.SEPARATOR,
200            "START": TokenType.BEGIN,
201            "SIGNED": TokenType.BIGINT,
202            "SIGNED INTEGER": TokenType.BIGINT,
203            "UNLOCK TABLES": TokenType.COMMAND,
204            "UNSIGNED": TokenType.UBIGINT,
205            "UNSIGNED INTEGER": TokenType.UBIGINT,
206            "YEAR": TokenType.YEAR,
207            "_ARMSCII8": TokenType.INTRODUCER,
208            "_ASCII": TokenType.INTRODUCER,
209            "_BIG5": TokenType.INTRODUCER,
210            "_BINARY": TokenType.INTRODUCER,
211            "_CP1250": TokenType.INTRODUCER,
212            "_CP1251": TokenType.INTRODUCER,
213            "_CP1256": TokenType.INTRODUCER,
214            "_CP1257": TokenType.INTRODUCER,
215            "_CP850": TokenType.INTRODUCER,
216            "_CP852": TokenType.INTRODUCER,
217            "_CP866": TokenType.INTRODUCER,
218            "_CP932": TokenType.INTRODUCER,
219            "_DEC8": TokenType.INTRODUCER,
220            "_EUCJPMS": TokenType.INTRODUCER,
221            "_EUCKR": TokenType.INTRODUCER,
222            "_GB18030": TokenType.INTRODUCER,
223            "_GB2312": TokenType.INTRODUCER,
224            "_GBK": TokenType.INTRODUCER,
225            "_GEOSTD8": TokenType.INTRODUCER,
226            "_GREEK": TokenType.INTRODUCER,
227            "_HEBREW": TokenType.INTRODUCER,
228            "_HP8": TokenType.INTRODUCER,
229            "_KEYBCS2": TokenType.INTRODUCER,
230            "_KOI8R": TokenType.INTRODUCER,
231            "_KOI8U": TokenType.INTRODUCER,
232            "_LATIN1": TokenType.INTRODUCER,
233            "_LATIN2": TokenType.INTRODUCER,
234            "_LATIN5": TokenType.INTRODUCER,
235            "_LATIN7": TokenType.INTRODUCER,
236            "_MACCE": TokenType.INTRODUCER,
237            "_MACROMAN": TokenType.INTRODUCER,
238            "_SJIS": TokenType.INTRODUCER,
239            "_SWE7": TokenType.INTRODUCER,
240            "_TIS620": TokenType.INTRODUCER,
241            "_UCS2": TokenType.INTRODUCER,
242            "_UJIS": TokenType.INTRODUCER,
243            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
244            "_UTF8": TokenType.INTRODUCER,
245            "_UTF16": TokenType.INTRODUCER,
246            "_UTF16LE": TokenType.INTRODUCER,
247            "_UTF32": TokenType.INTRODUCER,
248            "_UTF8MB3": TokenType.INTRODUCER,
249            "_UTF8MB4": TokenType.INTRODUCER,
250            "@@": TokenType.SESSION_PARAMETER,
251        }
252
253        COMMANDS = tokens.Tokenizer.COMMANDS - {TokenType.SHOW}
254
255    class Parser(parser.Parser):
256        FUNC_TOKENS = {
257            *parser.Parser.FUNC_TOKENS,
258            TokenType.DATABASE,
259            TokenType.SCHEMA,
260            TokenType.VALUES,
261        }
262
263        CONJUNCTION = {
264            **parser.Parser.CONJUNCTION,
265            TokenType.DAMP: exp.And,
266            TokenType.XOR: exp.Xor,
267            TokenType.DPIPE: exp.Or,
268        }
269
270        TABLE_ALIAS_TOKENS = (
271            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
272        )
273
274        RANGE_PARSERS = {
275            **parser.Parser.RANGE_PARSERS,
276            TokenType.MEMBER_OF: lambda self, this: self.expression(
277                exp.JSONArrayContains,
278                this=this,
279                expression=self._parse_wrapped(self._parse_expression),
280            ),
281        }
282
283        FUNCTIONS = {
284            **parser.Parser.FUNCTIONS,
285            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
286            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
287            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
288            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
289            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
290            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
291            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
292            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
293            "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)),
294            "ISNULL": isnull_to_is_null,
295            "LOCATE": locate_to_strposition,
296            "MAKETIME": exp.TimeFromParts.from_arg_list,
297            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
298            "MONTHNAME": lambda args: exp.TimeToStr(
299                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
300                format=exp.Literal.string("%B"),
301            ),
302            "STR_TO_DATE": _str_to_date,
303            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
304            "TO_DAYS": lambda args: exp.paren(
305                exp.DateDiff(
306                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
307                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
308                    unit=exp.var("DAY"),
309                )
310                + 1
311            ),
312            "WEEK": lambda args: exp.Week(
313                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
314            ),
315            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
316            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
317        }
318
319        FUNCTION_PARSERS = {
320            **parser.Parser.FUNCTION_PARSERS,
321            "CHAR": lambda self: self._parse_chr(),
322            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
323            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
324            "VALUES": lambda self: self.expression(
325                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
326            ),
327        }
328
329        STATEMENT_PARSERS = {
330            **parser.Parser.STATEMENT_PARSERS,
331            TokenType.SHOW: lambda self: self._parse_show(),
332        }
333
334        SHOW_PARSERS = {
335            "BINARY LOGS": _show_parser("BINARY LOGS"),
336            "MASTER LOGS": _show_parser("BINARY LOGS"),
337            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
338            "CHARACTER SET": _show_parser("CHARACTER SET"),
339            "CHARSET": _show_parser("CHARACTER SET"),
340            "COLLATION": _show_parser("COLLATION"),
341            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
342            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
343            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
344            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
345            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
346            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
347            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
348            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
349            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
350            "DATABASES": _show_parser("DATABASES"),
351            "SCHEMAS": _show_parser("DATABASES"),
352            "ENGINE": _show_parser("ENGINE", target=True),
353            "STORAGE ENGINES": _show_parser("ENGINES"),
354            "ENGINES": _show_parser("ENGINES"),
355            "ERRORS": _show_parser("ERRORS"),
356            "EVENTS": _show_parser("EVENTS"),
357            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
358            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
359            "GRANTS": _show_parser("GRANTS", target="FOR"),
360            "INDEX": _show_parser("INDEX", target="FROM"),
361            "MASTER STATUS": _show_parser("MASTER STATUS"),
362            "OPEN TABLES": _show_parser("OPEN TABLES"),
363            "PLUGINS": _show_parser("PLUGINS"),
364            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
365            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
366            "PRIVILEGES": _show_parser("PRIVILEGES"),
367            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
368            "PROCESSLIST": _show_parser("PROCESSLIST"),
369            "PROFILE": _show_parser("PROFILE"),
370            "PROFILES": _show_parser("PROFILES"),
371            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
372            "REPLICAS": _show_parser("REPLICAS"),
373            "SLAVE HOSTS": _show_parser("REPLICAS"),
374            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
375            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
376            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
377            "SESSION STATUS": _show_parser("STATUS"),
378            "STATUS": _show_parser("STATUS"),
379            "TABLE STATUS": _show_parser("TABLE STATUS"),
380            "FULL TABLES": _show_parser("TABLES", full=True),
381            "TABLES": _show_parser("TABLES"),
382            "TRIGGERS": _show_parser("TRIGGERS"),
383            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
384            "SESSION VARIABLES": _show_parser("VARIABLES"),
385            "VARIABLES": _show_parser("VARIABLES"),
386            "WARNINGS": _show_parser("WARNINGS"),
387        }
388
389        PROPERTY_PARSERS = {
390            **parser.Parser.PROPERTY_PARSERS,
391            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
392        }
393
394        SET_PARSERS = {
395            **parser.Parser.SET_PARSERS,
396            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
397            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
398            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
399            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
400            "NAMES": lambda self: self._parse_set_item_names(),
401        }
402
403        CONSTRAINT_PARSERS = {
404            **parser.Parser.CONSTRAINT_PARSERS,
405            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
406            "INDEX": lambda self: self._parse_index_constraint(),
407            "KEY": lambda self: self._parse_index_constraint(),
408            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
409        }
410
411        SCHEMA_UNNAMED_CONSTRAINTS = {
412            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
413            "FULLTEXT",
414            "INDEX",
415            "KEY",
416            "SPATIAL",
417        }
418
419        PROFILE_TYPES: parser.OPTIONS_TYPE = {
420            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
421            "BLOCK": ("IO",),
422            "CONTEXT": ("SWITCHES",),
423            "PAGE": ("FAULTS",),
424        }
425
426        TYPE_TOKENS = {
427            *parser.Parser.TYPE_TOKENS,
428            TokenType.SET,
429        }
430
431        ENUM_TYPE_TOKENS = {
432            *parser.Parser.ENUM_TYPE_TOKENS,
433            TokenType.SET,
434        }
435
436        LOG_DEFAULTS_TO_LN = True
437        STRING_ALIASES = True
438        VALUES_FOLLOWED_BY_PAREN = False
439
440        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
441            this = self._parse_id_var()
442            if not self._match(TokenType.L_PAREN):
443                return this
444
445            expression = self._parse_number()
446            self._match_r_paren()
447            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
448
449        def _parse_index_constraint(
450            self, kind: t.Optional[str] = None
451        ) -> exp.IndexColumnConstraint:
452            if kind:
453                self._match_texts(("INDEX", "KEY"))
454
455            this = self._parse_id_var(any_token=False)
456            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
457            schema = self._parse_schema()
458
459            options = []
460            while True:
461                if self._match_text_seq("KEY_BLOCK_SIZE"):
462                    self._match(TokenType.EQ)
463                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
464                elif self._match(TokenType.USING):
465                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
466                elif self._match_text_seq("WITH", "PARSER"):
467                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
468                elif self._match(TokenType.COMMENT):
469                    opt = exp.IndexConstraintOption(comment=self._parse_string())
470                elif self._match_text_seq("VISIBLE"):
471                    opt = exp.IndexConstraintOption(visible=True)
472                elif self._match_text_seq("INVISIBLE"):
473                    opt = exp.IndexConstraintOption(visible=False)
474                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
475                    self._match(TokenType.EQ)
476                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
477                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
478                    self._match(TokenType.EQ)
479                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
480                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
481                    self._match(TokenType.EQ)
482                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
483                else:
484                    opt = None
485
486                if not opt:
487                    break
488
489                options.append(opt)
490
491            return self.expression(
492                exp.IndexColumnConstraint,
493                this=this,
494                schema=schema,
495                kind=kind,
496                index_type=index_type,
497                options=options,
498            )
499
500        def _parse_show_mysql(
501            self,
502            this: str,
503            target: bool | str = False,
504            full: t.Optional[bool] = None,
505            global_: t.Optional[bool] = None,
506        ) -> exp.Show:
507            if target:
508                if isinstance(target, str):
509                    self._match_text_seq(target)
510                target_id = self._parse_id_var()
511            else:
512                target_id = None
513
514            log = self._parse_string() if self._match_text_seq("IN") else None
515
516            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
517                position = self._parse_number() if self._match_text_seq("FROM") else None
518                db = None
519            else:
520                position = None
521                db = None
522
523                if self._match(TokenType.FROM):
524                    db = self._parse_id_var()
525                elif self._match(TokenType.DOT):
526                    db = target_id
527                    target_id = self._parse_id_var()
528
529            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
530
531            like = self._parse_string() if self._match_text_seq("LIKE") else None
532            where = self._parse_where()
533
534            if this == "PROFILE":
535                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
536                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
537                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
538                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
539            else:
540                types, query = None, None
541                offset, limit = self._parse_oldstyle_limit()
542
543            mutex = True if self._match_text_seq("MUTEX") else None
544            mutex = False if self._match_text_seq("STATUS") else mutex
545
546            return self.expression(
547                exp.Show,
548                this=this,
549                target=target_id,
550                full=full,
551                log=log,
552                position=position,
553                db=db,
554                channel=channel,
555                like=like,
556                where=where,
557                types=types,
558                query=query,
559                offset=offset,
560                limit=limit,
561                mutex=mutex,
562                **{"global": global_},  # type: ignore
563            )
564
565        def _parse_oldstyle_limit(
566            self,
567        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
568            limit = None
569            offset = None
570            if self._match_text_seq("LIMIT"):
571                parts = self._parse_csv(self._parse_number)
572                if len(parts) == 1:
573                    limit = parts[0]
574                elif len(parts) == 2:
575                    limit = parts[1]
576                    offset = parts[0]
577
578            return offset, limit
579
580        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
581            this = self._parse_string() or self._parse_id_var()
582            return self.expression(exp.SetItem, this=this, kind=kind)
583
584        def _parse_set_item_names(self) -> exp.Expression:
585            charset = self._parse_string() or self._parse_id_var()
586            if self._match_text_seq("COLLATE"):
587                collate = self._parse_string() or self._parse_id_var()
588            else:
589                collate = None
590
591            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
592
593        def _parse_type(self, parse_interval: bool = True) -> t.Optional[exp.Expression]:
594            # mysql binary is special and can work anywhere, even in order by operations
595            # it operates like a no paren func
596            if self._match(TokenType.BINARY, advance=False):
597                data_type = self._parse_types(check_func=True, allow_identifiers=False)
598
599                if isinstance(data_type, exp.DataType):
600                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
601
602            return super()._parse_type(parse_interval=parse_interval)
603
604        def _parse_chr(self) -> t.Optional[exp.Expression]:
605            expressions = self._parse_csv(self._parse_conjunction)
606            kwargs: t.Dict[str, t.Any] = {"this": seq_get(expressions, 0)}
607
608            if len(expressions) > 1:
609                kwargs["expressions"] = expressions[1:]
610
611            if self._match(TokenType.USING):
612                kwargs["charset"] = self._parse_var()
613
614            return self.expression(exp.Chr, **kwargs)
615
616        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
617            def concat_exprs(
618                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
619            ) -> exp.Expression:
620                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
621                    concat_exprs = [
622                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
623                    ]
624                    node.set("expressions", concat_exprs)
625                    return node
626                if len(exprs) == 1:
627                    return exprs[0]
628                return self.expression(exp.Concat, expressions=args, safe=True)
629
630            args = self._parse_csv(self._parse_lambda)
631
632            if args:
633                order = args[-1] if isinstance(args[-1], exp.Order) else None
634
635                if order:
636                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
637                    # remove 'expr' from exp.Order and add it back to args
638                    args[-1] = order.this
639                    order.set("this", concat_exprs(order.this, args))
640
641                this = order or concat_exprs(args[0], args)
642            else:
643                this = None
644
645            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
646
647            return self.expression(exp.GroupConcat, this=this, separator=separator)
648
649    class Generator(generator.Generator):
650        LOCKING_READS_SUPPORTED = True
651        NULL_ORDERING_SUPPORTED = None
652        JOIN_HINTS = False
653        TABLE_HINTS = True
654        DUPLICATE_KEY_UPDATE_WITH_SET = False
655        QUERY_HINT_SEP = " "
656        VALUES_AS_TABLE = False
657        NVL2_SUPPORTED = False
658        LAST_DAY_SUPPORTS_DATE_PART = False
659        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
660        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
661        JSON_KEY_VALUE_PAIR_SEP = ","
662        SUPPORTS_TO_NUMBER = False
663
664        TRANSFORMS = {
665            **generator.Generator.TRANSFORMS,
666            exp.CurrentDate: no_paren_current_date_sql,
667            exp.DateDiff: _remove_ts_or_ds_to_date(
668                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
669            ),
670            exp.DateAdd: _remove_ts_or_ds_to_date(_date_add_sql("ADD")),
671            exp.DateStrToDate: datestrtodate_sql,
672            exp.DateSub: _remove_ts_or_ds_to_date(_date_add_sql("SUB")),
673            exp.DateTrunc: _date_trunc_sql,
674            exp.Day: _remove_ts_or_ds_to_date(),
675            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
676            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
677            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
678            exp.GroupConcat: lambda self,
679            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
680            exp.ILike: no_ilike_sql,
681            exp.JSONExtractScalar: arrow_json_extract_sql,
682            exp.Max: max_or_greatest,
683            exp.Min: min_or_least,
684            exp.Month: _remove_ts_or_ds_to_date(),
685            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
686            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
687            exp.ParseJSON: lambda self, e: self.sql(e, "this"),
688            exp.Pivot: no_pivot_sql,
689            exp.Select: transforms.preprocess(
690                [
691                    transforms.eliminate_distinct_on,
692                    transforms.eliminate_semi_and_anti_joins,
693                    transforms.eliminate_qualify,
694                    transforms.eliminate_full_outer_join,
695                ]
696            ),
697            exp.StrPosition: strposition_to_locate_sql,
698            exp.StrToDate: _str_to_date_sql,
699            exp.StrToTime: _str_to_date_sql,
700            exp.Stuff: rename_func("INSERT"),
701            exp.TableSample: no_tablesample_sql,
702            exp.TimeFromParts: rename_func("MAKETIME"),
703            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
704            exp.TimestampDiff: lambda self, e: self.func(
705                "TIMESTAMPDIFF", e.text("unit"), e.expression, e.this
706            ),
707            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
708            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
709            exp.TimeStrToTime: lambda self, e: self.sql(exp.cast(e.this, "datetime", copy=True)),
710            exp.TimeToStr: _remove_ts_or_ds_to_date(
711                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
712            ),
713            exp.Trim: _trim_sql,
714            exp.TryCast: no_trycast_sql,
715            exp.TsOrDsAdd: _date_add_sql("ADD"),
716            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
717            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
718            exp.Week: _remove_ts_or_ds_to_date(),
719            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
720            exp.Year: _remove_ts_or_ds_to_date(),
721        }
722
723        UNSIGNED_TYPE_MAPPING = {
724            exp.DataType.Type.UBIGINT: "BIGINT",
725            exp.DataType.Type.UINT: "INT",
726            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
727            exp.DataType.Type.USMALLINT: "SMALLINT",
728            exp.DataType.Type.UTINYINT: "TINYINT",
729            exp.DataType.Type.UDECIMAL: "DECIMAL",
730        }
731
732        TIMESTAMP_TYPE_MAPPING = {
733            exp.DataType.Type.TIMESTAMP: "DATETIME",
734            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
735            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
736        }
737
738        TYPE_MAPPING = {
739            **generator.Generator.TYPE_MAPPING,
740            **UNSIGNED_TYPE_MAPPING,
741            **TIMESTAMP_TYPE_MAPPING,
742        }
743
744        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
745        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
746        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
747        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
748        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
749        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
750
751        PROPERTIES_LOCATION = {
752            **generator.Generator.PROPERTIES_LOCATION,
753            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
754            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
755        }
756
757        LIMIT_FETCH = "LIMIT"
758
759        LIMIT_ONLY_LITERALS = True
760
761        # MySQL doesn't support many datatypes in cast.
762        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
763        CAST_MAPPING = {
764            exp.DataType.Type.BIGINT: "SIGNED",
765            exp.DataType.Type.BOOLEAN: "SIGNED",
766            exp.DataType.Type.INT: "SIGNED",
767            exp.DataType.Type.TEXT: "CHAR",
768            exp.DataType.Type.UBIGINT: "UNSIGNED",
769            exp.DataType.Type.VARCHAR: "CHAR",
770        }
771
772        TIMESTAMP_FUNC_TYPES = {
773            exp.DataType.Type.TIMESTAMPTZ,
774            exp.DataType.Type.TIMESTAMPLTZ,
775        }
776
777        def datatype_sql(self, expression: exp.DataType) -> str:
778            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
779            result = super().datatype_sql(expression)
780            if expression.this in self.UNSIGNED_TYPE_MAPPING:
781                result = f"{result} UNSIGNED"
782            return result
783
784        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
785            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
786
787        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
788            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
789                return self.func("TIMESTAMP", expression.this)
790
791            to = self.CAST_MAPPING.get(expression.to.this)
792
793            if to:
794                expression.to.set("this", to)
795            return super().cast_sql(expression)
796
797        def show_sql(self, expression: exp.Show) -> str:
798            this = f" {expression.name}"
799            full = " FULL" if expression.args.get("full") else ""
800            global_ = " GLOBAL" if expression.args.get("global") else ""
801
802            target = self.sql(expression, "target")
803            target = f" {target}" if target else ""
804            if expression.name in ("COLUMNS", "INDEX"):
805                target = f" FROM{target}"
806            elif expression.name == "GRANTS":
807                target = f" FOR{target}"
808
809            db = self._prefixed_sql("FROM", expression, "db")
810
811            like = self._prefixed_sql("LIKE", expression, "like")
812            where = self.sql(expression, "where")
813
814            types = self.expressions(expression, key="types")
815            types = f" {types}" if types else types
816            query = self._prefixed_sql("FOR QUERY", expression, "query")
817
818            if expression.name == "PROFILE":
819                offset = self._prefixed_sql("OFFSET", expression, "offset")
820                limit = self._prefixed_sql("LIMIT", expression, "limit")
821            else:
822                offset = ""
823                limit = self._oldstyle_limit_sql(expression)
824
825            log = self._prefixed_sql("IN", expression, "log")
826            position = self._prefixed_sql("FROM", expression, "position")
827
828            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
829
830            if expression.name == "ENGINE":
831                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
832            else:
833                mutex_or_status = ""
834
835            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
836
837        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
838            dtype = self.sql(expression, "dtype")
839            if not dtype:
840                return super().altercolumn_sql(expression)
841
842            this = self.sql(expression, "this")
843            return f"MODIFY COLUMN {this} {dtype}"
844
845        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
846            sql = self.sql(expression, arg)
847            return f" {prefix} {sql}" if sql else ""
848
849        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
850            limit = self.sql(expression, "limit")
851            offset = self.sql(expression, "offset")
852            if limit:
853                limit_offset = f"{offset}, {limit}" if offset else limit
854                return f" LIMIT {limit_offset}"
855            return ""
856
857        def chr_sql(self, expression: exp.Chr) -> str:
858            this = self.expressions(sqls=[expression.this] + expression.expressions)
859            charset = expression.args.get("charset")
860            using = f" USING {self.sql(charset)}" if charset else ""
861            return f"CHAR({this}{using})"
TIME_SPECIFIERS = {'l', 'p', 'h', 'I', 'f', 'T', 'H', 'r', 'k', 'i', 's', 'S'}
class MySQL(sqlglot.dialects.dialect.Dialect):
146class MySQL(Dialect):
147    # https://dev.mysql.com/doc/refman/8.0/en/identifiers.html
148    IDENTIFIERS_CAN_START_WITH_DIGIT = True
149
150    # We default to treating all identifiers as case-sensitive, since it matches MySQL's
151    # behavior on Linux systems. For MacOS and Windows systems, one can override this
152    # setting by specifying `dialect="mysql, normalization_strategy = lowercase"`.
153    #
154    # See also https://dev.mysql.com/doc/refman/8.2/en/identifier-case-sensitivity.html
155    NORMALIZATION_STRATEGY = NormalizationStrategy.CASE_SENSITIVE
156
157    TIME_FORMAT = "'%Y-%m-%d %T'"
158    DPIPE_IS_STRING_CONCAT = False
159    SUPPORTS_USER_DEFINED_TYPES = False
160    SUPPORTS_SEMI_ANTI_JOIN = False
161    SAFE_DIVISION = True
162
163    # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions
164    TIME_MAPPING = {
165        "%M": "%B",
166        "%c": "%-m",
167        "%e": "%-d",
168        "%h": "%I",
169        "%i": "%M",
170        "%s": "%S",
171        "%u": "%W",
172        "%k": "%-H",
173        "%l": "%-I",
174        "%T": "%H:%M:%S",
175        "%W": "%a",
176    }
177
178    class Tokenizer(tokens.Tokenizer):
179        QUOTES = ["'", '"']
180        COMMENTS = ["--", "#", ("/*", "*/")]
181        IDENTIFIERS = ["`"]
182        STRING_ESCAPES = ["'", '"', "\\"]
183        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
184        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
185
186        KEYWORDS = {
187            **tokens.Tokenizer.KEYWORDS,
188            "CHARSET": TokenType.CHARACTER_SET,
189            "FORCE": TokenType.FORCE,
190            "IGNORE": TokenType.IGNORE,
191            "LOCK TABLES": TokenType.COMMAND,
192            "LONGBLOB": TokenType.LONGBLOB,
193            "LONGTEXT": TokenType.LONGTEXT,
194            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
195            "TINYBLOB": TokenType.TINYBLOB,
196            "TINYTEXT": TokenType.TINYTEXT,
197            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
198            "MEDIUMINT": TokenType.MEDIUMINT,
199            "MEMBER OF": TokenType.MEMBER_OF,
200            "SEPARATOR": TokenType.SEPARATOR,
201            "START": TokenType.BEGIN,
202            "SIGNED": TokenType.BIGINT,
203            "SIGNED INTEGER": TokenType.BIGINT,
204            "UNLOCK TABLES": TokenType.COMMAND,
205            "UNSIGNED": TokenType.UBIGINT,
206            "UNSIGNED INTEGER": TokenType.UBIGINT,
207            "YEAR": TokenType.YEAR,
208            "_ARMSCII8": TokenType.INTRODUCER,
209            "_ASCII": TokenType.INTRODUCER,
210            "_BIG5": TokenType.INTRODUCER,
211            "_BINARY": TokenType.INTRODUCER,
212            "_CP1250": TokenType.INTRODUCER,
213            "_CP1251": TokenType.INTRODUCER,
214            "_CP1256": TokenType.INTRODUCER,
215            "_CP1257": TokenType.INTRODUCER,
216            "_CP850": TokenType.INTRODUCER,
217            "_CP852": TokenType.INTRODUCER,
218            "_CP866": TokenType.INTRODUCER,
219            "_CP932": TokenType.INTRODUCER,
220            "_DEC8": TokenType.INTRODUCER,
221            "_EUCJPMS": TokenType.INTRODUCER,
222            "_EUCKR": TokenType.INTRODUCER,
223            "_GB18030": TokenType.INTRODUCER,
224            "_GB2312": TokenType.INTRODUCER,
225            "_GBK": TokenType.INTRODUCER,
226            "_GEOSTD8": TokenType.INTRODUCER,
227            "_GREEK": TokenType.INTRODUCER,
228            "_HEBREW": TokenType.INTRODUCER,
229            "_HP8": TokenType.INTRODUCER,
230            "_KEYBCS2": TokenType.INTRODUCER,
231            "_KOI8R": TokenType.INTRODUCER,
232            "_KOI8U": TokenType.INTRODUCER,
233            "_LATIN1": TokenType.INTRODUCER,
234            "_LATIN2": TokenType.INTRODUCER,
235            "_LATIN5": TokenType.INTRODUCER,
236            "_LATIN7": TokenType.INTRODUCER,
237            "_MACCE": TokenType.INTRODUCER,
238            "_MACROMAN": TokenType.INTRODUCER,
239            "_SJIS": TokenType.INTRODUCER,
240            "_SWE7": TokenType.INTRODUCER,
241            "_TIS620": TokenType.INTRODUCER,
242            "_UCS2": TokenType.INTRODUCER,
243            "_UJIS": TokenType.INTRODUCER,
244            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
245            "_UTF8": TokenType.INTRODUCER,
246            "_UTF16": TokenType.INTRODUCER,
247            "_UTF16LE": TokenType.INTRODUCER,
248            "_UTF32": TokenType.INTRODUCER,
249            "_UTF8MB3": TokenType.INTRODUCER,
250            "_UTF8MB4": TokenType.INTRODUCER,
251            "@@": TokenType.SESSION_PARAMETER,
252        }
253
254        COMMANDS = tokens.Tokenizer.COMMANDS - {TokenType.SHOW}
255
256    class Parser(parser.Parser):
257        FUNC_TOKENS = {
258            *parser.Parser.FUNC_TOKENS,
259            TokenType.DATABASE,
260            TokenType.SCHEMA,
261            TokenType.VALUES,
262        }
263
264        CONJUNCTION = {
265            **parser.Parser.CONJUNCTION,
266            TokenType.DAMP: exp.And,
267            TokenType.XOR: exp.Xor,
268            TokenType.DPIPE: exp.Or,
269        }
270
271        TABLE_ALIAS_TOKENS = (
272            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
273        )
274
275        RANGE_PARSERS = {
276            **parser.Parser.RANGE_PARSERS,
277            TokenType.MEMBER_OF: lambda self, this: self.expression(
278                exp.JSONArrayContains,
279                this=this,
280                expression=self._parse_wrapped(self._parse_expression),
281            ),
282        }
283
284        FUNCTIONS = {
285            **parser.Parser.FUNCTIONS,
286            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
287            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
288            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
289            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
290            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
291            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
292            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
293            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
294            "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)),
295            "ISNULL": isnull_to_is_null,
296            "LOCATE": locate_to_strposition,
297            "MAKETIME": exp.TimeFromParts.from_arg_list,
298            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
299            "MONTHNAME": lambda args: exp.TimeToStr(
300                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
301                format=exp.Literal.string("%B"),
302            ),
303            "STR_TO_DATE": _str_to_date,
304            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
305            "TO_DAYS": lambda args: exp.paren(
306                exp.DateDiff(
307                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
308                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
309                    unit=exp.var("DAY"),
310                )
311                + 1
312            ),
313            "WEEK": lambda args: exp.Week(
314                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
315            ),
316            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
317            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
318        }
319
320        FUNCTION_PARSERS = {
321            **parser.Parser.FUNCTION_PARSERS,
322            "CHAR": lambda self: self._parse_chr(),
323            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
324            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
325            "VALUES": lambda self: self.expression(
326                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
327            ),
328        }
329
330        STATEMENT_PARSERS = {
331            **parser.Parser.STATEMENT_PARSERS,
332            TokenType.SHOW: lambda self: self._parse_show(),
333        }
334
335        SHOW_PARSERS = {
336            "BINARY LOGS": _show_parser("BINARY LOGS"),
337            "MASTER LOGS": _show_parser("BINARY LOGS"),
338            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
339            "CHARACTER SET": _show_parser("CHARACTER SET"),
340            "CHARSET": _show_parser("CHARACTER SET"),
341            "COLLATION": _show_parser("COLLATION"),
342            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
343            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
344            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
345            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
346            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
347            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
348            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
349            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
350            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
351            "DATABASES": _show_parser("DATABASES"),
352            "SCHEMAS": _show_parser("DATABASES"),
353            "ENGINE": _show_parser("ENGINE", target=True),
354            "STORAGE ENGINES": _show_parser("ENGINES"),
355            "ENGINES": _show_parser("ENGINES"),
356            "ERRORS": _show_parser("ERRORS"),
357            "EVENTS": _show_parser("EVENTS"),
358            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
359            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
360            "GRANTS": _show_parser("GRANTS", target="FOR"),
361            "INDEX": _show_parser("INDEX", target="FROM"),
362            "MASTER STATUS": _show_parser("MASTER STATUS"),
363            "OPEN TABLES": _show_parser("OPEN TABLES"),
364            "PLUGINS": _show_parser("PLUGINS"),
365            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
366            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
367            "PRIVILEGES": _show_parser("PRIVILEGES"),
368            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
369            "PROCESSLIST": _show_parser("PROCESSLIST"),
370            "PROFILE": _show_parser("PROFILE"),
371            "PROFILES": _show_parser("PROFILES"),
372            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
373            "REPLICAS": _show_parser("REPLICAS"),
374            "SLAVE HOSTS": _show_parser("REPLICAS"),
375            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
376            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
377            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
378            "SESSION STATUS": _show_parser("STATUS"),
379            "STATUS": _show_parser("STATUS"),
380            "TABLE STATUS": _show_parser("TABLE STATUS"),
381            "FULL TABLES": _show_parser("TABLES", full=True),
382            "TABLES": _show_parser("TABLES"),
383            "TRIGGERS": _show_parser("TRIGGERS"),
384            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
385            "SESSION VARIABLES": _show_parser("VARIABLES"),
386            "VARIABLES": _show_parser("VARIABLES"),
387            "WARNINGS": _show_parser("WARNINGS"),
388        }
389
390        PROPERTY_PARSERS = {
391            **parser.Parser.PROPERTY_PARSERS,
392            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
393        }
394
395        SET_PARSERS = {
396            **parser.Parser.SET_PARSERS,
397            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
398            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
399            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
400            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
401            "NAMES": lambda self: self._parse_set_item_names(),
402        }
403
404        CONSTRAINT_PARSERS = {
405            **parser.Parser.CONSTRAINT_PARSERS,
406            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
407            "INDEX": lambda self: self._parse_index_constraint(),
408            "KEY": lambda self: self._parse_index_constraint(),
409            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
410        }
411
412        SCHEMA_UNNAMED_CONSTRAINTS = {
413            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
414            "FULLTEXT",
415            "INDEX",
416            "KEY",
417            "SPATIAL",
418        }
419
420        PROFILE_TYPES: parser.OPTIONS_TYPE = {
421            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
422            "BLOCK": ("IO",),
423            "CONTEXT": ("SWITCHES",),
424            "PAGE": ("FAULTS",),
425        }
426
427        TYPE_TOKENS = {
428            *parser.Parser.TYPE_TOKENS,
429            TokenType.SET,
430        }
431
432        ENUM_TYPE_TOKENS = {
433            *parser.Parser.ENUM_TYPE_TOKENS,
434            TokenType.SET,
435        }
436
437        LOG_DEFAULTS_TO_LN = True
438        STRING_ALIASES = True
439        VALUES_FOLLOWED_BY_PAREN = False
440
441        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
442            this = self._parse_id_var()
443            if not self._match(TokenType.L_PAREN):
444                return this
445
446            expression = self._parse_number()
447            self._match_r_paren()
448            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
449
450        def _parse_index_constraint(
451            self, kind: t.Optional[str] = None
452        ) -> exp.IndexColumnConstraint:
453            if kind:
454                self._match_texts(("INDEX", "KEY"))
455
456            this = self._parse_id_var(any_token=False)
457            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
458            schema = self._parse_schema()
459
460            options = []
461            while True:
462                if self._match_text_seq("KEY_BLOCK_SIZE"):
463                    self._match(TokenType.EQ)
464                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
465                elif self._match(TokenType.USING):
466                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
467                elif self._match_text_seq("WITH", "PARSER"):
468                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
469                elif self._match(TokenType.COMMENT):
470                    opt = exp.IndexConstraintOption(comment=self._parse_string())
471                elif self._match_text_seq("VISIBLE"):
472                    opt = exp.IndexConstraintOption(visible=True)
473                elif self._match_text_seq("INVISIBLE"):
474                    opt = exp.IndexConstraintOption(visible=False)
475                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
476                    self._match(TokenType.EQ)
477                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
478                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
479                    self._match(TokenType.EQ)
480                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
481                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
482                    self._match(TokenType.EQ)
483                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
484                else:
485                    opt = None
486
487                if not opt:
488                    break
489
490                options.append(opt)
491
492            return self.expression(
493                exp.IndexColumnConstraint,
494                this=this,
495                schema=schema,
496                kind=kind,
497                index_type=index_type,
498                options=options,
499            )
500
501        def _parse_show_mysql(
502            self,
503            this: str,
504            target: bool | str = False,
505            full: t.Optional[bool] = None,
506            global_: t.Optional[bool] = None,
507        ) -> exp.Show:
508            if target:
509                if isinstance(target, str):
510                    self._match_text_seq(target)
511                target_id = self._parse_id_var()
512            else:
513                target_id = None
514
515            log = self._parse_string() if self._match_text_seq("IN") else None
516
517            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
518                position = self._parse_number() if self._match_text_seq("FROM") else None
519                db = None
520            else:
521                position = None
522                db = None
523
524                if self._match(TokenType.FROM):
525                    db = self._parse_id_var()
526                elif self._match(TokenType.DOT):
527                    db = target_id
528                    target_id = self._parse_id_var()
529
530            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
531
532            like = self._parse_string() if self._match_text_seq("LIKE") else None
533            where = self._parse_where()
534
535            if this == "PROFILE":
536                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
537                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
538                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
539                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
540            else:
541                types, query = None, None
542                offset, limit = self._parse_oldstyle_limit()
543
544            mutex = True if self._match_text_seq("MUTEX") else None
545            mutex = False if self._match_text_seq("STATUS") else mutex
546
547            return self.expression(
548                exp.Show,
549                this=this,
550                target=target_id,
551                full=full,
552                log=log,
553                position=position,
554                db=db,
555                channel=channel,
556                like=like,
557                where=where,
558                types=types,
559                query=query,
560                offset=offset,
561                limit=limit,
562                mutex=mutex,
563                **{"global": global_},  # type: ignore
564            )
565
566        def _parse_oldstyle_limit(
567            self,
568        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
569            limit = None
570            offset = None
571            if self._match_text_seq("LIMIT"):
572                parts = self._parse_csv(self._parse_number)
573                if len(parts) == 1:
574                    limit = parts[0]
575                elif len(parts) == 2:
576                    limit = parts[1]
577                    offset = parts[0]
578
579            return offset, limit
580
581        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
582            this = self._parse_string() or self._parse_id_var()
583            return self.expression(exp.SetItem, this=this, kind=kind)
584
585        def _parse_set_item_names(self) -> exp.Expression:
586            charset = self._parse_string() or self._parse_id_var()
587            if self._match_text_seq("COLLATE"):
588                collate = self._parse_string() or self._parse_id_var()
589            else:
590                collate = None
591
592            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
593
594        def _parse_type(self, parse_interval: bool = True) -> t.Optional[exp.Expression]:
595            # mysql binary is special and can work anywhere, even in order by operations
596            # it operates like a no paren func
597            if self._match(TokenType.BINARY, advance=False):
598                data_type = self._parse_types(check_func=True, allow_identifiers=False)
599
600                if isinstance(data_type, exp.DataType):
601                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
602
603            return super()._parse_type(parse_interval=parse_interval)
604
605        def _parse_chr(self) -> t.Optional[exp.Expression]:
606            expressions = self._parse_csv(self._parse_conjunction)
607            kwargs: t.Dict[str, t.Any] = {"this": seq_get(expressions, 0)}
608
609            if len(expressions) > 1:
610                kwargs["expressions"] = expressions[1:]
611
612            if self._match(TokenType.USING):
613                kwargs["charset"] = self._parse_var()
614
615            return self.expression(exp.Chr, **kwargs)
616
617        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
618            def concat_exprs(
619                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
620            ) -> exp.Expression:
621                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
622                    concat_exprs = [
623                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
624                    ]
625                    node.set("expressions", concat_exprs)
626                    return node
627                if len(exprs) == 1:
628                    return exprs[0]
629                return self.expression(exp.Concat, expressions=args, safe=True)
630
631            args = self._parse_csv(self._parse_lambda)
632
633            if args:
634                order = args[-1] if isinstance(args[-1], exp.Order) else None
635
636                if order:
637                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
638                    # remove 'expr' from exp.Order and add it back to args
639                    args[-1] = order.this
640                    order.set("this", concat_exprs(order.this, args))
641
642                this = order or concat_exprs(args[0], args)
643            else:
644                this = None
645
646            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
647
648            return self.expression(exp.GroupConcat, this=this, separator=separator)
649
650    class Generator(generator.Generator):
651        LOCKING_READS_SUPPORTED = True
652        NULL_ORDERING_SUPPORTED = None
653        JOIN_HINTS = False
654        TABLE_HINTS = True
655        DUPLICATE_KEY_UPDATE_WITH_SET = False
656        QUERY_HINT_SEP = " "
657        VALUES_AS_TABLE = False
658        NVL2_SUPPORTED = False
659        LAST_DAY_SUPPORTS_DATE_PART = False
660        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
661        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
662        JSON_KEY_VALUE_PAIR_SEP = ","
663        SUPPORTS_TO_NUMBER = False
664
665        TRANSFORMS = {
666            **generator.Generator.TRANSFORMS,
667            exp.CurrentDate: no_paren_current_date_sql,
668            exp.DateDiff: _remove_ts_or_ds_to_date(
669                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
670            ),
671            exp.DateAdd: _remove_ts_or_ds_to_date(_date_add_sql("ADD")),
672            exp.DateStrToDate: datestrtodate_sql,
673            exp.DateSub: _remove_ts_or_ds_to_date(_date_add_sql("SUB")),
674            exp.DateTrunc: _date_trunc_sql,
675            exp.Day: _remove_ts_or_ds_to_date(),
676            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
677            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
678            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
679            exp.GroupConcat: lambda self,
680            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
681            exp.ILike: no_ilike_sql,
682            exp.JSONExtractScalar: arrow_json_extract_sql,
683            exp.Max: max_or_greatest,
684            exp.Min: min_or_least,
685            exp.Month: _remove_ts_or_ds_to_date(),
686            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
687            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
688            exp.ParseJSON: lambda self, e: self.sql(e, "this"),
689            exp.Pivot: no_pivot_sql,
690            exp.Select: transforms.preprocess(
691                [
692                    transforms.eliminate_distinct_on,
693                    transforms.eliminate_semi_and_anti_joins,
694                    transforms.eliminate_qualify,
695                    transforms.eliminate_full_outer_join,
696                ]
697            ),
698            exp.StrPosition: strposition_to_locate_sql,
699            exp.StrToDate: _str_to_date_sql,
700            exp.StrToTime: _str_to_date_sql,
701            exp.Stuff: rename_func("INSERT"),
702            exp.TableSample: no_tablesample_sql,
703            exp.TimeFromParts: rename_func("MAKETIME"),
704            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
705            exp.TimestampDiff: lambda self, e: self.func(
706                "TIMESTAMPDIFF", e.text("unit"), e.expression, e.this
707            ),
708            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
709            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
710            exp.TimeStrToTime: lambda self, e: self.sql(exp.cast(e.this, "datetime", copy=True)),
711            exp.TimeToStr: _remove_ts_or_ds_to_date(
712                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
713            ),
714            exp.Trim: _trim_sql,
715            exp.TryCast: no_trycast_sql,
716            exp.TsOrDsAdd: _date_add_sql("ADD"),
717            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
718            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
719            exp.Week: _remove_ts_or_ds_to_date(),
720            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
721            exp.Year: _remove_ts_or_ds_to_date(),
722        }
723
724        UNSIGNED_TYPE_MAPPING = {
725            exp.DataType.Type.UBIGINT: "BIGINT",
726            exp.DataType.Type.UINT: "INT",
727            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
728            exp.DataType.Type.USMALLINT: "SMALLINT",
729            exp.DataType.Type.UTINYINT: "TINYINT",
730            exp.DataType.Type.UDECIMAL: "DECIMAL",
731        }
732
733        TIMESTAMP_TYPE_MAPPING = {
734            exp.DataType.Type.TIMESTAMP: "DATETIME",
735            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
736            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
737        }
738
739        TYPE_MAPPING = {
740            **generator.Generator.TYPE_MAPPING,
741            **UNSIGNED_TYPE_MAPPING,
742            **TIMESTAMP_TYPE_MAPPING,
743        }
744
745        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
746        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
747        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
748        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
749        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
750        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
751
752        PROPERTIES_LOCATION = {
753            **generator.Generator.PROPERTIES_LOCATION,
754            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
755            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
756        }
757
758        LIMIT_FETCH = "LIMIT"
759
760        LIMIT_ONLY_LITERALS = True
761
762        # MySQL doesn't support many datatypes in cast.
763        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
764        CAST_MAPPING = {
765            exp.DataType.Type.BIGINT: "SIGNED",
766            exp.DataType.Type.BOOLEAN: "SIGNED",
767            exp.DataType.Type.INT: "SIGNED",
768            exp.DataType.Type.TEXT: "CHAR",
769            exp.DataType.Type.UBIGINT: "UNSIGNED",
770            exp.DataType.Type.VARCHAR: "CHAR",
771        }
772
773        TIMESTAMP_FUNC_TYPES = {
774            exp.DataType.Type.TIMESTAMPTZ,
775            exp.DataType.Type.TIMESTAMPLTZ,
776        }
777
778        def datatype_sql(self, expression: exp.DataType) -> str:
779            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
780            result = super().datatype_sql(expression)
781            if expression.this in self.UNSIGNED_TYPE_MAPPING:
782                result = f"{result} UNSIGNED"
783            return result
784
785        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
786            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
787
788        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
789            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
790                return self.func("TIMESTAMP", expression.this)
791
792            to = self.CAST_MAPPING.get(expression.to.this)
793
794            if to:
795                expression.to.set("this", to)
796            return super().cast_sql(expression)
797
798        def show_sql(self, expression: exp.Show) -> str:
799            this = f" {expression.name}"
800            full = " FULL" if expression.args.get("full") else ""
801            global_ = " GLOBAL" if expression.args.get("global") else ""
802
803            target = self.sql(expression, "target")
804            target = f" {target}" if target else ""
805            if expression.name in ("COLUMNS", "INDEX"):
806                target = f" FROM{target}"
807            elif expression.name == "GRANTS":
808                target = f" FOR{target}"
809
810            db = self._prefixed_sql("FROM", expression, "db")
811
812            like = self._prefixed_sql("LIKE", expression, "like")
813            where = self.sql(expression, "where")
814
815            types = self.expressions(expression, key="types")
816            types = f" {types}" if types else types
817            query = self._prefixed_sql("FOR QUERY", expression, "query")
818
819            if expression.name == "PROFILE":
820                offset = self._prefixed_sql("OFFSET", expression, "offset")
821                limit = self._prefixed_sql("LIMIT", expression, "limit")
822            else:
823                offset = ""
824                limit = self._oldstyle_limit_sql(expression)
825
826            log = self._prefixed_sql("IN", expression, "log")
827            position = self._prefixed_sql("FROM", expression, "position")
828
829            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
830
831            if expression.name == "ENGINE":
832                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
833            else:
834                mutex_or_status = ""
835
836            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
837
838        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
839            dtype = self.sql(expression, "dtype")
840            if not dtype:
841                return super().altercolumn_sql(expression)
842
843            this = self.sql(expression, "this")
844            return f"MODIFY COLUMN {this} {dtype}"
845
846        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
847            sql = self.sql(expression, arg)
848            return f" {prefix} {sql}" if sql else ""
849
850        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
851            limit = self.sql(expression, "limit")
852            offset = self.sql(expression, "offset")
853            if limit:
854                limit_offset = f"{offset}, {limit}" if offset else limit
855                return f" LIMIT {limit_offset}"
856            return ""
857
858        def chr_sql(self, expression: exp.Chr) -> str:
859            this = self.expressions(sqls=[expression.this] + expression.expressions)
860            charset = expression.args.get("charset")
861            using = f" USING {self.sql(charset)}" if charset else ""
862            return f"CHAR({this}{using})"
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.

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}}}
INVERSE_ESCAPE_SEQUENCES: Dict[str, str] = {}
QUOTE_START = "'"
QUOTE_END = "'"
IDENTIFIER_START = '`'
IDENTIFIER_END = '`'
BIT_START: Optional[str] = "b'"
BIT_END: Optional[str] = "'"
HEX_START: Optional[str] = "x'"
HEX_END: Optional[str] = "'"
BYTE_START: Optional[str] = None
BYTE_END: Optional[str] = None
UNICODE_START: Optional[str] = None
UNICODE_END: Optional[str] = None
class MySQL.Tokenizer(sqlglot.tokens.Tokenizer):
178    class Tokenizer(tokens.Tokenizer):
179        QUOTES = ["'", '"']
180        COMMENTS = ["--", "#", ("/*", "*/")]
181        IDENTIFIERS = ["`"]
182        STRING_ESCAPES = ["'", '"', "\\"]
183        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
184        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
185
186        KEYWORDS = {
187            **tokens.Tokenizer.KEYWORDS,
188            "CHARSET": TokenType.CHARACTER_SET,
189            "FORCE": TokenType.FORCE,
190            "IGNORE": TokenType.IGNORE,
191            "LOCK TABLES": TokenType.COMMAND,
192            "LONGBLOB": TokenType.LONGBLOB,
193            "LONGTEXT": TokenType.LONGTEXT,
194            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
195            "TINYBLOB": TokenType.TINYBLOB,
196            "TINYTEXT": TokenType.TINYTEXT,
197            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
198            "MEDIUMINT": TokenType.MEDIUMINT,
199            "MEMBER OF": TokenType.MEMBER_OF,
200            "SEPARATOR": TokenType.SEPARATOR,
201            "START": TokenType.BEGIN,
202            "SIGNED": TokenType.BIGINT,
203            "SIGNED INTEGER": TokenType.BIGINT,
204            "UNLOCK TABLES": TokenType.COMMAND,
205            "UNSIGNED": TokenType.UBIGINT,
206            "UNSIGNED INTEGER": TokenType.UBIGINT,
207            "YEAR": TokenType.YEAR,
208            "_ARMSCII8": TokenType.INTRODUCER,
209            "_ASCII": TokenType.INTRODUCER,
210            "_BIG5": TokenType.INTRODUCER,
211            "_BINARY": TokenType.INTRODUCER,
212            "_CP1250": TokenType.INTRODUCER,
213            "_CP1251": TokenType.INTRODUCER,
214            "_CP1256": TokenType.INTRODUCER,
215            "_CP1257": TokenType.INTRODUCER,
216            "_CP850": TokenType.INTRODUCER,
217            "_CP852": TokenType.INTRODUCER,
218            "_CP866": TokenType.INTRODUCER,
219            "_CP932": TokenType.INTRODUCER,
220            "_DEC8": TokenType.INTRODUCER,
221            "_EUCJPMS": TokenType.INTRODUCER,
222            "_EUCKR": TokenType.INTRODUCER,
223            "_GB18030": TokenType.INTRODUCER,
224            "_GB2312": TokenType.INTRODUCER,
225            "_GBK": TokenType.INTRODUCER,
226            "_GEOSTD8": TokenType.INTRODUCER,
227            "_GREEK": TokenType.INTRODUCER,
228            "_HEBREW": TokenType.INTRODUCER,
229            "_HP8": TokenType.INTRODUCER,
230            "_KEYBCS2": TokenType.INTRODUCER,
231            "_KOI8R": TokenType.INTRODUCER,
232            "_KOI8U": TokenType.INTRODUCER,
233            "_LATIN1": TokenType.INTRODUCER,
234            "_LATIN2": TokenType.INTRODUCER,
235            "_LATIN5": TokenType.INTRODUCER,
236            "_LATIN7": TokenType.INTRODUCER,
237            "_MACCE": TokenType.INTRODUCER,
238            "_MACROMAN": TokenType.INTRODUCER,
239            "_SJIS": TokenType.INTRODUCER,
240            "_SWE7": TokenType.INTRODUCER,
241            "_TIS620": TokenType.INTRODUCER,
242            "_UCS2": TokenType.INTRODUCER,
243            "_UJIS": TokenType.INTRODUCER,
244            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
245            "_UTF8": TokenType.INTRODUCER,
246            "_UTF16": TokenType.INTRODUCER,
247            "_UTF16LE": TokenType.INTRODUCER,
248            "_UTF32": TokenType.INTRODUCER,
249            "_UTF8MB3": TokenType.INTRODUCER,
250            "_UTF8MB4": TokenType.INTRODUCER,
251            "@@": TokenType.SESSION_PARAMETER,
252        }
253
254        COMMANDS = tokens.Tokenizer.COMMANDS - {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'>, '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'>, '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'>, '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'>, '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'>, 'COPY': <TokenType.COMMAND: 'COMMAND'>, '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.COMMAND: 'COMMAND'>, <TokenType.FETCH: 'FETCH'>, <TokenType.EXECUTE: 'EXECUTE'>}
class MySQL.Parser(sqlglot.parser.Parser):
256    class Parser(parser.Parser):
257        FUNC_TOKENS = {
258            *parser.Parser.FUNC_TOKENS,
259            TokenType.DATABASE,
260            TokenType.SCHEMA,
261            TokenType.VALUES,
262        }
263
264        CONJUNCTION = {
265            **parser.Parser.CONJUNCTION,
266            TokenType.DAMP: exp.And,
267            TokenType.XOR: exp.Xor,
268            TokenType.DPIPE: exp.Or,
269        }
270
271        TABLE_ALIAS_TOKENS = (
272            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
273        )
274
275        RANGE_PARSERS = {
276            **parser.Parser.RANGE_PARSERS,
277            TokenType.MEMBER_OF: lambda self, this: self.expression(
278                exp.JSONArrayContains,
279                this=this,
280                expression=self._parse_wrapped(self._parse_expression),
281            ),
282        }
283
284        FUNCTIONS = {
285            **parser.Parser.FUNCTIONS,
286            "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)),
287            "DATE_ADD": build_date_delta_with_interval(exp.DateAdd),
288            "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"),
289            "DATE_SUB": build_date_delta_with_interval(exp.DateSub),
290            "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
291            "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
292            "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
293            "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
294            "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)),
295            "ISNULL": isnull_to_is_null,
296            "LOCATE": locate_to_strposition,
297            "MAKETIME": exp.TimeFromParts.from_arg_list,
298            "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
299            "MONTHNAME": lambda args: exp.TimeToStr(
300                this=exp.TsOrDsToDate(this=seq_get(args, 0)),
301                format=exp.Literal.string("%B"),
302            ),
303            "STR_TO_DATE": _str_to_date,
304            "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff),
305            "TO_DAYS": lambda args: exp.paren(
306                exp.DateDiff(
307                    this=exp.TsOrDsToDate(this=seq_get(args, 0)),
308                    expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")),
309                    unit=exp.var("DAY"),
310                )
311                + 1
312            ),
313            "WEEK": lambda args: exp.Week(
314                this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1)
315            ),
316            "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
317            "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))),
318        }
319
320        FUNCTION_PARSERS = {
321            **parser.Parser.FUNCTION_PARSERS,
322            "CHAR": lambda self: self._parse_chr(),
323            "GROUP_CONCAT": lambda self: self._parse_group_concat(),
324            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
325            "VALUES": lambda self: self.expression(
326                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
327            ),
328        }
329
330        STATEMENT_PARSERS = {
331            **parser.Parser.STATEMENT_PARSERS,
332            TokenType.SHOW: lambda self: self._parse_show(),
333        }
334
335        SHOW_PARSERS = {
336            "BINARY LOGS": _show_parser("BINARY LOGS"),
337            "MASTER LOGS": _show_parser("BINARY LOGS"),
338            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
339            "CHARACTER SET": _show_parser("CHARACTER SET"),
340            "CHARSET": _show_parser("CHARACTER SET"),
341            "COLLATION": _show_parser("COLLATION"),
342            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
343            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
344            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
345            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
346            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
347            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
348            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
349            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
350            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
351            "DATABASES": _show_parser("DATABASES"),
352            "SCHEMAS": _show_parser("DATABASES"),
353            "ENGINE": _show_parser("ENGINE", target=True),
354            "STORAGE ENGINES": _show_parser("ENGINES"),
355            "ENGINES": _show_parser("ENGINES"),
356            "ERRORS": _show_parser("ERRORS"),
357            "EVENTS": _show_parser("EVENTS"),
358            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
359            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
360            "GRANTS": _show_parser("GRANTS", target="FOR"),
361            "INDEX": _show_parser("INDEX", target="FROM"),
362            "MASTER STATUS": _show_parser("MASTER STATUS"),
363            "OPEN TABLES": _show_parser("OPEN TABLES"),
364            "PLUGINS": _show_parser("PLUGINS"),
365            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
366            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
367            "PRIVILEGES": _show_parser("PRIVILEGES"),
368            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
369            "PROCESSLIST": _show_parser("PROCESSLIST"),
370            "PROFILE": _show_parser("PROFILE"),
371            "PROFILES": _show_parser("PROFILES"),
372            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
373            "REPLICAS": _show_parser("REPLICAS"),
374            "SLAVE HOSTS": _show_parser("REPLICAS"),
375            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
376            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
377            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
378            "SESSION STATUS": _show_parser("STATUS"),
379            "STATUS": _show_parser("STATUS"),
380            "TABLE STATUS": _show_parser("TABLE STATUS"),
381            "FULL TABLES": _show_parser("TABLES", full=True),
382            "TABLES": _show_parser("TABLES"),
383            "TRIGGERS": _show_parser("TRIGGERS"),
384            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
385            "SESSION VARIABLES": _show_parser("VARIABLES"),
386            "VARIABLES": _show_parser("VARIABLES"),
387            "WARNINGS": _show_parser("WARNINGS"),
388        }
389
390        PROPERTY_PARSERS = {
391            **parser.Parser.PROPERTY_PARSERS,
392            "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty),
393        }
394
395        SET_PARSERS = {
396            **parser.Parser.SET_PARSERS,
397            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
398            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
399            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
400            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
401            "NAMES": lambda self: self._parse_set_item_names(),
402        }
403
404        CONSTRAINT_PARSERS = {
405            **parser.Parser.CONSTRAINT_PARSERS,
406            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
407            "INDEX": lambda self: self._parse_index_constraint(),
408            "KEY": lambda self: self._parse_index_constraint(),
409            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
410        }
411
412        SCHEMA_UNNAMED_CONSTRAINTS = {
413            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
414            "FULLTEXT",
415            "INDEX",
416            "KEY",
417            "SPATIAL",
418        }
419
420        PROFILE_TYPES: parser.OPTIONS_TYPE = {
421            **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()),
422            "BLOCK": ("IO",),
423            "CONTEXT": ("SWITCHES",),
424            "PAGE": ("FAULTS",),
425        }
426
427        TYPE_TOKENS = {
428            *parser.Parser.TYPE_TOKENS,
429            TokenType.SET,
430        }
431
432        ENUM_TYPE_TOKENS = {
433            *parser.Parser.ENUM_TYPE_TOKENS,
434            TokenType.SET,
435        }
436
437        LOG_DEFAULTS_TO_LN = True
438        STRING_ALIASES = True
439        VALUES_FOLLOWED_BY_PAREN = False
440
441        def _parse_primary_key_part(self) -> t.Optional[exp.Expression]:
442            this = self._parse_id_var()
443            if not self._match(TokenType.L_PAREN):
444                return this
445
446            expression = self._parse_number()
447            self._match_r_paren()
448            return self.expression(exp.ColumnPrefix, this=this, expression=expression)
449
450        def _parse_index_constraint(
451            self, kind: t.Optional[str] = None
452        ) -> exp.IndexColumnConstraint:
453            if kind:
454                self._match_texts(("INDEX", "KEY"))
455
456            this = self._parse_id_var(any_token=False)
457            index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text
458            schema = self._parse_schema()
459
460            options = []
461            while True:
462                if self._match_text_seq("KEY_BLOCK_SIZE"):
463                    self._match(TokenType.EQ)
464                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
465                elif self._match(TokenType.USING):
466                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
467                elif self._match_text_seq("WITH", "PARSER"):
468                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
469                elif self._match(TokenType.COMMENT):
470                    opt = exp.IndexConstraintOption(comment=self._parse_string())
471                elif self._match_text_seq("VISIBLE"):
472                    opt = exp.IndexConstraintOption(visible=True)
473                elif self._match_text_seq("INVISIBLE"):
474                    opt = exp.IndexConstraintOption(visible=False)
475                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
476                    self._match(TokenType.EQ)
477                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
478                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
479                    self._match(TokenType.EQ)
480                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
481                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
482                    self._match(TokenType.EQ)
483                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
484                else:
485                    opt = None
486
487                if not opt:
488                    break
489
490                options.append(opt)
491
492            return self.expression(
493                exp.IndexColumnConstraint,
494                this=this,
495                schema=schema,
496                kind=kind,
497                index_type=index_type,
498                options=options,
499            )
500
501        def _parse_show_mysql(
502            self,
503            this: str,
504            target: bool | str = False,
505            full: t.Optional[bool] = None,
506            global_: t.Optional[bool] = None,
507        ) -> exp.Show:
508            if target:
509                if isinstance(target, str):
510                    self._match_text_seq(target)
511                target_id = self._parse_id_var()
512            else:
513                target_id = None
514
515            log = self._parse_string() if self._match_text_seq("IN") else None
516
517            if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"):
518                position = self._parse_number() if self._match_text_seq("FROM") else None
519                db = None
520            else:
521                position = None
522                db = None
523
524                if self._match(TokenType.FROM):
525                    db = self._parse_id_var()
526                elif self._match(TokenType.DOT):
527                    db = target_id
528                    target_id = self._parse_id_var()
529
530            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
531
532            like = self._parse_string() if self._match_text_seq("LIKE") else None
533            where = self._parse_where()
534
535            if this == "PROFILE":
536                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
537                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
538                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
539                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
540            else:
541                types, query = None, None
542                offset, limit = self._parse_oldstyle_limit()
543
544            mutex = True if self._match_text_seq("MUTEX") else None
545            mutex = False if self._match_text_seq("STATUS") else mutex
546
547            return self.expression(
548                exp.Show,
549                this=this,
550                target=target_id,
551                full=full,
552                log=log,
553                position=position,
554                db=db,
555                channel=channel,
556                like=like,
557                where=where,
558                types=types,
559                query=query,
560                offset=offset,
561                limit=limit,
562                mutex=mutex,
563                **{"global": global_},  # type: ignore
564            )
565
566        def _parse_oldstyle_limit(
567            self,
568        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
569            limit = None
570            offset = None
571            if self._match_text_seq("LIMIT"):
572                parts = self._parse_csv(self._parse_number)
573                if len(parts) == 1:
574                    limit = parts[0]
575                elif len(parts) == 2:
576                    limit = parts[1]
577                    offset = parts[0]
578
579            return offset, limit
580
581        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
582            this = self._parse_string() or self._parse_id_var()
583            return self.expression(exp.SetItem, this=this, kind=kind)
584
585        def _parse_set_item_names(self) -> exp.Expression:
586            charset = self._parse_string() or self._parse_id_var()
587            if self._match_text_seq("COLLATE"):
588                collate = self._parse_string() or self._parse_id_var()
589            else:
590                collate = None
591
592            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
593
594        def _parse_type(self, parse_interval: bool = True) -> t.Optional[exp.Expression]:
595            # mysql binary is special and can work anywhere, even in order by operations
596            # it operates like a no paren func
597            if self._match(TokenType.BINARY, advance=False):
598                data_type = self._parse_types(check_func=True, allow_identifiers=False)
599
600                if isinstance(data_type, exp.DataType):
601                    return self.expression(exp.Cast, this=self._parse_column(), to=data_type)
602
603            return super()._parse_type(parse_interval=parse_interval)
604
605        def _parse_chr(self) -> t.Optional[exp.Expression]:
606            expressions = self._parse_csv(self._parse_conjunction)
607            kwargs: t.Dict[str, t.Any] = {"this": seq_get(expressions, 0)}
608
609            if len(expressions) > 1:
610                kwargs["expressions"] = expressions[1:]
611
612            if self._match(TokenType.USING):
613                kwargs["charset"] = self._parse_var()
614
615            return self.expression(exp.Chr, **kwargs)
616
617        def _parse_group_concat(self) -> t.Optional[exp.Expression]:
618            def concat_exprs(
619                node: t.Optional[exp.Expression], exprs: t.List[exp.Expression]
620            ) -> exp.Expression:
621                if isinstance(node, exp.Distinct) and len(node.expressions) > 1:
622                    concat_exprs = [
623                        self.expression(exp.Concat, expressions=node.expressions, safe=True)
624                    ]
625                    node.set("expressions", concat_exprs)
626                    return node
627                if len(exprs) == 1:
628                    return exprs[0]
629                return self.expression(exp.Concat, expressions=args, safe=True)
630
631            args = self._parse_csv(self._parse_lambda)
632
633            if args:
634                order = args[-1] if isinstance(args[-1], exp.Order) else None
635
636                if order:
637                    # Order By is the last (or only) expression in the list and has consumed the 'expr' before it,
638                    # remove 'expr' from exp.Order and add it back to args
639                    args[-1] = order.this
640                    order.set("this", concat_exprs(order.this, args))
641
642                this = order or concat_exprs(args[0], args)
643            else:
644                this = None
645
646            separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None
647
648            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.GLOB: 'GLOB'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.JSON: 'JSON'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.BINARY: 'BINARY'>, <TokenType.TEXT: 'TEXT'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.VALUES: 'VALUES'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.YEAR: 'YEAR'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.FIRST: 'FIRST'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.JSONB: 'JSONB'>, <TokenType.IPV6: 'IPV6'>, <TokenType.INT256: 'INT256'>, <TokenType.LIKE: 'LIKE'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.UINT128: 'UINT128'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.RLIKE: 'RLIKE'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.IPV4: 'IPV4'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.RIGHT: 'RIGHT'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.MERGE: 'MERGE'>, <TokenType.TIME: 'TIME'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.UUID: 'UUID'>, <TokenType.ROW: 'ROW'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.FILTER: 'FILTER'>, <TokenType.WINDOW: 'WINDOW'>, <TokenType.INT: 'INT'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.OFFSET: 'OFFSET'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.RANGE: 'RANGE'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.VAR: 'VAR'>, <TokenType.MAP: 'MAP'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.NESTED: 'NESTED'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.SUPER: 'SUPER'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.INET: 'INET'>, <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.NULL: 'NULL'>, <TokenType.DATE: 'DATE'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.INSERT: 'INSERT'>, <TokenType.UINT: 'UINT'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.INDEX: 'INDEX'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.INT128: 'INT128'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.XML: 'XML'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.XOR: 'XOR'>, <TokenType.ENUM: 'ENUM'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.UINT256: 'UINT256'>, <TokenType.BIT: 'BIT'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.SOME: 'SOME'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.CHAR: 'CHAR'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.MONEY: 'MONEY'>, <TokenType.ILIKE: 'ILIKE'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.NAME: 'NAME'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.ALL: 'ALL'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.LEFT: 'LEFT'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.TABLE: 'TABLE'>, <TokenType.DATE32: 'DATE32'>, <TokenType.ANY: 'ANY'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.IMAGE: 'IMAGE'>}
CONJUNCTION = {<TokenType.AND: 'AND'>: <class 'sqlglot.expressions.And'>, <TokenType.OR: 'OR'>: <class 'sqlglot.expressions.Or'>, <TokenType.DAMP: 'DAMP'>: <class 'sqlglot.expressions.And'>, <TokenType.XOR: 'XOR'>: <class 'sqlglot.expressions.Xor'>, <TokenType.DPIPE: 'DPIPE'>: <class 'sqlglot.expressions.Or'>}
TABLE_ALIAS_TOKENS = {<TokenType.UNIQUE: 'UNIQUE'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.TEMPORARY: 'TEMPORARY'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.BEGIN: 'BEGIN'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.JSON: 'JSON'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.BINARY: 'BINARY'>, <TokenType.TEXT: 'TEXT'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.SEMI: 'SEMI'>, <TokenType.VIEW: 'VIEW'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.YEAR: 'YEAR'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.FIRST: 'FIRST'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.JSONB: 'JSONB'>, <TokenType.IPV6: 'IPV6'>, <TokenType.INT256: 'INT256'>, <TokenType.KILL: 'KILL'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.UINT128: 'UINT128'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.DICTIONARY: 'DICTIONARY'>, <TokenType.DIV: 'DIV'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.IPV4: 'IPV4'>, <TokenType.PERCENT: 'PERCENT'>, <TokenType.PRAGMA: 'PRAGMA'>, <TokenType.PROCEDURE: 'PROCEDURE'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.COMMIT: 'COMMIT'>, <TokenType.REFRESH: 'REFRESH'>, <TokenType.REFERENCES: 'REFERENCES'>, <TokenType.CONSTRAINT: 'CONSTRAINT'>, <TokenType.DESC: 'DESC'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.COLUMN: 'COLUMN'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.KEEP: 'KEEP'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.UPDATE: 'UPDATE'>, <TokenType.OVERLAPS: 'OVERLAPS'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.MERGE: 'MERGE'>, <TokenType.END: 'END'>, <TokenType.TIME: 'TIME'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.DELETE: 'DELETE'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.VOLATILE: 'VOLATILE'>, <TokenType.CACHE: 'CACHE'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.UUID: 'UUID'>, <TokenType.ROW: 'ROW'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.FILTER: 'FILTER'>, <TokenType.INT: 'INT'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.RANGE: 'RANGE'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.VAR: 'VAR'>, <TokenType.MAP: 'MAP'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.NESTED: 'NESTED'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.SUPER: 'SUPER'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.INET: 'INET'>, <TokenType.PARTITION: 'PARTITION'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.NULL: 'NULL'>, <TokenType.DATE: 'DATE'>, <TokenType.SETTINGS: 'SETTINGS'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.UINT: 'UINT'>, <TokenType.PIVOT: 'PIVOT'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, <TokenType.INDEX: 'INDEX'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.TRUE: 'TRUE'>, <TokenType.INT128: 'INT128'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.OPERATOR: 'OPERATOR'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.XML: 'XML'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.OVERWRITE: 'OVERWRITE'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.ESCAPE: 'ESCAPE'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.ENUM: 'ENUM'>, <TokenType.MODEL: 'MODEL'>, <TokenType.CASE: 'CASE'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.UINT256: 'UINT256'>, <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.SHOW: 'SHOW'>, <TokenType.BIT: 'BIT'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.IS: 'IS'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.SOME: 'SOME'>, <TokenType.ANTI: 'ANTI'>, <TokenType.UNPIVOT: 'UNPIVOT'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.TOP: 'TOP'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.CHAR: 'CHAR'>, <TokenType.NEXT: 'NEXT'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.FALSE: 'FALSE'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.FUNCTION: 'FUNCTION'>, <TokenType.MONEY: 'MONEY'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.ORDINALITY: 'ORDINALITY'>, <TokenType.RECURSIVE: 'RECURSIVE'>, <TokenType.NAME: 'NAME'>, <TokenType.DEFAULT: 'DEFAULT'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.ASC: 'ASC'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.ALL: 'ALL'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.STORAGE_INTEGRATION: 'STORAGE_INTEGRATION'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.SET: 'SET'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.TABLE: 'TABLE'>, <TokenType.DATE32: 'DATE32'>, <TokenType.ANY: 'ANY'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.COMMENT: 'COMMENT'>, <TokenType.DESCRIBE: 'DESCRIBE'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.FINAL: 'FINAL'>, <TokenType.LOAD: 'LOAD'>, <TokenType.ROWS: 'ROWS'>}
RANGE_PARSERS = {<TokenType.BETWEEN: 'BETWEEN'>: <function Parser.<lambda>>, <TokenType.GLOB: 'GLOB'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.ILIKE: 'ILIKE'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.IN: 'IN'>: <function Parser.<lambda>>, <TokenType.IRLIKE: 'IRLIKE'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.IS: 'IS'>: <function Parser.<lambda>>, <TokenType.LIKE: 'LIKE'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.OVERLAPS: 'OVERLAPS'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.RLIKE: 'RLIKE'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.SIMILAR_TO: 'SIMILAR_TO'>: <function binary_range_parser.<locals>.<lambda>>, <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_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContains'>>, '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'>>, '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'>>, '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'>>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lower'>>, 'LCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lower'>>, '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'>>, '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'>>, '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_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_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'>>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.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 Parser.<lambda>>, 'DATE_FORMAT': <function build_formatted_time.<locals>._builder>, 'INSTR': <function MySQL.Parser.<lambda>>, '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>>, '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.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.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 = {'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>>, '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>>, '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>>, '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>>}
SCHEMA_UNNAMED_CONSTRAINTS = {'UNIQUE', 'FOREIGN KEY', 'LIKE', 'KEY', 'INDEX', 'PERIOD', 'CHECK', 'EXCLUDE', 'FULLTEXT', 'SPATIAL', 'PRIMARY 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.DATE: 'DATE'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.UINT: 'UINT'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.JSON: 'JSON'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.BINARY: 'BINARY'>, <TokenType.TEXT: 'TEXT'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.INT128: 'INT128'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.XML: 'XML'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.YEAR: 'YEAR'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.JSONB: 'JSONB'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.IPV6: 'IPV6'>, <TokenType.ENUM: 'ENUM'>, <TokenType.INT256: 'INT256'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.UINT256: 'UINT256'>, <TokenType.UINT128: 'UINT128'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.BIT: 'BIT'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.IPV4: 'IPV4'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.CHAR: 'CHAR'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.MONEY: 'MONEY'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.NAME: 'NAME'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.TIME: 'TIME'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.UUID: 'UUID'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.INT: 'INT'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.SET: 'SET'>, <TokenType.MAP: 'MAP'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.NESTED: 'NESTED'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.SUPER: 'SUPER'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.DATE32: 'DATE32'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.INET: 'INET'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.NULL: 'NULL'>}
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
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
COMMENT_TABLE_ALIAS_TOKENS
UPDATE_ALIAS_TOKENS
TRIM_TYPES
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_PARSERS
NO_PAREN_FUNCTION_PARSERS
INVALID_FUNC_NAME_TOKENS
FUNCTIONS_WITH_ALIASED_ARGS
KEY_VALUE_DEFINITIONS
QUERY_MODIFIER_PARSERS
TYPE_LITERAL_PARSERS
DDL_SELECT_TOKENS
PRE_VOLATILE_TOKENS
TRANSACTION_KIND
TRANSACTION_CHARACTERISTICS
CONFLICT_ACTIONS
CREATE_SEQUENCE
USABLES
CAST_ACTIONS
INSERT_ALTERNATIVES
CLONE_KEYWORDS
HISTORICAL_DATA_KIND
OPCLASS_FOLLOW_KEYWORDS
OPTYPE_FOLLOW_TOKENS
TABLE_INDEX_HINT_TOKENS
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
STRICT_CAST
PREFIXED_PIVOT_COLUMNS
IDENTIFY_PIVOT_STRINGS
ALTER_TABLE_ADD_REQUIRED_FOR_EACH_COLUMN
TABLESAMPLE_CSV
SET_REQUIRES_ASSIGNMENT_DELIMITER
TRIM_PATTERN_FIRST
MODIFIERS_ATTACHED_TO_UNION
UNION_MODIFIERS
NO_PAREN_IF_COMMANDS
JSON_ARROWS_REQUIRE_JSON_TYPE
SUPPORTS_IMPLICIT_UNNEST
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):
650    class Generator(generator.Generator):
651        LOCKING_READS_SUPPORTED = True
652        NULL_ORDERING_SUPPORTED = None
653        JOIN_HINTS = False
654        TABLE_HINTS = True
655        DUPLICATE_KEY_UPDATE_WITH_SET = False
656        QUERY_HINT_SEP = " "
657        VALUES_AS_TABLE = False
658        NVL2_SUPPORTED = False
659        LAST_DAY_SUPPORTS_DATE_PART = False
660        JSON_TYPE_REQUIRED_FOR_EXTRACTION = True
661        JSON_PATH_BRACKETED_KEY_SUPPORTED = False
662        JSON_KEY_VALUE_PAIR_SEP = ","
663        SUPPORTS_TO_NUMBER = False
664
665        TRANSFORMS = {
666            **generator.Generator.TRANSFORMS,
667            exp.CurrentDate: no_paren_current_date_sql,
668            exp.DateDiff: _remove_ts_or_ds_to_date(
669                lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
670            ),
671            exp.DateAdd: _remove_ts_or_ds_to_date(_date_add_sql("ADD")),
672            exp.DateStrToDate: datestrtodate_sql,
673            exp.DateSub: _remove_ts_or_ds_to_date(_date_add_sql("SUB")),
674            exp.DateTrunc: _date_trunc_sql,
675            exp.Day: _remove_ts_or_ds_to_date(),
676            exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")),
677            exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")),
678            exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")),
679            exp.GroupConcat: lambda self,
680            e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
681            exp.ILike: no_ilike_sql,
682            exp.JSONExtractScalar: arrow_json_extract_sql,
683            exp.Max: max_or_greatest,
684            exp.Min: min_or_least,
685            exp.Month: _remove_ts_or_ds_to_date(),
686            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
687            exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}",
688            exp.ParseJSON: lambda self, e: self.sql(e, "this"),
689            exp.Pivot: no_pivot_sql,
690            exp.Select: transforms.preprocess(
691                [
692                    transforms.eliminate_distinct_on,
693                    transforms.eliminate_semi_and_anti_joins,
694                    transforms.eliminate_qualify,
695                    transforms.eliminate_full_outer_join,
696                ]
697            ),
698            exp.StrPosition: strposition_to_locate_sql,
699            exp.StrToDate: _str_to_date_sql,
700            exp.StrToTime: _str_to_date_sql,
701            exp.Stuff: rename_func("INSERT"),
702            exp.TableSample: no_tablesample_sql,
703            exp.TimeFromParts: rename_func("MAKETIME"),
704            exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"),
705            exp.TimestampDiff: lambda self, e: self.func(
706                "TIMESTAMPDIFF", e.text("unit"), e.expression, e.this
707            ),
708            exp.TimestampSub: date_add_interval_sql("DATE", "SUB"),
709            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
710            exp.TimeStrToTime: lambda self, e: self.sql(exp.cast(e.this, "datetime", copy=True)),
711            exp.TimeToStr: _remove_ts_or_ds_to_date(
712                lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e))
713            ),
714            exp.Trim: _trim_sql,
715            exp.TryCast: no_trycast_sql,
716            exp.TsOrDsAdd: _date_add_sql("ADD"),
717            exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
718            exp.TsOrDsToDate: _ts_or_ds_to_date_sql,
719            exp.Week: _remove_ts_or_ds_to_date(),
720            exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")),
721            exp.Year: _remove_ts_or_ds_to_date(),
722        }
723
724        UNSIGNED_TYPE_MAPPING = {
725            exp.DataType.Type.UBIGINT: "BIGINT",
726            exp.DataType.Type.UINT: "INT",
727            exp.DataType.Type.UMEDIUMINT: "MEDIUMINT",
728            exp.DataType.Type.USMALLINT: "SMALLINT",
729            exp.DataType.Type.UTINYINT: "TINYINT",
730            exp.DataType.Type.UDECIMAL: "DECIMAL",
731        }
732
733        TIMESTAMP_TYPE_MAPPING = {
734            exp.DataType.Type.TIMESTAMP: "DATETIME",
735            exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP",
736            exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP",
737        }
738
739        TYPE_MAPPING = {
740            **generator.Generator.TYPE_MAPPING,
741            **UNSIGNED_TYPE_MAPPING,
742            **TIMESTAMP_TYPE_MAPPING,
743        }
744
745        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
746        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
747        TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT)
748        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
749        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
750        TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB)
751
752        PROPERTIES_LOCATION = {
753            **generator.Generator.PROPERTIES_LOCATION,
754            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
755            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
756        }
757
758        LIMIT_FETCH = "LIMIT"
759
760        LIMIT_ONLY_LITERALS = True
761
762        # MySQL doesn't support many datatypes in cast.
763        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
764        CAST_MAPPING = {
765            exp.DataType.Type.BIGINT: "SIGNED",
766            exp.DataType.Type.BOOLEAN: "SIGNED",
767            exp.DataType.Type.INT: "SIGNED",
768            exp.DataType.Type.TEXT: "CHAR",
769            exp.DataType.Type.UBIGINT: "UNSIGNED",
770            exp.DataType.Type.VARCHAR: "CHAR",
771        }
772
773        TIMESTAMP_FUNC_TYPES = {
774            exp.DataType.Type.TIMESTAMPTZ,
775            exp.DataType.Type.TIMESTAMPLTZ,
776        }
777
778        def datatype_sql(self, expression: exp.DataType) -> str:
779            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
780            result = super().datatype_sql(expression)
781            if expression.this in self.UNSIGNED_TYPE_MAPPING:
782                result = f"{result} UNSIGNED"
783            return result
784
785        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
786            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
787
788        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
789            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
790                return self.func("TIMESTAMP", expression.this)
791
792            to = self.CAST_MAPPING.get(expression.to.this)
793
794            if to:
795                expression.to.set("this", to)
796            return super().cast_sql(expression)
797
798        def show_sql(self, expression: exp.Show) -> str:
799            this = f" {expression.name}"
800            full = " FULL" if expression.args.get("full") else ""
801            global_ = " GLOBAL" if expression.args.get("global") else ""
802
803            target = self.sql(expression, "target")
804            target = f" {target}" if target else ""
805            if expression.name in ("COLUMNS", "INDEX"):
806                target = f" FROM{target}"
807            elif expression.name == "GRANTS":
808                target = f" FOR{target}"
809
810            db = self._prefixed_sql("FROM", expression, "db")
811
812            like = self._prefixed_sql("LIKE", expression, "like")
813            where = self.sql(expression, "where")
814
815            types = self.expressions(expression, key="types")
816            types = f" {types}" if types else types
817            query = self._prefixed_sql("FOR QUERY", expression, "query")
818
819            if expression.name == "PROFILE":
820                offset = self._prefixed_sql("OFFSET", expression, "offset")
821                limit = self._prefixed_sql("LIMIT", expression, "limit")
822            else:
823                offset = ""
824                limit = self._oldstyle_limit_sql(expression)
825
826            log = self._prefixed_sql("IN", expression, "log")
827            position = self._prefixed_sql("FROM", expression, "position")
828
829            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
830
831            if expression.name == "ENGINE":
832                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
833            else:
834                mutex_or_status = ""
835
836            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
837
838        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
839            dtype = self.sql(expression, "dtype")
840            if not dtype:
841                return super().altercolumn_sql(expression)
842
843            this = self.sql(expression, "this")
844            return f"MODIFY COLUMN {this} {dtype}"
845
846        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
847            sql = self.sql(expression, arg)
848            return f" {prefix} {sql}" if sql else ""
849
850        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
851            limit = self.sql(expression, "limit")
852            offset = self.sql(expression, "offset")
853            if limit:
854                limit_offset = f"{offset}, {limit}" if offset else limit
855                return f" LIMIT {limit_offset}"
856            return ""
857
858        def chr_sql(self, expression: exp.Chr) -> str:
859            this = self.expressions(sqls=[expression.this] + expression.expressions)
860            charset = expression.args.get("charset")
861            using = f" USING {self.sql(charset)}" if charset else ""
862            return f"CHAR({this}{using})"

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. Default: 2.
  • indent: The indentation size in a formatted string. 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
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.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.DateAdd'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateFormatColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.DefaultColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.EncodeColumnConstraint'>: <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.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.TemporaryProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TitleColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.Timestamp'>: <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.VolatileProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithJournalTableProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithOperator'>: <function Generator.<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.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.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.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.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.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.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.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
CAST_MAPPING = {<Type.BIGINT: 'BIGINT'>: 'SIGNED', <Type.BOOLEAN: 'BOOLEAN'>: 'SIGNED', <Type.INT: 'INT'>: 'SIGNED', <Type.TEXT: 'TEXT'>: 'CHAR', <Type.UBIGINT: 'UBIGINT'>: 'UNSIGNED', <Type.VARCHAR: 'VARCHAR'>: 'CHAR'}
TIMESTAMP_FUNC_TYPES = {<Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>}
def datatype_sql(self, expression: sqlglot.expressions.DataType) -> str:
778        def datatype_sql(self, expression: exp.DataType) -> str:
779            # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
780            result = super().datatype_sql(expression)
781            if expression.this in self.UNSIGNED_TYPE_MAPPING:
782                result = f"{result} UNSIGNED"
783            return result
def jsonarraycontains_sql(self, expression: sqlglot.expressions.JSONArrayContains) -> str:
785        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
786            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:
788        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
789            if expression.to.this in self.TIMESTAMP_FUNC_TYPES:
790                return self.func("TIMESTAMP", expression.this)
791
792            to = self.CAST_MAPPING.get(expression.to.this)
793
794            if to:
795                expression.to.set("this", to)
796            return super().cast_sql(expression)
def show_sql(self, expression: sqlglot.expressions.Show) -> str:
798        def show_sql(self, expression: exp.Show) -> str:
799            this = f" {expression.name}"
800            full = " FULL" if expression.args.get("full") else ""
801            global_ = " GLOBAL" if expression.args.get("global") else ""
802
803            target = self.sql(expression, "target")
804            target = f" {target}" if target else ""
805            if expression.name in ("COLUMNS", "INDEX"):
806                target = f" FROM{target}"
807            elif expression.name == "GRANTS":
808                target = f" FOR{target}"
809
810            db = self._prefixed_sql("FROM", expression, "db")
811
812            like = self._prefixed_sql("LIKE", expression, "like")
813            where = self.sql(expression, "where")
814
815            types = self.expressions(expression, key="types")
816            types = f" {types}" if types else types
817            query = self._prefixed_sql("FOR QUERY", expression, "query")
818
819            if expression.name == "PROFILE":
820                offset = self._prefixed_sql("OFFSET", expression, "offset")
821                limit = self._prefixed_sql("LIMIT", expression, "limit")
822            else:
823                offset = ""
824                limit = self._oldstyle_limit_sql(expression)
825
826            log = self._prefixed_sql("IN", expression, "log")
827            position = self._prefixed_sql("FROM", expression, "position")
828
829            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
830
831            if expression.name == "ENGINE":
832                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
833            else:
834                mutex_or_status = ""
835
836            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:
838        def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
839            dtype = self.sql(expression, "dtype")
840            if not dtype:
841                return super().altercolumn_sql(expression)
842
843            this = self.sql(expression, "this")
844            return f"MODIFY COLUMN {this} {dtype}"
def chr_sql(self, expression: sqlglot.expressions.Chr) -> str:
858        def chr_sql(self, expression: exp.Chr) -> str:
859            this = self.expressions(sqls=[expression.this] + expression.expressions)
860            charset = expression.args.get("charset")
861            using = f" USING {self.sql(charset)}" if charset else ""
862            return f"CHAR({this}{using})"
SELECT_KINDS: Tuple[str, ...] = ()
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
INTERVAL_ALLOWS_PLURAL_FORM
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
STAR_MAPPING
TIME_PART_SINGULARS
TOKEN_MAPPING
STRUCT_DELIMITER
PARAMETER_TOKEN
NAMED_PLACEHOLDER_TOKEN
RESERVED_KEYWORDS
WITH_SEPARATED_COMMENTS
EXCLUDE_COMMENTS
UNWRAPPED_INTERVAL_VALUES
PARAMETERIZABLE_TEXT_TYPES
EXPRESSIONS_WITHOUT_NESTED_CTES
SENTINEL_LINE_BREAK
pretty
identify
normalize
pad
unsupported_level
max_unsupported
leading_comma
max_text_width
comments
dialect
normalize_functions
unsupported_messages
generate
preprocess
unsupported
sep
seg
pad_comment
maybe_comment
wrap
no_identify
normalize_func
indent
sql
uncache_sql
cache_sql
characterset_sql
column_sql
columnposition_sql
columndef_sql
columnconstraint_sql
computedcolumnconstraint_sql
autoincrementcolumnconstraint_sql
compresscolumnconstraint_sql
generatedasidentitycolumnconstraint_sql
generatedasrowcolumnconstraint_sql
periodforsystemtimeconstraint_sql
notnullcolumnconstraint_sql
transformcolumnconstraint_sql
primarykeycolumnconstraint_sql
uniquecolumnconstraint_sql
createable_sql
create_sql
sequenceproperties_sql
clone_sql
describe_sql
heredoc_sql
prepend_ctes
with_sql
cte_sql
tablealias_sql
bitstring_sql
hexstring_sql
bytestring_sql
unicodestring_sql
rawstring_sql
datatypeparam_sql
directory_sql
delete_sql
drop_sql
except_sql
except_op
fetch_sql
filter_sql
hint_sql
indexparameters_sql
index_sql
identifier_sql
inputoutputformat_sql
national_sql
partition_sql
properties_sql
root_properties
properties
with_properties
locate_properties
property_name
property_sql
likeproperty_sql
fallbackproperty_sql
journalproperty_sql
freespaceproperty_sql
checksumproperty_sql
mergeblockratioproperty_sql
datablocksizeproperty_sql
blockcompressionproperty_sql
isolatedloadingproperty_sql
partitionboundspec_sql
partitionedofproperty_sql
lockingproperty_sql
withdataproperty_sql
withsystemversioningproperty_sql
insert_sql
intersect_sql
intersect_op
introducer_sql
kill_sql
pseudotype_sql
objectidentifier_sql
onconflict_sql
returning_sql
rowformatdelimitedproperty_sql
withtablehint_sql
indextablehint_sql
historicaldata_sql
table_parts
table_sql
tablesample_sql
pivot_sql
version_sql
tuple_sql
update_sql
values_sql
var_sql
into_sql
from_sql
group_sql
having_sql
connect_sql
prior_sql
join_sql
lambda_sql
lateral_op
lateral_sql
limit_sql
offset_sql
setitem_sql
set_sql
pragma_sql
lock_sql
literal_sql
escape_str
loaddata_sql
null_sql
boolean_sql
order_sql
withfill_sql
cluster_sql
distribute_sql
sort_sql
ordered_sql
matchrecognize_sql
query_modifiers
queryoption_sql
offset_limit_modifiers
after_limit_modifiers
select_sql
schema_sql
schema_columns_sql
star_sql
parameter_sql
sessionparameter_sql
placeholder_sql
subquery_sql
qualify_sql
set_operations
union_sql
union_op
unnest_sql
prewhere_sql
where_sql
window_sql
partition_by_sql
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