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sqlglot.dialects.mysql

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  1from __future__ import annotations
  2
  3import typing as t
  4
  5from sqlglot import exp, generator, parser, tokens, transforms
  6from sqlglot.dialects.dialect import (
  7    Dialect,
  8    arrow_json_extract_scalar_sql,
  9    datestrtodate_sql,
 10    format_time_lambda,
 11    locate_to_strposition,
 12    max_or_greatest,
 13    min_or_least,
 14    no_ilike_sql,
 15    no_paren_current_date_sql,
 16    no_pivot_sql,
 17    no_tablesample_sql,
 18    no_trycast_sql,
 19    parse_date_delta_with_interval,
 20    rename_func,
 21    simplify_literal,
 22    strposition_to_locate_sql,
 23)
 24from sqlglot.helper import seq_get
 25from sqlglot.tokens import TokenType
 26
 27
 28def _show_parser(*args: t.Any, **kwargs: t.Any) -> t.Callable[[MySQL.Parser], exp.Show]:
 29    def _parse(self: MySQL.Parser) -> exp.Show:
 30        return self._parse_show_mysql(*args, **kwargs)
 31
 32    return _parse
 33
 34
 35def _date_trunc_sql(self: generator.Generator, expression: exp.DateTrunc) -> str:
 36    expr = self.sql(expression, "this")
 37    unit = expression.text("unit")
 38
 39    if unit == "day":
 40        return f"DATE({expr})"
 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        self.unsupported(f"Unexpected interval unit: {unit}")
 56        return f"DATE({expr})"
 57
 58    return f"STR_TO_DATE({concat}, '{date_format}')"
 59
 60
 61def _str_to_date(args: t.List) -> exp.StrToDate:
 62    date_format = MySQL.format_time(seq_get(args, 1))
 63    return exp.StrToDate(this=seq_get(args, 0), format=date_format)
 64
 65
 66def _str_to_date_sql(self: generator.Generator, expression: exp.StrToDate | exp.StrToTime) -> str:
 67    date_format = self.format_time(expression)
 68    return f"STR_TO_DATE({self.sql(expression.this)}, {date_format})"
 69
 70
 71def _trim_sql(self: generator.Generator, expression: exp.Trim) -> str:
 72    target = self.sql(expression, "this")
 73    trim_type = self.sql(expression, "position")
 74    remove_chars = self.sql(expression, "expression")
 75
 76    # Use TRIM/LTRIM/RTRIM syntax if the expression isn't mysql-specific
 77    if not remove_chars:
 78        return self.trim_sql(expression)
 79
 80    trim_type = f"{trim_type} " if trim_type else ""
 81    remove_chars = f"{remove_chars} " if remove_chars else ""
 82    from_part = "FROM " if trim_type or remove_chars else ""
 83    return f"TRIM({trim_type}{remove_chars}{from_part}{target})"
 84
 85
 86def _date_add_sql(kind: str) -> t.Callable[[generator.Generator, exp.DateAdd | exp.DateSub], str]:
 87    def func(self: generator.Generator, expression: exp.DateAdd | exp.DateSub) -> str:
 88        this = self.sql(expression, "this")
 89        unit = expression.text("unit").upper() or "DAY"
 90        return f"DATE_{kind}({this}, {self.sql(exp.Interval(this=expression.expression.copy(), unit=unit))})"
 91
 92    return func
 93
 94
 95class MySQL(Dialect):
 96    TIME_FORMAT = "'%Y-%m-%d %T'"
 97
 98    # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions
 99    TIME_MAPPING = {
100        "%M": "%B",
101        "%c": "%-m",
102        "%e": "%-d",
103        "%h": "%I",
104        "%i": "%M",
105        "%s": "%S",
106        "%S": "%S",
107        "%u": "%W",
108        "%k": "%-H",
109        "%l": "%-I",
110        "%T": "%H:%M:%S",
111        "%W": "%a",
112    }
113
114    class Tokenizer(tokens.Tokenizer):
115        QUOTES = ["'", '"']
116        COMMENTS = ["--", "#", ("/*", "*/")]
117        IDENTIFIERS = ["`"]
118        STRING_ESCAPES = ["'", "\\"]
119        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
120        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
121
122        KEYWORDS = {
123            **tokens.Tokenizer.KEYWORDS,
124            "CHARSET": TokenType.CHARACTER_SET,
125            "ENUM": TokenType.ENUM,
126            "FORCE": TokenType.FORCE,
127            "IGNORE": TokenType.IGNORE,
128            "LONGBLOB": TokenType.LONGBLOB,
129            "LONGTEXT": TokenType.LONGTEXT,
130            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
131            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
132            "MEMBER OF": TokenType.MEMBER_OF,
133            "SEPARATOR": TokenType.SEPARATOR,
134            "START": TokenType.BEGIN,
135            "SIGNED": TokenType.BIGINT,
136            "SIGNED INTEGER": TokenType.BIGINT,
137            "UNSIGNED": TokenType.UBIGINT,
138            "UNSIGNED INTEGER": TokenType.UBIGINT,
139            "_ARMSCII8": TokenType.INTRODUCER,
140            "_ASCII": TokenType.INTRODUCER,
141            "_BIG5": TokenType.INTRODUCER,
142            "_BINARY": TokenType.INTRODUCER,
143            "_CP1250": TokenType.INTRODUCER,
144            "_CP1251": TokenType.INTRODUCER,
145            "_CP1256": TokenType.INTRODUCER,
146            "_CP1257": TokenType.INTRODUCER,
147            "_CP850": TokenType.INTRODUCER,
148            "_CP852": TokenType.INTRODUCER,
149            "_CP866": TokenType.INTRODUCER,
150            "_CP932": TokenType.INTRODUCER,
151            "_DEC8": TokenType.INTRODUCER,
152            "_EUCJPMS": TokenType.INTRODUCER,
153            "_EUCKR": TokenType.INTRODUCER,
154            "_GB18030": TokenType.INTRODUCER,
155            "_GB2312": TokenType.INTRODUCER,
156            "_GBK": TokenType.INTRODUCER,
157            "_GEOSTD8": TokenType.INTRODUCER,
158            "_GREEK": TokenType.INTRODUCER,
159            "_HEBREW": TokenType.INTRODUCER,
160            "_HP8": TokenType.INTRODUCER,
161            "_KEYBCS2": TokenType.INTRODUCER,
162            "_KOI8R": TokenType.INTRODUCER,
163            "_KOI8U": TokenType.INTRODUCER,
164            "_LATIN1": TokenType.INTRODUCER,
165            "_LATIN2": TokenType.INTRODUCER,
166            "_LATIN5": TokenType.INTRODUCER,
167            "_LATIN7": TokenType.INTRODUCER,
168            "_MACCE": TokenType.INTRODUCER,
169            "_MACROMAN": TokenType.INTRODUCER,
170            "_SJIS": TokenType.INTRODUCER,
171            "_SWE7": TokenType.INTRODUCER,
172            "_TIS620": TokenType.INTRODUCER,
173            "_UCS2": TokenType.INTRODUCER,
174            "_UJIS": TokenType.INTRODUCER,
175            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
176            "_UTF8": TokenType.INTRODUCER,
177            "_UTF16": TokenType.INTRODUCER,
178            "_UTF16LE": TokenType.INTRODUCER,
179            "_UTF32": TokenType.INTRODUCER,
180            "_UTF8MB3": TokenType.INTRODUCER,
181            "_UTF8MB4": TokenType.INTRODUCER,
182            "@@": TokenType.SESSION_PARAMETER,
183        }
184
185        COMMANDS = tokens.Tokenizer.COMMANDS - {TokenType.SHOW}
186
187    class Parser(parser.Parser):
188        FUNC_TOKENS = {
189            *parser.Parser.FUNC_TOKENS,
190            TokenType.DATABASE,
191            TokenType.SCHEMA,
192            TokenType.VALUES,
193        }
194
195        CONJUNCTION = {
196            **parser.Parser.CONJUNCTION,
197            TokenType.DAMP: exp.And,
198            TokenType.XOR: exp.Xor,
199        }
200
201        TABLE_ALIAS_TOKENS = (
202            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
203        )
204
205        RANGE_PARSERS = {
206            **parser.Parser.RANGE_PARSERS,
207            TokenType.MEMBER_OF: lambda self, this: self.expression(
208                exp.JSONArrayContains,
209                this=this,
210                expression=self._parse_wrapped(self._parse_expression),
211            ),
212        }
213
214        FUNCTIONS = {
215            **parser.Parser.FUNCTIONS,
216            "DATE_ADD": parse_date_delta_with_interval(exp.DateAdd),
217            "DATE_FORMAT": format_time_lambda(exp.TimeToStr, "mysql"),
218            "DATE_SUB": parse_date_delta_with_interval(exp.DateSub),
219            "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)),
220            "LOCATE": locate_to_strposition,
221            "STR_TO_DATE": _str_to_date,
222        }
223
224        FUNCTION_PARSERS = {
225            **parser.Parser.FUNCTION_PARSERS,
226            "GROUP_CONCAT": lambda self: self.expression(
227                exp.GroupConcat,
228                this=self._parse_lambda(),
229                separator=self._match(TokenType.SEPARATOR) and self._parse_field(),
230            ),
231            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
232            "VALUES": lambda self: self.expression(
233                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
234            ),
235        }
236
237        STATEMENT_PARSERS = {
238            **parser.Parser.STATEMENT_PARSERS,
239            TokenType.SHOW: lambda self: self._parse_show(),
240        }
241
242        SHOW_PARSERS = {
243            "BINARY LOGS": _show_parser("BINARY LOGS"),
244            "MASTER LOGS": _show_parser("BINARY LOGS"),
245            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
246            "CHARACTER SET": _show_parser("CHARACTER SET"),
247            "CHARSET": _show_parser("CHARACTER SET"),
248            "COLLATION": _show_parser("COLLATION"),
249            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
250            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
251            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
252            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
253            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
254            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
255            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
256            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
257            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
258            "DATABASES": _show_parser("DATABASES"),
259            "ENGINE": _show_parser("ENGINE", target=True),
260            "STORAGE ENGINES": _show_parser("ENGINES"),
261            "ENGINES": _show_parser("ENGINES"),
262            "ERRORS": _show_parser("ERRORS"),
263            "EVENTS": _show_parser("EVENTS"),
264            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
265            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
266            "GRANTS": _show_parser("GRANTS", target="FOR"),
267            "INDEX": _show_parser("INDEX", target="FROM"),
268            "MASTER STATUS": _show_parser("MASTER STATUS"),
269            "OPEN TABLES": _show_parser("OPEN TABLES"),
270            "PLUGINS": _show_parser("PLUGINS"),
271            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
272            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
273            "PRIVILEGES": _show_parser("PRIVILEGES"),
274            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
275            "PROCESSLIST": _show_parser("PROCESSLIST"),
276            "PROFILE": _show_parser("PROFILE"),
277            "PROFILES": _show_parser("PROFILES"),
278            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
279            "REPLICAS": _show_parser("REPLICAS"),
280            "SLAVE HOSTS": _show_parser("REPLICAS"),
281            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
282            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
283            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
284            "SESSION STATUS": _show_parser("STATUS"),
285            "STATUS": _show_parser("STATUS"),
286            "TABLE STATUS": _show_parser("TABLE STATUS"),
287            "FULL TABLES": _show_parser("TABLES", full=True),
288            "TABLES": _show_parser("TABLES"),
289            "TRIGGERS": _show_parser("TRIGGERS"),
290            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
291            "SESSION VARIABLES": _show_parser("VARIABLES"),
292            "VARIABLES": _show_parser("VARIABLES"),
293            "WARNINGS": _show_parser("WARNINGS"),
294        }
295
296        SET_PARSERS = {
297            **parser.Parser.SET_PARSERS,
298            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
299            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
300            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
301            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
302            "NAMES": lambda self: self._parse_set_item_names(),
303        }
304
305        CONSTRAINT_PARSERS = {
306            **parser.Parser.CONSTRAINT_PARSERS,
307            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
308            "INDEX": lambda self: self._parse_index_constraint(),
309            "KEY": lambda self: self._parse_index_constraint(),
310            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
311        }
312
313        SCHEMA_UNNAMED_CONSTRAINTS = {
314            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
315            "FULLTEXT",
316            "INDEX",
317            "KEY",
318            "SPATIAL",
319        }
320
321        PROFILE_TYPES = {
322            "ALL",
323            "BLOCK IO",
324            "CONTEXT SWITCHES",
325            "CPU",
326            "IPC",
327            "MEMORY",
328            "PAGE FAULTS",
329            "SOURCE",
330            "SWAPS",
331        }
332
333        TYPE_TOKENS = {
334            *parser.Parser.TYPE_TOKENS,
335            TokenType.SET,
336        }
337
338        ENUM_TYPE_TOKENS = {
339            *parser.Parser.ENUM_TYPE_TOKENS,
340            TokenType.SET,
341        }
342
343        LOG_DEFAULTS_TO_LN = True
344
345        def _parse_index_constraint(
346            self, kind: t.Optional[str] = None
347        ) -> exp.IndexColumnConstraint:
348            if kind:
349                self._match_texts({"INDEX", "KEY"})
350
351            this = self._parse_id_var(any_token=False)
352            type_ = self._match(TokenType.USING) and self._advance_any() and self._prev.text
353            schema = self._parse_schema()
354
355            options = []
356            while True:
357                if self._match_text_seq("KEY_BLOCK_SIZE"):
358                    self._match(TokenType.EQ)
359                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
360                elif self._match(TokenType.USING):
361                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
362                elif self._match_text_seq("WITH", "PARSER"):
363                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
364                elif self._match(TokenType.COMMENT):
365                    opt = exp.IndexConstraintOption(comment=self._parse_string())
366                elif self._match_text_seq("VISIBLE"):
367                    opt = exp.IndexConstraintOption(visible=True)
368                elif self._match_text_seq("INVISIBLE"):
369                    opt = exp.IndexConstraintOption(visible=False)
370                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
371                    self._match(TokenType.EQ)
372                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
373                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
374                    self._match(TokenType.EQ)
375                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
376                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
377                    self._match(TokenType.EQ)
378                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
379                else:
380                    opt = None
381
382                if not opt:
383                    break
384
385                options.append(opt)
386
387            return self.expression(
388                exp.IndexColumnConstraint,
389                this=this,
390                schema=schema,
391                kind=kind,
392                type=type_,
393                options=options,
394            )
395
396        def _parse_show_mysql(
397            self,
398            this: str,
399            target: bool | str = False,
400            full: t.Optional[bool] = None,
401            global_: t.Optional[bool] = None,
402        ) -> exp.Show:
403            if target:
404                if isinstance(target, str):
405                    self._match_text_seq(target)
406                target_id = self._parse_id_var()
407            else:
408                target_id = None
409
410            log = self._parse_string() if self._match_text_seq("IN") else None
411
412            if this in {"BINLOG EVENTS", "RELAYLOG EVENTS"}:
413                position = self._parse_number() if self._match_text_seq("FROM") else None
414                db = None
415            else:
416                position = None
417                db = None
418
419                if self._match(TokenType.FROM):
420                    db = self._parse_id_var()
421                elif self._match(TokenType.DOT):
422                    db = target_id
423                    target_id = self._parse_id_var()
424
425            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
426
427            like = self._parse_string() if self._match_text_seq("LIKE") else None
428            where = self._parse_where()
429
430            if this == "PROFILE":
431                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
432                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
433                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
434                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
435            else:
436                types, query = None, None
437                offset, limit = self._parse_oldstyle_limit()
438
439            mutex = True if self._match_text_seq("MUTEX") else None
440            mutex = False if self._match_text_seq("STATUS") else mutex
441
442            return self.expression(
443                exp.Show,
444                this=this,
445                target=target_id,
446                full=full,
447                log=log,
448                position=position,
449                db=db,
450                channel=channel,
451                like=like,
452                where=where,
453                types=types,
454                query=query,
455                offset=offset,
456                limit=limit,
457                mutex=mutex,
458                **{"global": global_},  # type: ignore
459            )
460
461        def _parse_oldstyle_limit(
462            self,
463        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
464            limit = None
465            offset = None
466            if self._match_text_seq("LIMIT"):
467                parts = self._parse_csv(self._parse_number)
468                if len(parts) == 1:
469                    limit = parts[0]
470                elif len(parts) == 2:
471                    limit = parts[1]
472                    offset = parts[0]
473
474            return offset, limit
475
476        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
477            this = self._parse_string() or self._parse_id_var()
478            return self.expression(exp.SetItem, this=this, kind=kind)
479
480        def _parse_set_item_names(self) -> exp.Expression:
481            charset = self._parse_string() or self._parse_id_var()
482            if self._match_text_seq("COLLATE"):
483                collate = self._parse_string() or self._parse_id_var()
484            else:
485                collate = None
486
487            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
488
489    class Generator(generator.Generator):
490        LOCKING_READS_SUPPORTED = True
491        NULL_ORDERING_SUPPORTED = False
492        JOIN_HINTS = False
493        TABLE_HINTS = True
494        DUPLICATE_KEY_UPDATE_WITH_SET = False
495        QUERY_HINT_SEP = " "
496        VALUES_AS_TABLE = False
497
498        TRANSFORMS = {
499            **generator.Generator.TRANSFORMS,
500            exp.CurrentDate: no_paren_current_date_sql,
501            exp.DateDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
502            exp.DateAdd: _date_add_sql("ADD"),
503            exp.DateStrToDate: datestrtodate_sql,
504            exp.DateSub: _date_add_sql("SUB"),
505            exp.DateTrunc: _date_trunc_sql,
506            exp.DayOfMonth: rename_func("DAYOFMONTH"),
507            exp.DayOfWeek: rename_func("DAYOFWEEK"),
508            exp.DayOfYear: rename_func("DAYOFYEAR"),
509            exp.GroupConcat: lambda self, e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
510            exp.ILike: no_ilike_sql,
511            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
512            exp.Max: max_or_greatest,
513            exp.Min: min_or_least,
514            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
515            exp.NullSafeNEQ: lambda self, e: self.not_sql(self.binary(e, "<=>")),
516            exp.Pivot: no_pivot_sql,
517            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
518            exp.StrPosition: strposition_to_locate_sql,
519            exp.StrToDate: _str_to_date_sql,
520            exp.StrToTime: _str_to_date_sql,
521            exp.TableSample: no_tablesample_sql,
522            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
523            exp.TimeStrToTime: lambda self, e: self.sql(exp.cast(e.this, "datetime", copy=True)),
524            exp.TimeToStr: lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e)),
525            exp.Trim: _trim_sql,
526            exp.TryCast: no_trycast_sql,
527            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
528        }
529
530        TYPE_MAPPING = generator.Generator.TYPE_MAPPING.copy()
531        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
532        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
533        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
534        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
535
536        PROPERTIES_LOCATION = {
537            **generator.Generator.PROPERTIES_LOCATION,
538            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
539            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
540        }
541
542        LIMIT_FETCH = "LIMIT"
543
544        # MySQL doesn't support many datatypes in cast.
545        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
546        CAST_MAPPING = {
547            exp.DataType.Type.BIGINT: "SIGNED",
548            exp.DataType.Type.BOOLEAN: "SIGNED",
549            exp.DataType.Type.INT: "SIGNED",
550            exp.DataType.Type.TEXT: "CHAR",
551            exp.DataType.Type.UBIGINT: "UNSIGNED",
552            exp.DataType.Type.VARCHAR: "CHAR",
553        }
554
555        def limit_sql(self, expression: exp.Limit, top: bool = False) -> str:
556            # MySQL requires simple literal values for its LIMIT clause.
557            expression = simplify_literal(expression.copy())
558            return super().limit_sql(expression, top=top)
559
560        def offset_sql(self, expression: exp.Offset) -> str:
561            # MySQL requires simple literal values for its OFFSET clause.
562            expression = simplify_literal(expression.copy())
563            return super().offset_sql(expression)
564
565        def xor_sql(self, expression: exp.Xor) -> str:
566            if expression.expressions:
567                return self.expressions(expression, sep=" XOR ")
568            return super().xor_sql(expression)
569
570        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
571            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
572
573        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
574            to = self.CAST_MAPPING.get(expression.to.this)
575
576            if to:
577                expression = expression.copy()
578                expression.to.set("this", to)
579            return super().cast_sql(expression)
580
581        def show_sql(self, expression: exp.Show) -> str:
582            this = f" {expression.name}"
583            full = " FULL" if expression.args.get("full") else ""
584            global_ = " GLOBAL" if expression.args.get("global") else ""
585
586            target = self.sql(expression, "target")
587            target = f" {target}" if target else ""
588            if expression.name in {"COLUMNS", "INDEX"}:
589                target = f" FROM{target}"
590            elif expression.name == "GRANTS":
591                target = f" FOR{target}"
592
593            db = self._prefixed_sql("FROM", expression, "db")
594
595            like = self._prefixed_sql("LIKE", expression, "like")
596            where = self.sql(expression, "where")
597
598            types = self.expressions(expression, key="types")
599            types = f" {types}" if types else types
600            query = self._prefixed_sql("FOR QUERY", expression, "query")
601
602            if expression.name == "PROFILE":
603                offset = self._prefixed_sql("OFFSET", expression, "offset")
604                limit = self._prefixed_sql("LIMIT", expression, "limit")
605            else:
606                offset = ""
607                limit = self._oldstyle_limit_sql(expression)
608
609            log = self._prefixed_sql("IN", expression, "log")
610            position = self._prefixed_sql("FROM", expression, "position")
611
612            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
613
614            if expression.name == "ENGINE":
615                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
616            else:
617                mutex_or_status = ""
618
619            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
620
621        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
622            sql = self.sql(expression, arg)
623            return f" {prefix} {sql}" if sql else ""
624
625        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
626            limit = self.sql(expression, "limit")
627            offset = self.sql(expression, "offset")
628            if limit:
629                limit_offset = f"{offset}, {limit}" if offset else limit
630                return f" LIMIT {limit_offset}"
631            return ""

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

 96class MySQL(Dialect):
 97    TIME_FORMAT = "'%Y-%m-%d %T'"
 98
 99    # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions
100    TIME_MAPPING = {
101        "%M": "%B",
102        "%c": "%-m",
103        "%e": "%-d",
104        "%h": "%I",
105        "%i": "%M",
106        "%s": "%S",
107        "%S": "%S",
108        "%u": "%W",
109        "%k": "%-H",
110        "%l": "%-I",
111        "%T": "%H:%M:%S",
112        "%W": "%a",
113    }
114
115    class Tokenizer(tokens.Tokenizer):
116        QUOTES = ["'", '"']
117        COMMENTS = ["--", "#", ("/*", "*/")]
118        IDENTIFIERS = ["`"]
119        STRING_ESCAPES = ["'", "\\"]
120        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
121        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
122
123        KEYWORDS = {
124            **tokens.Tokenizer.KEYWORDS,
125            "CHARSET": TokenType.CHARACTER_SET,
126            "ENUM": TokenType.ENUM,
127            "FORCE": TokenType.FORCE,
128            "IGNORE": TokenType.IGNORE,
129            "LONGBLOB": TokenType.LONGBLOB,
130            "LONGTEXT": TokenType.LONGTEXT,
131            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
132            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
133            "MEMBER OF": TokenType.MEMBER_OF,
134            "SEPARATOR": TokenType.SEPARATOR,
135            "START": TokenType.BEGIN,
136            "SIGNED": TokenType.BIGINT,
137            "SIGNED INTEGER": TokenType.BIGINT,
138            "UNSIGNED": TokenType.UBIGINT,
139            "UNSIGNED INTEGER": TokenType.UBIGINT,
140            "_ARMSCII8": TokenType.INTRODUCER,
141            "_ASCII": TokenType.INTRODUCER,
142            "_BIG5": TokenType.INTRODUCER,
143            "_BINARY": TokenType.INTRODUCER,
144            "_CP1250": TokenType.INTRODUCER,
145            "_CP1251": TokenType.INTRODUCER,
146            "_CP1256": TokenType.INTRODUCER,
147            "_CP1257": TokenType.INTRODUCER,
148            "_CP850": TokenType.INTRODUCER,
149            "_CP852": TokenType.INTRODUCER,
150            "_CP866": TokenType.INTRODUCER,
151            "_CP932": TokenType.INTRODUCER,
152            "_DEC8": TokenType.INTRODUCER,
153            "_EUCJPMS": TokenType.INTRODUCER,
154            "_EUCKR": TokenType.INTRODUCER,
155            "_GB18030": TokenType.INTRODUCER,
156            "_GB2312": TokenType.INTRODUCER,
157            "_GBK": TokenType.INTRODUCER,
158            "_GEOSTD8": TokenType.INTRODUCER,
159            "_GREEK": TokenType.INTRODUCER,
160            "_HEBREW": TokenType.INTRODUCER,
161            "_HP8": TokenType.INTRODUCER,
162            "_KEYBCS2": TokenType.INTRODUCER,
163            "_KOI8R": TokenType.INTRODUCER,
164            "_KOI8U": TokenType.INTRODUCER,
165            "_LATIN1": TokenType.INTRODUCER,
166            "_LATIN2": TokenType.INTRODUCER,
167            "_LATIN5": TokenType.INTRODUCER,
168            "_LATIN7": TokenType.INTRODUCER,
169            "_MACCE": TokenType.INTRODUCER,
170            "_MACROMAN": TokenType.INTRODUCER,
171            "_SJIS": TokenType.INTRODUCER,
172            "_SWE7": TokenType.INTRODUCER,
173            "_TIS620": TokenType.INTRODUCER,
174            "_UCS2": TokenType.INTRODUCER,
175            "_UJIS": TokenType.INTRODUCER,
176            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
177            "_UTF8": TokenType.INTRODUCER,
178            "_UTF16": TokenType.INTRODUCER,
179            "_UTF16LE": TokenType.INTRODUCER,
180            "_UTF32": TokenType.INTRODUCER,
181            "_UTF8MB3": TokenType.INTRODUCER,
182            "_UTF8MB4": TokenType.INTRODUCER,
183            "@@": TokenType.SESSION_PARAMETER,
184        }
185
186        COMMANDS = tokens.Tokenizer.COMMANDS - {TokenType.SHOW}
187
188    class Parser(parser.Parser):
189        FUNC_TOKENS = {
190            *parser.Parser.FUNC_TOKENS,
191            TokenType.DATABASE,
192            TokenType.SCHEMA,
193            TokenType.VALUES,
194        }
195
196        CONJUNCTION = {
197            **parser.Parser.CONJUNCTION,
198            TokenType.DAMP: exp.And,
199            TokenType.XOR: exp.Xor,
200        }
201
202        TABLE_ALIAS_TOKENS = (
203            parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS
204        )
205
206        RANGE_PARSERS = {
207            **parser.Parser.RANGE_PARSERS,
208            TokenType.MEMBER_OF: lambda self, this: self.expression(
209                exp.JSONArrayContains,
210                this=this,
211                expression=self._parse_wrapped(self._parse_expression),
212            ),
213        }
214
215        FUNCTIONS = {
216            **parser.Parser.FUNCTIONS,
217            "DATE_ADD": parse_date_delta_with_interval(exp.DateAdd),
218            "DATE_FORMAT": format_time_lambda(exp.TimeToStr, "mysql"),
219            "DATE_SUB": parse_date_delta_with_interval(exp.DateSub),
220            "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)),
221            "LOCATE": locate_to_strposition,
222            "STR_TO_DATE": _str_to_date,
223        }
224
225        FUNCTION_PARSERS = {
226            **parser.Parser.FUNCTION_PARSERS,
227            "GROUP_CONCAT": lambda self: self.expression(
228                exp.GroupConcat,
229                this=self._parse_lambda(),
230                separator=self._match(TokenType.SEPARATOR) and self._parse_field(),
231            ),
232            # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values
233            "VALUES": lambda self: self.expression(
234                exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()]
235            ),
236        }
237
238        STATEMENT_PARSERS = {
239            **parser.Parser.STATEMENT_PARSERS,
240            TokenType.SHOW: lambda self: self._parse_show(),
241        }
242
243        SHOW_PARSERS = {
244            "BINARY LOGS": _show_parser("BINARY LOGS"),
245            "MASTER LOGS": _show_parser("BINARY LOGS"),
246            "BINLOG EVENTS": _show_parser("BINLOG EVENTS"),
247            "CHARACTER SET": _show_parser("CHARACTER SET"),
248            "CHARSET": _show_parser("CHARACTER SET"),
249            "COLLATION": _show_parser("COLLATION"),
250            "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True),
251            "COLUMNS": _show_parser("COLUMNS", target="FROM"),
252            "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True),
253            "CREATE EVENT": _show_parser("CREATE EVENT", target=True),
254            "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True),
255            "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True),
256            "CREATE TABLE": _show_parser("CREATE TABLE", target=True),
257            "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True),
258            "CREATE VIEW": _show_parser("CREATE VIEW", target=True),
259            "DATABASES": _show_parser("DATABASES"),
260            "ENGINE": _show_parser("ENGINE", target=True),
261            "STORAGE ENGINES": _show_parser("ENGINES"),
262            "ENGINES": _show_parser("ENGINES"),
263            "ERRORS": _show_parser("ERRORS"),
264            "EVENTS": _show_parser("EVENTS"),
265            "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True),
266            "FUNCTION STATUS": _show_parser("FUNCTION STATUS"),
267            "GRANTS": _show_parser("GRANTS", target="FOR"),
268            "INDEX": _show_parser("INDEX", target="FROM"),
269            "MASTER STATUS": _show_parser("MASTER STATUS"),
270            "OPEN TABLES": _show_parser("OPEN TABLES"),
271            "PLUGINS": _show_parser("PLUGINS"),
272            "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True),
273            "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"),
274            "PRIVILEGES": _show_parser("PRIVILEGES"),
275            "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True),
276            "PROCESSLIST": _show_parser("PROCESSLIST"),
277            "PROFILE": _show_parser("PROFILE"),
278            "PROFILES": _show_parser("PROFILES"),
279            "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"),
280            "REPLICAS": _show_parser("REPLICAS"),
281            "SLAVE HOSTS": _show_parser("REPLICAS"),
282            "REPLICA STATUS": _show_parser("REPLICA STATUS"),
283            "SLAVE STATUS": _show_parser("REPLICA STATUS"),
284            "GLOBAL STATUS": _show_parser("STATUS", global_=True),
285            "SESSION STATUS": _show_parser("STATUS"),
286            "STATUS": _show_parser("STATUS"),
287            "TABLE STATUS": _show_parser("TABLE STATUS"),
288            "FULL TABLES": _show_parser("TABLES", full=True),
289            "TABLES": _show_parser("TABLES"),
290            "TRIGGERS": _show_parser("TRIGGERS"),
291            "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True),
292            "SESSION VARIABLES": _show_parser("VARIABLES"),
293            "VARIABLES": _show_parser("VARIABLES"),
294            "WARNINGS": _show_parser("WARNINGS"),
295        }
296
297        SET_PARSERS = {
298            **parser.Parser.SET_PARSERS,
299            "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"),
300            "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"),
301            "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
302            "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"),
303            "NAMES": lambda self: self._parse_set_item_names(),
304        }
305
306        CONSTRAINT_PARSERS = {
307            **parser.Parser.CONSTRAINT_PARSERS,
308            "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"),
309            "INDEX": lambda self: self._parse_index_constraint(),
310            "KEY": lambda self: self._parse_index_constraint(),
311            "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"),
312        }
313
314        SCHEMA_UNNAMED_CONSTRAINTS = {
315            *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS,
316            "FULLTEXT",
317            "INDEX",
318            "KEY",
319            "SPATIAL",
320        }
321
322        PROFILE_TYPES = {
323            "ALL",
324            "BLOCK IO",
325            "CONTEXT SWITCHES",
326            "CPU",
327            "IPC",
328            "MEMORY",
329            "PAGE FAULTS",
330            "SOURCE",
331            "SWAPS",
332        }
333
334        TYPE_TOKENS = {
335            *parser.Parser.TYPE_TOKENS,
336            TokenType.SET,
337        }
338
339        ENUM_TYPE_TOKENS = {
340            *parser.Parser.ENUM_TYPE_TOKENS,
341            TokenType.SET,
342        }
343
344        LOG_DEFAULTS_TO_LN = True
345
346        def _parse_index_constraint(
347            self, kind: t.Optional[str] = None
348        ) -> exp.IndexColumnConstraint:
349            if kind:
350                self._match_texts({"INDEX", "KEY"})
351
352            this = self._parse_id_var(any_token=False)
353            type_ = self._match(TokenType.USING) and self._advance_any() and self._prev.text
354            schema = self._parse_schema()
355
356            options = []
357            while True:
358                if self._match_text_seq("KEY_BLOCK_SIZE"):
359                    self._match(TokenType.EQ)
360                    opt = exp.IndexConstraintOption(key_block_size=self._parse_number())
361                elif self._match(TokenType.USING):
362                    opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text)
363                elif self._match_text_seq("WITH", "PARSER"):
364                    opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True))
365                elif self._match(TokenType.COMMENT):
366                    opt = exp.IndexConstraintOption(comment=self._parse_string())
367                elif self._match_text_seq("VISIBLE"):
368                    opt = exp.IndexConstraintOption(visible=True)
369                elif self._match_text_seq("INVISIBLE"):
370                    opt = exp.IndexConstraintOption(visible=False)
371                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
372                    self._match(TokenType.EQ)
373                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
374                elif self._match_text_seq("ENGINE_ATTRIBUTE"):
375                    self._match(TokenType.EQ)
376                    opt = exp.IndexConstraintOption(engine_attr=self._parse_string())
377                elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"):
378                    self._match(TokenType.EQ)
379                    opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string())
380                else:
381                    opt = None
382
383                if not opt:
384                    break
385
386                options.append(opt)
387
388            return self.expression(
389                exp.IndexColumnConstraint,
390                this=this,
391                schema=schema,
392                kind=kind,
393                type=type_,
394                options=options,
395            )
396
397        def _parse_show_mysql(
398            self,
399            this: str,
400            target: bool | str = False,
401            full: t.Optional[bool] = None,
402            global_: t.Optional[bool] = None,
403        ) -> exp.Show:
404            if target:
405                if isinstance(target, str):
406                    self._match_text_seq(target)
407                target_id = self._parse_id_var()
408            else:
409                target_id = None
410
411            log = self._parse_string() if self._match_text_seq("IN") else None
412
413            if this in {"BINLOG EVENTS", "RELAYLOG EVENTS"}:
414                position = self._parse_number() if self._match_text_seq("FROM") else None
415                db = None
416            else:
417                position = None
418                db = None
419
420                if self._match(TokenType.FROM):
421                    db = self._parse_id_var()
422                elif self._match(TokenType.DOT):
423                    db = target_id
424                    target_id = self._parse_id_var()
425
426            channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None
427
428            like = self._parse_string() if self._match_text_seq("LIKE") else None
429            where = self._parse_where()
430
431            if this == "PROFILE":
432                types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES))
433                query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None
434                offset = self._parse_number() if self._match_text_seq("OFFSET") else None
435                limit = self._parse_number() if self._match_text_seq("LIMIT") else None
436            else:
437                types, query = None, None
438                offset, limit = self._parse_oldstyle_limit()
439
440            mutex = True if self._match_text_seq("MUTEX") else None
441            mutex = False if self._match_text_seq("STATUS") else mutex
442
443            return self.expression(
444                exp.Show,
445                this=this,
446                target=target_id,
447                full=full,
448                log=log,
449                position=position,
450                db=db,
451                channel=channel,
452                like=like,
453                where=where,
454                types=types,
455                query=query,
456                offset=offset,
457                limit=limit,
458                mutex=mutex,
459                **{"global": global_},  # type: ignore
460            )
461
462        def _parse_oldstyle_limit(
463            self,
464        ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]:
465            limit = None
466            offset = None
467            if self._match_text_seq("LIMIT"):
468                parts = self._parse_csv(self._parse_number)
469                if len(parts) == 1:
470                    limit = parts[0]
471                elif len(parts) == 2:
472                    limit = parts[1]
473                    offset = parts[0]
474
475            return offset, limit
476
477        def _parse_set_item_charset(self, kind: str) -> exp.Expression:
478            this = self._parse_string() or self._parse_id_var()
479            return self.expression(exp.SetItem, this=this, kind=kind)
480
481        def _parse_set_item_names(self) -> exp.Expression:
482            charset = self._parse_string() or self._parse_id_var()
483            if self._match_text_seq("COLLATE"):
484                collate = self._parse_string() or self._parse_id_var()
485            else:
486                collate = None
487
488            return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES")
489
490    class Generator(generator.Generator):
491        LOCKING_READS_SUPPORTED = True
492        NULL_ORDERING_SUPPORTED = False
493        JOIN_HINTS = False
494        TABLE_HINTS = True
495        DUPLICATE_KEY_UPDATE_WITH_SET = False
496        QUERY_HINT_SEP = " "
497        VALUES_AS_TABLE = False
498
499        TRANSFORMS = {
500            **generator.Generator.TRANSFORMS,
501            exp.CurrentDate: no_paren_current_date_sql,
502            exp.DateDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression),
503            exp.DateAdd: _date_add_sql("ADD"),
504            exp.DateStrToDate: datestrtodate_sql,
505            exp.DateSub: _date_add_sql("SUB"),
506            exp.DateTrunc: _date_trunc_sql,
507            exp.DayOfMonth: rename_func("DAYOFMONTH"),
508            exp.DayOfWeek: rename_func("DAYOFWEEK"),
509            exp.DayOfYear: rename_func("DAYOFYEAR"),
510            exp.GroupConcat: lambda self, e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""",
511            exp.ILike: no_ilike_sql,
512            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
513            exp.Max: max_or_greatest,
514            exp.Min: min_or_least,
515            exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"),
516            exp.NullSafeNEQ: lambda self, e: self.not_sql(self.binary(e, "<=>")),
517            exp.Pivot: no_pivot_sql,
518            exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
519            exp.StrPosition: strposition_to_locate_sql,
520            exp.StrToDate: _str_to_date_sql,
521            exp.StrToTime: _str_to_date_sql,
522            exp.TableSample: no_tablesample_sql,
523            exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"),
524            exp.TimeStrToTime: lambda self, e: self.sql(exp.cast(e.this, "datetime", copy=True)),
525            exp.TimeToStr: lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e)),
526            exp.Trim: _trim_sql,
527            exp.TryCast: no_trycast_sql,
528            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
529        }
530
531        TYPE_MAPPING = generator.Generator.TYPE_MAPPING.copy()
532        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
533        TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
534        TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
535        TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
536
537        PROPERTIES_LOCATION = {
538            **generator.Generator.PROPERTIES_LOCATION,
539            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
540            exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED,
541        }
542
543        LIMIT_FETCH = "LIMIT"
544
545        # MySQL doesn't support many datatypes in cast.
546        # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast
547        CAST_MAPPING = {
548            exp.DataType.Type.BIGINT: "SIGNED",
549            exp.DataType.Type.BOOLEAN: "SIGNED",
550            exp.DataType.Type.INT: "SIGNED",
551            exp.DataType.Type.TEXT: "CHAR",
552            exp.DataType.Type.UBIGINT: "UNSIGNED",
553            exp.DataType.Type.VARCHAR: "CHAR",
554        }
555
556        def limit_sql(self, expression: exp.Limit, top: bool = False) -> str:
557            # MySQL requires simple literal values for its LIMIT clause.
558            expression = simplify_literal(expression.copy())
559            return super().limit_sql(expression, top=top)
560
561        def offset_sql(self, expression: exp.Offset) -> str:
562            # MySQL requires simple literal values for its OFFSET clause.
563            expression = simplify_literal(expression.copy())
564            return super().offset_sql(expression)
565
566        def xor_sql(self, expression: exp.Xor) -> str:
567            if expression.expressions:
568                return self.expressions(expression, sep=" XOR ")
569            return super().xor_sql(expression)
570
571        def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str:
572            return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})"
573
574        def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str:
575            to = self.CAST_MAPPING.get(expression.to.this)
576
577            if to:
578                expression = expression.copy()
579                expression.to.set("this", to)
580            return super().cast_sql(expression)
581
582        def show_sql(self, expression: exp.Show) -> str:
583            this = f" {expression.name}"
584            full = " FULL" if expression.args.get("full") else ""
585            global_ = " GLOBAL" if expression.args.get("global") else ""
586
587            target = self.sql(expression, "target")
588            target = f" {target}" if target else ""
589            if expression.name in {"COLUMNS", "INDEX"}:
590                target = f" FROM{target}"
591            elif expression.name == "GRANTS":
592                target = f" FOR{target}"
593
594            db = self._prefixed_sql("FROM", expression, "db")
595
596            like = self._prefixed_sql("LIKE", expression, "like")
597            where = self.sql(expression, "where")
598
599            types = self.expressions(expression, key="types")
600            types = f" {types}" if types else types
601            query = self._prefixed_sql("FOR QUERY", expression, "query")
602
603            if expression.name == "PROFILE":
604                offset = self._prefixed_sql("OFFSET", expression, "offset")
605                limit = self._prefixed_sql("LIMIT", expression, "limit")
606            else:
607                offset = ""
608                limit = self._oldstyle_limit_sql(expression)
609
610            log = self._prefixed_sql("IN", expression, "log")
611            position = self._prefixed_sql("FROM", expression, "position")
612
613            channel = self._prefixed_sql("FOR CHANNEL", expression, "channel")
614
615            if expression.name == "ENGINE":
616                mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS"
617            else:
618                mutex_or_status = ""
619
620            return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
621
622        def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str:
623            sql = self.sql(expression, arg)
624            return f" {prefix} {sql}" if sql else ""
625
626        def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
627            limit = self.sql(expression, "limit")
628            offset = self.sql(expression, "offset")
629            if limit:
630                limit_offset = f"{offset}, {limit}" if offset else limit
631                return f" LIMIT {limit_offset}"
632            return ""

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

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

tokenizer_class = <class 'sqlglot.dialects.mysql.MySQL.Tokenizer'>

parser_class = <class 'sqlglot.dialects.mysql.MySQL.Parser'>

generator_class = <class 'sqlglot.dialects.mysql.MySQL.Generator'>

TIME_TRIE: Dict = {'%': {'M': {0: True}, 'c': {0: True}, 'e': {0: True}, 'h': {0: True}, 'i': {0: True}, 's': {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}, '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}}}

QUOTE_START = "'"

QUOTE_END = "'"

IDENTIFIER_START = '`'

IDENTIFIER_END = '`'

BIT_START = "b'"

BIT_END = "'"

HEX_START = "x'"

HEX_END = "'"

BYTE_START = None

BYTE_END = None

Inherited Members

sqlglot.dialects.dialect.Dialect: INDEX_OFFSET; UNNEST_COLUMN_ONLY; ALIAS_POST_TABLESAMPLE; RESOLVES_IDENTIFIERS_AS_UPPERCASE; IDENTIFIERS_CAN_START_WITH_DIGIT; STRICT_STRING_CONCAT; NORMALIZE_FUNCTIONS; NULL_ORDERING; DATE_FORMAT; DATEINT_FORMAT; FORMAT_MAPPING; PSEUDOCOLUMNS; get_or_raise; format_time; normalize_identifier; case_sensitive; can_identify; quote_identifier; parse; parse_into; generate; transpile; tokenize; tokenizer; parser; generator

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

115    class Tokenizer(tokens.Tokenizer):
116        QUOTES = ["'", '"']
117        COMMENTS = ["--", "#", ("/*", "*/")]
118        IDENTIFIERS = ["`"]
119        STRING_ESCAPES = ["'", "\\"]
120        BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")]
121        HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")]
122
123        KEYWORDS = {
124            **tokens.Tokenizer.KEYWORDS,
125            "CHARSET": TokenType.CHARACTER_SET,
126            "ENUM": TokenType.ENUM,
127            "FORCE": TokenType.FORCE,
128            "IGNORE": TokenType.IGNORE,
129            "LONGBLOB": TokenType.LONGBLOB,
130            "LONGTEXT": TokenType.LONGTEXT,
131            "MEDIUMBLOB": TokenType.MEDIUMBLOB,
132            "MEDIUMTEXT": TokenType.MEDIUMTEXT,
133            "MEMBER OF": TokenType.MEMBER_OF,
134            "SEPARATOR": TokenType.SEPARATOR,
135            "START": TokenType.BEGIN,
136            "SIGNED": TokenType.BIGINT,
137            "SIGNED INTEGER": TokenType.BIGINT,
138            "UNSIGNED": TokenType.UBIGINT,
139            "UNSIGNED INTEGER": TokenType.UBIGINT,
140            "_ARMSCII8": TokenType.INTRODUCER,
141            "_ASCII": TokenType.INTRODUCER,
142            "_BIG5": TokenType.INTRODUCER,
143            "_BINARY": TokenType.INTRODUCER,
144            "_CP1250": TokenType.INTRODUCER,
145            "_CP1251": TokenType.INTRODUCER,
146            "_CP1256": TokenType.INTRODUCER,
147            "_CP1257": TokenType.INTRODUCER,
148            "_CP850": TokenType.INTRODUCER,
149            "_CP852": TokenType.INTRODUCER,
150            "_CP866": TokenType.INTRODUCER,
151            "_CP932": TokenType.INTRODUCER,
152            "_DEC8": TokenType.INTRODUCER,
153            "_EUCJPMS": TokenType.INTRODUCER,
154            "_EUCKR": TokenType.INTRODUCER,
155            "_GB18030": TokenType.INTRODUCER,
156            "_GB2312": TokenType.INTRODUCER,
157            "_GBK": TokenType.INTRODUCER,
158            "_GEOSTD8": TokenType.INTRODUCER,
159            "_GREEK": TokenType.INTRODUCER,
160            "_HEBREW": TokenType.INTRODUCER,
161            "_HP8": TokenType.INTRODUCER,
162            "_KEYBCS2": TokenType.INTRODUCER,
163            "_KOI8R": TokenType.INTRODUCER,
164            "_KOI8U": TokenType.INTRODUCER,
165            "_LATIN1": TokenType.INTRODUCER,
166            "_LATIN2": TokenType.INTRODUCER,
167            "_LATIN5": TokenType.INTRODUCER,
168            "_LATIN7": TokenType.INTRODUCER,
169            "_MACCE": TokenType.INTRODUCER,
170            "_MACROMAN": TokenType.INTRODUCER,
171            "_SJIS": TokenType.INTRODUCER,
172            "_SWE7": TokenType.INTRODUCER,
173            "_TIS620": TokenType.INTRODUCER,
174            "_UCS2": TokenType.INTRODUCER,
175            "_UJIS": TokenType.INTRODUCER,
176            # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html
177            "_UTF8": TokenType.INTRODUCER,
178            "_UTF16": TokenType.INTRODUCER,
179            "_UTF16LE": TokenType.INTRODUCER,
180            "_UTF32": TokenType.INTRODUCER,
181            "_UTF8MB3": TokenType.INTRODUCER,
182            "_UTF8MB4": TokenType.INTRODUCER,
183            "@@": TokenType.SESSION_PARAMETER,
184        }
185
186        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.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'>, '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'>, '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'>, 'IF': <TokenType.IF: 'IF'>, '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'>, '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'>, 'NEXT VALUE FOR': <TokenType.NEXT_VALUE_FOR: 'NEXT_VALUE_FOR'>, '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'>, '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'>, 'UNION': <TokenType.UNION: 'UNION'>, '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'>, 'TINYINT': <TokenType.TINYINT: 'TINYINT'>, 'SHORT': <TokenType.SMALLINT: 'SMALLINT'>, 'SMALLINT': <TokenType.SMALLINT: 'SMALLINT'>, 'INT2': <TokenType.SMALLINT: 'SMALLINT'>, 'INTEGER': <TokenType.INT: 'INT'>, 'INT': <TokenType.INT: 'INT'>, 'INT4': <TokenType.INT: 'INT'>, 'LONG': <TokenType.BIGINT: 'BIGINT'>, 'BIGINT': <TokenType.BIGINT: 'BIGINT'>, 'INT8': <TokenType.BIGINT: 'BIGINT'>, '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'>, 'STR': <TokenType.TEXT: 'TEXT'>, 'STRING': <TokenType.TEXT: 'TEXT'>, 'TEXT': <TokenType.TEXT: 'TEXT'>, 'CLOB': <TokenType.TEXT: 'TEXT'>, 'LONGVARCHAR': <TokenType.TEXT: 'TEXT'>, 'BINARY': <TokenType.BINARY: 'BINARY'>, 'BLOB': <TokenType.VARBINARY: 'VARBINARY'>, 'BYTEA': <TokenType.VARBINARY: 'VARBINARY'>, 'VARBINARY': <TokenType.VARBINARY: 'VARBINARY'>, 'TIME': <TokenType.TIME: 'TIME'>, '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'>, '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'>, 'TRUNCATE': <TokenType.COMMAND: 'COMMAND'>, 'VACUUM': <TokenType.COMMAND: 'COMMAND'>, 'USER-DEFINED': <TokenType.USERDEFINED: 'USERDEFINED'>, 'CHARSET': <TokenType.CHARACTER_SET: 'CHARACTER_SET'>, 'ENUM': <TokenType.ENUM: 'ENUM'>, 'FORCE': <TokenType.FORCE: 'FORCE'>, 'IGNORE': <TokenType.IGNORE: 'IGNORE'>, 'LONGBLOB': <TokenType.LONGBLOB: 'LONGBLOB'>, 'LONGTEXT': <TokenType.LONGTEXT: 'LONGTEXT'>, 'MEDIUMBLOB': <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, 'MEDIUMTEXT': <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, 'MEMBER OF': <TokenType.MEMBER_OF: 'MEMBER_OF'>, 'SEPARATOR': <TokenType.SEPARATOR: 'SEPARATOR'>, 'START': <TokenType.BEGIN: 'BEGIN'>, 'SIGNED': <TokenType.BIGINT: 'BIGINT'>, 'SIGNED INTEGER': <TokenType.BIGINT: 'BIGINT'>, 'UNSIGNED': <TokenType.UBIGINT: 'UBIGINT'>, 'UNSIGNED INTEGER': <TokenType.UBIGINT: 'UBIGINT'>, '_ARMSCII8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_ASCII': <TokenType.INTRODUCER: 'INTRODUCER'>, '_BIG5': <TokenType.INTRODUCER: 'INTRODUCER'>, '_BINARY': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1250': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1251': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1256': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1257': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP850': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP852': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP866': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP932': <TokenType.INTRODUCER: 'INTRODUCER'>, '_DEC8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_EUCJPMS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_EUCKR': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GB18030': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GB2312': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GBK': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GEOSTD8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GREEK': <TokenType.INTRODUCER: 'INTRODUCER'>, '_HEBREW': <TokenType.INTRODUCER: 'INTRODUCER'>, '_HP8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KEYBCS2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KOI8R': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KOI8U': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN1': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN5': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN7': <TokenType.INTRODUCER: 'INTRODUCER'>, '_MACCE': <TokenType.INTRODUCER: 'INTRODUCER'>, '_MACROMAN': <TokenType.INTRODUCER: 'INTRODUCER'>, '_SJIS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_SWE7': <TokenType.INTRODUCER: 'INTRODUCER'>, '_TIS620': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UCS2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UJIS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF16': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF16LE': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF32': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8MB3': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8MB4': <TokenType.INTRODUCER: 'INTRODUCER'>, '@@': <TokenType.SESSION_PARAMETER: 'SESSION_PARAMETER'>}

COMMANDS = {<TokenType.FETCH: 'FETCH'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.EXECUTE: 'EXECUTE'>}

Inherited Members

sqlglot.tokens.Tokenizer: SINGLE_TOKENS; BYTE_STRINGS; RAW_STRINGS; IDENTIFIER_ESCAPES; VAR_SINGLE_TOKENS; IDENTIFIERS_CAN_START_WITH_DIGIT; WHITE_SPACE; COMMAND_PREFIX_TOKENS; NUMERIC_LITERALS; ENCODE; reset; tokenize; peek; size; sql; tokens

sqlglot.dialects.mysql

Inherited Members

Inherited Members

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Inherited Members

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Inherited Members