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 arrow_json_extract_scalar_sql, 9 datestrtodate_sql, 10 format_time_lambda, 11 json_keyvalue_comma_sql, 12 locate_to_strposition, 13 max_or_greatest, 14 min_or_least, 15 no_ilike_sql, 16 no_paren_current_date_sql, 17 no_pivot_sql, 18 no_tablesample_sql, 19 no_trycast_sql, 20 parse_date_delta_with_interval, 21 rename_func, 22 simplify_literal, 23 strposition_to_locate_sql, 24) 25from sqlglot.helper import seq_get 26from sqlglot.tokens import TokenType 27 28 29def _show_parser(*args: t.Any, **kwargs: t.Any) -> t.Callable[[MySQL.Parser], exp.Show]: 30 def _parse(self: MySQL.Parser) -> exp.Show: 31 return self._parse_show_mysql(*args, **kwargs) 32 33 return _parse 34 35 36def _date_trunc_sql(self: MySQL.Generator, expression: exp.DateTrunc) -> str: 37 expr = self.sql(expression, "this") 38 unit = expression.text("unit") 39 40 if unit == "day": 41 return f"DATE({expr})" 42 43 if unit == "week": 44 concat = f"CONCAT(YEAR({expr}), ' ', WEEK({expr}, 1), ' 1')" 45 date_format = "%Y %u %w" 46 elif unit == "month": 47 concat = f"CONCAT(YEAR({expr}), ' ', MONTH({expr}), ' 1')" 48 date_format = "%Y %c %e" 49 elif unit == "quarter": 50 concat = f"CONCAT(YEAR({expr}), ' ', QUARTER({expr}) * 3 - 2, ' 1')" 51 date_format = "%Y %c %e" 52 elif unit == "year": 53 concat = f"CONCAT(YEAR({expr}), ' 1 1')" 54 date_format = "%Y %c %e" 55 else: 56 self.unsupported(f"Unexpected interval unit: {unit}") 57 return f"DATE({expr})" 58 59 return f"STR_TO_DATE({concat}, '{date_format}')" 60 61 62def _str_to_date(args: t.List) -> exp.StrToDate: 63 date_format = MySQL.format_time(seq_get(args, 1)) 64 return exp.StrToDate(this=seq_get(args, 0), format=date_format) 65 66 67def _str_to_date_sql(self: MySQL.Generator, expression: exp.StrToDate | exp.StrToTime) -> str: 68 date_format = self.format_time(expression) 69 return f"STR_TO_DATE({self.sql(expression.this)}, {date_format})" 70 71 72def _trim_sql(self: MySQL.Generator, expression: exp.Trim) -> str: 73 target = self.sql(expression, "this") 74 trim_type = self.sql(expression, "position") 75 remove_chars = self.sql(expression, "expression") 76 77 # Use TRIM/LTRIM/RTRIM syntax if the expression isn't mysql-specific 78 if not remove_chars: 79 return self.trim_sql(expression) 80 81 trim_type = f"{trim_type} " if trim_type else "" 82 remove_chars = f"{remove_chars} " if remove_chars else "" 83 from_part = "FROM " if trim_type or remove_chars else "" 84 return f"TRIM({trim_type}{remove_chars}{from_part}{target})" 85 86 87def _date_add_sql(kind: str) -> t.Callable[[MySQL.Generator, exp.DateAdd | exp.DateSub], str]: 88 def func(self: MySQL.Generator, expression: exp.DateAdd | exp.DateSub) -> str: 89 this = self.sql(expression, "this") 90 unit = expression.text("unit").upper() or "DAY" 91 return f"DATE_{kind}({this}, {self.sql(exp.Interval(this=expression.expression.copy(), unit=unit))})" 92 93 return func 94 95 96class MySQL(Dialect): 97 # https://dev.mysql.com/doc/refman/8.0/en/identifiers.html 98 IDENTIFIERS_CAN_START_WITH_DIGIT = True 99 100 TIME_FORMAT = "'%Y-%m-%d %T'" 101 DPIPE_IS_STRING_CONCAT = False 102 103 # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions 104 TIME_MAPPING = { 105 "%M": "%B", 106 "%c": "%-m", 107 "%e": "%-d", 108 "%h": "%I", 109 "%i": "%M", 110 "%s": "%S", 111 "%u": "%W", 112 "%k": "%-H", 113 "%l": "%-I", 114 "%T": "%H:%M:%S", 115 "%W": "%a", 116 } 117 118 class Tokenizer(tokens.Tokenizer): 119 QUOTES = ["'", '"'] 120 COMMENTS = ["--", "#", ("/*", "*/")] 121 IDENTIFIERS = ["`"] 122 STRING_ESCAPES = ["'", "\\"] 123 BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")] 124 HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")] 125 126 KEYWORDS = { 127 **tokens.Tokenizer.KEYWORDS, 128 "CHARSET": TokenType.CHARACTER_SET, 129 "ENUM": TokenType.ENUM, 130 "FORCE": TokenType.FORCE, 131 "IGNORE": TokenType.IGNORE, 132 "LONGBLOB": TokenType.LONGBLOB, 133 "LONGTEXT": TokenType.LONGTEXT, 134 "MEDIUMBLOB": TokenType.MEDIUMBLOB, 135 "MEDIUMTEXT": TokenType.MEDIUMTEXT, 136 "MEDIUMINT": TokenType.MEDIUMINT, 137 "MEMBER OF": TokenType.MEMBER_OF, 138 "SEPARATOR": TokenType.SEPARATOR, 139 "START": TokenType.BEGIN, 140 "SIGNED": TokenType.BIGINT, 141 "SIGNED INTEGER": TokenType.BIGINT, 142 "UNSIGNED": TokenType.UBIGINT, 143 "UNSIGNED INTEGER": TokenType.UBIGINT, 144 "YEAR": TokenType.YEAR, 145 "_ARMSCII8": TokenType.INTRODUCER, 146 "_ASCII": TokenType.INTRODUCER, 147 "_BIG5": TokenType.INTRODUCER, 148 "_BINARY": TokenType.INTRODUCER, 149 "_CP1250": TokenType.INTRODUCER, 150 "_CP1251": TokenType.INTRODUCER, 151 "_CP1256": TokenType.INTRODUCER, 152 "_CP1257": TokenType.INTRODUCER, 153 "_CP850": TokenType.INTRODUCER, 154 "_CP852": TokenType.INTRODUCER, 155 "_CP866": TokenType.INTRODUCER, 156 "_CP932": TokenType.INTRODUCER, 157 "_DEC8": TokenType.INTRODUCER, 158 "_EUCJPMS": TokenType.INTRODUCER, 159 "_EUCKR": TokenType.INTRODUCER, 160 "_GB18030": TokenType.INTRODUCER, 161 "_GB2312": TokenType.INTRODUCER, 162 "_GBK": TokenType.INTRODUCER, 163 "_GEOSTD8": TokenType.INTRODUCER, 164 "_GREEK": TokenType.INTRODUCER, 165 "_HEBREW": TokenType.INTRODUCER, 166 "_HP8": TokenType.INTRODUCER, 167 "_KEYBCS2": TokenType.INTRODUCER, 168 "_KOI8R": TokenType.INTRODUCER, 169 "_KOI8U": TokenType.INTRODUCER, 170 "_LATIN1": TokenType.INTRODUCER, 171 "_LATIN2": TokenType.INTRODUCER, 172 "_LATIN5": TokenType.INTRODUCER, 173 "_LATIN7": TokenType.INTRODUCER, 174 "_MACCE": TokenType.INTRODUCER, 175 "_MACROMAN": TokenType.INTRODUCER, 176 "_SJIS": TokenType.INTRODUCER, 177 "_SWE7": TokenType.INTRODUCER, 178 "_TIS620": TokenType.INTRODUCER, 179 "_UCS2": TokenType.INTRODUCER, 180 "_UJIS": TokenType.INTRODUCER, 181 # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html 182 "_UTF8": TokenType.INTRODUCER, 183 "_UTF16": TokenType.INTRODUCER, 184 "_UTF16LE": TokenType.INTRODUCER, 185 "_UTF32": TokenType.INTRODUCER, 186 "_UTF8MB3": TokenType.INTRODUCER, 187 "_UTF8MB4": TokenType.INTRODUCER, 188 "@@": TokenType.SESSION_PARAMETER, 189 } 190 191 COMMANDS = tokens.Tokenizer.COMMANDS - {TokenType.SHOW} 192 193 class Parser(parser.Parser): 194 SUPPORTS_USER_DEFINED_TYPES = False 195 196 FUNC_TOKENS = { 197 *parser.Parser.FUNC_TOKENS, 198 TokenType.DATABASE, 199 TokenType.SCHEMA, 200 TokenType.VALUES, 201 } 202 203 CONJUNCTION = { 204 **parser.Parser.CONJUNCTION, 205 TokenType.DAMP: exp.And, 206 TokenType.XOR: exp.Xor, 207 TokenType.DPIPE: exp.Or, 208 } 209 210 # MySQL uses || as a synonym to the logical OR operator 211 # https://dev.mysql.com/doc/refman/8.0/en/logical-operators.html#operator_or 212 BITWISE = parser.Parser.BITWISE.copy() 213 BITWISE.pop(TokenType.DPIPE) 214 215 TABLE_ALIAS_TOKENS = ( 216 parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS 217 ) 218 219 RANGE_PARSERS = { 220 **parser.Parser.RANGE_PARSERS, 221 TokenType.MEMBER_OF: lambda self, this: self.expression( 222 exp.JSONArrayContains, 223 this=this, 224 expression=self._parse_wrapped(self._parse_expression), 225 ), 226 } 227 228 FUNCTIONS = { 229 **parser.Parser.FUNCTIONS, 230 "DATE_ADD": parse_date_delta_with_interval(exp.DateAdd), 231 "DATE_FORMAT": format_time_lambda(exp.TimeToStr, "mysql"), 232 "DATE_SUB": parse_date_delta_with_interval(exp.DateSub), 233 "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)), 234 "LOCATE": locate_to_strposition, 235 "STR_TO_DATE": _str_to_date, 236 } 237 238 FUNCTION_PARSERS = { 239 **parser.Parser.FUNCTION_PARSERS, 240 "GROUP_CONCAT": lambda self: self.expression( 241 exp.GroupConcat, 242 this=self._parse_lambda(), 243 separator=self._match(TokenType.SEPARATOR) and self._parse_field(), 244 ), 245 # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values 246 "VALUES": lambda self: self.expression( 247 exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()] 248 ), 249 } 250 251 STATEMENT_PARSERS = { 252 **parser.Parser.STATEMENT_PARSERS, 253 TokenType.SHOW: lambda self: self._parse_show(), 254 } 255 256 SHOW_PARSERS = { 257 "BINARY LOGS": _show_parser("BINARY LOGS"), 258 "MASTER LOGS": _show_parser("BINARY LOGS"), 259 "BINLOG EVENTS": _show_parser("BINLOG EVENTS"), 260 "CHARACTER SET": _show_parser("CHARACTER SET"), 261 "CHARSET": _show_parser("CHARACTER SET"), 262 "COLLATION": _show_parser("COLLATION"), 263 "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True), 264 "COLUMNS": _show_parser("COLUMNS", target="FROM"), 265 "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True), 266 "CREATE EVENT": _show_parser("CREATE EVENT", target=True), 267 "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True), 268 "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True), 269 "CREATE TABLE": _show_parser("CREATE TABLE", target=True), 270 "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True), 271 "CREATE VIEW": _show_parser("CREATE VIEW", target=True), 272 "DATABASES": _show_parser("DATABASES"), 273 "ENGINE": _show_parser("ENGINE", target=True), 274 "STORAGE ENGINES": _show_parser("ENGINES"), 275 "ENGINES": _show_parser("ENGINES"), 276 "ERRORS": _show_parser("ERRORS"), 277 "EVENTS": _show_parser("EVENTS"), 278 "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True), 279 "FUNCTION STATUS": _show_parser("FUNCTION STATUS"), 280 "GRANTS": _show_parser("GRANTS", target="FOR"), 281 "INDEX": _show_parser("INDEX", target="FROM"), 282 "MASTER STATUS": _show_parser("MASTER STATUS"), 283 "OPEN TABLES": _show_parser("OPEN TABLES"), 284 "PLUGINS": _show_parser("PLUGINS"), 285 "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True), 286 "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"), 287 "PRIVILEGES": _show_parser("PRIVILEGES"), 288 "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True), 289 "PROCESSLIST": _show_parser("PROCESSLIST"), 290 "PROFILE": _show_parser("PROFILE"), 291 "PROFILES": _show_parser("PROFILES"), 292 "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"), 293 "REPLICAS": _show_parser("REPLICAS"), 294 "SLAVE HOSTS": _show_parser("REPLICAS"), 295 "REPLICA STATUS": _show_parser("REPLICA STATUS"), 296 "SLAVE STATUS": _show_parser("REPLICA STATUS"), 297 "GLOBAL STATUS": _show_parser("STATUS", global_=True), 298 "SESSION STATUS": _show_parser("STATUS"), 299 "STATUS": _show_parser("STATUS"), 300 "TABLE STATUS": _show_parser("TABLE STATUS"), 301 "FULL TABLES": _show_parser("TABLES", full=True), 302 "TABLES": _show_parser("TABLES"), 303 "TRIGGERS": _show_parser("TRIGGERS"), 304 "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True), 305 "SESSION VARIABLES": _show_parser("VARIABLES"), 306 "VARIABLES": _show_parser("VARIABLES"), 307 "WARNINGS": _show_parser("WARNINGS"), 308 } 309 310 SET_PARSERS = { 311 **parser.Parser.SET_PARSERS, 312 "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"), 313 "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"), 314 "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 315 "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 316 "NAMES": lambda self: self._parse_set_item_names(), 317 } 318 319 CONSTRAINT_PARSERS = { 320 **parser.Parser.CONSTRAINT_PARSERS, 321 "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"), 322 "INDEX": lambda self: self._parse_index_constraint(), 323 "KEY": lambda self: self._parse_index_constraint(), 324 "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"), 325 } 326 327 SCHEMA_UNNAMED_CONSTRAINTS = { 328 *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS, 329 "FULLTEXT", 330 "INDEX", 331 "KEY", 332 "SPATIAL", 333 } 334 335 PROFILE_TYPES = { 336 "ALL", 337 "BLOCK IO", 338 "CONTEXT SWITCHES", 339 "CPU", 340 "IPC", 341 "MEMORY", 342 "PAGE FAULTS", 343 "SOURCE", 344 "SWAPS", 345 } 346 347 TYPE_TOKENS = { 348 *parser.Parser.TYPE_TOKENS, 349 TokenType.SET, 350 } 351 352 ENUM_TYPE_TOKENS = { 353 *parser.Parser.ENUM_TYPE_TOKENS, 354 TokenType.SET, 355 } 356 357 LOG_DEFAULTS_TO_LN = True 358 359 def _parse_index_constraint( 360 self, kind: t.Optional[str] = None 361 ) -> exp.IndexColumnConstraint: 362 if kind: 363 self._match_texts({"INDEX", "KEY"}) 364 365 this = self._parse_id_var(any_token=False) 366 type_ = self._match(TokenType.USING) and self._advance_any() and self._prev.text 367 schema = self._parse_schema() 368 369 options = [] 370 while True: 371 if self._match_text_seq("KEY_BLOCK_SIZE"): 372 self._match(TokenType.EQ) 373 opt = exp.IndexConstraintOption(key_block_size=self._parse_number()) 374 elif self._match(TokenType.USING): 375 opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text) 376 elif self._match_text_seq("WITH", "PARSER"): 377 opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True)) 378 elif self._match(TokenType.COMMENT): 379 opt = exp.IndexConstraintOption(comment=self._parse_string()) 380 elif self._match_text_seq("VISIBLE"): 381 opt = exp.IndexConstraintOption(visible=True) 382 elif self._match_text_seq("INVISIBLE"): 383 opt = exp.IndexConstraintOption(visible=False) 384 elif self._match_text_seq("ENGINE_ATTRIBUTE"): 385 self._match(TokenType.EQ) 386 opt = exp.IndexConstraintOption(engine_attr=self._parse_string()) 387 elif self._match_text_seq("ENGINE_ATTRIBUTE"): 388 self._match(TokenType.EQ) 389 opt = exp.IndexConstraintOption(engine_attr=self._parse_string()) 390 elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"): 391 self._match(TokenType.EQ) 392 opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string()) 393 else: 394 opt = None 395 396 if not opt: 397 break 398 399 options.append(opt) 400 401 return self.expression( 402 exp.IndexColumnConstraint, 403 this=this, 404 schema=schema, 405 kind=kind, 406 type=type_, 407 options=options, 408 ) 409 410 def _parse_show_mysql( 411 self, 412 this: str, 413 target: bool | str = False, 414 full: t.Optional[bool] = None, 415 global_: t.Optional[bool] = None, 416 ) -> exp.Show: 417 if target: 418 if isinstance(target, str): 419 self._match_text_seq(target) 420 target_id = self._parse_id_var() 421 else: 422 target_id = None 423 424 log = self._parse_string() if self._match_text_seq("IN") else None 425 426 if this in {"BINLOG EVENTS", "RELAYLOG EVENTS"}: 427 position = self._parse_number() if self._match_text_seq("FROM") else None 428 db = None 429 else: 430 position = None 431 db = None 432 433 if self._match(TokenType.FROM): 434 db = self._parse_id_var() 435 elif self._match(TokenType.DOT): 436 db = target_id 437 target_id = self._parse_id_var() 438 439 channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None 440 441 like = self._parse_string() if self._match_text_seq("LIKE") else None 442 where = self._parse_where() 443 444 if this == "PROFILE": 445 types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES)) 446 query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None 447 offset = self._parse_number() if self._match_text_seq("OFFSET") else None 448 limit = self._parse_number() if self._match_text_seq("LIMIT") else None 449 else: 450 types, query = None, None 451 offset, limit = self._parse_oldstyle_limit() 452 453 mutex = True if self._match_text_seq("MUTEX") else None 454 mutex = False if self._match_text_seq("STATUS") else mutex 455 456 return self.expression( 457 exp.Show, 458 this=this, 459 target=target_id, 460 full=full, 461 log=log, 462 position=position, 463 db=db, 464 channel=channel, 465 like=like, 466 where=where, 467 types=types, 468 query=query, 469 offset=offset, 470 limit=limit, 471 mutex=mutex, 472 **{"global": global_}, # type: ignore 473 ) 474 475 def _parse_oldstyle_limit( 476 self, 477 ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]: 478 limit = None 479 offset = None 480 if self._match_text_seq("LIMIT"): 481 parts = self._parse_csv(self._parse_number) 482 if len(parts) == 1: 483 limit = parts[0] 484 elif len(parts) == 2: 485 limit = parts[1] 486 offset = parts[0] 487 488 return offset, limit 489 490 def _parse_set_item_charset(self, kind: str) -> exp.Expression: 491 this = self._parse_string() or self._parse_id_var() 492 return self.expression(exp.SetItem, this=this, kind=kind) 493 494 def _parse_set_item_names(self) -> exp.Expression: 495 charset = self._parse_string() or self._parse_id_var() 496 if self._match_text_seq("COLLATE"): 497 collate = self._parse_string() or self._parse_id_var() 498 else: 499 collate = None 500 501 return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES") 502 503 def _parse_type(self) -> t.Optional[exp.Expression]: 504 # mysql binary is special and can work anywhere, even in order by operations 505 # it operates like a no paren func 506 if self._match(TokenType.BINARY, advance=False): 507 data_type = self._parse_types(check_func=True, allow_identifiers=False) 508 509 if isinstance(data_type, exp.DataType): 510 return self.expression(exp.Cast, this=self._parse_column(), to=data_type) 511 512 return super()._parse_type() 513 514 class Generator(generator.Generator): 515 LOCKING_READS_SUPPORTED = True 516 NULL_ORDERING_SUPPORTED = False 517 JOIN_HINTS = False 518 TABLE_HINTS = True 519 DUPLICATE_KEY_UPDATE_WITH_SET = False 520 QUERY_HINT_SEP = " " 521 VALUES_AS_TABLE = False 522 NVL2_SUPPORTED = False 523 524 TRANSFORMS = { 525 **generator.Generator.TRANSFORMS, 526 exp.CurrentDate: no_paren_current_date_sql, 527 exp.DateDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression), 528 exp.DateAdd: _date_add_sql("ADD"), 529 exp.DateStrToDate: datestrtodate_sql, 530 exp.DateSub: _date_add_sql("SUB"), 531 exp.DateTrunc: _date_trunc_sql, 532 exp.DayOfMonth: rename_func("DAYOFMONTH"), 533 exp.DayOfWeek: rename_func("DAYOFWEEK"), 534 exp.DayOfYear: rename_func("DAYOFYEAR"), 535 exp.GroupConcat: lambda self, e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""", 536 exp.ILike: no_ilike_sql, 537 exp.JSONExtractScalar: arrow_json_extract_scalar_sql, 538 exp.JSONKeyValue: json_keyvalue_comma_sql, 539 exp.Max: max_or_greatest, 540 exp.Min: min_or_least, 541 exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"), 542 exp.NullSafeNEQ: lambda self, e: self.not_sql(self.binary(e, "<=>")), 543 exp.Pivot: no_pivot_sql, 544 exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]), 545 exp.StrPosition: strposition_to_locate_sql, 546 exp.StrToDate: _str_to_date_sql, 547 exp.StrToTime: _str_to_date_sql, 548 exp.Stuff: rename_func("INSERT"), 549 exp.TableSample: no_tablesample_sql, 550 exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"), 551 exp.TimeStrToTime: lambda self, e: self.sql(exp.cast(e.this, "datetime", copy=True)), 552 exp.TimeToStr: lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e)), 553 exp.Trim: _trim_sql, 554 exp.TryCast: no_trycast_sql, 555 exp.WeekOfYear: rename_func("WEEKOFYEAR"), 556 } 557 558 TYPE_MAPPING = generator.Generator.TYPE_MAPPING.copy() 559 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT) 560 TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT) 561 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB) 562 TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB) 563 564 PROPERTIES_LOCATION = { 565 **generator.Generator.PROPERTIES_LOCATION, 566 exp.TransientProperty: exp.Properties.Location.UNSUPPORTED, 567 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, 568 } 569 570 LIMIT_FETCH = "LIMIT" 571 572 # MySQL doesn't support many datatypes in cast. 573 # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast 574 CAST_MAPPING = { 575 exp.DataType.Type.BIGINT: "SIGNED", 576 exp.DataType.Type.BOOLEAN: "SIGNED", 577 exp.DataType.Type.INT: "SIGNED", 578 exp.DataType.Type.TEXT: "CHAR", 579 exp.DataType.Type.UBIGINT: "UNSIGNED", 580 exp.DataType.Type.VARCHAR: "CHAR", 581 } 582 583 def limit_sql(self, expression: exp.Limit, top: bool = False) -> str: 584 # MySQL requires simple literal values for its LIMIT clause. 585 expression = simplify_literal(expression.copy()) 586 return super().limit_sql(expression, top=top) 587 588 def offset_sql(self, expression: exp.Offset) -> str: 589 # MySQL requires simple literal values for its OFFSET clause. 590 expression = simplify_literal(expression.copy()) 591 return super().offset_sql(expression) 592 593 def xor_sql(self, expression: exp.Xor) -> str: 594 if expression.expressions: 595 return self.expressions(expression, sep=" XOR ") 596 return super().xor_sql(expression) 597 598 def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str: 599 return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})" 600 601 def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str: 602 to = self.CAST_MAPPING.get(expression.to.this) 603 604 if to: 605 expression = expression.copy() 606 expression.to.set("this", to) 607 return super().cast_sql(expression) 608 609 def show_sql(self, expression: exp.Show) -> str: 610 this = f" {expression.name}" 611 full = " FULL" if expression.args.get("full") else "" 612 global_ = " GLOBAL" if expression.args.get("global") else "" 613 614 target = self.sql(expression, "target") 615 target = f" {target}" if target else "" 616 if expression.name in {"COLUMNS", "INDEX"}: 617 target = f" FROM{target}" 618 elif expression.name == "GRANTS": 619 target = f" FOR{target}" 620 621 db = self._prefixed_sql("FROM", expression, "db") 622 623 like = self._prefixed_sql("LIKE", expression, "like") 624 where = self.sql(expression, "where") 625 626 types = self.expressions(expression, key="types") 627 types = f" {types}" if types else types 628 query = self._prefixed_sql("FOR QUERY", expression, "query") 629 630 if expression.name == "PROFILE": 631 offset = self._prefixed_sql("OFFSET", expression, "offset") 632 limit = self._prefixed_sql("LIMIT", expression, "limit") 633 else: 634 offset = "" 635 limit = self._oldstyle_limit_sql(expression) 636 637 log = self._prefixed_sql("IN", expression, "log") 638 position = self._prefixed_sql("FROM", expression, "position") 639 640 channel = self._prefixed_sql("FOR CHANNEL", expression, "channel") 641 642 if expression.name == "ENGINE": 643 mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS" 644 else: 645 mutex_or_status = "" 646 647 return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}" 648 649 def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str: 650 sql = self.sql(expression, arg) 651 return f" {prefix} {sql}" if sql else "" 652 653 def _oldstyle_limit_sql(self, expression: exp.Show) -> str: 654 limit = self.sql(expression, "limit") 655 offset = self.sql(expression, "offset") 656 if limit: 657 limit_offset = f"{offset}, {limit}" if offset else limit 658 return f" LIMIT {limit_offset}" 659 return ""
97class MySQL(Dialect): 98 # https://dev.mysql.com/doc/refman/8.0/en/identifiers.html 99 IDENTIFIERS_CAN_START_WITH_DIGIT = True 100 101 TIME_FORMAT = "'%Y-%m-%d %T'" 102 DPIPE_IS_STRING_CONCAT = False 103 104 # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions 105 TIME_MAPPING = { 106 "%M": "%B", 107 "%c": "%-m", 108 "%e": "%-d", 109 "%h": "%I", 110 "%i": "%M", 111 "%s": "%S", 112 "%u": "%W", 113 "%k": "%-H", 114 "%l": "%-I", 115 "%T": "%H:%M:%S", 116 "%W": "%a", 117 } 118 119 class Tokenizer(tokens.Tokenizer): 120 QUOTES = ["'", '"'] 121 COMMENTS = ["--", "#", ("/*", "*/")] 122 IDENTIFIERS = ["`"] 123 STRING_ESCAPES = ["'", "\\"] 124 BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")] 125 HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")] 126 127 KEYWORDS = { 128 **tokens.Tokenizer.KEYWORDS, 129 "CHARSET": TokenType.CHARACTER_SET, 130 "ENUM": TokenType.ENUM, 131 "FORCE": TokenType.FORCE, 132 "IGNORE": TokenType.IGNORE, 133 "LONGBLOB": TokenType.LONGBLOB, 134 "LONGTEXT": TokenType.LONGTEXT, 135 "MEDIUMBLOB": TokenType.MEDIUMBLOB, 136 "MEDIUMTEXT": TokenType.MEDIUMTEXT, 137 "MEDIUMINT": TokenType.MEDIUMINT, 138 "MEMBER OF": TokenType.MEMBER_OF, 139 "SEPARATOR": TokenType.SEPARATOR, 140 "START": TokenType.BEGIN, 141 "SIGNED": TokenType.BIGINT, 142 "SIGNED INTEGER": TokenType.BIGINT, 143 "UNSIGNED": TokenType.UBIGINT, 144 "UNSIGNED INTEGER": TokenType.UBIGINT, 145 "YEAR": TokenType.YEAR, 146 "_ARMSCII8": TokenType.INTRODUCER, 147 "_ASCII": TokenType.INTRODUCER, 148 "_BIG5": TokenType.INTRODUCER, 149 "_BINARY": TokenType.INTRODUCER, 150 "_CP1250": TokenType.INTRODUCER, 151 "_CP1251": TokenType.INTRODUCER, 152 "_CP1256": TokenType.INTRODUCER, 153 "_CP1257": TokenType.INTRODUCER, 154 "_CP850": TokenType.INTRODUCER, 155 "_CP852": TokenType.INTRODUCER, 156 "_CP866": TokenType.INTRODUCER, 157 "_CP932": TokenType.INTRODUCER, 158 "_DEC8": TokenType.INTRODUCER, 159 "_EUCJPMS": TokenType.INTRODUCER, 160 "_EUCKR": TokenType.INTRODUCER, 161 "_GB18030": TokenType.INTRODUCER, 162 "_GB2312": TokenType.INTRODUCER, 163 "_GBK": TokenType.INTRODUCER, 164 "_GEOSTD8": TokenType.INTRODUCER, 165 "_GREEK": TokenType.INTRODUCER, 166 "_HEBREW": TokenType.INTRODUCER, 167 "_HP8": TokenType.INTRODUCER, 168 "_KEYBCS2": TokenType.INTRODUCER, 169 "_KOI8R": TokenType.INTRODUCER, 170 "_KOI8U": TokenType.INTRODUCER, 171 "_LATIN1": TokenType.INTRODUCER, 172 "_LATIN2": TokenType.INTRODUCER, 173 "_LATIN5": TokenType.INTRODUCER, 174 "_LATIN7": TokenType.INTRODUCER, 175 "_MACCE": TokenType.INTRODUCER, 176 "_MACROMAN": TokenType.INTRODUCER, 177 "_SJIS": TokenType.INTRODUCER, 178 "_SWE7": TokenType.INTRODUCER, 179 "_TIS620": TokenType.INTRODUCER, 180 "_UCS2": TokenType.INTRODUCER, 181 "_UJIS": TokenType.INTRODUCER, 182 # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html 183 "_UTF8": TokenType.INTRODUCER, 184 "_UTF16": TokenType.INTRODUCER, 185 "_UTF16LE": TokenType.INTRODUCER, 186 "_UTF32": TokenType.INTRODUCER, 187 "_UTF8MB3": TokenType.INTRODUCER, 188 "_UTF8MB4": TokenType.INTRODUCER, 189 "@@": TokenType.SESSION_PARAMETER, 190 } 191 192 COMMANDS = tokens.Tokenizer.COMMANDS - {TokenType.SHOW} 193 194 class Parser(parser.Parser): 195 SUPPORTS_USER_DEFINED_TYPES = False 196 197 FUNC_TOKENS = { 198 *parser.Parser.FUNC_TOKENS, 199 TokenType.DATABASE, 200 TokenType.SCHEMA, 201 TokenType.VALUES, 202 } 203 204 CONJUNCTION = { 205 **parser.Parser.CONJUNCTION, 206 TokenType.DAMP: exp.And, 207 TokenType.XOR: exp.Xor, 208 TokenType.DPIPE: exp.Or, 209 } 210 211 # MySQL uses || as a synonym to the logical OR operator 212 # https://dev.mysql.com/doc/refman/8.0/en/logical-operators.html#operator_or 213 BITWISE = parser.Parser.BITWISE.copy() 214 BITWISE.pop(TokenType.DPIPE) 215 216 TABLE_ALIAS_TOKENS = ( 217 parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS 218 ) 219 220 RANGE_PARSERS = { 221 **parser.Parser.RANGE_PARSERS, 222 TokenType.MEMBER_OF: lambda self, this: self.expression( 223 exp.JSONArrayContains, 224 this=this, 225 expression=self._parse_wrapped(self._parse_expression), 226 ), 227 } 228 229 FUNCTIONS = { 230 **parser.Parser.FUNCTIONS, 231 "DATE_ADD": parse_date_delta_with_interval(exp.DateAdd), 232 "DATE_FORMAT": format_time_lambda(exp.TimeToStr, "mysql"), 233 "DATE_SUB": parse_date_delta_with_interval(exp.DateSub), 234 "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)), 235 "LOCATE": locate_to_strposition, 236 "STR_TO_DATE": _str_to_date, 237 } 238 239 FUNCTION_PARSERS = { 240 **parser.Parser.FUNCTION_PARSERS, 241 "GROUP_CONCAT": lambda self: self.expression( 242 exp.GroupConcat, 243 this=self._parse_lambda(), 244 separator=self._match(TokenType.SEPARATOR) and self._parse_field(), 245 ), 246 # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values 247 "VALUES": lambda self: self.expression( 248 exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()] 249 ), 250 } 251 252 STATEMENT_PARSERS = { 253 **parser.Parser.STATEMENT_PARSERS, 254 TokenType.SHOW: lambda self: self._parse_show(), 255 } 256 257 SHOW_PARSERS = { 258 "BINARY LOGS": _show_parser("BINARY LOGS"), 259 "MASTER LOGS": _show_parser("BINARY LOGS"), 260 "BINLOG EVENTS": _show_parser("BINLOG EVENTS"), 261 "CHARACTER SET": _show_parser("CHARACTER SET"), 262 "CHARSET": _show_parser("CHARACTER SET"), 263 "COLLATION": _show_parser("COLLATION"), 264 "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True), 265 "COLUMNS": _show_parser("COLUMNS", target="FROM"), 266 "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True), 267 "CREATE EVENT": _show_parser("CREATE EVENT", target=True), 268 "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True), 269 "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True), 270 "CREATE TABLE": _show_parser("CREATE TABLE", target=True), 271 "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True), 272 "CREATE VIEW": _show_parser("CREATE VIEW", target=True), 273 "DATABASES": _show_parser("DATABASES"), 274 "ENGINE": _show_parser("ENGINE", target=True), 275 "STORAGE ENGINES": _show_parser("ENGINES"), 276 "ENGINES": _show_parser("ENGINES"), 277 "ERRORS": _show_parser("ERRORS"), 278 "EVENTS": _show_parser("EVENTS"), 279 "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True), 280 "FUNCTION STATUS": _show_parser("FUNCTION STATUS"), 281 "GRANTS": _show_parser("GRANTS", target="FOR"), 282 "INDEX": _show_parser("INDEX", target="FROM"), 283 "MASTER STATUS": _show_parser("MASTER STATUS"), 284 "OPEN TABLES": _show_parser("OPEN TABLES"), 285 "PLUGINS": _show_parser("PLUGINS"), 286 "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True), 287 "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"), 288 "PRIVILEGES": _show_parser("PRIVILEGES"), 289 "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True), 290 "PROCESSLIST": _show_parser("PROCESSLIST"), 291 "PROFILE": _show_parser("PROFILE"), 292 "PROFILES": _show_parser("PROFILES"), 293 "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"), 294 "REPLICAS": _show_parser("REPLICAS"), 295 "SLAVE HOSTS": _show_parser("REPLICAS"), 296 "REPLICA STATUS": _show_parser("REPLICA STATUS"), 297 "SLAVE STATUS": _show_parser("REPLICA STATUS"), 298 "GLOBAL STATUS": _show_parser("STATUS", global_=True), 299 "SESSION STATUS": _show_parser("STATUS"), 300 "STATUS": _show_parser("STATUS"), 301 "TABLE STATUS": _show_parser("TABLE STATUS"), 302 "FULL TABLES": _show_parser("TABLES", full=True), 303 "TABLES": _show_parser("TABLES"), 304 "TRIGGERS": _show_parser("TRIGGERS"), 305 "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True), 306 "SESSION VARIABLES": _show_parser("VARIABLES"), 307 "VARIABLES": _show_parser("VARIABLES"), 308 "WARNINGS": _show_parser("WARNINGS"), 309 } 310 311 SET_PARSERS = { 312 **parser.Parser.SET_PARSERS, 313 "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"), 314 "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"), 315 "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 316 "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 317 "NAMES": lambda self: self._parse_set_item_names(), 318 } 319 320 CONSTRAINT_PARSERS = { 321 **parser.Parser.CONSTRAINT_PARSERS, 322 "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"), 323 "INDEX": lambda self: self._parse_index_constraint(), 324 "KEY": lambda self: self._parse_index_constraint(), 325 "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"), 326 } 327 328 SCHEMA_UNNAMED_CONSTRAINTS = { 329 *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS, 330 "FULLTEXT", 331 "INDEX", 332 "KEY", 333 "SPATIAL", 334 } 335 336 PROFILE_TYPES = { 337 "ALL", 338 "BLOCK IO", 339 "CONTEXT SWITCHES", 340 "CPU", 341 "IPC", 342 "MEMORY", 343 "PAGE FAULTS", 344 "SOURCE", 345 "SWAPS", 346 } 347 348 TYPE_TOKENS = { 349 *parser.Parser.TYPE_TOKENS, 350 TokenType.SET, 351 } 352 353 ENUM_TYPE_TOKENS = { 354 *parser.Parser.ENUM_TYPE_TOKENS, 355 TokenType.SET, 356 } 357 358 LOG_DEFAULTS_TO_LN = True 359 360 def _parse_index_constraint( 361 self, kind: t.Optional[str] = None 362 ) -> exp.IndexColumnConstraint: 363 if kind: 364 self._match_texts({"INDEX", "KEY"}) 365 366 this = self._parse_id_var(any_token=False) 367 type_ = self._match(TokenType.USING) and self._advance_any() and self._prev.text 368 schema = self._parse_schema() 369 370 options = [] 371 while True: 372 if self._match_text_seq("KEY_BLOCK_SIZE"): 373 self._match(TokenType.EQ) 374 opt = exp.IndexConstraintOption(key_block_size=self._parse_number()) 375 elif self._match(TokenType.USING): 376 opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text) 377 elif self._match_text_seq("WITH", "PARSER"): 378 opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True)) 379 elif self._match(TokenType.COMMENT): 380 opt = exp.IndexConstraintOption(comment=self._parse_string()) 381 elif self._match_text_seq("VISIBLE"): 382 opt = exp.IndexConstraintOption(visible=True) 383 elif self._match_text_seq("INVISIBLE"): 384 opt = exp.IndexConstraintOption(visible=False) 385 elif self._match_text_seq("ENGINE_ATTRIBUTE"): 386 self._match(TokenType.EQ) 387 opt = exp.IndexConstraintOption(engine_attr=self._parse_string()) 388 elif self._match_text_seq("ENGINE_ATTRIBUTE"): 389 self._match(TokenType.EQ) 390 opt = exp.IndexConstraintOption(engine_attr=self._parse_string()) 391 elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"): 392 self._match(TokenType.EQ) 393 opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string()) 394 else: 395 opt = None 396 397 if not opt: 398 break 399 400 options.append(opt) 401 402 return self.expression( 403 exp.IndexColumnConstraint, 404 this=this, 405 schema=schema, 406 kind=kind, 407 type=type_, 408 options=options, 409 ) 410 411 def _parse_show_mysql( 412 self, 413 this: str, 414 target: bool | str = False, 415 full: t.Optional[bool] = None, 416 global_: t.Optional[bool] = None, 417 ) -> exp.Show: 418 if target: 419 if isinstance(target, str): 420 self._match_text_seq(target) 421 target_id = self._parse_id_var() 422 else: 423 target_id = None 424 425 log = self._parse_string() if self._match_text_seq("IN") else None 426 427 if this in {"BINLOG EVENTS", "RELAYLOG EVENTS"}: 428 position = self._parse_number() if self._match_text_seq("FROM") else None 429 db = None 430 else: 431 position = None 432 db = None 433 434 if self._match(TokenType.FROM): 435 db = self._parse_id_var() 436 elif self._match(TokenType.DOT): 437 db = target_id 438 target_id = self._parse_id_var() 439 440 channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None 441 442 like = self._parse_string() if self._match_text_seq("LIKE") else None 443 where = self._parse_where() 444 445 if this == "PROFILE": 446 types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES)) 447 query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None 448 offset = self._parse_number() if self._match_text_seq("OFFSET") else None 449 limit = self._parse_number() if self._match_text_seq("LIMIT") else None 450 else: 451 types, query = None, None 452 offset, limit = self._parse_oldstyle_limit() 453 454 mutex = True if self._match_text_seq("MUTEX") else None 455 mutex = False if self._match_text_seq("STATUS") else mutex 456 457 return self.expression( 458 exp.Show, 459 this=this, 460 target=target_id, 461 full=full, 462 log=log, 463 position=position, 464 db=db, 465 channel=channel, 466 like=like, 467 where=where, 468 types=types, 469 query=query, 470 offset=offset, 471 limit=limit, 472 mutex=mutex, 473 **{"global": global_}, # type: ignore 474 ) 475 476 def _parse_oldstyle_limit( 477 self, 478 ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]: 479 limit = None 480 offset = None 481 if self._match_text_seq("LIMIT"): 482 parts = self._parse_csv(self._parse_number) 483 if len(parts) == 1: 484 limit = parts[0] 485 elif len(parts) == 2: 486 limit = parts[1] 487 offset = parts[0] 488 489 return offset, limit 490 491 def _parse_set_item_charset(self, kind: str) -> exp.Expression: 492 this = self._parse_string() or self._parse_id_var() 493 return self.expression(exp.SetItem, this=this, kind=kind) 494 495 def _parse_set_item_names(self) -> exp.Expression: 496 charset = self._parse_string() or self._parse_id_var() 497 if self._match_text_seq("COLLATE"): 498 collate = self._parse_string() or self._parse_id_var() 499 else: 500 collate = None 501 502 return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES") 503 504 def _parse_type(self) -> t.Optional[exp.Expression]: 505 # mysql binary is special and can work anywhere, even in order by operations 506 # it operates like a no paren func 507 if self._match(TokenType.BINARY, advance=False): 508 data_type = self._parse_types(check_func=True, allow_identifiers=False) 509 510 if isinstance(data_type, exp.DataType): 511 return self.expression(exp.Cast, this=self._parse_column(), to=data_type) 512 513 return super()._parse_type() 514 515 class Generator(generator.Generator): 516 LOCKING_READS_SUPPORTED = True 517 NULL_ORDERING_SUPPORTED = False 518 JOIN_HINTS = False 519 TABLE_HINTS = True 520 DUPLICATE_KEY_UPDATE_WITH_SET = False 521 QUERY_HINT_SEP = " " 522 VALUES_AS_TABLE = False 523 NVL2_SUPPORTED = False 524 525 TRANSFORMS = { 526 **generator.Generator.TRANSFORMS, 527 exp.CurrentDate: no_paren_current_date_sql, 528 exp.DateDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression), 529 exp.DateAdd: _date_add_sql("ADD"), 530 exp.DateStrToDate: datestrtodate_sql, 531 exp.DateSub: _date_add_sql("SUB"), 532 exp.DateTrunc: _date_trunc_sql, 533 exp.DayOfMonth: rename_func("DAYOFMONTH"), 534 exp.DayOfWeek: rename_func("DAYOFWEEK"), 535 exp.DayOfYear: rename_func("DAYOFYEAR"), 536 exp.GroupConcat: lambda self, e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""", 537 exp.ILike: no_ilike_sql, 538 exp.JSONExtractScalar: arrow_json_extract_scalar_sql, 539 exp.JSONKeyValue: json_keyvalue_comma_sql, 540 exp.Max: max_or_greatest, 541 exp.Min: min_or_least, 542 exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"), 543 exp.NullSafeNEQ: lambda self, e: self.not_sql(self.binary(e, "<=>")), 544 exp.Pivot: no_pivot_sql, 545 exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]), 546 exp.StrPosition: strposition_to_locate_sql, 547 exp.StrToDate: _str_to_date_sql, 548 exp.StrToTime: _str_to_date_sql, 549 exp.Stuff: rename_func("INSERT"), 550 exp.TableSample: no_tablesample_sql, 551 exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"), 552 exp.TimeStrToTime: lambda self, e: self.sql(exp.cast(e.this, "datetime", copy=True)), 553 exp.TimeToStr: lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e)), 554 exp.Trim: _trim_sql, 555 exp.TryCast: no_trycast_sql, 556 exp.WeekOfYear: rename_func("WEEKOFYEAR"), 557 } 558 559 TYPE_MAPPING = generator.Generator.TYPE_MAPPING.copy() 560 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT) 561 TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT) 562 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB) 563 TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB) 564 565 PROPERTIES_LOCATION = { 566 **generator.Generator.PROPERTIES_LOCATION, 567 exp.TransientProperty: exp.Properties.Location.UNSUPPORTED, 568 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, 569 } 570 571 LIMIT_FETCH = "LIMIT" 572 573 # MySQL doesn't support many datatypes in cast. 574 # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast 575 CAST_MAPPING = { 576 exp.DataType.Type.BIGINT: "SIGNED", 577 exp.DataType.Type.BOOLEAN: "SIGNED", 578 exp.DataType.Type.INT: "SIGNED", 579 exp.DataType.Type.TEXT: "CHAR", 580 exp.DataType.Type.UBIGINT: "UNSIGNED", 581 exp.DataType.Type.VARCHAR: "CHAR", 582 } 583 584 def limit_sql(self, expression: exp.Limit, top: bool = False) -> str: 585 # MySQL requires simple literal values for its LIMIT clause. 586 expression = simplify_literal(expression.copy()) 587 return super().limit_sql(expression, top=top) 588 589 def offset_sql(self, expression: exp.Offset) -> str: 590 # MySQL requires simple literal values for its OFFSET clause. 591 expression = simplify_literal(expression.copy()) 592 return super().offset_sql(expression) 593 594 def xor_sql(self, expression: exp.Xor) -> str: 595 if expression.expressions: 596 return self.expressions(expression, sep=" XOR ") 597 return super().xor_sql(expression) 598 599 def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str: 600 return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})" 601 602 def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str: 603 to = self.CAST_MAPPING.get(expression.to.this) 604 605 if to: 606 expression = expression.copy() 607 expression.to.set("this", to) 608 return super().cast_sql(expression) 609 610 def show_sql(self, expression: exp.Show) -> str: 611 this = f" {expression.name}" 612 full = " FULL" if expression.args.get("full") else "" 613 global_ = " GLOBAL" if expression.args.get("global") else "" 614 615 target = self.sql(expression, "target") 616 target = f" {target}" if target else "" 617 if expression.name in {"COLUMNS", "INDEX"}: 618 target = f" FROM{target}" 619 elif expression.name == "GRANTS": 620 target = f" FOR{target}" 621 622 db = self._prefixed_sql("FROM", expression, "db") 623 624 like = self._prefixed_sql("LIKE", expression, "like") 625 where = self.sql(expression, "where") 626 627 types = self.expressions(expression, key="types") 628 types = f" {types}" if types else types 629 query = self._prefixed_sql("FOR QUERY", expression, "query") 630 631 if expression.name == "PROFILE": 632 offset = self._prefixed_sql("OFFSET", expression, "offset") 633 limit = self._prefixed_sql("LIMIT", expression, "limit") 634 else: 635 offset = "" 636 limit = self._oldstyle_limit_sql(expression) 637 638 log = self._prefixed_sql("IN", expression, "log") 639 position = self._prefixed_sql("FROM", expression, "position") 640 641 channel = self._prefixed_sql("FOR CHANNEL", expression, "channel") 642 643 if expression.name == "ENGINE": 644 mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS" 645 else: 646 mutex_or_status = "" 647 648 return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}" 649 650 def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str: 651 sql = self.sql(expression, arg) 652 return f" {prefix} {sql}" if sql else "" 653 654 def _oldstyle_limit_sql(self, expression: exp.Show) -> str: 655 limit = self.sql(expression, "limit") 656 offset = self.sql(expression, "offset") 657 if limit: 658 limit_offset = f"{offset}, {limit}" if offset else limit 659 return f" LIMIT {limit_offset}" 660 return ""
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'}
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}, '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}}}
Inherited Members
- sqlglot.dialects.dialect.Dialect
- INDEX_OFFSET
- UNNEST_COLUMN_ONLY
- ALIAS_POST_TABLESAMPLE
- RESOLVES_IDENTIFIERS_AS_UPPERCASE
- 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
119 class Tokenizer(tokens.Tokenizer): 120 QUOTES = ["'", '"'] 121 COMMENTS = ["--", "#", ("/*", "*/")] 122 IDENTIFIERS = ["`"] 123 STRING_ESCAPES = ["'", "\\"] 124 BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")] 125 HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")] 126 127 KEYWORDS = { 128 **tokens.Tokenizer.KEYWORDS, 129 "CHARSET": TokenType.CHARACTER_SET, 130 "ENUM": TokenType.ENUM, 131 "FORCE": TokenType.FORCE, 132 "IGNORE": TokenType.IGNORE, 133 "LONGBLOB": TokenType.LONGBLOB, 134 "LONGTEXT": TokenType.LONGTEXT, 135 "MEDIUMBLOB": TokenType.MEDIUMBLOB, 136 "MEDIUMTEXT": TokenType.MEDIUMTEXT, 137 "MEDIUMINT": TokenType.MEDIUMINT, 138 "MEMBER OF": TokenType.MEMBER_OF, 139 "SEPARATOR": TokenType.SEPARATOR, 140 "START": TokenType.BEGIN, 141 "SIGNED": TokenType.BIGINT, 142 "SIGNED INTEGER": TokenType.BIGINT, 143 "UNSIGNED": TokenType.UBIGINT, 144 "UNSIGNED INTEGER": TokenType.UBIGINT, 145 "YEAR": TokenType.YEAR, 146 "_ARMSCII8": TokenType.INTRODUCER, 147 "_ASCII": TokenType.INTRODUCER, 148 "_BIG5": TokenType.INTRODUCER, 149 "_BINARY": TokenType.INTRODUCER, 150 "_CP1250": TokenType.INTRODUCER, 151 "_CP1251": TokenType.INTRODUCER, 152 "_CP1256": TokenType.INTRODUCER, 153 "_CP1257": TokenType.INTRODUCER, 154 "_CP850": TokenType.INTRODUCER, 155 "_CP852": TokenType.INTRODUCER, 156 "_CP866": TokenType.INTRODUCER, 157 "_CP932": TokenType.INTRODUCER, 158 "_DEC8": TokenType.INTRODUCER, 159 "_EUCJPMS": TokenType.INTRODUCER, 160 "_EUCKR": TokenType.INTRODUCER, 161 "_GB18030": TokenType.INTRODUCER, 162 "_GB2312": TokenType.INTRODUCER, 163 "_GBK": TokenType.INTRODUCER, 164 "_GEOSTD8": TokenType.INTRODUCER, 165 "_GREEK": TokenType.INTRODUCER, 166 "_HEBREW": TokenType.INTRODUCER, 167 "_HP8": TokenType.INTRODUCER, 168 "_KEYBCS2": TokenType.INTRODUCER, 169 "_KOI8R": TokenType.INTRODUCER, 170 "_KOI8U": TokenType.INTRODUCER, 171 "_LATIN1": TokenType.INTRODUCER, 172 "_LATIN2": TokenType.INTRODUCER, 173 "_LATIN5": TokenType.INTRODUCER, 174 "_LATIN7": TokenType.INTRODUCER, 175 "_MACCE": TokenType.INTRODUCER, 176 "_MACROMAN": TokenType.INTRODUCER, 177 "_SJIS": TokenType.INTRODUCER, 178 "_SWE7": TokenType.INTRODUCER, 179 "_TIS620": TokenType.INTRODUCER, 180 "_UCS2": TokenType.INTRODUCER, 181 "_UJIS": TokenType.INTRODUCER, 182 # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html 183 "_UTF8": TokenType.INTRODUCER, 184 "_UTF16": TokenType.INTRODUCER, 185 "_UTF16LE": TokenType.INTRODUCER, 186 "_UTF32": TokenType.INTRODUCER, 187 "_UTF8MB3": TokenType.INTRODUCER, 188 "_UTF8MB4": TokenType.INTRODUCER, 189 "@@": TokenType.SESSION_PARAMETER, 190 } 191 192 COMMANDS = tokens.Tokenizer.COMMANDS - {TokenType.SHOW}
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'>, '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'>, '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'>, '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'>, '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'>, 'TINYINT': <TokenType.TINYINT: 'TINYINT'>, 'SHORT': <TokenType.SMALLINT: 'SMALLINT'>, 'SMALLINT': <TokenType.SMALLINT: 'SMALLINT'>, 'INT128': <TokenType.INT128: 'INT128'>, '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'>, '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'>, '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'>, 'FOR VERSION': <TokenType.VERSION_SNAPSHOT: 'VERSION_SNAPSHOT'>, 'FOR TIMESTAMP': <TokenType.TIMESTAMP_SNAPSHOT: 'TIMESTAMP_SNAPSHOT'>, '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'>, 'MEDIUMINT': <TokenType.MEDIUMINT: 'MEDIUMINT'>, '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'>, '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'>}
194 class Parser(parser.Parser): 195 SUPPORTS_USER_DEFINED_TYPES = False 196 197 FUNC_TOKENS = { 198 *parser.Parser.FUNC_TOKENS, 199 TokenType.DATABASE, 200 TokenType.SCHEMA, 201 TokenType.VALUES, 202 } 203 204 CONJUNCTION = { 205 **parser.Parser.CONJUNCTION, 206 TokenType.DAMP: exp.And, 207 TokenType.XOR: exp.Xor, 208 TokenType.DPIPE: exp.Or, 209 } 210 211 # MySQL uses || as a synonym to the logical OR operator 212 # https://dev.mysql.com/doc/refman/8.0/en/logical-operators.html#operator_or 213 BITWISE = parser.Parser.BITWISE.copy() 214 BITWISE.pop(TokenType.DPIPE) 215 216 TABLE_ALIAS_TOKENS = ( 217 parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS 218 ) 219 220 RANGE_PARSERS = { 221 **parser.Parser.RANGE_PARSERS, 222 TokenType.MEMBER_OF: lambda self, this: self.expression( 223 exp.JSONArrayContains, 224 this=this, 225 expression=self._parse_wrapped(self._parse_expression), 226 ), 227 } 228 229 FUNCTIONS = { 230 **parser.Parser.FUNCTIONS, 231 "DATE_ADD": parse_date_delta_with_interval(exp.DateAdd), 232 "DATE_FORMAT": format_time_lambda(exp.TimeToStr, "mysql"), 233 "DATE_SUB": parse_date_delta_with_interval(exp.DateSub), 234 "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)), 235 "LOCATE": locate_to_strposition, 236 "STR_TO_DATE": _str_to_date, 237 } 238 239 FUNCTION_PARSERS = { 240 **parser.Parser.FUNCTION_PARSERS, 241 "GROUP_CONCAT": lambda self: self.expression( 242 exp.GroupConcat, 243 this=self._parse_lambda(), 244 separator=self._match(TokenType.SEPARATOR) and self._parse_field(), 245 ), 246 # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values 247 "VALUES": lambda self: self.expression( 248 exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()] 249 ), 250 } 251 252 STATEMENT_PARSERS = { 253 **parser.Parser.STATEMENT_PARSERS, 254 TokenType.SHOW: lambda self: self._parse_show(), 255 } 256 257 SHOW_PARSERS = { 258 "BINARY LOGS": _show_parser("BINARY LOGS"), 259 "MASTER LOGS": _show_parser("BINARY LOGS"), 260 "BINLOG EVENTS": _show_parser("BINLOG EVENTS"), 261 "CHARACTER SET": _show_parser("CHARACTER SET"), 262 "CHARSET": _show_parser("CHARACTER SET"), 263 "COLLATION": _show_parser("COLLATION"), 264 "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True), 265 "COLUMNS": _show_parser("COLUMNS", target="FROM"), 266 "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True), 267 "CREATE EVENT": _show_parser("CREATE EVENT", target=True), 268 "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True), 269 "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True), 270 "CREATE TABLE": _show_parser("CREATE TABLE", target=True), 271 "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True), 272 "CREATE VIEW": _show_parser("CREATE VIEW", target=True), 273 "DATABASES": _show_parser("DATABASES"), 274 "ENGINE": _show_parser("ENGINE", target=True), 275 "STORAGE ENGINES": _show_parser("ENGINES"), 276 "ENGINES": _show_parser("ENGINES"), 277 "ERRORS": _show_parser("ERRORS"), 278 "EVENTS": _show_parser("EVENTS"), 279 "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True), 280 "FUNCTION STATUS": _show_parser("FUNCTION STATUS"), 281 "GRANTS": _show_parser("GRANTS", target="FOR"), 282 "INDEX": _show_parser("INDEX", target="FROM"), 283 "MASTER STATUS": _show_parser("MASTER STATUS"), 284 "OPEN TABLES": _show_parser("OPEN TABLES"), 285 "PLUGINS": _show_parser("PLUGINS"), 286 "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True), 287 "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"), 288 "PRIVILEGES": _show_parser("PRIVILEGES"), 289 "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True), 290 "PROCESSLIST": _show_parser("PROCESSLIST"), 291 "PROFILE": _show_parser("PROFILE"), 292 "PROFILES": _show_parser("PROFILES"), 293 "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"), 294 "REPLICAS": _show_parser("REPLICAS"), 295 "SLAVE HOSTS": _show_parser("REPLICAS"), 296 "REPLICA STATUS": _show_parser("REPLICA STATUS"), 297 "SLAVE STATUS": _show_parser("REPLICA STATUS"), 298 "GLOBAL STATUS": _show_parser("STATUS", global_=True), 299 "SESSION STATUS": _show_parser("STATUS"), 300 "STATUS": _show_parser("STATUS"), 301 "TABLE STATUS": _show_parser("TABLE STATUS"), 302 "FULL TABLES": _show_parser("TABLES", full=True), 303 "TABLES": _show_parser("TABLES"), 304 "TRIGGERS": _show_parser("TRIGGERS"), 305 "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True), 306 "SESSION VARIABLES": _show_parser("VARIABLES"), 307 "VARIABLES": _show_parser("VARIABLES"), 308 "WARNINGS": _show_parser("WARNINGS"), 309 } 310 311 SET_PARSERS = { 312 **parser.Parser.SET_PARSERS, 313 "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"), 314 "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"), 315 "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 316 "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 317 "NAMES": lambda self: self._parse_set_item_names(), 318 } 319 320 CONSTRAINT_PARSERS = { 321 **parser.Parser.CONSTRAINT_PARSERS, 322 "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"), 323 "INDEX": lambda self: self._parse_index_constraint(), 324 "KEY": lambda self: self._parse_index_constraint(), 325 "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"), 326 } 327 328 SCHEMA_UNNAMED_CONSTRAINTS = { 329 *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS, 330 "FULLTEXT", 331 "INDEX", 332 "KEY", 333 "SPATIAL", 334 } 335 336 PROFILE_TYPES = { 337 "ALL", 338 "BLOCK IO", 339 "CONTEXT SWITCHES", 340 "CPU", 341 "IPC", 342 "MEMORY", 343 "PAGE FAULTS", 344 "SOURCE", 345 "SWAPS", 346 } 347 348 TYPE_TOKENS = { 349 *parser.Parser.TYPE_TOKENS, 350 TokenType.SET, 351 } 352 353 ENUM_TYPE_TOKENS = { 354 *parser.Parser.ENUM_TYPE_TOKENS, 355 TokenType.SET, 356 } 357 358 LOG_DEFAULTS_TO_LN = True 359 360 def _parse_index_constraint( 361 self, kind: t.Optional[str] = None 362 ) -> exp.IndexColumnConstraint: 363 if kind: 364 self._match_texts({"INDEX", "KEY"}) 365 366 this = self._parse_id_var(any_token=False) 367 type_ = self._match(TokenType.USING) and self._advance_any() and self._prev.text 368 schema = self._parse_schema() 369 370 options = [] 371 while True: 372 if self._match_text_seq("KEY_BLOCK_SIZE"): 373 self._match(TokenType.EQ) 374 opt = exp.IndexConstraintOption(key_block_size=self._parse_number()) 375 elif self._match(TokenType.USING): 376 opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text) 377 elif self._match_text_seq("WITH", "PARSER"): 378 opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True)) 379 elif self._match(TokenType.COMMENT): 380 opt = exp.IndexConstraintOption(comment=self._parse_string()) 381 elif self._match_text_seq("VISIBLE"): 382 opt = exp.IndexConstraintOption(visible=True) 383 elif self._match_text_seq("INVISIBLE"): 384 opt = exp.IndexConstraintOption(visible=False) 385 elif self._match_text_seq("ENGINE_ATTRIBUTE"): 386 self._match(TokenType.EQ) 387 opt = exp.IndexConstraintOption(engine_attr=self._parse_string()) 388 elif self._match_text_seq("ENGINE_ATTRIBUTE"): 389 self._match(TokenType.EQ) 390 opt = exp.IndexConstraintOption(engine_attr=self._parse_string()) 391 elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"): 392 self._match(TokenType.EQ) 393 opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string()) 394 else: 395 opt = None 396 397 if not opt: 398 break 399 400 options.append(opt) 401 402 return self.expression( 403 exp.IndexColumnConstraint, 404 this=this, 405 schema=schema, 406 kind=kind, 407 type=type_, 408 options=options, 409 ) 410 411 def _parse_show_mysql( 412 self, 413 this: str, 414 target: bool | str = False, 415 full: t.Optional[bool] = None, 416 global_: t.Optional[bool] = None, 417 ) -> exp.Show: 418 if target: 419 if isinstance(target, str): 420 self._match_text_seq(target) 421 target_id = self._parse_id_var() 422 else: 423 target_id = None 424 425 log = self._parse_string() if self._match_text_seq("IN") else None 426 427 if this in {"BINLOG EVENTS", "RELAYLOG EVENTS"}: 428 position = self._parse_number() if self._match_text_seq("FROM") else None 429 db = None 430 else: 431 position = None 432 db = None 433 434 if self._match(TokenType.FROM): 435 db = self._parse_id_var() 436 elif self._match(TokenType.DOT): 437 db = target_id 438 target_id = self._parse_id_var() 439 440 channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None 441 442 like = self._parse_string() if self._match_text_seq("LIKE") else None 443 where = self._parse_where() 444 445 if this == "PROFILE": 446 types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES)) 447 query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None 448 offset = self._parse_number() if self._match_text_seq("OFFSET") else None 449 limit = self._parse_number() if self._match_text_seq("LIMIT") else None 450 else: 451 types, query = None, None 452 offset, limit = self._parse_oldstyle_limit() 453 454 mutex = True if self._match_text_seq("MUTEX") else None 455 mutex = False if self._match_text_seq("STATUS") else mutex 456 457 return self.expression( 458 exp.Show, 459 this=this, 460 target=target_id, 461 full=full, 462 log=log, 463 position=position, 464 db=db, 465 channel=channel, 466 like=like, 467 where=where, 468 types=types, 469 query=query, 470 offset=offset, 471 limit=limit, 472 mutex=mutex, 473 **{"global": global_}, # type: ignore 474 ) 475 476 def _parse_oldstyle_limit( 477 self, 478 ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]: 479 limit = None 480 offset = None 481 if self._match_text_seq("LIMIT"): 482 parts = self._parse_csv(self._parse_number) 483 if len(parts) == 1: 484 limit = parts[0] 485 elif len(parts) == 2: 486 limit = parts[1] 487 offset = parts[0] 488 489 return offset, limit 490 491 def _parse_set_item_charset(self, kind: str) -> exp.Expression: 492 this = self._parse_string() or self._parse_id_var() 493 return self.expression(exp.SetItem, this=this, kind=kind) 494 495 def _parse_set_item_names(self) -> exp.Expression: 496 charset = self._parse_string() or self._parse_id_var() 497 if self._match_text_seq("COLLATE"): 498 collate = self._parse_string() or self._parse_id_var() 499 else: 500 collate = None 501 502 return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES") 503 504 def _parse_type(self) -> t.Optional[exp.Expression]: 505 # mysql binary is special and can work anywhere, even in order by operations 506 # it operates like a no paren func 507 if self._match(TokenType.BINARY, advance=False): 508 data_type = self._parse_types(check_func=True, allow_identifiers=False) 509 510 if isinstance(data_type, exp.DataType): 511 return self.expression(exp.Cast, this=self._parse_column(), to=data_type) 512 513 return super()._parse_type()
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: Determines 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.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.UINT128: 'UINT128'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.ROW: 'ROW'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.DATE: 'DATE'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.ENUM: 'ENUM'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.MERGE: 'MERGE'>, <TokenType.INDEX: 'INDEX'>, <TokenType.UINT256: 'UINT256'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.RLIKE: 'RLIKE'>, <TokenType.XML: 'XML'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.TEXT: 'TEXT'>, <TokenType.NESTED: 'NESTED'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.ANY: 'ANY'>, <TokenType.VAR: 'VAR'>, <TokenType.OFFSET: 'OFFSET'>, <TokenType.RIGHT: 'RIGHT'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.TIME: 'TIME'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.INSERT: 'INSERT'>, <TokenType.INT: 'INT'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.SUPER: 'SUPER'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.GLOB: 'GLOB'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, <TokenType.BINARY: 'BINARY'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.BIT: 'BIT'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.INT256: 'INT256'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.INET: 'INET'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.VALUES: 'VALUES'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.LIKE: 'LIKE'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.INT128: 'INT128'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.UUID: 'UUID'>, <TokenType.LEFT: 'LEFT'>, <TokenType.UINT: 'UINT'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.FIRST: 'FIRST'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.WINDOW: 'WINDOW'>, <TokenType.SOME: 'SOME'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.NULL: 'NULL'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.FILTER: 'FILTER'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.ALL: 'ALL'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.YEAR: 'YEAR'>, <TokenType.CHAR: 'CHAR'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.MONEY: 'MONEY'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.JSONB: 'JSONB'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.TABLE: 'TABLE'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.MAP: 'MAP'>, <TokenType.ILIKE: 'ILIKE'>, <TokenType.JSON: 'JSON'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.XOR: 'XOR'>, <TokenType.RANGE: 'RANGE'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.ENUM8: 'ENUM8'>}
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'>}
BITWISE =
{<TokenType.AMP: 'AMP'>: <class 'sqlglot.expressions.BitwiseAnd'>, <TokenType.CARET: 'CARET'>: <class 'sqlglot.expressions.BitwiseXor'>, <TokenType.PIPE: 'PIPE'>: <class 'sqlglot.expressions.BitwiseOr'>}
TABLE_ALIAS_TOKENS =
{<TokenType.UBIGINT: 'UBIGINT'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.ROW: 'ROW'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.DATE: 'DATE'>, <TokenType.ENUM: 'ENUM'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.MERGE: 'MERGE'>, <TokenType.XML: 'XML'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.TEXT: 'TEXT'>, <TokenType.NESTED: 'NESTED'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.VIEW: 'VIEW'>, <TokenType.ANY: 'ANY'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.TEMPORARY: 'TEMPORARY'>, <TokenType.TRUE: 'TRUE'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.VOLATILE: 'VOLATILE'>, <TokenType.DESCRIBE: 'DESCRIBE'>, <TokenType.COMMIT: 'COMMIT'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.BINARY: 'BINARY'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.BEGIN: 'BEGIN'>, <TokenType.FUNCTION: 'FUNCTION'>, <TokenType.BIT: 'BIT'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.INET: 'INET'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.PERCENT: 'PERCENT'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.KEEP: 'KEEP'>, <TokenType.LOAD: 'LOAD'>, <TokenType.ORDINALITY: 'ORDINALITY'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.DELETE: 'DELETE'>, <TokenType.UINT: 'UINT'>, <TokenType.FIRST: 'FIRST'>, <TokenType.SOME: 'SOME'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.SEMI: 'SEMI'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.DIV: 'DIV'>, <TokenType.COMMENT: 'COMMENT'>, <TokenType.CONSTRAINT: 'CONSTRAINT'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.YEAR: 'YEAR'>, <TokenType.UNPIVOT: 'UNPIVOT'>, <TokenType.CHAR: 'CHAR'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.ROWS: 'ROWS'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.JSONB: 'JSONB'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.PRAGMA: 'PRAGMA'>, <TokenType.ESCAPE: 'ESCAPE'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.COLUMN: 'COLUMN'>, <TokenType.PARTITION: 'PARTITION'>, <TokenType.FALSE: 'FALSE'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DEFAULT: 'DEFAULT'>, <TokenType.RANGE: 'RANGE'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.PROCEDURE: 'PROCEDURE'>, <TokenType.UINT128: 'UINT128'>, <TokenType.UNIQUE: 'UNIQUE'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.IS: 'IS'>, <TokenType.SHOW: 'SHOW'>, <TokenType.INDEX: 'INDEX'>, <TokenType.UINT256: 'UINT256'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.DICTIONARY: 'DICTIONARY'>, <TokenType.VAR: 'VAR'>, <TokenType.TIME: 'TIME'>, <TokenType.ANTI: 'ANTI'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.INT: 'INT'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.SUPER: 'SUPER'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.CASE: 'CASE'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.OVERWRITE: 'OVERWRITE'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.INT256: 'INT256'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, <TokenType.END: 'END'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.INT128: 'INT128'>, <TokenType.PIVOT: 'PIVOT'>, <TokenType.NEXT: 'NEXT'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.REFERENCES: 'REFERENCES'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.UUID: 'UUID'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.TOP: 'TOP'>, <TokenType.DESC: 'DESC'>, <TokenType.ASC: 'ASC'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.NULL: 'NULL'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.FILTER: 'FILTER'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.ALL: 'ALL'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.MONEY: 'MONEY'>, <TokenType.SET: 'SET'>, <TokenType.SETTINGS: 'SETTINGS'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.UPDATE: 'UPDATE'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.TABLE: 'TABLE'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.MAP: 'MAP'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.CACHE: 'CACHE'>, <TokenType.JSON: 'JSON'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>}
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'>>, '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'>>, '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_JOIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayJoin'>>, 'ARRAY_SIZE': <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_UNION_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayUnionAgg'>>, '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'>>, 'CEIL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ceil'>>, 'CEILING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ceil'>>, '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'>>, 'CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Concat'>>, 'CONCAT_WS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ConcatWs'>>, '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'>>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Date'>>, 'DATE_ADD': <function parse_date_delta_with_interval.<locals>.func>, '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'>>, '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 parse_date_delta_with_interval.<locals>.func>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Day'>>, 'DAY_OF_MONTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfMonth'>>, 'DAYOFMONTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfMonth'>>, 'DAY_OF_WEEK': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfWeek'>>, 'DAYOFWEEK': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfWeek'>>, 'DAY_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfYear'>>, 'DAYOFYEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfYear'>>, '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'>>, 'EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Extract'>>, 'FIRST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.First'>>, '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_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'>>, 'INITCAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Initcap'>>, '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'>>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONExtract'>>, 'JSON_EXTRACT_SCALAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONExtractScalar'>>, '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'>>, 'LAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Last'>>, 'LAST_DATE_OF_MONTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LastDateOfMonth'>>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Log'>>, 'LOG10': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Log10'>>, 'LOG2': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Log2'>>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Month'>>, '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'>>, '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'>>, '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'>>, 'POWER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pow'>>, 'POW': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pow'>>, 'QUANTILE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Quantile'>>, '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_CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SafeConcat'>>, 'SAFE_DIVIDE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SafeDivide'>>, 'SET_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SetAgg'>>, '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_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_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampAdd'>>, 'TIMESTAMP_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampDiff'>>, '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_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'>>, '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_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToDate'>>, 'TS_OR_DS_TO_DATE_STR': <function Parser.<lambda>>, 'UNHEX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Unhex'>>, '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 parse_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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Week'>>, 'WEEK_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.WeekOfYear'>>, 'WEEKOFYEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.WeekOfYear'>>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Year'>>, 'GLOB': <function Parser.<lambda>>, 'LIKE': <function parse_like>, 'DATE_FORMAT': <function format_time_lambda.<locals>._format_time>, 'INSTR': <function MySQL.Parser.<lambda>>, 'LOCATE': <function locate_to_strposition>}
FUNCTION_PARSERS =
{'ANY_VALUE': <function Parser.<lambda>>, 'CAST': <function Parser.<lambda>>, 'CONCAT': <function Parser.<lambda>>, 'CONVERT': <function Parser.<lambda>>, 'DECODE': <function Parser.<lambda>>, 'EXTRACT': <function Parser.<lambda>>, 'JSON_OBJECT': <function Parser.<lambda>>, 'LOG': <function Parser.<lambda>>, 'MATCH': <function Parser.<lambda>>, 'OPENJSON': <function Parser.<lambda>>, 'POSITION': <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>>, '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.COMMIT: 'COMMIT'>: <function Parser.<lambda>>, <TokenType.COMMENT: 'COMMENT'>: <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.LOAD: 'LOAD'>: <function Parser.<lambda>>, <TokenType.MERGE: 'MERGE'>: <function Parser.<lambda>>, <TokenType.PIVOT: 'PIVOT'>: <function Parser.<lambda>>, <TokenType.PRAGMA: 'PRAGMA'>: <function Parser.<lambda>>, <TokenType.ROLLBACK: 'ROLLBACK'>: <function Parser.<lambda>>, <TokenType.SET: 'SET'>: <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>, '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>}
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>>, '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>>, '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 =
{'SPATIAL', 'UNIQUE', 'KEY', 'INDEX', 'CHECK', 'FULLTEXT', 'FOREIGN KEY', 'LIKE', 'PRIMARY KEY'}
PROFILE_TYPES =
{'SWAPS', 'BLOCK IO', 'PAGE FAULTS', 'ALL', 'CONTEXT SWITCHES', 'SOURCE', 'IPC', 'MEMORY', 'CPU'}
TYPE_TOKENS =
{<TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.UINT128: 'UINT128'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.DATE: 'DATE'>, <TokenType.ENUM: 'ENUM'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.UINT256: 'UINT256'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.XML: 'XML'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.TEXT: 'TEXT'>, <TokenType.NESTED: 'NESTED'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.TIME: 'TIME'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.INT: 'INT'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.SUPER: 'SUPER'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.BINARY: 'BINARY'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.BIT: 'BIT'>, <TokenType.INT256: 'INT256'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.INET: 'INET'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.INT128: 'INT128'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.UUID: 'UUID'>, <TokenType.UINT: 'UINT'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.NULL: 'NULL'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.YEAR: 'YEAR'>, <TokenType.MONEY: 'MONEY'>, <TokenType.CHAR: 'CHAR'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.SET: 'SET'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.JSONB: 'JSONB'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.MAP: 'MAP'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.JSON: 'JSON'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.ENUM8: 'ENUM8'>}
ENUM_TYPE_TOKENS =
{<TokenType.SET: 'SET'>, <TokenType.ENUM: 'ENUM'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.ENUM8: 'ENUM8'>}
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}, '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}}
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}}}
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'}
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}}}
Inherited Members
- sqlglot.parser.Parser
- Parser
- NO_PAREN_FUNCTIONS
- STRUCT_TYPE_TOKENS
- NESTED_TYPE_TOKENS
- SUBQUERY_PREDICATES
- RESERVED_KEYWORDS
- DB_CREATABLES
- CREATABLES
- ID_VAR_TOKENS
- INTERVAL_VARS
- COMMENT_TABLE_ALIAS_TOKENS
- UPDATE_ALIAS_TOKENS
- TRIM_TYPES
- EQUALITY
- COMPARISON
- TERM
- FACTOR
- TIMES
- TIMESTAMPS
- SET_OPERATIONS
- JOIN_METHODS
- JOIN_SIDES
- JOIN_KINDS
- JOIN_HINTS
- LAMBDAS
- COLUMN_OPERATORS
- EXPRESSION_PARSERS
- UNARY_PARSERS
- PRIMARY_PARSERS
- PLACEHOLDER_PARSERS
- PROPERTY_PARSERS
- ALTER_PARSERS
- NO_PAREN_FUNCTION_PARSERS
- INVALID_FUNC_NAME_TOKENS
- FUNCTIONS_WITH_ALIASED_ARGS
- QUERY_MODIFIER_PARSERS
- TYPE_LITERAL_PARSERS
- MODIFIABLES
- DDL_SELECT_TOKENS
- PRE_VOLATILE_TOKENS
- TRANSACTION_KIND
- TRANSACTION_CHARACTERISTICS
- INSERT_ALTERNATIVES
- CLONE_KINDS
- TABLE_INDEX_HINT_TOKENS
- WINDOW_ALIAS_TOKENS
- WINDOW_BEFORE_PAREN_TOKENS
- WINDOW_SIDES
- ADD_CONSTRAINT_TOKENS
- DISTINCT_TOKENS
- STRICT_CAST
- CONCAT_NULL_OUTPUTS_STRING
- PREFIXED_PIVOT_COLUMNS
- IDENTIFY_PIVOT_STRINGS
- LOG_BASE_FIRST
- ALTER_TABLE_ADD_COLUMN_KEYWORD
- INDEX_OFFSET
- UNNEST_COLUMN_ONLY
- ALIAS_POST_TABLESAMPLE
- STRICT_STRING_CONCAT
- NORMALIZE_FUNCTIONS
- NULL_ORDERING
- FORMAT_MAPPING
- error_level
- error_message_context
- max_errors
- reset
- parse
- parse_into
- check_errors
- raise_error
- expression
- validate_expression
- errors
- sql
515 class Generator(generator.Generator): 516 LOCKING_READS_SUPPORTED = True 517 NULL_ORDERING_SUPPORTED = False 518 JOIN_HINTS = False 519 TABLE_HINTS = True 520 DUPLICATE_KEY_UPDATE_WITH_SET = False 521 QUERY_HINT_SEP = " " 522 VALUES_AS_TABLE = False 523 NVL2_SUPPORTED = False 524 525 TRANSFORMS = { 526 **generator.Generator.TRANSFORMS, 527 exp.CurrentDate: no_paren_current_date_sql, 528 exp.DateDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression), 529 exp.DateAdd: _date_add_sql("ADD"), 530 exp.DateStrToDate: datestrtodate_sql, 531 exp.DateSub: _date_add_sql("SUB"), 532 exp.DateTrunc: _date_trunc_sql, 533 exp.DayOfMonth: rename_func("DAYOFMONTH"), 534 exp.DayOfWeek: rename_func("DAYOFWEEK"), 535 exp.DayOfYear: rename_func("DAYOFYEAR"), 536 exp.GroupConcat: lambda self, e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""", 537 exp.ILike: no_ilike_sql, 538 exp.JSONExtractScalar: arrow_json_extract_scalar_sql, 539 exp.JSONKeyValue: json_keyvalue_comma_sql, 540 exp.Max: max_or_greatest, 541 exp.Min: min_or_least, 542 exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"), 543 exp.NullSafeNEQ: lambda self, e: self.not_sql(self.binary(e, "<=>")), 544 exp.Pivot: no_pivot_sql, 545 exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]), 546 exp.StrPosition: strposition_to_locate_sql, 547 exp.StrToDate: _str_to_date_sql, 548 exp.StrToTime: _str_to_date_sql, 549 exp.Stuff: rename_func("INSERT"), 550 exp.TableSample: no_tablesample_sql, 551 exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"), 552 exp.TimeStrToTime: lambda self, e: self.sql(exp.cast(e.this, "datetime", copy=True)), 553 exp.TimeToStr: lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e)), 554 exp.Trim: _trim_sql, 555 exp.TryCast: no_trycast_sql, 556 exp.WeekOfYear: rename_func("WEEKOFYEAR"), 557 } 558 559 TYPE_MAPPING = generator.Generator.TYPE_MAPPING.copy() 560 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT) 561 TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT) 562 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB) 563 TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB) 564 565 PROPERTIES_LOCATION = { 566 **generator.Generator.PROPERTIES_LOCATION, 567 exp.TransientProperty: exp.Properties.Location.UNSUPPORTED, 568 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, 569 } 570 571 LIMIT_FETCH = "LIMIT" 572 573 # MySQL doesn't support many datatypes in cast. 574 # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast 575 CAST_MAPPING = { 576 exp.DataType.Type.BIGINT: "SIGNED", 577 exp.DataType.Type.BOOLEAN: "SIGNED", 578 exp.DataType.Type.INT: "SIGNED", 579 exp.DataType.Type.TEXT: "CHAR", 580 exp.DataType.Type.UBIGINT: "UNSIGNED", 581 exp.DataType.Type.VARCHAR: "CHAR", 582 } 583 584 def limit_sql(self, expression: exp.Limit, top: bool = False) -> str: 585 # MySQL requires simple literal values for its LIMIT clause. 586 expression = simplify_literal(expression.copy()) 587 return super().limit_sql(expression, top=top) 588 589 def offset_sql(self, expression: exp.Offset) -> str: 590 # MySQL requires simple literal values for its OFFSET clause. 591 expression = simplify_literal(expression.copy()) 592 return super().offset_sql(expression) 593 594 def xor_sql(self, expression: exp.Xor) -> str: 595 if expression.expressions: 596 return self.expressions(expression, sep=" XOR ") 597 return super().xor_sql(expression) 598 599 def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str: 600 return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})" 601 602 def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str: 603 to = self.CAST_MAPPING.get(expression.to.this) 604 605 if to: 606 expression = expression.copy() 607 expression.to.set("this", to) 608 return super().cast_sql(expression) 609 610 def show_sql(self, expression: exp.Show) -> str: 611 this = f" {expression.name}" 612 full = " FULL" if expression.args.get("full") else "" 613 global_ = " GLOBAL" if expression.args.get("global") else "" 614 615 target = self.sql(expression, "target") 616 target = f" {target}" if target else "" 617 if expression.name in {"COLUMNS", "INDEX"}: 618 target = f" FROM{target}" 619 elif expression.name == "GRANTS": 620 target = f" FOR{target}" 621 622 db = self._prefixed_sql("FROM", expression, "db") 623 624 like = self._prefixed_sql("LIKE", expression, "like") 625 where = self.sql(expression, "where") 626 627 types = self.expressions(expression, key="types") 628 types = f" {types}" if types else types 629 query = self._prefixed_sql("FOR QUERY", expression, "query") 630 631 if expression.name == "PROFILE": 632 offset = self._prefixed_sql("OFFSET", expression, "offset") 633 limit = self._prefixed_sql("LIMIT", expression, "limit") 634 else: 635 offset = "" 636 limit = self._oldstyle_limit_sql(expression) 637 638 log = self._prefixed_sql("IN", expression, "log") 639 position = self._prefixed_sql("FROM", expression, "position") 640 641 channel = self._prefixed_sql("FOR CHANNEL", expression, "channel") 642 643 if expression.name == "ENGINE": 644 mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS" 645 else: 646 mutex_or_status = "" 647 648 return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}" 649 650 def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str: 651 sql = self.sql(expression, arg) 652 return f" {prefix} {sql}" if sql else "" 653 654 def _oldstyle_limit_sql(self, expression: exp.Show) -> str: 655 limit = self.sql(expression, "limit") 656 offset = self.sql(expression, "offset") 657 if limit: 658 limit_offset = f"{offset}, {limit}" if offset else limit 659 return f" LIMIT {limit_offset}" 660 return ""
Generator converts a given syntax tree to the corresponding SQL string.
Arguments:
- pretty: Whether or not 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 or not to normalize identifiers to lowercase. Default: False.
- pad: Determines the pad size in a formatted string. Default: 2.
- indent: Determines the indentation size in a formatted string. Default: 2.
- normalize_functions: Whether or not to normalize all 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: Determines whether or not 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 or not to preserve comments in the output SQL code. Default: True
TRANSFORMS =
{<class 'sqlglot.expressions.DateAdd'>: <function _date_add_sql.<locals>.func>, <class 'sqlglot.expressions.TsOrDsAdd'>: <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.CheckColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ClusteredColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CollateColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CopyGrantsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CommentColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.DateFormatColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.DefaultColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.EncodeColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ExecuteAsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ExternalProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.HeapProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.InlineLengthColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.IntervalDayToSecondSpan'>: 'DAY TO SECOND', <class 'sqlglot.expressions.IntervalYearToMonthSpan'>: 'YEAR TO MONTH', <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.NoPrimaryIndexProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NonClusteredColumnConstraint'>: <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.PathColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ReturnsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SetProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SettingsProperty'>: <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.ToTableProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TransientProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TitleColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.UppercaseColumnConstraint'>: <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.CurrentDate'>: <function no_paren_current_date_sql>, <class 'sqlglot.expressions.DateDiff'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.DateStrToDate'>: <function datestrtodate_sql>, <class 'sqlglot.expressions.DateSub'>: <function _date_add_sql.<locals>.func>, <class 'sqlglot.expressions.DateTrunc'>: <function _date_trunc_sql>, <class 'sqlglot.expressions.DayOfMonth'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.DayOfWeek'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.DayOfYear'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.GroupConcat'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.ILike'>: <function no_ilike_sql>, <class 'sqlglot.expressions.JSONExtractScalar'>: <function arrow_json_extract_scalar_sql>, <class 'sqlglot.expressions.JSONKeyValue'>: <function json_keyvalue_comma_sql>, <class 'sqlglot.expressions.Max'>: <function max_or_greatest>, <class 'sqlglot.expressions.Min'>: <function min_or_least>, <class 'sqlglot.expressions.NullSafeEQ'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.NullSafeNEQ'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.Pivot'>: <function no_pivot_sql>, <class 'sqlglot.expressions.Select'>: <function preprocess.<locals>._to_sql>, <class 'sqlglot.expressions.StrPosition'>: <function strposition_to_locate_sql>, <class 'sqlglot.expressions.StrToDate'>: <function _str_to_date_sql>, <class 'sqlglot.expressions.StrToTime'>: <function _str_to_date_sql>, <class 'sqlglot.expressions.Stuff'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TableSample'>: <function no_tablesample_sql>, <class 'sqlglot.expressions.TimeStrToUnix'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TimeStrToTime'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TimeToStr'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.Trim'>: <function _trim_sql>, <class 'sqlglot.expressions.TryCast'>: <function no_trycast_sql>, <class 'sqlglot.expressions.WeekOfYear'>: <function rename_func.<locals>.<lambda>>}
TYPE_MAPPING =
{<Type.NCHAR: 'NCHAR'>: 'CHAR', <Type.NVARCHAR: 'NVARCHAR'>: 'VARCHAR', <Type.INET: 'INET'>: 'INET'}
PROPERTIES_LOCATION =
{<class 'sqlglot.expressions.AlgorithmProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.AutoIncrementProperty'>: <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.HeapProperty'>: <Location.POST_WITH: 'POST_WITH'>, <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.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.PartitionedByProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.PrimaryKey'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Property'>: <Location.POST_WITH: 'POST_WITH'>, <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.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.SortKeyProperty'>: <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.MergeTreeTTL'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.VolatileProperty'>: <Location.UNSUPPORTED: 'UNSUPPORTED'>, <class 'sqlglot.expressions.WithDataProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.WithJournalTableProperty'>: <Location.POST_NAME: 'POST_NAME'>}
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'}
def
cast_sql( self, expression: sqlglot.expressions.Cast, safe_prefix: Optional[str] = None) -> str:
610 def show_sql(self, expression: exp.Show) -> str: 611 this = f" {expression.name}" 612 full = " FULL" if expression.args.get("full") else "" 613 global_ = " GLOBAL" if expression.args.get("global") else "" 614 615 target = self.sql(expression, "target") 616 target = f" {target}" if target else "" 617 if expression.name in {"COLUMNS", "INDEX"}: 618 target = f" FROM{target}" 619 elif expression.name == "GRANTS": 620 target = f" FOR{target}" 621 622 db = self._prefixed_sql("FROM", expression, "db") 623 624 like = self._prefixed_sql("LIKE", expression, "like") 625 where = self.sql(expression, "where") 626 627 types = self.expressions(expression, key="types") 628 types = f" {types}" if types else types 629 query = self._prefixed_sql("FOR QUERY", expression, "query") 630 631 if expression.name == "PROFILE": 632 offset = self._prefixed_sql("OFFSET", expression, "offset") 633 limit = self._prefixed_sql("LIMIT", expression, "limit") 634 else: 635 offset = "" 636 limit = self._oldstyle_limit_sql(expression) 637 638 log = self._prefixed_sql("IN", expression, "log") 639 position = self._prefixed_sql("FROM", expression, "position") 640 641 channel = self._prefixed_sql("FOR CHANNEL", expression, "channel") 642 643 if expression.name == "ENGINE": 644 mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS" 645 else: 646 mutex_or_status = "" 647 648 return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
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}}}
@classmethod
def
can_identify(text: str, identify: str | bool = 'safe') -> bool:
256 @classmethod 257 def can_identify(cls, text: str, identify: str | bool = "safe") -> bool: 258 """Checks if text can be identified given an identify option. 259 260 Args: 261 text: The text to check. 262 identify: 263 "always" or `True`: Always returns true. 264 "safe": True if the identifier is case-insensitive. 265 266 Returns: 267 Whether or not the given text can be identified. 268 """ 269 if identify is True or identify == "always": 270 return True 271 272 if identify == "safe": 273 return not cls.case_sensitive(text) 274 275 return False
Checks if text can be identified given an identify option.
Arguments:
- text: The text to check.
- identify: "always" or
True
: Always returns true. "safe": True if the identifier is case-insensitive.
Returns:
Whether or not the given text can be identified.
TOKENIZER_CLASS =
<class 'sqlglot.dialects.mysql.MySQL.Tokenizer'>
Inherited Members
- sqlglot.generator.Generator
- Generator
- EXPLICIT_UNION
- WRAP_DERIVED_VALUES
- CREATE_FUNCTION_RETURN_AS
- MATCHED_BY_SOURCE
- SINGLE_STRING_INTERVAL
- INTERVAL_ALLOWS_PLURAL_FORM
- TABLESAMPLE_WITH_METHOD
- TABLESAMPLE_SIZE_IS_PERCENT
- 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_ADD_COLUMN_KEYWORD
- STAR_MAPPING
- TIME_PART_SINGULARS
- TOKEN_MAPPING
- STRUCT_DELIMITER
- PARAMETER_TOKEN
- RESERVED_KEYWORDS
- WITH_SEPARATED_COMMENTS
- UNWRAPPED_INTERVAL_VALUES
- SENTINEL_LINE_BREAK
- INDEX_OFFSET
- UNNEST_COLUMN_ONLY
- ALIAS_POST_TABLESAMPLE
- STRICT_STRING_CONCAT
- NORMALIZE_FUNCTIONS
- NULL_ORDERING
- ESCAPE_LINE_BREAK
- pretty
- identify
- normalize
- pad
- unsupported_level
- max_unsupported
- leading_comma
- max_text_width
- comments
- normalize_functions
- unsupported_messages
- generate
- 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
- notnullcolumnconstraint_sql
- primarykeycolumnconstraint_sql
- uniquecolumnconstraint_sql
- createable_sql
- create_sql
- clone_sql
- describe_sql
- prepend_ctes
- with_sql
- cte_sql
- tablealias_sql
- bitstring_sql
- hexstring_sql
- bytestring_sql
- rawstring_sql
- datatypeparam_sql
- datatype_sql
- directory_sql
- delete_sql
- drop_sql
- except_sql
- except_op
- fetch_sql
- filter_sql
- hint_sql
- index_sql
- identifier_sql
- inputoutputformat_sql
- national_sql
- partition_sql
- properties_sql
- root_properties
- properties
- with_properties
- locate_properties
- property_sql
- likeproperty_sql
- fallbackproperty_sql
- journalproperty_sql
- freespaceproperty_sql
- checksumproperty_sql
- mergeblockratioproperty_sql
- datablocksizeproperty_sql
- blockcompressionproperty_sql
- isolatedloadingproperty_sql
- lockingproperty_sql
- withdataproperty_sql
- insert_sql
- intersect_sql
- intersect_op
- introducer_sql
- pseudotype_sql
- objectidentifier_sql
- onconflict_sql
- returning_sql
- rowformatdelimitedproperty_sql
- withtablehint_sql
- indextablehint_sql
- 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_sql
- setitem_sql
- set_sql
- pragma_sql
- lock_sql
- literal_sql
- escape_str
- loaddata_sql
- null_sql
- boolean_sql
- order_sql
- cluster_sql
- distribute_sql
- sort_sql
- ordered_sql
- matchrecognize_sql
- query_modifiers
- offset_limit_modifiers
- after_having_modifiers
- after_limit_modifiers
- select_sql
- schema_sql
- schema_columns_sql
- star_sql
- parameter_sql
- sessionparameter_sql
- placeholder_sql
- subquery_sql
- qualify_sql
- union_sql
- union_op
- unnest_sql
- where_sql
- window_sql
- partition_by_sql
- windowspec_sql
- withingroup_sql
- between_sql
- bracket_sql
- safebracket_sql
- all_sql
- any_sql
- exists_sql
- case_sql
- constraint_sql
- nextvaluefor_sql
- extract_sql
- trim_sql
- safeconcat_sql
- check_sql
- foreignkey_sql
- primarykey_sql
- if_sql
- matchagainst_sql
- jsonkeyvalue_sql
- jsonobject_sql
- openjsoncolumndef_sql
- openjson_sql
- in_sql
- in_unnest_op
- interval_sql
- return_sql
- reference_sql
- anonymous_sql
- paren_sql
- neg_sql
- not_sql
- alias_sql
- aliases_sql
- attimezone_sql
- add_sql
- and_sql
- connector_sql
- bitwiseand_sql
- bitwiseleftshift_sql
- bitwisenot_sql
- bitwiseor_sql
- bitwiserightshift_sql
- bitwisexor_sql
- currentdate_sql
- collate_sql
- command_sql
- comment_sql
- mergetreettlaction_sql
- mergetreettl_sql
- transaction_sql
- commit_sql
- rollback_sql
- altercolumn_sql
- renametable_sql
- altertable_sql
- droppartition_sql
- addconstraint_sql
- distinct_sql
- ignorenulls_sql
- respectnulls_sql
- intdiv_sql
- dpipe_sql
- safedpipe_sql
- div_sql
- overlaps_sql
- distance_sql
- dot_sql
- eq_sql
- escape_sql
- glob_sql
- gt_sql
- gte_sql
- ilike_sql
- ilikeany_sql
- is_sql
- like_sql
- likeany_sql
- similarto_sql
- lt_sql
- lte_sql
- mod_sql
- mul_sql
- neq_sql
- nullsafeeq_sql
- nullsafeneq_sql
- or_sql
- slice_sql
- sub_sql
- trycast_sql
- use_sql
- binary
- function_fallback_sql
- func
- format_args
- text_width
- format_time
- expressions
- op_expressions
- naked_property
- set_operation
- tag_sql
- token_sql
- userdefinedfunction_sql
- joinhint_sql
- kwarg_sql
- when_sql
- merge_sql
- tochar_sql
- dictproperty_sql
- dictrange_sql
- dictsubproperty_sql
- oncluster_sql
- clusteredbyproperty_sql
- anyvalue_sql
- querytransform_sql
- indexconstraintoption_sql
- indexcolumnconstraint_sql
- nvl2_sql
- comprehension_sql