sqlglot.dialects.mysql
1from __future__ import annotations 2 3import typing as t 4 5from sqlglot import exp, generator, parser, tokens, transforms 6from sqlglot.dialects.dialect import ( 7 Dialect, 8 NormalizationStrategy, 9 arrow_json_extract_sql, 10 date_add_interval_sql, 11 datestrtodate_sql, 12 build_formatted_time, 13 isnull_to_is_null, 14 locate_to_strposition, 15 max_or_greatest, 16 min_or_least, 17 no_ilike_sql, 18 no_paren_current_date_sql, 19 no_pivot_sql, 20 no_tablesample_sql, 21 no_trycast_sql, 22 build_date_delta, 23 build_date_delta_with_interval, 24 rename_func, 25 strposition_to_locate_sql, 26 unit_to_var, 27) 28from sqlglot.helper import seq_get 29from sqlglot.tokens import TokenType 30 31 32def _show_parser(*args: t.Any, **kwargs: t.Any) -> t.Callable[[MySQL.Parser], exp.Show]: 33 def _parse(self: MySQL.Parser) -> exp.Show: 34 return self._parse_show_mysql(*args, **kwargs) 35 36 return _parse 37 38 39def _date_trunc_sql(self: MySQL.Generator, expression: exp.DateTrunc) -> str: 40 expr = self.sql(expression, "this") 41 unit = expression.text("unit").upper() 42 43 if unit == "WEEK": 44 concat = f"CONCAT(YEAR({expr}), ' ', WEEK({expr}, 1), ' 1')" 45 date_format = "%Y %u %w" 46 elif unit == "MONTH": 47 concat = f"CONCAT(YEAR({expr}), ' ', MONTH({expr}), ' 1')" 48 date_format = "%Y %c %e" 49 elif unit == "QUARTER": 50 concat = f"CONCAT(YEAR({expr}), ' ', QUARTER({expr}) * 3 - 2, ' 1')" 51 date_format = "%Y %c %e" 52 elif unit == "YEAR": 53 concat = f"CONCAT(YEAR({expr}), ' 1 1')" 54 date_format = "%Y %c %e" 55 else: 56 if unit != "DAY": 57 self.unsupported(f"Unexpected interval unit: {unit}") 58 return self.func("DATE", expr) 59 60 return self.func("STR_TO_DATE", concat, f"'{date_format}'") 61 62 63# All specifiers for time parts (as opposed to date parts) 64# https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html#function_date-format 65TIME_SPECIFIERS = {"f", "H", "h", "I", "i", "k", "l", "p", "r", "S", "s", "T"} 66 67 68def _has_time_specifier(date_format: str) -> bool: 69 i = 0 70 length = len(date_format) 71 72 while i < length: 73 if date_format[i] == "%": 74 i += 1 75 if i < length and date_format[i] in TIME_SPECIFIERS: 76 return True 77 i += 1 78 return False 79 80 81def _str_to_date(args: t.List) -> exp.StrToDate | exp.StrToTime: 82 mysql_date_format = seq_get(args, 1) 83 date_format = MySQL.format_time(mysql_date_format) 84 this = seq_get(args, 0) 85 86 if mysql_date_format and _has_time_specifier(mysql_date_format.name): 87 return exp.StrToTime(this=this, format=date_format) 88 89 return exp.StrToDate(this=this, format=date_format) 90 91 92def _str_to_date_sql( 93 self: MySQL.Generator, expression: exp.StrToDate | exp.StrToTime | exp.TsOrDsToDate 94) -> str: 95 return self.func("STR_TO_DATE", expression.this, self.format_time(expression)) 96 97 98def _trim_sql(self: MySQL.Generator, expression: exp.Trim) -> str: 99 target = self.sql(expression, "this") 100 trim_type = self.sql(expression, "position") 101 remove_chars = self.sql(expression, "expression") 102 103 # Use TRIM/LTRIM/RTRIM syntax if the expression isn't mysql-specific 104 if not remove_chars: 105 return self.trim_sql(expression) 106 107 trim_type = f"{trim_type} " if trim_type else "" 108 remove_chars = f"{remove_chars} " if remove_chars else "" 109 from_part = "FROM " if trim_type or remove_chars else "" 110 return f"TRIM({trim_type}{remove_chars}{from_part}{target})" 111 112 113def _unix_to_time_sql(self: MySQL.Generator, expression: exp.UnixToTime) -> str: 114 scale = expression.args.get("scale") 115 timestamp = expression.this 116 117 if scale in (None, exp.UnixToTime.SECONDS): 118 return self.func("FROM_UNIXTIME", timestamp, self.format_time(expression)) 119 120 return self.func( 121 "FROM_UNIXTIME", 122 exp.Div(this=timestamp, expression=exp.func("POW", 10, scale)), 123 self.format_time(expression), 124 ) 125 126 127def date_add_sql( 128 kind: str, 129) -> t.Callable[[generator.Generator, exp.Expression], str]: 130 def func(self: generator.Generator, expression: exp.Expression) -> str: 131 return self.func( 132 f"DATE_{kind}", 133 expression.this, 134 exp.Interval(this=expression.expression, unit=unit_to_var(expression)), 135 ) 136 137 return func 138 139 140def _ts_or_ds_to_date_sql(self: MySQL.Generator, expression: exp.TsOrDsToDate) -> str: 141 time_format = expression.args.get("format") 142 return _str_to_date_sql(self, expression) if time_format else self.func("DATE", expression.this) 143 144 145def _remove_ts_or_ds_to_date( 146 to_sql: t.Optional[t.Callable[[MySQL.Generator, exp.Expression], str]] = None, 147 args: t.Tuple[str, ...] = ("this",), 148) -> t.Callable[[MySQL.Generator, exp.Func], str]: 149 def func(self: MySQL.Generator, expression: exp.Func) -> str: 150 for arg_key in args: 151 arg = expression.args.get(arg_key) 152 if isinstance(arg, exp.TsOrDsToDate) and not arg.args.get("format"): 153 expression.set(arg_key, arg.this) 154 155 return to_sql(self, expression) if to_sql else self.function_fallback_sql(expression) 156 157 return func 158 159 160class MySQL(Dialect): 161 # https://dev.mysql.com/doc/refman/8.0/en/identifiers.html 162 IDENTIFIERS_CAN_START_WITH_DIGIT = True 163 164 # We default to treating all identifiers as case-sensitive, since it matches MySQL's 165 # behavior on Linux systems. For MacOS and Windows systems, one can override this 166 # setting by specifying `dialect="mysql, normalization_strategy = lowercase"`. 167 # 168 # See also https://dev.mysql.com/doc/refman/8.2/en/identifier-case-sensitivity.html 169 NORMALIZATION_STRATEGY = NormalizationStrategy.CASE_SENSITIVE 170 171 TIME_FORMAT = "'%Y-%m-%d %T'" 172 DPIPE_IS_STRING_CONCAT = False 173 SUPPORTS_USER_DEFINED_TYPES = False 174 SUPPORTS_SEMI_ANTI_JOIN = False 175 SAFE_DIVISION = True 176 177 # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions 178 TIME_MAPPING = { 179 "%M": "%B", 180 "%c": "%-m", 181 "%e": "%-d", 182 "%h": "%I", 183 "%i": "%M", 184 "%s": "%S", 185 "%u": "%W", 186 "%k": "%-H", 187 "%l": "%-I", 188 "%T": "%H:%M:%S", 189 "%W": "%a", 190 } 191 192 class Tokenizer(tokens.Tokenizer): 193 QUOTES = ["'", '"'] 194 COMMENTS = ["--", "#", ("/*", "*/")] 195 IDENTIFIERS = ["`"] 196 STRING_ESCAPES = ["'", '"', "\\"] 197 BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")] 198 HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")] 199 200 KEYWORDS = { 201 **tokens.Tokenizer.KEYWORDS, 202 "CHARSET": TokenType.CHARACTER_SET, 203 "FORCE": TokenType.FORCE, 204 "IGNORE": TokenType.IGNORE, 205 "LOCK TABLES": TokenType.COMMAND, 206 "LONGBLOB": TokenType.LONGBLOB, 207 "LONGTEXT": TokenType.LONGTEXT, 208 "MEDIUMBLOB": TokenType.MEDIUMBLOB, 209 "TINYBLOB": TokenType.TINYBLOB, 210 "TINYTEXT": TokenType.TINYTEXT, 211 "MEDIUMTEXT": TokenType.MEDIUMTEXT, 212 "MEDIUMINT": TokenType.MEDIUMINT, 213 "MEMBER OF": TokenType.MEMBER_OF, 214 "SEPARATOR": TokenType.SEPARATOR, 215 "START": TokenType.BEGIN, 216 "SIGNED": TokenType.BIGINT, 217 "SIGNED INTEGER": TokenType.BIGINT, 218 "UNLOCK TABLES": TokenType.COMMAND, 219 "UNSIGNED": TokenType.UBIGINT, 220 "UNSIGNED INTEGER": TokenType.UBIGINT, 221 "YEAR": TokenType.YEAR, 222 "_ARMSCII8": TokenType.INTRODUCER, 223 "_ASCII": TokenType.INTRODUCER, 224 "_BIG5": TokenType.INTRODUCER, 225 "_BINARY": TokenType.INTRODUCER, 226 "_CP1250": TokenType.INTRODUCER, 227 "_CP1251": TokenType.INTRODUCER, 228 "_CP1256": TokenType.INTRODUCER, 229 "_CP1257": TokenType.INTRODUCER, 230 "_CP850": TokenType.INTRODUCER, 231 "_CP852": TokenType.INTRODUCER, 232 "_CP866": TokenType.INTRODUCER, 233 "_CP932": TokenType.INTRODUCER, 234 "_DEC8": TokenType.INTRODUCER, 235 "_EUCJPMS": TokenType.INTRODUCER, 236 "_EUCKR": TokenType.INTRODUCER, 237 "_GB18030": TokenType.INTRODUCER, 238 "_GB2312": TokenType.INTRODUCER, 239 "_GBK": TokenType.INTRODUCER, 240 "_GEOSTD8": TokenType.INTRODUCER, 241 "_GREEK": TokenType.INTRODUCER, 242 "_HEBREW": TokenType.INTRODUCER, 243 "_HP8": TokenType.INTRODUCER, 244 "_KEYBCS2": TokenType.INTRODUCER, 245 "_KOI8R": TokenType.INTRODUCER, 246 "_KOI8U": TokenType.INTRODUCER, 247 "_LATIN1": TokenType.INTRODUCER, 248 "_LATIN2": TokenType.INTRODUCER, 249 "_LATIN5": TokenType.INTRODUCER, 250 "_LATIN7": TokenType.INTRODUCER, 251 "_MACCE": TokenType.INTRODUCER, 252 "_MACROMAN": TokenType.INTRODUCER, 253 "_SJIS": TokenType.INTRODUCER, 254 "_SWE7": TokenType.INTRODUCER, 255 "_TIS620": TokenType.INTRODUCER, 256 "_UCS2": TokenType.INTRODUCER, 257 "_UJIS": TokenType.INTRODUCER, 258 # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html 259 "_UTF8": TokenType.INTRODUCER, 260 "_UTF16": TokenType.INTRODUCER, 261 "_UTF16LE": TokenType.INTRODUCER, 262 "_UTF32": TokenType.INTRODUCER, 263 "_UTF8MB3": TokenType.INTRODUCER, 264 "_UTF8MB4": TokenType.INTRODUCER, 265 "@@": TokenType.SESSION_PARAMETER, 266 } 267 268 COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW} 269 270 class Parser(parser.Parser): 271 FUNC_TOKENS = { 272 *parser.Parser.FUNC_TOKENS, 273 TokenType.DATABASE, 274 TokenType.SCHEMA, 275 TokenType.VALUES, 276 } 277 278 CONJUNCTION = { 279 **parser.Parser.CONJUNCTION, 280 TokenType.DAMP: exp.And, 281 TokenType.XOR: exp.Xor, 282 TokenType.DPIPE: exp.Or, 283 } 284 285 TABLE_ALIAS_TOKENS = ( 286 parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS 287 ) 288 289 RANGE_PARSERS = { 290 **parser.Parser.RANGE_PARSERS, 291 TokenType.MEMBER_OF: lambda self, this: self.expression( 292 exp.JSONArrayContains, 293 this=this, 294 expression=self._parse_wrapped(self._parse_expression), 295 ), 296 } 297 298 FUNCTIONS = { 299 **parser.Parser.FUNCTIONS, 300 "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)), 301 "DATE_ADD": build_date_delta_with_interval(exp.DateAdd), 302 "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"), 303 "DATE_SUB": build_date_delta_with_interval(exp.DateSub), 304 "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 305 "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 306 "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 307 "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 308 "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)), 309 "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"), 310 "ISNULL": isnull_to_is_null, 311 "LOCATE": locate_to_strposition, 312 "MAKETIME": exp.TimeFromParts.from_arg_list, 313 "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 314 "MONTHNAME": lambda args: exp.TimeToStr( 315 this=exp.TsOrDsToDate(this=seq_get(args, 0)), 316 format=exp.Literal.string("%B"), 317 ), 318 "STR_TO_DATE": _str_to_date, 319 "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff), 320 "TO_DAYS": lambda args: exp.paren( 321 exp.DateDiff( 322 this=exp.TsOrDsToDate(this=seq_get(args, 0)), 323 expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")), 324 unit=exp.var("DAY"), 325 ) 326 + 1 327 ), 328 "WEEK": lambda args: exp.Week( 329 this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1) 330 ), 331 "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 332 "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 333 } 334 335 FUNCTION_PARSERS = { 336 **parser.Parser.FUNCTION_PARSERS, 337 "CHAR": lambda self: self._parse_chr(), 338 "GROUP_CONCAT": lambda self: self._parse_group_concat(), 339 # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values 340 "VALUES": lambda self: self.expression( 341 exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()] 342 ), 343 } 344 345 STATEMENT_PARSERS = { 346 **parser.Parser.STATEMENT_PARSERS, 347 TokenType.SHOW: lambda self: self._parse_show(), 348 } 349 350 SHOW_PARSERS = { 351 "BINARY LOGS": _show_parser("BINARY LOGS"), 352 "MASTER LOGS": _show_parser("BINARY LOGS"), 353 "BINLOG EVENTS": _show_parser("BINLOG EVENTS"), 354 "CHARACTER SET": _show_parser("CHARACTER SET"), 355 "CHARSET": _show_parser("CHARACTER SET"), 356 "COLLATION": _show_parser("COLLATION"), 357 "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True), 358 "COLUMNS": _show_parser("COLUMNS", target="FROM"), 359 "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True), 360 "CREATE EVENT": _show_parser("CREATE EVENT", target=True), 361 "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True), 362 "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True), 363 "CREATE TABLE": _show_parser("CREATE TABLE", target=True), 364 "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True), 365 "CREATE VIEW": _show_parser("CREATE VIEW", target=True), 366 "DATABASES": _show_parser("DATABASES"), 367 "SCHEMAS": _show_parser("DATABASES"), 368 "ENGINE": _show_parser("ENGINE", target=True), 369 "STORAGE ENGINES": _show_parser("ENGINES"), 370 "ENGINES": _show_parser("ENGINES"), 371 "ERRORS": _show_parser("ERRORS"), 372 "EVENTS": _show_parser("EVENTS"), 373 "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True), 374 "FUNCTION STATUS": _show_parser("FUNCTION STATUS"), 375 "GRANTS": _show_parser("GRANTS", target="FOR"), 376 "INDEX": _show_parser("INDEX", target="FROM"), 377 "MASTER STATUS": _show_parser("MASTER STATUS"), 378 "OPEN TABLES": _show_parser("OPEN TABLES"), 379 "PLUGINS": _show_parser("PLUGINS"), 380 "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True), 381 "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"), 382 "PRIVILEGES": _show_parser("PRIVILEGES"), 383 "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True), 384 "PROCESSLIST": _show_parser("PROCESSLIST"), 385 "PROFILE": _show_parser("PROFILE"), 386 "PROFILES": _show_parser("PROFILES"), 387 "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"), 388 "REPLICAS": _show_parser("REPLICAS"), 389 "SLAVE HOSTS": _show_parser("REPLICAS"), 390 "REPLICA STATUS": _show_parser("REPLICA STATUS"), 391 "SLAVE STATUS": _show_parser("REPLICA STATUS"), 392 "GLOBAL STATUS": _show_parser("STATUS", global_=True), 393 "SESSION STATUS": _show_parser("STATUS"), 394 "STATUS": _show_parser("STATUS"), 395 "TABLE STATUS": _show_parser("TABLE STATUS"), 396 "FULL TABLES": _show_parser("TABLES", full=True), 397 "TABLES": _show_parser("TABLES"), 398 "TRIGGERS": _show_parser("TRIGGERS"), 399 "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True), 400 "SESSION VARIABLES": _show_parser("VARIABLES"), 401 "VARIABLES": _show_parser("VARIABLES"), 402 "WARNINGS": _show_parser("WARNINGS"), 403 } 404 405 PROPERTY_PARSERS = { 406 **parser.Parser.PROPERTY_PARSERS, 407 "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty), 408 } 409 410 SET_PARSERS = { 411 **parser.Parser.SET_PARSERS, 412 "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"), 413 "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"), 414 "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 415 "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 416 "NAMES": lambda self: self._parse_set_item_names(), 417 } 418 419 CONSTRAINT_PARSERS = { 420 **parser.Parser.CONSTRAINT_PARSERS, 421 "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"), 422 "INDEX": lambda self: self._parse_index_constraint(), 423 "KEY": lambda self: self._parse_index_constraint(), 424 "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"), 425 } 426 427 ALTER_PARSERS = { 428 **parser.Parser.ALTER_PARSERS, 429 "MODIFY": lambda self: self._parse_alter_table_alter(), 430 } 431 432 SCHEMA_UNNAMED_CONSTRAINTS = { 433 *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS, 434 "FULLTEXT", 435 "INDEX", 436 "KEY", 437 "SPATIAL", 438 } 439 440 PROFILE_TYPES: parser.OPTIONS_TYPE = { 441 **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()), 442 "BLOCK": ("IO",), 443 "CONTEXT": ("SWITCHES",), 444 "PAGE": ("FAULTS",), 445 } 446 447 TYPE_TOKENS = { 448 *parser.Parser.TYPE_TOKENS, 449 TokenType.SET, 450 } 451 452 ENUM_TYPE_TOKENS = { 453 *parser.Parser.ENUM_TYPE_TOKENS, 454 TokenType.SET, 455 } 456 457 LOG_DEFAULTS_TO_LN = True 458 STRING_ALIASES = True 459 VALUES_FOLLOWED_BY_PAREN = False 460 SUPPORTS_PARTITION_SELECTION = True 461 462 def _parse_primary_key_part(self) -> t.Optional[exp.Expression]: 463 this = self._parse_id_var() 464 if not self._match(TokenType.L_PAREN): 465 return this 466 467 expression = self._parse_number() 468 self._match_r_paren() 469 return self.expression(exp.ColumnPrefix, this=this, expression=expression) 470 471 def _parse_index_constraint( 472 self, kind: t.Optional[str] = None 473 ) -> exp.IndexColumnConstraint: 474 if kind: 475 self._match_texts(("INDEX", "KEY")) 476 477 this = self._parse_id_var(any_token=False) 478 index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text 479 expressions = self._parse_wrapped_csv(self._parse_ordered) 480 481 options = [] 482 while True: 483 if self._match_text_seq("KEY_BLOCK_SIZE"): 484 self._match(TokenType.EQ) 485 opt = exp.IndexConstraintOption(key_block_size=self._parse_number()) 486 elif self._match(TokenType.USING): 487 opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text) 488 elif self._match_text_seq("WITH", "PARSER"): 489 opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True)) 490 elif self._match(TokenType.COMMENT): 491 opt = exp.IndexConstraintOption(comment=self._parse_string()) 492 elif self._match_text_seq("VISIBLE"): 493 opt = exp.IndexConstraintOption(visible=True) 494 elif self._match_text_seq("INVISIBLE"): 495 opt = exp.IndexConstraintOption(visible=False) 496 elif self._match_text_seq("ENGINE_ATTRIBUTE"): 497 self._match(TokenType.EQ) 498 opt = exp.IndexConstraintOption(engine_attr=self._parse_string()) 499 elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"): 500 self._match(TokenType.EQ) 501 opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string()) 502 else: 503 opt = None 504 505 if not opt: 506 break 507 508 options.append(opt) 509 510 return self.expression( 511 exp.IndexColumnConstraint, 512 this=this, 513 expressions=expressions, 514 kind=kind, 515 index_type=index_type, 516 options=options, 517 ) 518 519 def _parse_show_mysql( 520 self, 521 this: str, 522 target: bool | str = False, 523 full: t.Optional[bool] = None, 524 global_: t.Optional[bool] = None, 525 ) -> exp.Show: 526 if target: 527 if isinstance(target, str): 528 self._match_text_seq(target) 529 target_id = self._parse_id_var() 530 else: 531 target_id = None 532 533 log = self._parse_string() if self._match_text_seq("IN") else None 534 535 if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"): 536 position = self._parse_number() if self._match_text_seq("FROM") else None 537 db = None 538 else: 539 position = None 540 db = None 541 542 if self._match(TokenType.FROM): 543 db = self._parse_id_var() 544 elif self._match(TokenType.DOT): 545 db = target_id 546 target_id = self._parse_id_var() 547 548 channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None 549 550 like = self._parse_string() if self._match_text_seq("LIKE") else None 551 where = self._parse_where() 552 553 if this == "PROFILE": 554 types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES)) 555 query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None 556 offset = self._parse_number() if self._match_text_seq("OFFSET") else None 557 limit = self._parse_number() if self._match_text_seq("LIMIT") else None 558 else: 559 types, query = None, None 560 offset, limit = self._parse_oldstyle_limit() 561 562 mutex = True if self._match_text_seq("MUTEX") else None 563 mutex = False if self._match_text_seq("STATUS") else mutex 564 565 return self.expression( 566 exp.Show, 567 this=this, 568 target=target_id, 569 full=full, 570 log=log, 571 position=position, 572 db=db, 573 channel=channel, 574 like=like, 575 where=where, 576 types=types, 577 query=query, 578 offset=offset, 579 limit=limit, 580 mutex=mutex, 581 **{"global": global_}, # type: ignore 582 ) 583 584 def _parse_oldstyle_limit( 585 self, 586 ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]: 587 limit = None 588 offset = None 589 if self._match_text_seq("LIMIT"): 590 parts = self._parse_csv(self._parse_number) 591 if len(parts) == 1: 592 limit = parts[0] 593 elif len(parts) == 2: 594 limit = parts[1] 595 offset = parts[0] 596 597 return offset, limit 598 599 def _parse_set_item_charset(self, kind: str) -> exp.Expression: 600 this = self._parse_string() or self._parse_id_var() 601 return self.expression(exp.SetItem, this=this, kind=kind) 602 603 def _parse_set_item_names(self) -> exp.Expression: 604 charset = self._parse_string() or self._parse_id_var() 605 if self._match_text_seq("COLLATE"): 606 collate = self._parse_string() or self._parse_id_var() 607 else: 608 collate = None 609 610 return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES") 611 612 def _parse_type( 613 self, parse_interval: bool = True, fallback_to_identifier: bool = False 614 ) -> t.Optional[exp.Expression]: 615 # mysql binary is special and can work anywhere, even in order by operations 616 # it operates like a no paren func 617 if self._match(TokenType.BINARY, advance=False): 618 data_type = self._parse_types(check_func=True, allow_identifiers=False) 619 620 if isinstance(data_type, exp.DataType): 621 return self.expression(exp.Cast, this=self._parse_column(), to=data_type) 622 623 return super()._parse_type( 624 parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier 625 ) 626 627 def _parse_chr(self) -> t.Optional[exp.Expression]: 628 expressions = self._parse_csv(self._parse_conjunction) 629 kwargs: t.Dict[str, t.Any] = {"this": seq_get(expressions, 0)} 630 631 if len(expressions) > 1: 632 kwargs["expressions"] = expressions[1:] 633 634 if self._match(TokenType.USING): 635 kwargs["charset"] = self._parse_var() 636 637 return self.expression(exp.Chr, **kwargs) 638 639 def _parse_group_concat(self) -> t.Optional[exp.Expression]: 640 def concat_exprs( 641 node: t.Optional[exp.Expression], exprs: t.List[exp.Expression] 642 ) -> exp.Expression: 643 if isinstance(node, exp.Distinct) and len(node.expressions) > 1: 644 concat_exprs = [ 645 self.expression(exp.Concat, expressions=node.expressions, safe=True) 646 ] 647 node.set("expressions", concat_exprs) 648 return node 649 if len(exprs) == 1: 650 return exprs[0] 651 return self.expression(exp.Concat, expressions=args, safe=True) 652 653 args = self._parse_csv(self._parse_lambda) 654 655 if args: 656 order = args[-1] if isinstance(args[-1], exp.Order) else None 657 658 if order: 659 # Order By is the last (or only) expression in the list and has consumed the 'expr' before it, 660 # remove 'expr' from exp.Order and add it back to args 661 args[-1] = order.this 662 order.set("this", concat_exprs(order.this, args)) 663 664 this = order or concat_exprs(args[0], args) 665 else: 666 this = None 667 668 separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None 669 670 return self.expression(exp.GroupConcat, this=this, separator=separator) 671 672 class Generator(generator.Generator): 673 LOCKING_READS_SUPPORTED = True 674 NULL_ORDERING_SUPPORTED = None 675 JOIN_HINTS = False 676 TABLE_HINTS = True 677 DUPLICATE_KEY_UPDATE_WITH_SET = False 678 QUERY_HINT_SEP = " " 679 VALUES_AS_TABLE = False 680 NVL2_SUPPORTED = False 681 LAST_DAY_SUPPORTS_DATE_PART = False 682 JSON_TYPE_REQUIRED_FOR_EXTRACTION = True 683 JSON_PATH_BRACKETED_KEY_SUPPORTED = False 684 JSON_KEY_VALUE_PAIR_SEP = "," 685 SUPPORTS_TO_NUMBER = False 686 687 TRANSFORMS = { 688 **generator.Generator.TRANSFORMS, 689 exp.ArrayAgg: rename_func("GROUP_CONCAT"), 690 exp.CurrentDate: no_paren_current_date_sql, 691 exp.DateDiff: _remove_ts_or_ds_to_date( 692 lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression") 693 ), 694 exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")), 695 exp.DateStrToDate: datestrtodate_sql, 696 exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")), 697 exp.DateTrunc: _date_trunc_sql, 698 exp.Day: _remove_ts_or_ds_to_date(), 699 exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")), 700 exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")), 701 exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")), 702 exp.GroupConcat: lambda self, 703 e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""", 704 exp.ILike: no_ilike_sql, 705 exp.JSONExtractScalar: arrow_json_extract_sql, 706 exp.Max: max_or_greatest, 707 exp.Min: min_or_least, 708 exp.Month: _remove_ts_or_ds_to_date(), 709 exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"), 710 exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}", 711 exp.ParseJSON: lambda self, e: self.sql(e, "this"), 712 exp.Pivot: no_pivot_sql, 713 exp.Select: transforms.preprocess( 714 [ 715 transforms.eliminate_distinct_on, 716 transforms.eliminate_semi_and_anti_joins, 717 transforms.eliminate_qualify, 718 transforms.eliminate_full_outer_join, 719 ] 720 ), 721 exp.StrPosition: strposition_to_locate_sql, 722 exp.StrToDate: _str_to_date_sql, 723 exp.StrToTime: _str_to_date_sql, 724 exp.Stuff: rename_func("INSERT"), 725 exp.TableSample: no_tablesample_sql, 726 exp.TimeFromParts: rename_func("MAKETIME"), 727 exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"), 728 exp.TimestampDiff: lambda self, e: self.func( 729 "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this 730 ), 731 exp.TimestampSub: date_add_interval_sql("DATE", "SUB"), 732 exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"), 733 exp.TimeStrToTime: lambda self, e: self.sql( 734 exp.cast(e.this, exp.DataType.Type.DATETIME, copy=True) 735 ), 736 exp.TimeToStr: _remove_ts_or_ds_to_date( 737 lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e)) 738 ), 739 exp.Trim: _trim_sql, 740 exp.TryCast: no_trycast_sql, 741 exp.TsOrDsAdd: date_add_sql("ADD"), 742 exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression), 743 exp.TsOrDsToDate: _ts_or_ds_to_date_sql, 744 exp.UnixToTime: _unix_to_time_sql, 745 exp.Week: _remove_ts_or_ds_to_date(), 746 exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")), 747 exp.Year: _remove_ts_or_ds_to_date(), 748 } 749 750 UNSIGNED_TYPE_MAPPING = { 751 exp.DataType.Type.UBIGINT: "BIGINT", 752 exp.DataType.Type.UINT: "INT", 753 exp.DataType.Type.UMEDIUMINT: "MEDIUMINT", 754 exp.DataType.Type.USMALLINT: "SMALLINT", 755 exp.DataType.Type.UTINYINT: "TINYINT", 756 exp.DataType.Type.UDECIMAL: "DECIMAL", 757 } 758 759 TIMESTAMP_TYPE_MAPPING = { 760 exp.DataType.Type.TIMESTAMP: "DATETIME", 761 exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP", 762 exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP", 763 } 764 765 TYPE_MAPPING = { 766 **generator.Generator.TYPE_MAPPING, 767 **UNSIGNED_TYPE_MAPPING, 768 **TIMESTAMP_TYPE_MAPPING, 769 } 770 771 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT) 772 TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT) 773 TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT) 774 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB) 775 TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB) 776 TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB) 777 778 PROPERTIES_LOCATION = { 779 **generator.Generator.PROPERTIES_LOCATION, 780 exp.TransientProperty: exp.Properties.Location.UNSUPPORTED, 781 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, 782 } 783 784 LIMIT_FETCH = "LIMIT" 785 786 LIMIT_ONLY_LITERALS = True 787 788 CHAR_CAST_MAPPING = dict.fromkeys( 789 ( 790 exp.DataType.Type.LONGTEXT, 791 exp.DataType.Type.LONGBLOB, 792 exp.DataType.Type.MEDIUMBLOB, 793 exp.DataType.Type.MEDIUMTEXT, 794 exp.DataType.Type.TEXT, 795 exp.DataType.Type.TINYBLOB, 796 exp.DataType.Type.TINYTEXT, 797 exp.DataType.Type.VARCHAR, 798 ), 799 "CHAR", 800 ) 801 SIGNED_CAST_MAPPING = dict.fromkeys( 802 ( 803 exp.DataType.Type.BIGINT, 804 exp.DataType.Type.BOOLEAN, 805 exp.DataType.Type.INT, 806 exp.DataType.Type.SMALLINT, 807 exp.DataType.Type.TINYINT, 808 exp.DataType.Type.MEDIUMINT, 809 ), 810 "SIGNED", 811 ) 812 813 # MySQL doesn't support many datatypes in cast. 814 # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast 815 CAST_MAPPING = { 816 **CHAR_CAST_MAPPING, 817 **SIGNED_CAST_MAPPING, 818 exp.DataType.Type.UBIGINT: "UNSIGNED", 819 } 820 821 TIMESTAMP_FUNC_TYPES = { 822 exp.DataType.Type.TIMESTAMPTZ, 823 exp.DataType.Type.TIMESTAMPLTZ, 824 } 825 826 def dpipe_sql(self, expression: exp.DPipe) -> str: 827 return self.func("CONCAT", *expression.flatten()) 828 829 def extract_sql(self, expression: exp.Extract) -> str: 830 unit = expression.name 831 if unit and unit.lower() == "epoch": 832 return self.func("UNIX_TIMESTAMP", expression.expression) 833 834 return super().extract_sql(expression) 835 836 def datatype_sql(self, expression: exp.DataType) -> str: 837 # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html 838 result = super().datatype_sql(expression) 839 if expression.this in self.UNSIGNED_TYPE_MAPPING: 840 result = f"{result} UNSIGNED" 841 return result 842 843 def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str: 844 return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})" 845 846 def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str: 847 if expression.to.this in self.TIMESTAMP_FUNC_TYPES: 848 return self.func("TIMESTAMP", expression.this) 849 850 to = self.CAST_MAPPING.get(expression.to.this) 851 852 if to: 853 expression.to.set("this", to) 854 return super().cast_sql(expression) 855 856 def show_sql(self, expression: exp.Show) -> str: 857 this = f" {expression.name}" 858 full = " FULL" if expression.args.get("full") else "" 859 global_ = " GLOBAL" if expression.args.get("global") else "" 860 861 target = self.sql(expression, "target") 862 target = f" {target}" if target else "" 863 if expression.name in ("COLUMNS", "INDEX"): 864 target = f" FROM{target}" 865 elif expression.name == "GRANTS": 866 target = f" FOR{target}" 867 868 db = self._prefixed_sql("FROM", expression, "db") 869 870 like = self._prefixed_sql("LIKE", expression, "like") 871 where = self.sql(expression, "where") 872 873 types = self.expressions(expression, key="types") 874 types = f" {types}" if types else types 875 query = self._prefixed_sql("FOR QUERY", expression, "query") 876 877 if expression.name == "PROFILE": 878 offset = self._prefixed_sql("OFFSET", expression, "offset") 879 limit = self._prefixed_sql("LIMIT", expression, "limit") 880 else: 881 offset = "" 882 limit = self._oldstyle_limit_sql(expression) 883 884 log = self._prefixed_sql("IN", expression, "log") 885 position = self._prefixed_sql("FROM", expression, "position") 886 887 channel = self._prefixed_sql("FOR CHANNEL", expression, "channel") 888 889 if expression.name == "ENGINE": 890 mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS" 891 else: 892 mutex_or_status = "" 893 894 return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}" 895 896 def altercolumn_sql(self, expression: exp.AlterColumn) -> str: 897 dtype = self.sql(expression, "dtype") 898 if not dtype: 899 return super().altercolumn_sql(expression) 900 901 this = self.sql(expression, "this") 902 return f"MODIFY COLUMN {this} {dtype}" 903 904 def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str: 905 sql = self.sql(expression, arg) 906 return f" {prefix} {sql}" if sql else "" 907 908 def _oldstyle_limit_sql(self, expression: exp.Show) -> str: 909 limit = self.sql(expression, "limit") 910 offset = self.sql(expression, "offset") 911 if limit: 912 limit_offset = f"{offset}, {limit}" if offset else limit 913 return f" LIMIT {limit_offset}" 914 return "" 915 916 def chr_sql(self, expression: exp.Chr) -> str: 917 this = self.expressions(sqls=[expression.this] + expression.expressions) 918 charset = expression.args.get("charset") 919 using = f" USING {self.sql(charset)}" if charset else "" 920 return f"CHAR({this}{using})" 921 922 def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str: 923 unit = expression.args.get("unit") 924 925 # Pick an old-enough date to avoid negative timestamp diffs 926 start_ts = "'0000-01-01 00:00:00'" 927 928 # Source: https://stackoverflow.com/a/32955740 929 timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this]) 930 interval = exp.Interval(this=timestamp_diff, unit=unit) 931 dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval]) 932 933 return self.sql(dateadd)
TIME_SPECIFIERS =
{'f', 's', 'p', 'k', 'r', 'H', 'h', 'I', 'l', 'i', 'T', 'S'}
def
date_add_sql( kind: str) -> Callable[[sqlglot.generator.Generator, sqlglot.expressions.Expression], str]:
128def date_add_sql( 129 kind: str, 130) -> t.Callable[[generator.Generator, exp.Expression], str]: 131 def func(self: generator.Generator, expression: exp.Expression) -> str: 132 return self.func( 133 f"DATE_{kind}", 134 expression.this, 135 exp.Interval(this=expression.expression, unit=unit_to_var(expression)), 136 ) 137 138 return func
161class MySQL(Dialect): 162 # https://dev.mysql.com/doc/refman/8.0/en/identifiers.html 163 IDENTIFIERS_CAN_START_WITH_DIGIT = True 164 165 # We default to treating all identifiers as case-sensitive, since it matches MySQL's 166 # behavior on Linux systems. For MacOS and Windows systems, one can override this 167 # setting by specifying `dialect="mysql, normalization_strategy = lowercase"`. 168 # 169 # See also https://dev.mysql.com/doc/refman/8.2/en/identifier-case-sensitivity.html 170 NORMALIZATION_STRATEGY = NormalizationStrategy.CASE_SENSITIVE 171 172 TIME_FORMAT = "'%Y-%m-%d %T'" 173 DPIPE_IS_STRING_CONCAT = False 174 SUPPORTS_USER_DEFINED_TYPES = False 175 SUPPORTS_SEMI_ANTI_JOIN = False 176 SAFE_DIVISION = True 177 178 # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions 179 TIME_MAPPING = { 180 "%M": "%B", 181 "%c": "%-m", 182 "%e": "%-d", 183 "%h": "%I", 184 "%i": "%M", 185 "%s": "%S", 186 "%u": "%W", 187 "%k": "%-H", 188 "%l": "%-I", 189 "%T": "%H:%M:%S", 190 "%W": "%a", 191 } 192 193 class Tokenizer(tokens.Tokenizer): 194 QUOTES = ["'", '"'] 195 COMMENTS = ["--", "#", ("/*", "*/")] 196 IDENTIFIERS = ["`"] 197 STRING_ESCAPES = ["'", '"', "\\"] 198 BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")] 199 HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")] 200 201 KEYWORDS = { 202 **tokens.Tokenizer.KEYWORDS, 203 "CHARSET": TokenType.CHARACTER_SET, 204 "FORCE": TokenType.FORCE, 205 "IGNORE": TokenType.IGNORE, 206 "LOCK TABLES": TokenType.COMMAND, 207 "LONGBLOB": TokenType.LONGBLOB, 208 "LONGTEXT": TokenType.LONGTEXT, 209 "MEDIUMBLOB": TokenType.MEDIUMBLOB, 210 "TINYBLOB": TokenType.TINYBLOB, 211 "TINYTEXT": TokenType.TINYTEXT, 212 "MEDIUMTEXT": TokenType.MEDIUMTEXT, 213 "MEDIUMINT": TokenType.MEDIUMINT, 214 "MEMBER OF": TokenType.MEMBER_OF, 215 "SEPARATOR": TokenType.SEPARATOR, 216 "START": TokenType.BEGIN, 217 "SIGNED": TokenType.BIGINT, 218 "SIGNED INTEGER": TokenType.BIGINT, 219 "UNLOCK TABLES": TokenType.COMMAND, 220 "UNSIGNED": TokenType.UBIGINT, 221 "UNSIGNED INTEGER": TokenType.UBIGINT, 222 "YEAR": TokenType.YEAR, 223 "_ARMSCII8": TokenType.INTRODUCER, 224 "_ASCII": TokenType.INTRODUCER, 225 "_BIG5": TokenType.INTRODUCER, 226 "_BINARY": TokenType.INTRODUCER, 227 "_CP1250": TokenType.INTRODUCER, 228 "_CP1251": TokenType.INTRODUCER, 229 "_CP1256": TokenType.INTRODUCER, 230 "_CP1257": TokenType.INTRODUCER, 231 "_CP850": TokenType.INTRODUCER, 232 "_CP852": TokenType.INTRODUCER, 233 "_CP866": TokenType.INTRODUCER, 234 "_CP932": TokenType.INTRODUCER, 235 "_DEC8": TokenType.INTRODUCER, 236 "_EUCJPMS": TokenType.INTRODUCER, 237 "_EUCKR": TokenType.INTRODUCER, 238 "_GB18030": TokenType.INTRODUCER, 239 "_GB2312": TokenType.INTRODUCER, 240 "_GBK": TokenType.INTRODUCER, 241 "_GEOSTD8": TokenType.INTRODUCER, 242 "_GREEK": TokenType.INTRODUCER, 243 "_HEBREW": TokenType.INTRODUCER, 244 "_HP8": TokenType.INTRODUCER, 245 "_KEYBCS2": TokenType.INTRODUCER, 246 "_KOI8R": TokenType.INTRODUCER, 247 "_KOI8U": TokenType.INTRODUCER, 248 "_LATIN1": TokenType.INTRODUCER, 249 "_LATIN2": TokenType.INTRODUCER, 250 "_LATIN5": TokenType.INTRODUCER, 251 "_LATIN7": TokenType.INTRODUCER, 252 "_MACCE": TokenType.INTRODUCER, 253 "_MACROMAN": TokenType.INTRODUCER, 254 "_SJIS": TokenType.INTRODUCER, 255 "_SWE7": TokenType.INTRODUCER, 256 "_TIS620": TokenType.INTRODUCER, 257 "_UCS2": TokenType.INTRODUCER, 258 "_UJIS": TokenType.INTRODUCER, 259 # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html 260 "_UTF8": TokenType.INTRODUCER, 261 "_UTF16": TokenType.INTRODUCER, 262 "_UTF16LE": TokenType.INTRODUCER, 263 "_UTF32": TokenType.INTRODUCER, 264 "_UTF8MB3": TokenType.INTRODUCER, 265 "_UTF8MB4": TokenType.INTRODUCER, 266 "@@": TokenType.SESSION_PARAMETER, 267 } 268 269 COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW} 270 271 class Parser(parser.Parser): 272 FUNC_TOKENS = { 273 *parser.Parser.FUNC_TOKENS, 274 TokenType.DATABASE, 275 TokenType.SCHEMA, 276 TokenType.VALUES, 277 } 278 279 CONJUNCTION = { 280 **parser.Parser.CONJUNCTION, 281 TokenType.DAMP: exp.And, 282 TokenType.XOR: exp.Xor, 283 TokenType.DPIPE: exp.Or, 284 } 285 286 TABLE_ALIAS_TOKENS = ( 287 parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS 288 ) 289 290 RANGE_PARSERS = { 291 **parser.Parser.RANGE_PARSERS, 292 TokenType.MEMBER_OF: lambda self, this: self.expression( 293 exp.JSONArrayContains, 294 this=this, 295 expression=self._parse_wrapped(self._parse_expression), 296 ), 297 } 298 299 FUNCTIONS = { 300 **parser.Parser.FUNCTIONS, 301 "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)), 302 "DATE_ADD": build_date_delta_with_interval(exp.DateAdd), 303 "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"), 304 "DATE_SUB": build_date_delta_with_interval(exp.DateSub), 305 "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 306 "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 307 "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 308 "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 309 "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)), 310 "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"), 311 "ISNULL": isnull_to_is_null, 312 "LOCATE": locate_to_strposition, 313 "MAKETIME": exp.TimeFromParts.from_arg_list, 314 "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 315 "MONTHNAME": lambda args: exp.TimeToStr( 316 this=exp.TsOrDsToDate(this=seq_get(args, 0)), 317 format=exp.Literal.string("%B"), 318 ), 319 "STR_TO_DATE": _str_to_date, 320 "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff), 321 "TO_DAYS": lambda args: exp.paren( 322 exp.DateDiff( 323 this=exp.TsOrDsToDate(this=seq_get(args, 0)), 324 expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")), 325 unit=exp.var("DAY"), 326 ) 327 + 1 328 ), 329 "WEEK": lambda args: exp.Week( 330 this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1) 331 ), 332 "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 333 "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 334 } 335 336 FUNCTION_PARSERS = { 337 **parser.Parser.FUNCTION_PARSERS, 338 "CHAR": lambda self: self._parse_chr(), 339 "GROUP_CONCAT": lambda self: self._parse_group_concat(), 340 # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values 341 "VALUES": lambda self: self.expression( 342 exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()] 343 ), 344 } 345 346 STATEMENT_PARSERS = { 347 **parser.Parser.STATEMENT_PARSERS, 348 TokenType.SHOW: lambda self: self._parse_show(), 349 } 350 351 SHOW_PARSERS = { 352 "BINARY LOGS": _show_parser("BINARY LOGS"), 353 "MASTER LOGS": _show_parser("BINARY LOGS"), 354 "BINLOG EVENTS": _show_parser("BINLOG EVENTS"), 355 "CHARACTER SET": _show_parser("CHARACTER SET"), 356 "CHARSET": _show_parser("CHARACTER SET"), 357 "COLLATION": _show_parser("COLLATION"), 358 "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True), 359 "COLUMNS": _show_parser("COLUMNS", target="FROM"), 360 "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True), 361 "CREATE EVENT": _show_parser("CREATE EVENT", target=True), 362 "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True), 363 "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True), 364 "CREATE TABLE": _show_parser("CREATE TABLE", target=True), 365 "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True), 366 "CREATE VIEW": _show_parser("CREATE VIEW", target=True), 367 "DATABASES": _show_parser("DATABASES"), 368 "SCHEMAS": _show_parser("DATABASES"), 369 "ENGINE": _show_parser("ENGINE", target=True), 370 "STORAGE ENGINES": _show_parser("ENGINES"), 371 "ENGINES": _show_parser("ENGINES"), 372 "ERRORS": _show_parser("ERRORS"), 373 "EVENTS": _show_parser("EVENTS"), 374 "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True), 375 "FUNCTION STATUS": _show_parser("FUNCTION STATUS"), 376 "GRANTS": _show_parser("GRANTS", target="FOR"), 377 "INDEX": _show_parser("INDEX", target="FROM"), 378 "MASTER STATUS": _show_parser("MASTER STATUS"), 379 "OPEN TABLES": _show_parser("OPEN TABLES"), 380 "PLUGINS": _show_parser("PLUGINS"), 381 "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True), 382 "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"), 383 "PRIVILEGES": _show_parser("PRIVILEGES"), 384 "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True), 385 "PROCESSLIST": _show_parser("PROCESSLIST"), 386 "PROFILE": _show_parser("PROFILE"), 387 "PROFILES": _show_parser("PROFILES"), 388 "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"), 389 "REPLICAS": _show_parser("REPLICAS"), 390 "SLAVE HOSTS": _show_parser("REPLICAS"), 391 "REPLICA STATUS": _show_parser("REPLICA STATUS"), 392 "SLAVE STATUS": _show_parser("REPLICA STATUS"), 393 "GLOBAL STATUS": _show_parser("STATUS", global_=True), 394 "SESSION STATUS": _show_parser("STATUS"), 395 "STATUS": _show_parser("STATUS"), 396 "TABLE STATUS": _show_parser("TABLE STATUS"), 397 "FULL TABLES": _show_parser("TABLES", full=True), 398 "TABLES": _show_parser("TABLES"), 399 "TRIGGERS": _show_parser("TRIGGERS"), 400 "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True), 401 "SESSION VARIABLES": _show_parser("VARIABLES"), 402 "VARIABLES": _show_parser("VARIABLES"), 403 "WARNINGS": _show_parser("WARNINGS"), 404 } 405 406 PROPERTY_PARSERS = { 407 **parser.Parser.PROPERTY_PARSERS, 408 "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty), 409 } 410 411 SET_PARSERS = { 412 **parser.Parser.SET_PARSERS, 413 "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"), 414 "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"), 415 "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 416 "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 417 "NAMES": lambda self: self._parse_set_item_names(), 418 } 419 420 CONSTRAINT_PARSERS = { 421 **parser.Parser.CONSTRAINT_PARSERS, 422 "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"), 423 "INDEX": lambda self: self._parse_index_constraint(), 424 "KEY": lambda self: self._parse_index_constraint(), 425 "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"), 426 } 427 428 ALTER_PARSERS = { 429 **parser.Parser.ALTER_PARSERS, 430 "MODIFY": lambda self: self._parse_alter_table_alter(), 431 } 432 433 SCHEMA_UNNAMED_CONSTRAINTS = { 434 *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS, 435 "FULLTEXT", 436 "INDEX", 437 "KEY", 438 "SPATIAL", 439 } 440 441 PROFILE_TYPES: parser.OPTIONS_TYPE = { 442 **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()), 443 "BLOCK": ("IO",), 444 "CONTEXT": ("SWITCHES",), 445 "PAGE": ("FAULTS",), 446 } 447 448 TYPE_TOKENS = { 449 *parser.Parser.TYPE_TOKENS, 450 TokenType.SET, 451 } 452 453 ENUM_TYPE_TOKENS = { 454 *parser.Parser.ENUM_TYPE_TOKENS, 455 TokenType.SET, 456 } 457 458 LOG_DEFAULTS_TO_LN = True 459 STRING_ALIASES = True 460 VALUES_FOLLOWED_BY_PAREN = False 461 SUPPORTS_PARTITION_SELECTION = True 462 463 def _parse_primary_key_part(self) -> t.Optional[exp.Expression]: 464 this = self._parse_id_var() 465 if not self._match(TokenType.L_PAREN): 466 return this 467 468 expression = self._parse_number() 469 self._match_r_paren() 470 return self.expression(exp.ColumnPrefix, this=this, expression=expression) 471 472 def _parse_index_constraint( 473 self, kind: t.Optional[str] = None 474 ) -> exp.IndexColumnConstraint: 475 if kind: 476 self._match_texts(("INDEX", "KEY")) 477 478 this = self._parse_id_var(any_token=False) 479 index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text 480 expressions = self._parse_wrapped_csv(self._parse_ordered) 481 482 options = [] 483 while True: 484 if self._match_text_seq("KEY_BLOCK_SIZE"): 485 self._match(TokenType.EQ) 486 opt = exp.IndexConstraintOption(key_block_size=self._parse_number()) 487 elif self._match(TokenType.USING): 488 opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text) 489 elif self._match_text_seq("WITH", "PARSER"): 490 opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True)) 491 elif self._match(TokenType.COMMENT): 492 opt = exp.IndexConstraintOption(comment=self._parse_string()) 493 elif self._match_text_seq("VISIBLE"): 494 opt = exp.IndexConstraintOption(visible=True) 495 elif self._match_text_seq("INVISIBLE"): 496 opt = exp.IndexConstraintOption(visible=False) 497 elif self._match_text_seq("ENGINE_ATTRIBUTE"): 498 self._match(TokenType.EQ) 499 opt = exp.IndexConstraintOption(engine_attr=self._parse_string()) 500 elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"): 501 self._match(TokenType.EQ) 502 opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string()) 503 else: 504 opt = None 505 506 if not opt: 507 break 508 509 options.append(opt) 510 511 return self.expression( 512 exp.IndexColumnConstraint, 513 this=this, 514 expressions=expressions, 515 kind=kind, 516 index_type=index_type, 517 options=options, 518 ) 519 520 def _parse_show_mysql( 521 self, 522 this: str, 523 target: bool | str = False, 524 full: t.Optional[bool] = None, 525 global_: t.Optional[bool] = None, 526 ) -> exp.Show: 527 if target: 528 if isinstance(target, str): 529 self._match_text_seq(target) 530 target_id = self._parse_id_var() 531 else: 532 target_id = None 533 534 log = self._parse_string() if self._match_text_seq("IN") else None 535 536 if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"): 537 position = self._parse_number() if self._match_text_seq("FROM") else None 538 db = None 539 else: 540 position = None 541 db = None 542 543 if self._match(TokenType.FROM): 544 db = self._parse_id_var() 545 elif self._match(TokenType.DOT): 546 db = target_id 547 target_id = self._parse_id_var() 548 549 channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None 550 551 like = self._parse_string() if self._match_text_seq("LIKE") else None 552 where = self._parse_where() 553 554 if this == "PROFILE": 555 types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES)) 556 query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None 557 offset = self._parse_number() if self._match_text_seq("OFFSET") else None 558 limit = self._parse_number() if self._match_text_seq("LIMIT") else None 559 else: 560 types, query = None, None 561 offset, limit = self._parse_oldstyle_limit() 562 563 mutex = True if self._match_text_seq("MUTEX") else None 564 mutex = False if self._match_text_seq("STATUS") else mutex 565 566 return self.expression( 567 exp.Show, 568 this=this, 569 target=target_id, 570 full=full, 571 log=log, 572 position=position, 573 db=db, 574 channel=channel, 575 like=like, 576 where=where, 577 types=types, 578 query=query, 579 offset=offset, 580 limit=limit, 581 mutex=mutex, 582 **{"global": global_}, # type: ignore 583 ) 584 585 def _parse_oldstyle_limit( 586 self, 587 ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]: 588 limit = None 589 offset = None 590 if self._match_text_seq("LIMIT"): 591 parts = self._parse_csv(self._parse_number) 592 if len(parts) == 1: 593 limit = parts[0] 594 elif len(parts) == 2: 595 limit = parts[1] 596 offset = parts[0] 597 598 return offset, limit 599 600 def _parse_set_item_charset(self, kind: str) -> exp.Expression: 601 this = self._parse_string() or self._parse_id_var() 602 return self.expression(exp.SetItem, this=this, kind=kind) 603 604 def _parse_set_item_names(self) -> exp.Expression: 605 charset = self._parse_string() or self._parse_id_var() 606 if self._match_text_seq("COLLATE"): 607 collate = self._parse_string() or self._parse_id_var() 608 else: 609 collate = None 610 611 return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES") 612 613 def _parse_type( 614 self, parse_interval: bool = True, fallback_to_identifier: bool = False 615 ) -> t.Optional[exp.Expression]: 616 # mysql binary is special and can work anywhere, even in order by operations 617 # it operates like a no paren func 618 if self._match(TokenType.BINARY, advance=False): 619 data_type = self._parse_types(check_func=True, allow_identifiers=False) 620 621 if isinstance(data_type, exp.DataType): 622 return self.expression(exp.Cast, this=self._parse_column(), to=data_type) 623 624 return super()._parse_type( 625 parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier 626 ) 627 628 def _parse_chr(self) -> t.Optional[exp.Expression]: 629 expressions = self._parse_csv(self._parse_conjunction) 630 kwargs: t.Dict[str, t.Any] = {"this": seq_get(expressions, 0)} 631 632 if len(expressions) > 1: 633 kwargs["expressions"] = expressions[1:] 634 635 if self._match(TokenType.USING): 636 kwargs["charset"] = self._parse_var() 637 638 return self.expression(exp.Chr, **kwargs) 639 640 def _parse_group_concat(self) -> t.Optional[exp.Expression]: 641 def concat_exprs( 642 node: t.Optional[exp.Expression], exprs: t.List[exp.Expression] 643 ) -> exp.Expression: 644 if isinstance(node, exp.Distinct) and len(node.expressions) > 1: 645 concat_exprs = [ 646 self.expression(exp.Concat, expressions=node.expressions, safe=True) 647 ] 648 node.set("expressions", concat_exprs) 649 return node 650 if len(exprs) == 1: 651 return exprs[0] 652 return self.expression(exp.Concat, expressions=args, safe=True) 653 654 args = self._parse_csv(self._parse_lambda) 655 656 if args: 657 order = args[-1] if isinstance(args[-1], exp.Order) else None 658 659 if order: 660 # Order By is the last (or only) expression in the list and has consumed the 'expr' before it, 661 # remove 'expr' from exp.Order and add it back to args 662 args[-1] = order.this 663 order.set("this", concat_exprs(order.this, args)) 664 665 this = order or concat_exprs(args[0], args) 666 else: 667 this = None 668 669 separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None 670 671 return self.expression(exp.GroupConcat, this=this, separator=separator) 672 673 class Generator(generator.Generator): 674 LOCKING_READS_SUPPORTED = True 675 NULL_ORDERING_SUPPORTED = None 676 JOIN_HINTS = False 677 TABLE_HINTS = True 678 DUPLICATE_KEY_UPDATE_WITH_SET = False 679 QUERY_HINT_SEP = " " 680 VALUES_AS_TABLE = False 681 NVL2_SUPPORTED = False 682 LAST_DAY_SUPPORTS_DATE_PART = False 683 JSON_TYPE_REQUIRED_FOR_EXTRACTION = True 684 JSON_PATH_BRACKETED_KEY_SUPPORTED = False 685 JSON_KEY_VALUE_PAIR_SEP = "," 686 SUPPORTS_TO_NUMBER = False 687 688 TRANSFORMS = { 689 **generator.Generator.TRANSFORMS, 690 exp.ArrayAgg: rename_func("GROUP_CONCAT"), 691 exp.CurrentDate: no_paren_current_date_sql, 692 exp.DateDiff: _remove_ts_or_ds_to_date( 693 lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression") 694 ), 695 exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")), 696 exp.DateStrToDate: datestrtodate_sql, 697 exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")), 698 exp.DateTrunc: _date_trunc_sql, 699 exp.Day: _remove_ts_or_ds_to_date(), 700 exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")), 701 exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")), 702 exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")), 703 exp.GroupConcat: lambda self, 704 e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""", 705 exp.ILike: no_ilike_sql, 706 exp.JSONExtractScalar: arrow_json_extract_sql, 707 exp.Max: max_or_greatest, 708 exp.Min: min_or_least, 709 exp.Month: _remove_ts_or_ds_to_date(), 710 exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"), 711 exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}", 712 exp.ParseJSON: lambda self, e: self.sql(e, "this"), 713 exp.Pivot: no_pivot_sql, 714 exp.Select: transforms.preprocess( 715 [ 716 transforms.eliminate_distinct_on, 717 transforms.eliminate_semi_and_anti_joins, 718 transforms.eliminate_qualify, 719 transforms.eliminate_full_outer_join, 720 ] 721 ), 722 exp.StrPosition: strposition_to_locate_sql, 723 exp.StrToDate: _str_to_date_sql, 724 exp.StrToTime: _str_to_date_sql, 725 exp.Stuff: rename_func("INSERT"), 726 exp.TableSample: no_tablesample_sql, 727 exp.TimeFromParts: rename_func("MAKETIME"), 728 exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"), 729 exp.TimestampDiff: lambda self, e: self.func( 730 "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this 731 ), 732 exp.TimestampSub: date_add_interval_sql("DATE", "SUB"), 733 exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"), 734 exp.TimeStrToTime: lambda self, e: self.sql( 735 exp.cast(e.this, exp.DataType.Type.DATETIME, copy=True) 736 ), 737 exp.TimeToStr: _remove_ts_or_ds_to_date( 738 lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e)) 739 ), 740 exp.Trim: _trim_sql, 741 exp.TryCast: no_trycast_sql, 742 exp.TsOrDsAdd: date_add_sql("ADD"), 743 exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression), 744 exp.TsOrDsToDate: _ts_or_ds_to_date_sql, 745 exp.UnixToTime: _unix_to_time_sql, 746 exp.Week: _remove_ts_or_ds_to_date(), 747 exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")), 748 exp.Year: _remove_ts_or_ds_to_date(), 749 } 750 751 UNSIGNED_TYPE_MAPPING = { 752 exp.DataType.Type.UBIGINT: "BIGINT", 753 exp.DataType.Type.UINT: "INT", 754 exp.DataType.Type.UMEDIUMINT: "MEDIUMINT", 755 exp.DataType.Type.USMALLINT: "SMALLINT", 756 exp.DataType.Type.UTINYINT: "TINYINT", 757 exp.DataType.Type.UDECIMAL: "DECIMAL", 758 } 759 760 TIMESTAMP_TYPE_MAPPING = { 761 exp.DataType.Type.TIMESTAMP: "DATETIME", 762 exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP", 763 exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP", 764 } 765 766 TYPE_MAPPING = { 767 **generator.Generator.TYPE_MAPPING, 768 **UNSIGNED_TYPE_MAPPING, 769 **TIMESTAMP_TYPE_MAPPING, 770 } 771 772 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT) 773 TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT) 774 TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT) 775 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB) 776 TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB) 777 TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB) 778 779 PROPERTIES_LOCATION = { 780 **generator.Generator.PROPERTIES_LOCATION, 781 exp.TransientProperty: exp.Properties.Location.UNSUPPORTED, 782 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, 783 } 784 785 LIMIT_FETCH = "LIMIT" 786 787 LIMIT_ONLY_LITERALS = True 788 789 CHAR_CAST_MAPPING = dict.fromkeys( 790 ( 791 exp.DataType.Type.LONGTEXT, 792 exp.DataType.Type.LONGBLOB, 793 exp.DataType.Type.MEDIUMBLOB, 794 exp.DataType.Type.MEDIUMTEXT, 795 exp.DataType.Type.TEXT, 796 exp.DataType.Type.TINYBLOB, 797 exp.DataType.Type.TINYTEXT, 798 exp.DataType.Type.VARCHAR, 799 ), 800 "CHAR", 801 ) 802 SIGNED_CAST_MAPPING = dict.fromkeys( 803 ( 804 exp.DataType.Type.BIGINT, 805 exp.DataType.Type.BOOLEAN, 806 exp.DataType.Type.INT, 807 exp.DataType.Type.SMALLINT, 808 exp.DataType.Type.TINYINT, 809 exp.DataType.Type.MEDIUMINT, 810 ), 811 "SIGNED", 812 ) 813 814 # MySQL doesn't support many datatypes in cast. 815 # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast 816 CAST_MAPPING = { 817 **CHAR_CAST_MAPPING, 818 **SIGNED_CAST_MAPPING, 819 exp.DataType.Type.UBIGINT: "UNSIGNED", 820 } 821 822 TIMESTAMP_FUNC_TYPES = { 823 exp.DataType.Type.TIMESTAMPTZ, 824 exp.DataType.Type.TIMESTAMPLTZ, 825 } 826 827 def dpipe_sql(self, expression: exp.DPipe) -> str: 828 return self.func("CONCAT", *expression.flatten()) 829 830 def extract_sql(self, expression: exp.Extract) -> str: 831 unit = expression.name 832 if unit and unit.lower() == "epoch": 833 return self.func("UNIX_TIMESTAMP", expression.expression) 834 835 return super().extract_sql(expression) 836 837 def datatype_sql(self, expression: exp.DataType) -> str: 838 # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html 839 result = super().datatype_sql(expression) 840 if expression.this in self.UNSIGNED_TYPE_MAPPING: 841 result = f"{result} UNSIGNED" 842 return result 843 844 def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str: 845 return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})" 846 847 def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str: 848 if expression.to.this in self.TIMESTAMP_FUNC_TYPES: 849 return self.func("TIMESTAMP", expression.this) 850 851 to = self.CAST_MAPPING.get(expression.to.this) 852 853 if to: 854 expression.to.set("this", to) 855 return super().cast_sql(expression) 856 857 def show_sql(self, expression: exp.Show) -> str: 858 this = f" {expression.name}" 859 full = " FULL" if expression.args.get("full") else "" 860 global_ = " GLOBAL" if expression.args.get("global") else "" 861 862 target = self.sql(expression, "target") 863 target = f" {target}" if target else "" 864 if expression.name in ("COLUMNS", "INDEX"): 865 target = f" FROM{target}" 866 elif expression.name == "GRANTS": 867 target = f" FOR{target}" 868 869 db = self._prefixed_sql("FROM", expression, "db") 870 871 like = self._prefixed_sql("LIKE", expression, "like") 872 where = self.sql(expression, "where") 873 874 types = self.expressions(expression, key="types") 875 types = f" {types}" if types else types 876 query = self._prefixed_sql("FOR QUERY", expression, "query") 877 878 if expression.name == "PROFILE": 879 offset = self._prefixed_sql("OFFSET", expression, "offset") 880 limit = self._prefixed_sql("LIMIT", expression, "limit") 881 else: 882 offset = "" 883 limit = self._oldstyle_limit_sql(expression) 884 885 log = self._prefixed_sql("IN", expression, "log") 886 position = self._prefixed_sql("FROM", expression, "position") 887 888 channel = self._prefixed_sql("FOR CHANNEL", expression, "channel") 889 890 if expression.name == "ENGINE": 891 mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS" 892 else: 893 mutex_or_status = "" 894 895 return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}" 896 897 def altercolumn_sql(self, expression: exp.AlterColumn) -> str: 898 dtype = self.sql(expression, "dtype") 899 if not dtype: 900 return super().altercolumn_sql(expression) 901 902 this = self.sql(expression, "this") 903 return f"MODIFY COLUMN {this} {dtype}" 904 905 def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str: 906 sql = self.sql(expression, arg) 907 return f" {prefix} {sql}" if sql else "" 908 909 def _oldstyle_limit_sql(self, expression: exp.Show) -> str: 910 limit = self.sql(expression, "limit") 911 offset = self.sql(expression, "offset") 912 if limit: 913 limit_offset = f"{offset}, {limit}" if offset else limit 914 return f" LIMIT {limit_offset}" 915 return "" 916 917 def chr_sql(self, expression: exp.Chr) -> str: 918 this = self.expressions(sqls=[expression.this] + expression.expressions) 919 charset = expression.args.get("charset") 920 using = f" USING {self.sql(charset)}" if charset else "" 921 return f"CHAR({this}{using})" 922 923 def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str: 924 unit = expression.args.get("unit") 925 926 # Pick an old-enough date to avoid negative timestamp diffs 927 start_ts = "'0000-01-01 00:00:00'" 928 929 # Source: https://stackoverflow.com/a/32955740 930 timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this]) 931 interval = exp.Interval(this=timestamp_diff, unit=unit) 932 dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval]) 933 934 return self.sql(dateadd)
NORMALIZATION_STRATEGY =
<NormalizationStrategy.CASE_SENSITIVE: 'CASE_SENSITIVE'>
Specifies the strategy according to which identifiers should be normalized.
TIME_MAPPING: Dict[str, str] =
{'%M': '%B', '%c': '%-m', '%e': '%-d', '%h': '%I', '%i': '%M', '%s': '%S', '%u': '%W', '%k': '%-H', '%l': '%-I', '%T': '%H:%M:%S', '%W': '%a'}
Associates this dialect's time formats with their equivalent Python strftime
formats.
UNESCAPED_SEQUENCES: Dict[str, str] =
{'\\a': '\x07', '\\b': '\x08', '\\f': '\x0c', '\\n': '\n', '\\r': '\r', '\\t': '\t', '\\v': '\x0b', '\\\\': '\\'}
Mapping of an escaped sequence (\n
) to its unescaped version (
).
tokenizer_class =
<class 'MySQL.Tokenizer'>
parser_class =
<class 'MySQL.Parser'>
generator_class =
<class 'MySQL.Generator'>
TIME_TRIE: Dict =
{'%': {'M': {0: True}, 'c': {0: True}, 'e': {0: True}, 'h': {0: True}, 'i': {0: True}, 's': {0: True}, 'u': {0: True}, 'k': {0: True}, 'l': {0: True}, 'T': {0: True}, 'W': {0: True}}}
FORMAT_TRIE: Dict =
{'%': {'M': {0: True}, 'c': {0: True}, 'e': {0: True}, 'h': {0: True}, 'i': {0: True}, 's': {0: True}, 'u': {0: True}, 'k': {0: True}, 'l': {0: True}, 'T': {0: True}, 'W': {0: True}}}
INVERSE_TIME_MAPPING: Dict[str, str] =
{'%B': '%M', '%-m': '%c', '%-d': '%e', '%I': '%h', '%M': '%i', '%S': '%s', '%W': '%u', '%-H': '%k', '%-I': '%l', '%H:%M:%S': '%T', '%a': '%W'}
INVERSE_TIME_TRIE: Dict =
{'%': {'B': {0: True}, '-': {'m': {0: True}, 'd': {0: True}, 'H': {0: True}, 'I': {0: True}}, 'I': {0: True}, 'M': {0: True}, 'S': {0: True}, 'W': {0: True}, 'H': {':': {'%': {'M': {':': {'%': {'S': {0: True}}}}}}}, 'a': {0: True}}}
ESCAPED_SEQUENCES: Dict[str, str] =
{'\x07': '\\a', '\x08': '\\b', '\x0c': '\\f', '\n': '\\n', '\r': '\\r', '\t': '\\t', '\x0b': '\\v', '\\': '\\\\'}
Inherited Members
- sqlglot.dialects.dialect.Dialect
- Dialect
- INDEX_OFFSET
- WEEK_OFFSET
- UNNEST_COLUMN_ONLY
- ALIAS_POST_TABLESAMPLE
- TABLESAMPLE_SIZE_IS_PERCENT
- STRICT_STRING_CONCAT
- NORMALIZE_FUNCTIONS
- LOG_BASE_FIRST
- NULL_ORDERING
- TYPED_DIVISION
- CONCAT_COALESCE
- HEX_LOWERCASE
- DATE_FORMAT
- DATEINT_FORMAT
- FORMAT_MAPPING
- PSEUDOCOLUMNS
- PREFER_CTE_ALIAS_COLUMN
- COPY_PARAMS_ARE_CSV
- get_or_raise
- format_time
- normalize_identifier
- case_sensitive
- can_identify
- quote_identifier
- to_json_path
- parse
- parse_into
- generate
- transpile
- tokenize
- tokenizer
- parser
- generator
193 class Tokenizer(tokens.Tokenizer): 194 QUOTES = ["'", '"'] 195 COMMENTS = ["--", "#", ("/*", "*/")] 196 IDENTIFIERS = ["`"] 197 STRING_ESCAPES = ["'", '"', "\\"] 198 BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")] 199 HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")] 200 201 KEYWORDS = { 202 **tokens.Tokenizer.KEYWORDS, 203 "CHARSET": TokenType.CHARACTER_SET, 204 "FORCE": TokenType.FORCE, 205 "IGNORE": TokenType.IGNORE, 206 "LOCK TABLES": TokenType.COMMAND, 207 "LONGBLOB": TokenType.LONGBLOB, 208 "LONGTEXT": TokenType.LONGTEXT, 209 "MEDIUMBLOB": TokenType.MEDIUMBLOB, 210 "TINYBLOB": TokenType.TINYBLOB, 211 "TINYTEXT": TokenType.TINYTEXT, 212 "MEDIUMTEXT": TokenType.MEDIUMTEXT, 213 "MEDIUMINT": TokenType.MEDIUMINT, 214 "MEMBER OF": TokenType.MEMBER_OF, 215 "SEPARATOR": TokenType.SEPARATOR, 216 "START": TokenType.BEGIN, 217 "SIGNED": TokenType.BIGINT, 218 "SIGNED INTEGER": TokenType.BIGINT, 219 "UNLOCK TABLES": TokenType.COMMAND, 220 "UNSIGNED": TokenType.UBIGINT, 221 "UNSIGNED INTEGER": TokenType.UBIGINT, 222 "YEAR": TokenType.YEAR, 223 "_ARMSCII8": TokenType.INTRODUCER, 224 "_ASCII": TokenType.INTRODUCER, 225 "_BIG5": TokenType.INTRODUCER, 226 "_BINARY": TokenType.INTRODUCER, 227 "_CP1250": TokenType.INTRODUCER, 228 "_CP1251": TokenType.INTRODUCER, 229 "_CP1256": TokenType.INTRODUCER, 230 "_CP1257": TokenType.INTRODUCER, 231 "_CP850": TokenType.INTRODUCER, 232 "_CP852": TokenType.INTRODUCER, 233 "_CP866": TokenType.INTRODUCER, 234 "_CP932": TokenType.INTRODUCER, 235 "_DEC8": TokenType.INTRODUCER, 236 "_EUCJPMS": TokenType.INTRODUCER, 237 "_EUCKR": TokenType.INTRODUCER, 238 "_GB18030": TokenType.INTRODUCER, 239 "_GB2312": TokenType.INTRODUCER, 240 "_GBK": TokenType.INTRODUCER, 241 "_GEOSTD8": TokenType.INTRODUCER, 242 "_GREEK": TokenType.INTRODUCER, 243 "_HEBREW": TokenType.INTRODUCER, 244 "_HP8": TokenType.INTRODUCER, 245 "_KEYBCS2": TokenType.INTRODUCER, 246 "_KOI8R": TokenType.INTRODUCER, 247 "_KOI8U": TokenType.INTRODUCER, 248 "_LATIN1": TokenType.INTRODUCER, 249 "_LATIN2": TokenType.INTRODUCER, 250 "_LATIN5": TokenType.INTRODUCER, 251 "_LATIN7": TokenType.INTRODUCER, 252 "_MACCE": TokenType.INTRODUCER, 253 "_MACROMAN": TokenType.INTRODUCER, 254 "_SJIS": TokenType.INTRODUCER, 255 "_SWE7": TokenType.INTRODUCER, 256 "_TIS620": TokenType.INTRODUCER, 257 "_UCS2": TokenType.INTRODUCER, 258 "_UJIS": TokenType.INTRODUCER, 259 # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html 260 "_UTF8": TokenType.INTRODUCER, 261 "_UTF16": TokenType.INTRODUCER, 262 "_UTF16LE": TokenType.INTRODUCER, 263 "_UTF32": TokenType.INTRODUCER, 264 "_UTF8MB3": TokenType.INTRODUCER, 265 "_UTF8MB4": TokenType.INTRODUCER, 266 "@@": TokenType.SESSION_PARAMETER, 267 } 268 269 COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW}
KEYWORDS =
{'{%': <TokenType.BLOCK_START: 'BLOCK_START'>, '{%+': <TokenType.BLOCK_START: 'BLOCK_START'>, '{%-': <TokenType.BLOCK_START: 'BLOCK_START'>, '%}': <TokenType.BLOCK_END: 'BLOCK_END'>, '+%}': <TokenType.BLOCK_END: 'BLOCK_END'>, '-%}': <TokenType.BLOCK_END: 'BLOCK_END'>, '{{+': <TokenType.BLOCK_START: 'BLOCK_START'>, '{{-': <TokenType.BLOCK_START: 'BLOCK_START'>, '+}}': <TokenType.BLOCK_END: 'BLOCK_END'>, '-}}': <TokenType.BLOCK_END: 'BLOCK_END'>, '/*+': <TokenType.HINT: 'HINT'>, '==': <TokenType.EQ: 'EQ'>, '::': <TokenType.DCOLON: 'DCOLON'>, '||': <TokenType.DPIPE: 'DPIPE'>, '>=': <TokenType.GTE: 'GTE'>, '<=': <TokenType.LTE: 'LTE'>, '<>': <TokenType.NEQ: 'NEQ'>, '!=': <TokenType.NEQ: 'NEQ'>, ':=': <TokenType.COLON_EQ: 'COLON_EQ'>, '<=>': <TokenType.NULLSAFE_EQ: 'NULLSAFE_EQ'>, '->': <TokenType.ARROW: 'ARROW'>, '->>': <TokenType.DARROW: 'DARROW'>, '=>': <TokenType.FARROW: 'FARROW'>, '#>': <TokenType.HASH_ARROW: 'HASH_ARROW'>, '#>>': <TokenType.DHASH_ARROW: 'DHASH_ARROW'>, '<->': <TokenType.LR_ARROW: 'LR_ARROW'>, '&&': <TokenType.DAMP: 'DAMP'>, '??': <TokenType.DQMARK: 'DQMARK'>, 'ALL': <TokenType.ALL: 'ALL'>, 'ALWAYS': <TokenType.ALWAYS: 'ALWAYS'>, 'AND': <TokenType.AND: 'AND'>, 'ANTI': <TokenType.ANTI: 'ANTI'>, 'ANY': <TokenType.ANY: 'ANY'>, 'ASC': <TokenType.ASC: 'ASC'>, 'AS': <TokenType.ALIAS: 'ALIAS'>, 'ASOF': <TokenType.ASOF: 'ASOF'>, 'AUTOINCREMENT': <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, 'AUTO_INCREMENT': <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, 'BEGIN': <TokenType.BEGIN: 'BEGIN'>, 'BETWEEN': <TokenType.BETWEEN: 'BETWEEN'>, 'CACHE': <TokenType.CACHE: 'CACHE'>, 'UNCACHE': <TokenType.UNCACHE: 'UNCACHE'>, 'CASE': <TokenType.CASE: 'CASE'>, 'CHARACTER SET': <TokenType.CHARACTER_SET: 'CHARACTER_SET'>, 'CLUSTER BY': <TokenType.CLUSTER_BY: 'CLUSTER_BY'>, 'COLLATE': <TokenType.COLLATE: 'COLLATE'>, 'COLUMN': <TokenType.COLUMN: 'COLUMN'>, 'COMMIT': <TokenType.COMMIT: 'COMMIT'>, 'CONNECT BY': <TokenType.CONNECT_BY: 'CONNECT_BY'>, 'CONSTRAINT': <TokenType.CONSTRAINT: 'CONSTRAINT'>, 'COPY': <TokenType.COPY: 'COPY'>, 'CREATE': <TokenType.CREATE: 'CREATE'>, 'CROSS': <TokenType.CROSS: 'CROSS'>, 'CUBE': <TokenType.CUBE: 'CUBE'>, 'CURRENT_DATE': <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, 'CURRENT_TIME': <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, 'CURRENT_TIMESTAMP': <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, 'CURRENT_USER': <TokenType.CURRENT_USER: 'CURRENT_USER'>, 'DATABASE': <TokenType.DATABASE: 'DATABASE'>, 'DEFAULT': <TokenType.DEFAULT: 'DEFAULT'>, 'DELETE': <TokenType.DELETE: 'DELETE'>, 'DESC': <TokenType.DESC: 'DESC'>, 'DESCRIBE': <TokenType.DESCRIBE: 'DESCRIBE'>, 'DISTINCT': <TokenType.DISTINCT: 'DISTINCT'>, 'DISTRIBUTE BY': <TokenType.DISTRIBUTE_BY: 'DISTRIBUTE_BY'>, 'DIV': <TokenType.DIV: 'DIV'>, 'DROP': <TokenType.DROP: 'DROP'>, 'ELSE': <TokenType.ELSE: 'ELSE'>, 'END': <TokenType.END: 'END'>, 'ENUM': <TokenType.ENUM: 'ENUM'>, 'ESCAPE': <TokenType.ESCAPE: 'ESCAPE'>, 'EXCEPT': <TokenType.EXCEPT: 'EXCEPT'>, 'EXECUTE': <TokenType.EXECUTE: 'EXECUTE'>, 'EXISTS': <TokenType.EXISTS: 'EXISTS'>, 'FALSE': <TokenType.FALSE: 'FALSE'>, 'FETCH': <TokenType.FETCH: 'FETCH'>, 'FILTER': <TokenType.FILTER: 'FILTER'>, 'FIRST': <TokenType.FIRST: 'FIRST'>, 'FULL': <TokenType.FULL: 'FULL'>, 'FUNCTION': <TokenType.FUNCTION: 'FUNCTION'>, 'FOR': <TokenType.FOR: 'FOR'>, 'FOREIGN KEY': <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, 'FORMAT': <TokenType.FORMAT: 'FORMAT'>, 'FROM': <TokenType.FROM: 'FROM'>, 'GEOGRAPHY': <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, 'GEOMETRY': <TokenType.GEOMETRY: 'GEOMETRY'>, 'GLOB': <TokenType.GLOB: 'GLOB'>, 'GROUP BY': <TokenType.GROUP_BY: 'GROUP_BY'>, 'GROUPING SETS': <TokenType.GROUPING_SETS: 'GROUPING_SETS'>, 'HAVING': <TokenType.HAVING: 'HAVING'>, 'ILIKE': <TokenType.ILIKE: 'ILIKE'>, 'IN': <TokenType.IN: 'IN'>, 'INDEX': <TokenType.INDEX: 'INDEX'>, 'INET': <TokenType.INET: 'INET'>, 'INNER': <TokenType.INNER: 'INNER'>, 'INSERT': <TokenType.INSERT: 'INSERT'>, 'INTERVAL': <TokenType.INTERVAL: 'INTERVAL'>, 'INTERSECT': <TokenType.INTERSECT: 'INTERSECT'>, 'INTO': <TokenType.INTO: 'INTO'>, 'IS': <TokenType.IS: 'IS'>, 'ISNULL': <TokenType.ISNULL: 'ISNULL'>, 'JOIN': <TokenType.JOIN: 'JOIN'>, 'KEEP': <TokenType.KEEP: 'KEEP'>, 'KILL': <TokenType.KILL: 'KILL'>, 'LATERAL': <TokenType.LATERAL: 'LATERAL'>, 'LEFT': <TokenType.LEFT: 'LEFT'>, 'LIKE': <TokenType.LIKE: 'LIKE'>, 'LIMIT': <TokenType.LIMIT: 'LIMIT'>, 'LOAD': <TokenType.LOAD: 'LOAD'>, 'LOCK': <TokenType.LOCK: 'LOCK'>, 'MERGE': <TokenType.MERGE: 'MERGE'>, 'NATURAL': <TokenType.NATURAL: 'NATURAL'>, 'NEXT': <TokenType.NEXT: 'NEXT'>, 'NOT': <TokenType.NOT: 'NOT'>, 'NOTNULL': <TokenType.NOTNULL: 'NOTNULL'>, 'NULL': <TokenType.NULL: 'NULL'>, 'OBJECT': <TokenType.OBJECT: 'OBJECT'>, 'OFFSET': <TokenType.OFFSET: 'OFFSET'>, 'ON': <TokenType.ON: 'ON'>, 'OR': <TokenType.OR: 'OR'>, 'XOR': <TokenType.XOR: 'XOR'>, 'ORDER BY': <TokenType.ORDER_BY: 'ORDER_BY'>, 'ORDINALITY': <TokenType.ORDINALITY: 'ORDINALITY'>, 'OUTER': <TokenType.OUTER: 'OUTER'>, 'OVER': <TokenType.OVER: 'OVER'>, 'OVERLAPS': <TokenType.OVERLAPS: 'OVERLAPS'>, 'OVERWRITE': <TokenType.OVERWRITE: 'OVERWRITE'>, 'PARTITION': <TokenType.PARTITION: 'PARTITION'>, 'PARTITION BY': <TokenType.PARTITION_BY: 'PARTITION_BY'>, 'PARTITIONED BY': <TokenType.PARTITION_BY: 'PARTITION_BY'>, 'PARTITIONED_BY': <TokenType.PARTITION_BY: 'PARTITION_BY'>, 'PERCENT': <TokenType.PERCENT: 'PERCENT'>, 'PIVOT': <TokenType.PIVOT: 'PIVOT'>, 'PRAGMA': <TokenType.PRAGMA: 'PRAGMA'>, 'PRIMARY KEY': <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, 'PROCEDURE': <TokenType.PROCEDURE: 'PROCEDURE'>, 'QUALIFY': <TokenType.QUALIFY: 'QUALIFY'>, 'RANGE': <TokenType.RANGE: 'RANGE'>, 'RECURSIVE': <TokenType.RECURSIVE: 'RECURSIVE'>, 'REGEXP': <TokenType.RLIKE: 'RLIKE'>, 'REPLACE': <TokenType.REPLACE: 'REPLACE'>, 'RETURNING': <TokenType.RETURNING: 'RETURNING'>, 'REFERENCES': <TokenType.REFERENCES: 'REFERENCES'>, 'RIGHT': <TokenType.RIGHT: 'RIGHT'>, 'RLIKE': <TokenType.RLIKE: 'RLIKE'>, 'ROLLBACK': <TokenType.ROLLBACK: 'ROLLBACK'>, 'ROLLUP': <TokenType.ROLLUP: 'ROLLUP'>, 'ROW': <TokenType.ROW: 'ROW'>, 'ROWS': <TokenType.ROWS: 'ROWS'>, 'SCHEMA': <TokenType.SCHEMA: 'SCHEMA'>, 'SELECT': <TokenType.SELECT: 'SELECT'>, 'SEMI': <TokenType.SEMI: 'SEMI'>, 'SET': <TokenType.SET: 'SET'>, 'SETTINGS': <TokenType.SETTINGS: 'SETTINGS'>, 'SHOW': <TokenType.SHOW: 'SHOW'>, 'SIMILAR TO': <TokenType.SIMILAR_TO: 'SIMILAR_TO'>, 'SOME': <TokenType.SOME: 'SOME'>, 'SORT BY': <TokenType.SORT_BY: 'SORT_BY'>, 'START WITH': <TokenType.START_WITH: 'START_WITH'>, 'TABLE': <TokenType.TABLE: 'TABLE'>, 'TABLESAMPLE': <TokenType.TABLE_SAMPLE: 'TABLE_SAMPLE'>, 'TEMP': <TokenType.TEMPORARY: 'TEMPORARY'>, 'TEMPORARY': <TokenType.TEMPORARY: 'TEMPORARY'>, 'THEN': <TokenType.THEN: 'THEN'>, 'TRUE': <TokenType.TRUE: 'TRUE'>, 'TRUNCATE': <TokenType.TRUNCATE: 'TRUNCATE'>, 'UNION': <TokenType.UNION: 'UNION'>, 'UNKNOWN': <TokenType.UNKNOWN: 'UNKNOWN'>, 'UNNEST': <TokenType.UNNEST: 'UNNEST'>, 'UNPIVOT': <TokenType.UNPIVOT: 'UNPIVOT'>, 'UPDATE': <TokenType.UPDATE: 'UPDATE'>, 'USE': <TokenType.USE: 'USE'>, 'USING': <TokenType.USING: 'USING'>, 'UUID': <TokenType.UUID: 'UUID'>, 'VALUES': <TokenType.VALUES: 'VALUES'>, 'VIEW': <TokenType.VIEW: 'VIEW'>, 'VOLATILE': <TokenType.VOLATILE: 'VOLATILE'>, 'WHEN': <TokenType.WHEN: 'WHEN'>, 'WHERE': <TokenType.WHERE: 'WHERE'>, 'WINDOW': <TokenType.WINDOW: 'WINDOW'>, 'WITH': <TokenType.WITH: 'WITH'>, 'APPLY': <TokenType.APPLY: 'APPLY'>, 'ARRAY': <TokenType.ARRAY: 'ARRAY'>, 'BIT': <TokenType.BIT: 'BIT'>, 'BOOL': <TokenType.BOOLEAN: 'BOOLEAN'>, 'BOOLEAN': <TokenType.BOOLEAN: 'BOOLEAN'>, 'BYTE': <TokenType.TINYINT: 'TINYINT'>, 'MEDIUMINT': <TokenType.MEDIUMINT: 'MEDIUMINT'>, 'INT1': <TokenType.TINYINT: 'TINYINT'>, 'TINYINT': <TokenType.TINYINT: 'TINYINT'>, 'INT16': <TokenType.SMALLINT: 'SMALLINT'>, 'SHORT': <TokenType.SMALLINT: 'SMALLINT'>, 'SMALLINT': <TokenType.SMALLINT: 'SMALLINT'>, 'INT128': <TokenType.INT128: 'INT128'>, 'HUGEINT': <TokenType.INT128: 'INT128'>, 'INT2': <TokenType.SMALLINT: 'SMALLINT'>, 'INTEGER': <TokenType.INT: 'INT'>, 'INT': <TokenType.INT: 'INT'>, 'INT4': <TokenType.INT: 'INT'>, 'INT32': <TokenType.INT: 'INT'>, 'INT64': <TokenType.BIGINT: 'BIGINT'>, 'LONG': <TokenType.BIGINT: 'BIGINT'>, 'BIGINT': <TokenType.BIGINT: 'BIGINT'>, 'INT8': <TokenType.TINYINT: 'TINYINT'>, 'UINT': <TokenType.UINT: 'UINT'>, 'DEC': <TokenType.DECIMAL: 'DECIMAL'>, 'DECIMAL': <TokenType.DECIMAL: 'DECIMAL'>, 'BIGDECIMAL': <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, 'BIGNUMERIC': <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, 'MAP': <TokenType.MAP: 'MAP'>, 'NULLABLE': <TokenType.NULLABLE: 'NULLABLE'>, 'NUMBER': <TokenType.DECIMAL: 'DECIMAL'>, 'NUMERIC': <TokenType.DECIMAL: 'DECIMAL'>, 'FIXED': <TokenType.DECIMAL: 'DECIMAL'>, 'REAL': <TokenType.FLOAT: 'FLOAT'>, 'FLOAT': <TokenType.FLOAT: 'FLOAT'>, 'FLOAT4': <TokenType.FLOAT: 'FLOAT'>, 'FLOAT8': <TokenType.DOUBLE: 'DOUBLE'>, 'DOUBLE': <TokenType.DOUBLE: 'DOUBLE'>, 'DOUBLE PRECISION': <TokenType.DOUBLE: 'DOUBLE'>, 'JSON': <TokenType.JSON: 'JSON'>, 'CHAR': <TokenType.CHAR: 'CHAR'>, 'CHARACTER': <TokenType.CHAR: 'CHAR'>, 'NCHAR': <TokenType.NCHAR: 'NCHAR'>, 'VARCHAR': <TokenType.VARCHAR: 'VARCHAR'>, 'VARCHAR2': <TokenType.VARCHAR: 'VARCHAR'>, 'NVARCHAR': <TokenType.NVARCHAR: 'NVARCHAR'>, 'NVARCHAR2': <TokenType.NVARCHAR: 'NVARCHAR'>, 'BPCHAR': <TokenType.BPCHAR: 'BPCHAR'>, 'STR': <TokenType.TEXT: 'TEXT'>, 'STRING': <TokenType.TEXT: 'TEXT'>, 'TEXT': <TokenType.TEXT: 'TEXT'>, 'LONGTEXT': <TokenType.LONGTEXT: 'LONGTEXT'>, 'MEDIUMTEXT': <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, 'TINYTEXT': <TokenType.TINYTEXT: 'TINYTEXT'>, 'CLOB': <TokenType.TEXT: 'TEXT'>, 'LONGVARCHAR': <TokenType.TEXT: 'TEXT'>, 'BINARY': <TokenType.BINARY: 'BINARY'>, 'BLOB': <TokenType.VARBINARY: 'VARBINARY'>, 'LONGBLOB': <TokenType.LONGBLOB: 'LONGBLOB'>, 'MEDIUMBLOB': <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, 'TINYBLOB': <TokenType.TINYBLOB: 'TINYBLOB'>, 'BYTEA': <TokenType.VARBINARY: 'VARBINARY'>, 'VARBINARY': <TokenType.VARBINARY: 'VARBINARY'>, 'TIME': <TokenType.TIME: 'TIME'>, 'TIMETZ': <TokenType.TIMETZ: 'TIMETZ'>, 'TIMESTAMP': <TokenType.TIMESTAMP: 'TIMESTAMP'>, 'TIMESTAMPTZ': <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, 'TIMESTAMPLTZ': <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, 'TIMESTAMP_LTZ': <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, 'TIMESTAMPNTZ': <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, 'TIMESTAMP_NTZ': <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, 'DATE': <TokenType.DATE: 'DATE'>, 'DATETIME': <TokenType.DATETIME: 'DATETIME'>, 'INT4RANGE': <TokenType.INT4RANGE: 'INT4RANGE'>, 'INT4MULTIRANGE': <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, 'INT8RANGE': <TokenType.INT8RANGE: 'INT8RANGE'>, 'INT8MULTIRANGE': <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, 'NUMRANGE': <TokenType.NUMRANGE: 'NUMRANGE'>, 'NUMMULTIRANGE': <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, 'TSRANGE': <TokenType.TSRANGE: 'TSRANGE'>, 'TSMULTIRANGE': <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, 'TSTZRANGE': <TokenType.TSTZRANGE: 'TSTZRANGE'>, 'TSTZMULTIRANGE': <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, 'DATERANGE': <TokenType.DATERANGE: 'DATERANGE'>, 'DATEMULTIRANGE': <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, 'UNIQUE': <TokenType.UNIQUE: 'UNIQUE'>, 'STRUCT': <TokenType.STRUCT: 'STRUCT'>, 'SEQUENCE': <TokenType.SEQUENCE: 'SEQUENCE'>, 'VARIANT': <TokenType.VARIANT: 'VARIANT'>, 'ALTER': <TokenType.ALTER: 'ALTER'>, 'ANALYZE': <TokenType.COMMAND: 'COMMAND'>, 'CALL': <TokenType.COMMAND: 'COMMAND'>, 'COMMENT': <TokenType.COMMENT: 'COMMENT'>, 'EXPLAIN': <TokenType.COMMAND: 'COMMAND'>, 'GRANT': <TokenType.COMMAND: 'COMMAND'>, 'OPTIMIZE': <TokenType.COMMAND: 'COMMAND'>, 'PREPARE': <TokenType.COMMAND: 'COMMAND'>, 'VACUUM': <TokenType.COMMAND: 'COMMAND'>, 'USER-DEFINED': <TokenType.USERDEFINED: 'USERDEFINED'>, 'FOR VERSION': <TokenType.VERSION_SNAPSHOT: 'VERSION_SNAPSHOT'>, 'FOR TIMESTAMP': <TokenType.TIMESTAMP_SNAPSHOT: 'TIMESTAMP_SNAPSHOT'>, 'CHARSET': <TokenType.CHARACTER_SET: 'CHARACTER_SET'>, 'FORCE': <TokenType.FORCE: 'FORCE'>, 'IGNORE': <TokenType.IGNORE: 'IGNORE'>, 'LOCK TABLES': <TokenType.COMMAND: 'COMMAND'>, 'MEMBER OF': <TokenType.MEMBER_OF: 'MEMBER_OF'>, 'SEPARATOR': <TokenType.SEPARATOR: 'SEPARATOR'>, 'START': <TokenType.BEGIN: 'BEGIN'>, 'SIGNED': <TokenType.BIGINT: 'BIGINT'>, 'SIGNED INTEGER': <TokenType.BIGINT: 'BIGINT'>, 'UNLOCK TABLES': <TokenType.COMMAND: 'COMMAND'>, 'UNSIGNED': <TokenType.UBIGINT: 'UBIGINT'>, 'UNSIGNED INTEGER': <TokenType.UBIGINT: 'UBIGINT'>, 'YEAR': <TokenType.YEAR: 'YEAR'>, '_ARMSCII8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_ASCII': <TokenType.INTRODUCER: 'INTRODUCER'>, '_BIG5': <TokenType.INTRODUCER: 'INTRODUCER'>, '_BINARY': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1250': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1251': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1256': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP1257': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP850': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP852': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP866': <TokenType.INTRODUCER: 'INTRODUCER'>, '_CP932': <TokenType.INTRODUCER: 'INTRODUCER'>, '_DEC8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_EUCJPMS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_EUCKR': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GB18030': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GB2312': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GBK': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GEOSTD8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_GREEK': <TokenType.INTRODUCER: 'INTRODUCER'>, '_HEBREW': <TokenType.INTRODUCER: 'INTRODUCER'>, '_HP8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KEYBCS2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KOI8R': <TokenType.INTRODUCER: 'INTRODUCER'>, '_KOI8U': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN1': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN5': <TokenType.INTRODUCER: 'INTRODUCER'>, '_LATIN7': <TokenType.INTRODUCER: 'INTRODUCER'>, '_MACCE': <TokenType.INTRODUCER: 'INTRODUCER'>, '_MACROMAN': <TokenType.INTRODUCER: 'INTRODUCER'>, '_SJIS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_SWE7': <TokenType.INTRODUCER: 'INTRODUCER'>, '_TIS620': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UCS2': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UJIS': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF16': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF16LE': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF32': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8MB3': <TokenType.INTRODUCER: 'INTRODUCER'>, '_UTF8MB4': <TokenType.INTRODUCER: 'INTRODUCER'>, '@@': <TokenType.SESSION_PARAMETER: 'SESSION_PARAMETER'>}
COMMANDS =
{<TokenType.REPLACE: 'REPLACE'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.FETCH: 'FETCH'>, <TokenType.COMMAND: 'COMMAND'>}
Inherited Members
271 class Parser(parser.Parser): 272 FUNC_TOKENS = { 273 *parser.Parser.FUNC_TOKENS, 274 TokenType.DATABASE, 275 TokenType.SCHEMA, 276 TokenType.VALUES, 277 } 278 279 CONJUNCTION = { 280 **parser.Parser.CONJUNCTION, 281 TokenType.DAMP: exp.And, 282 TokenType.XOR: exp.Xor, 283 TokenType.DPIPE: exp.Or, 284 } 285 286 TABLE_ALIAS_TOKENS = ( 287 parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS 288 ) 289 290 RANGE_PARSERS = { 291 **parser.Parser.RANGE_PARSERS, 292 TokenType.MEMBER_OF: lambda self, this: self.expression( 293 exp.JSONArrayContains, 294 this=this, 295 expression=self._parse_wrapped(self._parse_expression), 296 ), 297 } 298 299 FUNCTIONS = { 300 **parser.Parser.FUNCTIONS, 301 "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)), 302 "DATE_ADD": build_date_delta_with_interval(exp.DateAdd), 303 "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"), 304 "DATE_SUB": build_date_delta_with_interval(exp.DateSub), 305 "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 306 "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 307 "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 308 "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 309 "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)), 310 "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"), 311 "ISNULL": isnull_to_is_null, 312 "LOCATE": locate_to_strposition, 313 "MAKETIME": exp.TimeFromParts.from_arg_list, 314 "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 315 "MONTHNAME": lambda args: exp.TimeToStr( 316 this=exp.TsOrDsToDate(this=seq_get(args, 0)), 317 format=exp.Literal.string("%B"), 318 ), 319 "STR_TO_DATE": _str_to_date, 320 "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff), 321 "TO_DAYS": lambda args: exp.paren( 322 exp.DateDiff( 323 this=exp.TsOrDsToDate(this=seq_get(args, 0)), 324 expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")), 325 unit=exp.var("DAY"), 326 ) 327 + 1 328 ), 329 "WEEK": lambda args: exp.Week( 330 this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1) 331 ), 332 "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 333 "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 334 } 335 336 FUNCTION_PARSERS = { 337 **parser.Parser.FUNCTION_PARSERS, 338 "CHAR": lambda self: self._parse_chr(), 339 "GROUP_CONCAT": lambda self: self._parse_group_concat(), 340 # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values 341 "VALUES": lambda self: self.expression( 342 exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()] 343 ), 344 } 345 346 STATEMENT_PARSERS = { 347 **parser.Parser.STATEMENT_PARSERS, 348 TokenType.SHOW: lambda self: self._parse_show(), 349 } 350 351 SHOW_PARSERS = { 352 "BINARY LOGS": _show_parser("BINARY LOGS"), 353 "MASTER LOGS": _show_parser("BINARY LOGS"), 354 "BINLOG EVENTS": _show_parser("BINLOG EVENTS"), 355 "CHARACTER SET": _show_parser("CHARACTER SET"), 356 "CHARSET": _show_parser("CHARACTER SET"), 357 "COLLATION": _show_parser("COLLATION"), 358 "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True), 359 "COLUMNS": _show_parser("COLUMNS", target="FROM"), 360 "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True), 361 "CREATE EVENT": _show_parser("CREATE EVENT", target=True), 362 "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True), 363 "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True), 364 "CREATE TABLE": _show_parser("CREATE TABLE", target=True), 365 "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True), 366 "CREATE VIEW": _show_parser("CREATE VIEW", target=True), 367 "DATABASES": _show_parser("DATABASES"), 368 "SCHEMAS": _show_parser("DATABASES"), 369 "ENGINE": _show_parser("ENGINE", target=True), 370 "STORAGE ENGINES": _show_parser("ENGINES"), 371 "ENGINES": _show_parser("ENGINES"), 372 "ERRORS": _show_parser("ERRORS"), 373 "EVENTS": _show_parser("EVENTS"), 374 "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True), 375 "FUNCTION STATUS": _show_parser("FUNCTION STATUS"), 376 "GRANTS": _show_parser("GRANTS", target="FOR"), 377 "INDEX": _show_parser("INDEX", target="FROM"), 378 "MASTER STATUS": _show_parser("MASTER STATUS"), 379 "OPEN TABLES": _show_parser("OPEN TABLES"), 380 "PLUGINS": _show_parser("PLUGINS"), 381 "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True), 382 "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"), 383 "PRIVILEGES": _show_parser("PRIVILEGES"), 384 "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True), 385 "PROCESSLIST": _show_parser("PROCESSLIST"), 386 "PROFILE": _show_parser("PROFILE"), 387 "PROFILES": _show_parser("PROFILES"), 388 "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"), 389 "REPLICAS": _show_parser("REPLICAS"), 390 "SLAVE HOSTS": _show_parser("REPLICAS"), 391 "REPLICA STATUS": _show_parser("REPLICA STATUS"), 392 "SLAVE STATUS": _show_parser("REPLICA STATUS"), 393 "GLOBAL STATUS": _show_parser("STATUS", global_=True), 394 "SESSION STATUS": _show_parser("STATUS"), 395 "STATUS": _show_parser("STATUS"), 396 "TABLE STATUS": _show_parser("TABLE STATUS"), 397 "FULL TABLES": _show_parser("TABLES", full=True), 398 "TABLES": _show_parser("TABLES"), 399 "TRIGGERS": _show_parser("TRIGGERS"), 400 "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True), 401 "SESSION VARIABLES": _show_parser("VARIABLES"), 402 "VARIABLES": _show_parser("VARIABLES"), 403 "WARNINGS": _show_parser("WARNINGS"), 404 } 405 406 PROPERTY_PARSERS = { 407 **parser.Parser.PROPERTY_PARSERS, 408 "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty), 409 } 410 411 SET_PARSERS = { 412 **parser.Parser.SET_PARSERS, 413 "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"), 414 "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"), 415 "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 416 "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 417 "NAMES": lambda self: self._parse_set_item_names(), 418 } 419 420 CONSTRAINT_PARSERS = { 421 **parser.Parser.CONSTRAINT_PARSERS, 422 "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"), 423 "INDEX": lambda self: self._parse_index_constraint(), 424 "KEY": lambda self: self._parse_index_constraint(), 425 "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"), 426 } 427 428 ALTER_PARSERS = { 429 **parser.Parser.ALTER_PARSERS, 430 "MODIFY": lambda self: self._parse_alter_table_alter(), 431 } 432 433 SCHEMA_UNNAMED_CONSTRAINTS = { 434 *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS, 435 "FULLTEXT", 436 "INDEX", 437 "KEY", 438 "SPATIAL", 439 } 440 441 PROFILE_TYPES: parser.OPTIONS_TYPE = { 442 **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()), 443 "BLOCK": ("IO",), 444 "CONTEXT": ("SWITCHES",), 445 "PAGE": ("FAULTS",), 446 } 447 448 TYPE_TOKENS = { 449 *parser.Parser.TYPE_TOKENS, 450 TokenType.SET, 451 } 452 453 ENUM_TYPE_TOKENS = { 454 *parser.Parser.ENUM_TYPE_TOKENS, 455 TokenType.SET, 456 } 457 458 LOG_DEFAULTS_TO_LN = True 459 STRING_ALIASES = True 460 VALUES_FOLLOWED_BY_PAREN = False 461 SUPPORTS_PARTITION_SELECTION = True 462 463 def _parse_primary_key_part(self) -> t.Optional[exp.Expression]: 464 this = self._parse_id_var() 465 if not self._match(TokenType.L_PAREN): 466 return this 467 468 expression = self._parse_number() 469 self._match_r_paren() 470 return self.expression(exp.ColumnPrefix, this=this, expression=expression) 471 472 def _parse_index_constraint( 473 self, kind: t.Optional[str] = None 474 ) -> exp.IndexColumnConstraint: 475 if kind: 476 self._match_texts(("INDEX", "KEY")) 477 478 this = self._parse_id_var(any_token=False) 479 index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text 480 expressions = self._parse_wrapped_csv(self._parse_ordered) 481 482 options = [] 483 while True: 484 if self._match_text_seq("KEY_BLOCK_SIZE"): 485 self._match(TokenType.EQ) 486 opt = exp.IndexConstraintOption(key_block_size=self._parse_number()) 487 elif self._match(TokenType.USING): 488 opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text) 489 elif self._match_text_seq("WITH", "PARSER"): 490 opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True)) 491 elif self._match(TokenType.COMMENT): 492 opt = exp.IndexConstraintOption(comment=self._parse_string()) 493 elif self._match_text_seq("VISIBLE"): 494 opt = exp.IndexConstraintOption(visible=True) 495 elif self._match_text_seq("INVISIBLE"): 496 opt = exp.IndexConstraintOption(visible=False) 497 elif self._match_text_seq("ENGINE_ATTRIBUTE"): 498 self._match(TokenType.EQ) 499 opt = exp.IndexConstraintOption(engine_attr=self._parse_string()) 500 elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"): 501 self._match(TokenType.EQ) 502 opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string()) 503 else: 504 opt = None 505 506 if not opt: 507 break 508 509 options.append(opt) 510 511 return self.expression( 512 exp.IndexColumnConstraint, 513 this=this, 514 expressions=expressions, 515 kind=kind, 516 index_type=index_type, 517 options=options, 518 ) 519 520 def _parse_show_mysql( 521 self, 522 this: str, 523 target: bool | str = False, 524 full: t.Optional[bool] = None, 525 global_: t.Optional[bool] = None, 526 ) -> exp.Show: 527 if target: 528 if isinstance(target, str): 529 self._match_text_seq(target) 530 target_id = self._parse_id_var() 531 else: 532 target_id = None 533 534 log = self._parse_string() if self._match_text_seq("IN") else None 535 536 if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"): 537 position = self._parse_number() if self._match_text_seq("FROM") else None 538 db = None 539 else: 540 position = None 541 db = None 542 543 if self._match(TokenType.FROM): 544 db = self._parse_id_var() 545 elif self._match(TokenType.DOT): 546 db = target_id 547 target_id = self._parse_id_var() 548 549 channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None 550 551 like = self._parse_string() if self._match_text_seq("LIKE") else None 552 where = self._parse_where() 553 554 if this == "PROFILE": 555 types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES)) 556 query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None 557 offset = self._parse_number() if self._match_text_seq("OFFSET") else None 558 limit = self._parse_number() if self._match_text_seq("LIMIT") else None 559 else: 560 types, query = None, None 561 offset, limit = self._parse_oldstyle_limit() 562 563 mutex = True if self._match_text_seq("MUTEX") else None 564 mutex = False if self._match_text_seq("STATUS") else mutex 565 566 return self.expression( 567 exp.Show, 568 this=this, 569 target=target_id, 570 full=full, 571 log=log, 572 position=position, 573 db=db, 574 channel=channel, 575 like=like, 576 where=where, 577 types=types, 578 query=query, 579 offset=offset, 580 limit=limit, 581 mutex=mutex, 582 **{"global": global_}, # type: ignore 583 ) 584 585 def _parse_oldstyle_limit( 586 self, 587 ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]: 588 limit = None 589 offset = None 590 if self._match_text_seq("LIMIT"): 591 parts = self._parse_csv(self._parse_number) 592 if len(parts) == 1: 593 limit = parts[0] 594 elif len(parts) == 2: 595 limit = parts[1] 596 offset = parts[0] 597 598 return offset, limit 599 600 def _parse_set_item_charset(self, kind: str) -> exp.Expression: 601 this = self._parse_string() or self._parse_id_var() 602 return self.expression(exp.SetItem, this=this, kind=kind) 603 604 def _parse_set_item_names(self) -> exp.Expression: 605 charset = self._parse_string() or self._parse_id_var() 606 if self._match_text_seq("COLLATE"): 607 collate = self._parse_string() or self._parse_id_var() 608 else: 609 collate = None 610 611 return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES") 612 613 def _parse_type( 614 self, parse_interval: bool = True, fallback_to_identifier: bool = False 615 ) -> t.Optional[exp.Expression]: 616 # mysql binary is special and can work anywhere, even in order by operations 617 # it operates like a no paren func 618 if self._match(TokenType.BINARY, advance=False): 619 data_type = self._parse_types(check_func=True, allow_identifiers=False) 620 621 if isinstance(data_type, exp.DataType): 622 return self.expression(exp.Cast, this=self._parse_column(), to=data_type) 623 624 return super()._parse_type( 625 parse_interval=parse_interval, fallback_to_identifier=fallback_to_identifier 626 ) 627 628 def _parse_chr(self) -> t.Optional[exp.Expression]: 629 expressions = self._parse_csv(self._parse_conjunction) 630 kwargs: t.Dict[str, t.Any] = {"this": seq_get(expressions, 0)} 631 632 if len(expressions) > 1: 633 kwargs["expressions"] = expressions[1:] 634 635 if self._match(TokenType.USING): 636 kwargs["charset"] = self._parse_var() 637 638 return self.expression(exp.Chr, **kwargs) 639 640 def _parse_group_concat(self) -> t.Optional[exp.Expression]: 641 def concat_exprs( 642 node: t.Optional[exp.Expression], exprs: t.List[exp.Expression] 643 ) -> exp.Expression: 644 if isinstance(node, exp.Distinct) and len(node.expressions) > 1: 645 concat_exprs = [ 646 self.expression(exp.Concat, expressions=node.expressions, safe=True) 647 ] 648 node.set("expressions", concat_exprs) 649 return node 650 if len(exprs) == 1: 651 return exprs[0] 652 return self.expression(exp.Concat, expressions=args, safe=True) 653 654 args = self._parse_csv(self._parse_lambda) 655 656 if args: 657 order = args[-1] if isinstance(args[-1], exp.Order) else None 658 659 if order: 660 # Order By is the last (or only) expression in the list and has consumed the 'expr' before it, 661 # remove 'expr' from exp.Order and add it back to args 662 args[-1] = order.this 663 order.set("this", concat_exprs(order.this, args)) 664 665 this = order or concat_exprs(args[0], args) 666 else: 667 this = None 668 669 separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None 670 671 return self.expression(exp.GroupConcat, this=this, separator=separator)
Parser consumes a list of tokens produced by the Tokenizer and produces a parsed syntax tree.
Arguments:
- error_level: The desired error level. Default: ErrorLevel.IMMEDIATE
- error_message_context: The amount of context to capture from a query string when displaying the error message (in number of characters). Default: 100
- max_errors: Maximum number of error messages to include in a raised ParseError. This is only relevant if error_level is ErrorLevel.RAISE. Default: 3
FUNC_TOKENS =
{<TokenType.MONEY: 'MONEY'>, <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.DATE32: 'DATE32'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.INDEX: 'INDEX'>, <TokenType.UINT256: 'UINT256'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.INT128: 'INT128'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.RLIKE: 'RLIKE'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.INT256: 'INT256'>, <TokenType.GLOB: 'GLOB'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.NULL: 'NULL'>, <TokenType.XOR: 'XOR'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.DATE: 'DATE'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.MERGE: 'MERGE'>, <TokenType.FIRST: 'FIRST'>, <TokenType.BINARY: 'BINARY'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.WINDOW: 'WINDOW'>, <TokenType.RIGHT: 'RIGHT'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.BIT: 'BIT'>, <TokenType.UINT: 'UINT'>, <TokenType.ILIKE: 'ILIKE'>, <TokenType.UUID: 'UUID'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.LEFT: 'LEFT'>, <TokenType.SUPER: 'SUPER'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.VAR: 'VAR'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.UINT128: 'UINT128'>, <TokenType.MAP: 'MAP'>, <TokenType.IPV4: 'IPV4'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.RANGE: 'RANGE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.ENUM: 'ENUM'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.TEXT: 'TEXT'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.INT: 'INT'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.LIKE: 'LIKE'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.XML: 'XML'>, <TokenType.JSON: 'JSON'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.TIME: 'TIME'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.NESTED: 'NESTED'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.OFFSET: 'OFFSET'>, <TokenType.INSERT: 'INSERT'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.ANY: 'ANY'>, <TokenType.VALUES: 'VALUES'>, <TokenType.INET: 'INET'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.ALL: 'ALL'>, <TokenType.NAME: 'NAME'>, <TokenType.SOME: 'SOME'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.YEAR: 'YEAR'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.FILTER: 'FILTER'>, <TokenType.JSONB: 'JSONB'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.CHAR: 'CHAR'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.ROW: 'ROW'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.TABLE: 'TABLE'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.IPV6: 'IPV6'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.TINYBLOB: 'TINYBLOB'>}
CONJUNCTION =
{<TokenType.AND: 'AND'>: <class 'sqlglot.expressions.And'>, <TokenType.OR: 'OR'>: <class 'sqlglot.expressions.Or'>, <TokenType.DAMP: 'DAMP'>: <class 'sqlglot.expressions.And'>, <TokenType.XOR: 'XOR'>: <class 'sqlglot.expressions.Xor'>, <TokenType.DPIPE: 'DPIPE'>: <class 'sqlglot.expressions.Or'>}
TABLE_ALIAS_TOKENS =
{<TokenType.KILL: 'KILL'>, <TokenType.MONEY: 'MONEY'>, <TokenType.COPY: 'COPY'>, <TokenType.PERCENT: 'PERCENT'>, <TokenType.TAG: 'TAG'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.VOLATILE: 'VOLATILE'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.ASC: 'ASC'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.TEMPORARY: 'TEMPORARY'>, <TokenType.PROCEDURE: 'PROCEDURE'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.DATE32: 'DATE32'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.ANTI: 'ANTI'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.VIEW: 'VIEW'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.BEGIN: 'BEGIN'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.INDEX: 'INDEX'>, <TokenType.PARTITION: 'PARTITION'>, <TokenType.UINT256: 'UINT256'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.CACHE: 'CACHE'>, <TokenType.OPERATOR: 'OPERATOR'>, <TokenType.COLUMN: 'COLUMN'>, <TokenType.INT128: 'INT128'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.UNPIVOT: 'UNPIVOT'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.INT256: 'INT256'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.COMMIT: 'COMMIT'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.NULL: 'NULL'>, <TokenType.RECURSIVE: 'RECURSIVE'>, <TokenType.SET: 'SET'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.REFRESH: 'REFRESH'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.SHOW: 'SHOW'>, <TokenType.DEFAULT: 'DEFAULT'>, <TokenType.DATE: 'DATE'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.MERGE: 'MERGE'>, <TokenType.FIRST: 'FIRST'>, <TokenType.BINARY: 'BINARY'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.PRAGMA: 'PRAGMA'>, <TokenType.STORAGE_INTEGRATION: 'STORAGE_INTEGRATION'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.BIT: 'BIT'>, <TokenType.UINT: 'UINT'>, <TokenType.UUID: 'UUID'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.FALSE: 'FALSE'>, <TokenType.FUNCTION: 'FUNCTION'>, <TokenType.TOP: 'TOP'>, <TokenType.SUPER: 'SUPER'>, <TokenType.CASE: 'CASE'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.ROLLUP: 'ROLLUP'>, <TokenType.VAR: 'VAR'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.LOAD: 'LOAD'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.KEEP: 'KEEP'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.UINT128: 'UINT128'>, <TokenType.END: 'END'>, <TokenType.MAP: 'MAP'>, <TokenType.IPV4: 'IPV4'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.REFERENCES: 'REFERENCES'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.RANGE: 'RANGE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.TRUE: 'TRUE'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.ENUM: 'ENUM'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.OVERLAPS: 'OVERLAPS'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.UNIQUE: 'UNIQUE'>, <TokenType.ORDINALITY: 'ORDINALITY'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.TEXT: 'TEXT'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.NEXT: 'NEXT'>, <TokenType.INT: 'INT'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.IS: 'IS'>, <TokenType.CONSTRAINT: 'CONSTRAINT'>, <TokenType.FINAL: 'FINAL'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.SETTINGS: 'SETTINGS'>, <TokenType.ROWS: 'ROWS'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.XML: 'XML'>, <TokenType.JSON: 'JSON'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.DELETE: 'DELETE'>, <TokenType.TIME: 'TIME'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.NESTED: 'NESTED'>, <TokenType.SEMI: 'SEMI'>, <TokenType.DESC: 'DESC'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.ANY: 'ANY'>, <TokenType.DIV: 'DIV'>, <TokenType.DICTIONARY: 'DICTIONARY'>, <TokenType.INET: 'INET'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.COMMENT: 'COMMENT'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.ALL: 'ALL'>, <TokenType.NAME: 'NAME'>, <TokenType.SOME: 'SOME'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.YEAR: 'YEAR'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.OVERWRITE: 'OVERWRITE'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.FILTER: 'FILTER'>, <TokenType.JSONB: 'JSONB'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.CHAR: 'CHAR'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.ROW: 'ROW'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.TABLE: 'TABLE'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.ESCAPE: 'ESCAPE'>, <TokenType.PIVOT: 'PIVOT'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.UPDATE: 'UPDATE'>, <TokenType.MODEL: 'MODEL'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.DESCRIBE: 'DESCRIBE'>, <TokenType.IPV6: 'IPV6'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.TINYBLOB: 'TINYBLOB'>}
RANGE_PARSERS =
{<TokenType.BETWEEN: 'BETWEEN'>: <function Parser.<lambda>>, <TokenType.GLOB: 'GLOB'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.ILIKE: 'ILIKE'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.IN: 'IN'>: <function Parser.<lambda>>, <TokenType.IRLIKE: 'IRLIKE'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.IS: 'IS'>: <function Parser.<lambda>>, <TokenType.LIKE: 'LIKE'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.OVERLAPS: 'OVERLAPS'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.RLIKE: 'RLIKE'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.SIMILAR_TO: 'SIMILAR_TO'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.FOR: 'FOR'>: <function Parser.<lambda>>, <TokenType.MEMBER_OF: 'MEMBER_OF'>: <function MySQL.Parser.<lambda>>}
FUNCTIONS =
{'ABS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Abs'>>, 'ADD_MONTHS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.AddMonths'>>, 'ANONYMOUS_AGG_FUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.AnonymousAggFunc'>>, 'ANY_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.AnyValue'>>, 'APPROX_DISTINCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxDistinct'>>, 'APPROX_COUNT_DISTINCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxDistinct'>>, 'APPROX_QUANTILE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxQuantile'>>, 'APPROX_TOP_K': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxTopK'>>, 'ARG_MAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'ARGMAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'MAX_BY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'ARG_MIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'ARGMIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'MIN_BY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Array'>>, 'ARRAY_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAgg'>>, 'ARRAY_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAll'>>, 'ARRAY_ANY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAny'>>, 'ARRAY_CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CONSTRUCT_COMPACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConstructCompact'>>, 'ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContains'>>, 'FILTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayFilter'>>, 'ARRAY_FILTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayFilter'>>, 'ARRAY_OVERLAPS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayOverlaps'>>, 'ARRAY_SIZE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySize'>>, 'ARRAY_LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySize'>>, 'ARRAY_SORT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySort'>>, 'ARRAY_SUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySum'>>, 'ARRAY_TO_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayToString'>>, 'ARRAY_JOIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayToString'>>, 'ARRAY_UNION_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayUnionAgg'>>, 'ARRAY_UNIQUE_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayUniqueAgg'>>, 'AVG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Avg'>>, 'CASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Case'>>, 'CAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Cast'>>, 'CAST_TO_STR_TYPE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CastToStrType'>>, 'CBRT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Cbrt'>>, 'CEIL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ceil'>>, 'CEILING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ceil'>>, 'CHR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Chr'>>, 'CHAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Chr'>>, 'COALESCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Coalesce'>>, 'IFNULL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Coalesce'>>, 'NVL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Coalesce'>>, 'COLLATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Collate'>>, 'COMBINED_AGG_FUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CombinedAggFunc'>>, 'COMBINED_PARAMETERIZED_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CombinedParameterizedAgg'>>, 'CONCAT': <function Parser.<lambda>>, 'CONCAT_WS': <function Parser.<lambda>>, 'CONNECT_BY_ROOT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ConnectByRoot'>>, 'CONVERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Convert'>>, 'CORR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Corr'>>, 'COUNT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Count'>>, 'COUNT_IF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CountIf'>>, 'COUNTIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CountIf'>>, 'COVAR_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CovarPop'>>, 'COVAR_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CovarSamp'>>, 'CURRENT_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentDate'>>, 'CURRENT_DATETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentDatetime'>>, 'CURRENT_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentTime'>>, 'CURRENT_TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentTimestamp'>>, 'CURRENT_USER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentUser'>>, 'DATE': <function MySQL.Parser.<lambda>>, 'DATE_ADD': <function build_date_delta_with_interval.<locals>._builder>, 'DATEDIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateDiff'>>, 'DATE_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateDiff'>>, 'DATE_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateFromParts'>>, 'DATEFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateFromParts'>>, 'DATE_STR_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateStrToDate'>>, 'DATE_SUB': <function build_date_delta_with_interval.<locals>._builder>, 'DATE_TO_DATE_STR': <function Parser.<lambda>>, 'DATE_TO_DI': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateToDi'>>, 'DATE_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateTrunc'>>, 'DATETIME_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeAdd'>>, 'DATETIME_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeDiff'>>, 'DATETIME_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeSub'>>, 'DATETIME_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeTrunc'>>, 'DAY': <function MySQL.Parser.<lambda>>, 'DAY_OF_MONTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfMonth'>>, 'DAYOFMONTH': <function MySQL.Parser.<lambda>>, 'DAY_OF_WEEK': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfWeek'>>, 'DAYOFWEEK': <function MySQL.Parser.<lambda>>, 'DAY_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfYear'>>, 'DAYOFYEAR': <function MySQL.Parser.<lambda>>, 'DECODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Decode'>>, 'DI_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DiToDate'>>, 'ENCODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Encode'>>, 'EXP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Exp'>>, 'EXPLODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Explode'>>, 'EXPLODE_OUTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ExplodeOuter'>>, 'EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Extract'>>, 'FIRST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.First'>>, 'FIRST_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FirstValue'>>, 'FLATTEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Flatten'>>, 'FLOOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Floor'>>, 'FROM_BASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromBase'>>, 'FROM_BASE64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromBase64'>>, 'GENERATE_DATE_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateDateArray'>>, 'GENERATE_SERIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateSeries'>>, 'GREATEST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Greatest'>>, 'GROUP_CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GroupConcat'>>, 'HEX': <function build_hex>, 'HLL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Hll'>>, 'IF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.If'>>, 'IIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.If'>>, 'INITCAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Initcap'>>, 'IS_INF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsInf'>>, 'ISINF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsInf'>>, 'IS_NAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsNan'>>, 'ISNAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsNan'>>, 'J_S_O_N_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArray'>>, 'J_S_O_N_ARRAY_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayAgg'>>, 'JSON_ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayContains'>>, 'JSONB_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBExtract'>>, 'JSONB_EXTRACT_SCALAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBExtractScalar'>>, 'JSON_EXTRACT': <function build_extract_json_with_path.<locals>._builder>, 'JSON_EXTRACT_SCALAR': <function build_extract_json_with_path.<locals>._builder>, 'JSON_FORMAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONFormat'>>, 'J_S_O_N_OBJECT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONObject'>>, 'J_S_O_N_OBJECT_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONObjectAgg'>>, 'J_S_O_N_TABLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONTable'>>, 'LAG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lag'>>, 'LAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Last'>>, 'LAST_DAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LastDay'>>, 'LAST_DAY_OF_MONTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LastDay'>>, 'LAST_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LastValue'>>, 'LEAD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lead'>>, 'LEAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Least'>>, 'LEFT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Left'>>, 'LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Length'>>, 'LEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Length'>>, 'LEVENSHTEIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Levenshtein'>>, 'LN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ln'>>, 'LOG': <function build_logarithm>, 'LOGICAL_AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'BOOL_AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'BOOLAND_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'LOGICAL_OR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'BOOL_OR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'BOOLOR_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'LOWER': <function build_lower>, 'LCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lower'>>, 'LOWER_HEX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LowerHex'>>, 'MD5': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MD5'>>, 'MD5_DIGEST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MD5Digest'>>, 'MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Map'>>, 'MAP_FROM_ENTRIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MapFromEntries'>>, 'MATCH_AGAINST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MatchAgainst'>>, 'MAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Max'>>, 'MIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Min'>>, 'MONTH': <function MySQL.Parser.<lambda>>, 'MONTHS_BETWEEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MonthsBetween'>>, 'NEXT_VALUE_FOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NextValueFor'>>, 'NTH_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NthValue'>>, 'NULLIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Nullif'>>, 'NUMBER_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NumberToStr'>>, 'NVL2': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Nvl2'>>, 'OPEN_J_S_O_N': <bound method Func.from_arg_list of <class 'sqlglot.expressions.OpenJSON'>>, 'PARAMETERIZED_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParameterizedAgg'>>, 'PARSE_JSON': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParseJSON'>>, 'JSON_PARSE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParseJSON'>>, 'PERCENTILE_CONT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PercentileCont'>>, 'PERCENTILE_DISC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PercentileDisc'>>, 'POSEXPLODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Posexplode'>>, 'POSEXPLODE_OUTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PosexplodeOuter'>>, 'POWER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pow'>>, 'POW': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pow'>>, 'PREDICT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Predict'>>, 'QUANTILE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Quantile'>>, 'QUARTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Quarter'>>, 'RAND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Rand'>>, 'RANDOM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Rand'>>, 'RANDN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Randn'>>, 'RANGE_N': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RangeN'>>, 'READ_CSV': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ReadCSV'>>, 'REDUCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Reduce'>>, 'REGEXP_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpExtract'>>, 'REGEXP_I_LIKE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpILike'>>, 'REGEXP_LIKE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpLike'>>, 'REGEXP_REPLACE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpReplace'>>, 'REGEXP_SPLIT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RegexpSplit'>>, 'REPEAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Repeat'>>, 'RIGHT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Right'>>, 'ROUND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Round'>>, 'ROW_NUMBER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.RowNumber'>>, 'SHA': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SHA'>>, 'SHA1': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SHA'>>, 'SHA2': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SHA2'>>, 'SAFE_DIVIDE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SafeDivide'>>, 'SIGN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sign'>>, 'SIGNUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sign'>>, 'SORT_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.SortArray'>>, 'SPLIT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Split'>>, 'SQRT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sqrt'>>, 'STANDARD_HASH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StandardHash'>>, 'STAR_MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StarMap'>>, 'STARTS_WITH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StartsWith'>>, 'STARTSWITH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StartsWith'>>, 'STDDEV': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stddev'>>, 'STDDEV_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StddevPop'>>, 'STDDEV_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StddevSamp'>>, 'STR_POSITION': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrPosition'>>, 'STR_TO_DATE': <function _str_to_date>, 'STR_TO_MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrToMap'>>, 'STR_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrToTime'>>, 'STR_TO_UNIX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrToUnix'>>, 'STRUCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Struct'>>, 'STRUCT_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StructExtract'>>, 'STUFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stuff'>>, 'INSERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Stuff'>>, 'SUBSTRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Substring'>>, 'SUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Sum'>>, 'TIME_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeAdd'>>, 'TIME_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeDiff'>>, 'TIME_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'TIMEFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'TIME_STR_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToDate'>>, 'TIME_STR_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToTime'>>, 'TIME_STR_TO_UNIX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeStrToUnix'>>, 'TIME_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeSub'>>, 'TIME_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeToStr'>>, 'TIME_TO_TIME_STR': <function Parser.<lambda>>, 'TIME_TO_UNIX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeToUnix'>>, 'TIME_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeTrunc'>>, 'TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Timestamp'>>, 'TIMESTAMP_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampAdd'>>, 'TIMESTAMPDIFF': <function build_date_delta.<locals>._builder>, 'TIMESTAMP_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampDiff'>>, 'TIMESTAMP_FROM_PARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampFromParts'>>, 'TIMESTAMPFROMPARTS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampFromParts'>>, 'TIMESTAMP_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampSub'>>, 'TIMESTAMP_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampTrunc'>>, 'TO_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToArray'>>, 'TO_BASE64': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToBase64'>>, 'TO_CHAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToChar'>>, 'TO_DAYS': <function MySQL.Parser.<lambda>>, 'TO_MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToMap'>>, 'TO_NUMBER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToNumber'>>, 'TRANSFORM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Transform'>>, 'TRIM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Trim'>>, 'TRY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Try'>>, 'TRY_CAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TryCast'>>, 'TS_OR_DI_TO_DI': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDiToDi'>>, 'TS_OR_DS_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsAdd'>>, 'TS_OR_DS_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsDiff'>>, 'TS_OR_DS_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToDate'>>, 'TS_OR_DS_TO_DATE_STR': <function Parser.<lambda>>, 'TS_OR_DS_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToTime'>>, 'TS_OR_DS_TO_TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TsOrDsToTimestamp'>>, 'UNHEX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Unhex'>>, 'UNIX_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixDate'>>, 'UNIX_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToStr'>>, 'UNIX_TO_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToTime'>>, 'UNIX_TO_TIME_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.UnixToTimeStr'>>, 'UPPER': <function build_upper>, 'UCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Upper'>>, 'VAR_MAP': <function build_var_map>, 'VARIANCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VAR_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'VAR_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'WEEK': <function MySQL.Parser.<lambda>>, 'WEEK_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.WeekOfYear'>>, 'WEEKOFYEAR': <function MySQL.Parser.<lambda>>, 'WHEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.When'>>, 'X_M_L_TABLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.XMLTable'>>, 'XOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Xor'>>, 'YEAR': <function MySQL.Parser.<lambda>>, 'GLOB': <function Parser.<lambda>>, 'JSON_EXTRACT_PATH_TEXT': <function build_extract_json_with_path.<locals>._builder>, 'LIKE': <function build_like>, 'LOG2': <function Parser.<lambda>>, 'LOG10': <function Parser.<lambda>>, 'MOD': <function build_mod>, 'TO_HEX': <function build_hex>, 'DATE_FORMAT': <function build_formatted_time.<locals>._builder>, 'INSTR': <function MySQL.Parser.<lambda>>, 'FROM_UNIXTIME': <function build_formatted_time.<locals>._builder>, 'ISNULL': <function isnull_to_is_null>, 'LOCATE': <function locate_to_strposition>, 'MAKETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'MONTHNAME': <function MySQL.Parser.<lambda>>}
FUNCTION_PARSERS =
{'CAST': <function Parser.<lambda>>, 'CONVERT': <function Parser.<lambda>>, 'DECODE': <function Parser.<lambda>>, 'EXTRACT': <function Parser.<lambda>>, 'JSON_OBJECT': <function Parser.<lambda>>, 'JSON_OBJECTAGG': <function Parser.<lambda>>, 'JSON_TABLE': <function Parser.<lambda>>, 'MATCH': <function Parser.<lambda>>, 'OPENJSON': <function Parser.<lambda>>, 'POSITION': <function Parser.<lambda>>, 'PREDICT': <function Parser.<lambda>>, 'SAFE_CAST': <function Parser.<lambda>>, 'STRING_AGG': <function Parser.<lambda>>, 'SUBSTRING': <function Parser.<lambda>>, 'TRIM': <function Parser.<lambda>>, 'TRY_CAST': <function Parser.<lambda>>, 'TRY_CONVERT': <function Parser.<lambda>>, 'CHAR': <function MySQL.Parser.<lambda>>, 'GROUP_CONCAT': <function MySQL.Parser.<lambda>>, 'VALUES': <function MySQL.Parser.<lambda>>}
STATEMENT_PARSERS =
{<TokenType.ALTER: 'ALTER'>: <function Parser.<lambda>>, <TokenType.BEGIN: 'BEGIN'>: <function Parser.<lambda>>, <TokenType.CACHE: 'CACHE'>: <function Parser.<lambda>>, <TokenType.COMMENT: 'COMMENT'>: <function Parser.<lambda>>, <TokenType.COMMIT: 'COMMIT'>: <function Parser.<lambda>>, <TokenType.COPY: 'COPY'>: <function Parser.<lambda>>, <TokenType.CREATE: 'CREATE'>: <function Parser.<lambda>>, <TokenType.DELETE: 'DELETE'>: <function Parser.<lambda>>, <TokenType.DESC: 'DESC'>: <function Parser.<lambda>>, <TokenType.DESCRIBE: 'DESCRIBE'>: <function Parser.<lambda>>, <TokenType.DROP: 'DROP'>: <function Parser.<lambda>>, <TokenType.INSERT: 'INSERT'>: <function Parser.<lambda>>, <TokenType.KILL: 'KILL'>: <function Parser.<lambda>>, <TokenType.LOAD: 'LOAD'>: <function Parser.<lambda>>, <TokenType.MERGE: 'MERGE'>: <function Parser.<lambda>>, <TokenType.PIVOT: 'PIVOT'>: <function Parser.<lambda>>, <TokenType.PRAGMA: 'PRAGMA'>: <function Parser.<lambda>>, <TokenType.REFRESH: 'REFRESH'>: <function Parser.<lambda>>, <TokenType.ROLLBACK: 'ROLLBACK'>: <function Parser.<lambda>>, <TokenType.SET: 'SET'>: <function Parser.<lambda>>, <TokenType.TRUNCATE: 'TRUNCATE'>: <function Parser.<lambda>>, <TokenType.UNCACHE: 'UNCACHE'>: <function Parser.<lambda>>, <TokenType.UPDATE: 'UPDATE'>: <function Parser.<lambda>>, <TokenType.USE: 'USE'>: <function Parser.<lambda>>, <TokenType.SEMICOLON: 'SEMICOLON'>: <function Parser.<lambda>>, <TokenType.SHOW: 'SHOW'>: <function MySQL.Parser.<lambda>>}
SHOW_PARSERS =
{'BINARY LOGS': <function _show_parser.<locals>._parse>, 'MASTER LOGS': <function _show_parser.<locals>._parse>, 'BINLOG EVENTS': <function _show_parser.<locals>._parse>, 'CHARACTER SET': <function _show_parser.<locals>._parse>, 'CHARSET': <function _show_parser.<locals>._parse>, 'COLLATION': <function _show_parser.<locals>._parse>, 'FULL COLUMNS': <function _show_parser.<locals>._parse>, 'COLUMNS': <function _show_parser.<locals>._parse>, 'CREATE DATABASE': <function _show_parser.<locals>._parse>, 'CREATE EVENT': <function _show_parser.<locals>._parse>, 'CREATE FUNCTION': <function _show_parser.<locals>._parse>, 'CREATE PROCEDURE': <function _show_parser.<locals>._parse>, 'CREATE TABLE': <function _show_parser.<locals>._parse>, 'CREATE TRIGGER': <function _show_parser.<locals>._parse>, 'CREATE VIEW': <function _show_parser.<locals>._parse>, 'DATABASES': <function _show_parser.<locals>._parse>, 'SCHEMAS': <function _show_parser.<locals>._parse>, 'ENGINE': <function _show_parser.<locals>._parse>, 'STORAGE ENGINES': <function _show_parser.<locals>._parse>, 'ENGINES': <function _show_parser.<locals>._parse>, 'ERRORS': <function _show_parser.<locals>._parse>, 'EVENTS': <function _show_parser.<locals>._parse>, 'FUNCTION CODE': <function _show_parser.<locals>._parse>, 'FUNCTION STATUS': <function _show_parser.<locals>._parse>, 'GRANTS': <function _show_parser.<locals>._parse>, 'INDEX': <function _show_parser.<locals>._parse>, 'MASTER STATUS': <function _show_parser.<locals>._parse>, 'OPEN TABLES': <function _show_parser.<locals>._parse>, 'PLUGINS': <function _show_parser.<locals>._parse>, 'PROCEDURE CODE': <function _show_parser.<locals>._parse>, 'PROCEDURE STATUS': <function _show_parser.<locals>._parse>, 'PRIVILEGES': <function _show_parser.<locals>._parse>, 'FULL PROCESSLIST': <function _show_parser.<locals>._parse>, 'PROCESSLIST': <function _show_parser.<locals>._parse>, 'PROFILE': <function _show_parser.<locals>._parse>, 'PROFILES': <function _show_parser.<locals>._parse>, 'RELAYLOG EVENTS': <function _show_parser.<locals>._parse>, 'REPLICAS': <function _show_parser.<locals>._parse>, 'SLAVE HOSTS': <function _show_parser.<locals>._parse>, 'REPLICA STATUS': <function _show_parser.<locals>._parse>, 'SLAVE STATUS': <function _show_parser.<locals>._parse>, 'GLOBAL STATUS': <function _show_parser.<locals>._parse>, 'SESSION STATUS': <function _show_parser.<locals>._parse>, 'STATUS': <function _show_parser.<locals>._parse>, 'TABLE STATUS': <function _show_parser.<locals>._parse>, 'FULL TABLES': <function _show_parser.<locals>._parse>, 'TABLES': <function _show_parser.<locals>._parse>, 'TRIGGERS': <function _show_parser.<locals>._parse>, 'GLOBAL VARIABLES': <function _show_parser.<locals>._parse>, 'SESSION VARIABLES': <function _show_parser.<locals>._parse>, 'VARIABLES': <function _show_parser.<locals>._parse>, 'WARNINGS': <function _show_parser.<locals>._parse>}
PROPERTY_PARSERS =
{'ALLOWED_VALUES': <function Parser.<lambda>>, 'ALGORITHM': <function Parser.<lambda>>, 'AUTO': <function Parser.<lambda>>, 'AUTO_INCREMENT': <function Parser.<lambda>>, 'BACKUP': <function Parser.<lambda>>, 'BLOCKCOMPRESSION': <function Parser.<lambda>>, 'CHARSET': <function Parser.<lambda>>, 'CHARACTER SET': <function Parser.<lambda>>, 'CHECKSUM': <function Parser.<lambda>>, 'CLUSTER BY': <function Parser.<lambda>>, 'CLUSTERED': <function Parser.<lambda>>, 'COLLATE': <function Parser.<lambda>>, 'COMMENT': <function Parser.<lambda>>, 'CONTAINS': <function Parser.<lambda>>, 'COPY': <function Parser.<lambda>>, 'DATABLOCKSIZE': <function Parser.<lambda>>, 'DATA_DELETION': <function Parser.<lambda>>, 'DEFINER': <function Parser.<lambda>>, 'DETERMINISTIC': <function Parser.<lambda>>, 'DISTKEY': <function Parser.<lambda>>, 'DISTSTYLE': <function Parser.<lambda>>, 'ENGINE': <function Parser.<lambda>>, 'EXECUTE': <function Parser.<lambda>>, 'EXTERNAL': <function Parser.<lambda>>, 'FALLBACK': <function Parser.<lambda>>, 'FORMAT': <function Parser.<lambda>>, 'FREESPACE': <function Parser.<lambda>>, 'GLOBAL': <function Parser.<lambda>>, 'HEAP': <function Parser.<lambda>>, 'ICEBERG': <function Parser.<lambda>>, 'IMMUTABLE': <function Parser.<lambda>>, 'INHERITS': <function Parser.<lambda>>, 'INPUT': <function Parser.<lambda>>, 'JOURNAL': <function Parser.<lambda>>, 'LANGUAGE': <function Parser.<lambda>>, 'LAYOUT': <function Parser.<lambda>>, 'LIFETIME': <function Parser.<lambda>>, 'LIKE': <function Parser.<lambda>>, 'LOCATION': <function Parser.<lambda>>, 'LOCK': <function MySQL.Parser.<lambda>>, 'LOCKING': <function Parser.<lambda>>, 'LOG': <function Parser.<lambda>>, 'MATERIALIZED': <function Parser.<lambda>>, 'MERGEBLOCKRATIO': <function Parser.<lambda>>, 'MODIFIES': <function Parser.<lambda>>, 'MULTISET': <function Parser.<lambda>>, 'NO': <function Parser.<lambda>>, 'ON': <function Parser.<lambda>>, 'ORDER BY': <function Parser.<lambda>>, 'OUTPUT': <function Parser.<lambda>>, 'PARTITION': <function Parser.<lambda>>, 'PARTITION BY': <function Parser.<lambda>>, 'PARTITIONED BY': <function Parser.<lambda>>, 'PARTITIONED_BY': <function Parser.<lambda>>, 'PRIMARY KEY': <function Parser.<lambda>>, 'RANGE': <function Parser.<lambda>>, 'READS': <function Parser.<lambda>>, 'REMOTE': <function Parser.<lambda>>, 'RETURNS': <function Parser.<lambda>>, 'STRICT': <function Parser.<lambda>>, 'ROW': <function Parser.<lambda>>, 'ROW_FORMAT': <function Parser.<lambda>>, 'SAMPLE': <function Parser.<lambda>>, 'SET': <function Parser.<lambda>>, 'SETTINGS': <function Parser.<lambda>>, 'SHARING': <function Parser.<lambda>>, 'SORTKEY': <function Parser.<lambda>>, 'SOURCE': <function Parser.<lambda>>, 'STABLE': <function Parser.<lambda>>, 'STORED': <function Parser.<lambda>>, 'SYSTEM_VERSIONING': <function Parser.<lambda>>, 'TBLPROPERTIES': <function Parser.<lambda>>, 'TEMP': <function Parser.<lambda>>, 'TEMPORARY': <function Parser.<lambda>>, 'TO': <function Parser.<lambda>>, 'TRANSIENT': <function Parser.<lambda>>, 'TRANSFORM': <function Parser.<lambda>>, 'TTL': <function Parser.<lambda>>, 'USING': <function Parser.<lambda>>, 'UNLOGGED': <function Parser.<lambda>>, 'VOLATILE': <function Parser.<lambda>>, 'WITH': <function Parser.<lambda>>}
SET_PARSERS =
{'GLOBAL': <function Parser.<lambda>>, 'LOCAL': <function Parser.<lambda>>, 'SESSION': <function Parser.<lambda>>, 'TRANSACTION': <function Parser.<lambda>>, 'PERSIST': <function MySQL.Parser.<lambda>>, 'PERSIST_ONLY': <function MySQL.Parser.<lambda>>, 'CHARACTER SET': <function MySQL.Parser.<lambda>>, 'CHARSET': <function MySQL.Parser.<lambda>>, 'NAMES': <function MySQL.Parser.<lambda>>}
CONSTRAINT_PARSERS =
{'AUTOINCREMENT': <function Parser.<lambda>>, 'AUTO_INCREMENT': <function Parser.<lambda>>, 'CASESPECIFIC': <function Parser.<lambda>>, 'CHARACTER SET': <function Parser.<lambda>>, 'CHECK': <function Parser.<lambda>>, 'COLLATE': <function Parser.<lambda>>, 'COMMENT': <function Parser.<lambda>>, 'COMPRESS': <function Parser.<lambda>>, 'CLUSTERED': <function Parser.<lambda>>, 'NONCLUSTERED': <function Parser.<lambda>>, 'DEFAULT': <function Parser.<lambda>>, 'ENCODE': <function Parser.<lambda>>, 'EPHEMERAL': <function Parser.<lambda>>, 'EXCLUDE': <function Parser.<lambda>>, 'FOREIGN KEY': <function Parser.<lambda>>, 'FORMAT': <function Parser.<lambda>>, 'GENERATED': <function Parser.<lambda>>, 'IDENTITY': <function Parser.<lambda>>, 'INLINE': <function Parser.<lambda>>, 'LIKE': <function Parser.<lambda>>, 'NOT': <function Parser.<lambda>>, 'NULL': <function Parser.<lambda>>, 'ON': <function Parser.<lambda>>, 'PATH': <function Parser.<lambda>>, 'PERIOD': <function Parser.<lambda>>, 'PRIMARY KEY': <function Parser.<lambda>>, 'REFERENCES': <function Parser.<lambda>>, 'TITLE': <function Parser.<lambda>>, 'TTL': <function Parser.<lambda>>, 'UNIQUE': <function Parser.<lambda>>, 'UPPERCASE': <function Parser.<lambda>>, 'WITH': <function Parser.<lambda>>, 'FULLTEXT': <function MySQL.Parser.<lambda>>, 'INDEX': <function MySQL.Parser.<lambda>>, 'KEY': <function MySQL.Parser.<lambda>>, 'SPATIAL': <function MySQL.Parser.<lambda>>}
ALTER_PARSERS =
{'ADD': <function Parser.<lambda>>, 'ALTER': <function Parser.<lambda>>, 'CLUSTER BY': <function Parser.<lambda>>, 'DELETE': <function Parser.<lambda>>, 'DROP': <function Parser.<lambda>>, 'RENAME': <function Parser.<lambda>>, 'SET': <function Parser.<lambda>>, 'MODIFY': <function MySQL.Parser.<lambda>>}
SCHEMA_UNNAMED_CONSTRAINTS =
{'EXCLUDE', 'FULLTEXT', 'KEY', 'UNIQUE', 'LIKE', 'CHECK', 'FOREIGN KEY', 'PERIOD', 'SPATIAL', 'PRIMARY KEY', 'INDEX'}
PROFILE_TYPES: Dict[str, Sequence[Union[Sequence[str], str]]] =
{'ALL': (), 'CPU': (), 'IPC': (), 'MEMORY': (), 'SOURCE': (), 'SWAPS': (), 'BLOCK': ('IO',), 'CONTEXT': ('SWITCHES',), 'PAGE': ('FAULTS',)}
TYPE_TOKENS =
{<TokenType.MONEY: 'MONEY'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.ENUM: 'ENUM'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.TEXT: 'TEXT'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.DATE32: 'DATE32'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.INT: 'INT'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.UINT256: 'UINT256'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.INT128: 'INT128'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.INT256: 'INT256'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.XML: 'XML'>, <TokenType.NULL: 'NULL'>, <TokenType.JSON: 'JSON'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.TIME: 'TIME'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.NESTED: 'NESTED'>, <TokenType.SET: 'SET'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.INET: 'INET'>, <TokenType.DATE: 'DATE'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.BINARY: 'BINARY'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.NAME: 'NAME'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.YEAR: 'YEAR'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.BIT: 'BIT'>, <TokenType.UINT: 'UINT'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.UUID: 'UUID'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.SUPER: 'SUPER'>, <TokenType.JSONB: 'JSONB'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.CHAR: 'CHAR'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.UINT128: 'UINT128'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.MAP: 'MAP'>, <TokenType.IPV4: 'IPV4'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.IPV6: 'IPV6'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>}
ENUM_TYPE_TOKENS =
{<TokenType.ENUM: 'ENUM'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.SET: 'SET'>, <TokenType.ENUM16: 'ENUM16'>}
SHOW_TRIE: Dict =
{'BINARY': {'LOGS': {0: True}}, 'MASTER': {'LOGS': {0: True}, 'STATUS': {0: True}}, 'BINLOG': {'EVENTS': {0: True}}, 'CHARACTER': {'SET': {0: True}}, 'CHARSET': {0: True}, 'COLLATION': {0: True}, 'FULL': {'COLUMNS': {0: True}, 'PROCESSLIST': {0: True}, 'TABLES': {0: True}}, 'COLUMNS': {0: True}, 'CREATE': {'DATABASE': {0: True}, 'EVENT': {0: True}, 'FUNCTION': {0: True}, 'PROCEDURE': {0: True}, 'TABLE': {0: True}, 'TRIGGER': {0: True}, 'VIEW': {0: True}}, 'DATABASES': {0: True}, 'SCHEMAS': {0: True}, 'ENGINE': {0: True}, 'STORAGE': {'ENGINES': {0: True}}, 'ENGINES': {0: True}, 'ERRORS': {0: True}, 'EVENTS': {0: True}, 'FUNCTION': {'CODE': {0: True}, 'STATUS': {0: True}}, 'GRANTS': {0: True}, 'INDEX': {0: True}, 'OPEN': {'TABLES': {0: True}}, 'PLUGINS': {0: True}, 'PROCEDURE': {'CODE': {0: True}, 'STATUS': {0: True}}, 'PRIVILEGES': {0: True}, 'PROCESSLIST': {0: True}, 'PROFILE': {0: True}, 'PROFILES': {0: True}, 'RELAYLOG': {'EVENTS': {0: True}}, 'REPLICAS': {0: True}, 'SLAVE': {'HOSTS': {0: True}, 'STATUS': {0: True}}, 'REPLICA': {'STATUS': {0: True}}, 'GLOBAL': {'STATUS': {0: True}, 'VARIABLES': {0: True}}, 'SESSION': {'STATUS': {0: True}, 'VARIABLES': {0: True}}, 'STATUS': {0: True}, 'TABLE': {'STATUS': {0: True}}, 'TABLES': {0: True}, 'TRIGGERS': {0: True}, 'VARIABLES': {0: True}, 'WARNINGS': {0: True}}
SET_TRIE: Dict =
{'GLOBAL': {0: True}, 'LOCAL': {0: True}, 'SESSION': {0: True}, 'TRANSACTION': {0: True}, 'PERSIST': {0: True}, 'PERSIST_ONLY': {0: True}, 'CHARACTER': {'SET': {0: True}}, 'CHARSET': {0: True}, 'NAMES': {0: True}}
Inherited Members
- sqlglot.parser.Parser
- Parser
- NO_PAREN_FUNCTIONS
- STRUCT_TYPE_TOKENS
- NESTED_TYPE_TOKENS
- AGGREGATE_TYPE_TOKENS
- SIGNED_TO_UNSIGNED_TYPE_TOKEN
- SUBQUERY_PREDICATES
- RESERVED_TOKENS
- DB_CREATABLES
- CREATABLES
- ID_VAR_TOKENS
- INTERVAL_VARS
- ALIAS_TOKENS
- COMMENT_TABLE_ALIAS_TOKENS
- UPDATE_ALIAS_TOKENS
- TRIM_TYPES
- EQUALITY
- COMPARISON
- BITWISE
- TERM
- FACTOR
- EXPONENT
- TIMES
- TIMESTAMPS
- SET_OPERATIONS
- JOIN_METHODS
- JOIN_SIDES
- JOIN_KINDS
- JOIN_HINTS
- LAMBDAS
- COLUMN_OPERATORS
- EXPRESSION_PARSERS
- UNARY_PARSERS
- STRING_PARSERS
- NUMERIC_PARSERS
- PRIMARY_PARSERS
- PLACEHOLDER_PARSERS
- ALTER_ALTER_PARSERS
- NO_PAREN_FUNCTION_PARSERS
- INVALID_FUNC_NAME_TOKENS
- FUNCTIONS_WITH_ALIASED_ARGS
- KEY_VALUE_DEFINITIONS
- QUERY_MODIFIER_PARSERS
- TYPE_LITERAL_PARSERS
- TYPE_CONVERTER
- DDL_SELECT_TOKENS
- PRE_VOLATILE_TOKENS
- TRANSACTION_KIND
- TRANSACTION_CHARACTERISTICS
- CONFLICT_ACTIONS
- CREATE_SEQUENCE
- ISOLATED_LOADING_OPTIONS
- USABLES
- CAST_ACTIONS
- INSERT_ALTERNATIVES
- CLONE_KEYWORDS
- HISTORICAL_DATA_KIND
- OPCLASS_FOLLOW_KEYWORDS
- OPTYPE_FOLLOW_TOKENS
- TABLE_INDEX_HINT_TOKENS
- VIEW_ATTRIBUTES
- WINDOW_ALIAS_TOKENS
- WINDOW_BEFORE_PAREN_TOKENS
- WINDOW_SIDES
- JSON_KEY_VALUE_SEPARATOR_TOKENS
- FETCH_TOKENS
- ADD_CONSTRAINT_TOKENS
- DISTINCT_TOKENS
- NULL_TOKENS
- UNNEST_OFFSET_ALIAS_TOKENS
- SELECT_START_TOKENS
- STRICT_CAST
- PREFIXED_PIVOT_COLUMNS
- IDENTIFY_PIVOT_STRINGS
- ALTER_TABLE_ADD_REQUIRED_FOR_EACH_COLUMN
- TABLESAMPLE_CSV
- DEFAULT_SAMPLING_METHOD
- SET_REQUIRES_ASSIGNMENT_DELIMITER
- TRIM_PATTERN_FIRST
- MODIFIERS_ATTACHED_TO_UNION
- UNION_MODIFIERS
- NO_PAREN_IF_COMMANDS
- JSON_ARROWS_REQUIRE_JSON_TYPE
- COLON_IS_JSON_EXTRACT
- SUPPORTS_IMPLICIT_UNNEST
- INTERVAL_SPANS
- error_level
- error_message_context
- max_errors
- dialect
- reset
- parse
- parse_into
- check_errors
- raise_error
- expression
- validate_expression
- errors
- sql
673 class Generator(generator.Generator): 674 LOCKING_READS_SUPPORTED = True 675 NULL_ORDERING_SUPPORTED = None 676 JOIN_HINTS = False 677 TABLE_HINTS = True 678 DUPLICATE_KEY_UPDATE_WITH_SET = False 679 QUERY_HINT_SEP = " " 680 VALUES_AS_TABLE = False 681 NVL2_SUPPORTED = False 682 LAST_DAY_SUPPORTS_DATE_PART = False 683 JSON_TYPE_REQUIRED_FOR_EXTRACTION = True 684 JSON_PATH_BRACKETED_KEY_SUPPORTED = False 685 JSON_KEY_VALUE_PAIR_SEP = "," 686 SUPPORTS_TO_NUMBER = False 687 688 TRANSFORMS = { 689 **generator.Generator.TRANSFORMS, 690 exp.ArrayAgg: rename_func("GROUP_CONCAT"), 691 exp.CurrentDate: no_paren_current_date_sql, 692 exp.DateDiff: _remove_ts_or_ds_to_date( 693 lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression") 694 ), 695 exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")), 696 exp.DateStrToDate: datestrtodate_sql, 697 exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")), 698 exp.DateTrunc: _date_trunc_sql, 699 exp.Day: _remove_ts_or_ds_to_date(), 700 exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")), 701 exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")), 702 exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")), 703 exp.GroupConcat: lambda self, 704 e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""", 705 exp.ILike: no_ilike_sql, 706 exp.JSONExtractScalar: arrow_json_extract_sql, 707 exp.Max: max_or_greatest, 708 exp.Min: min_or_least, 709 exp.Month: _remove_ts_or_ds_to_date(), 710 exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"), 711 exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}", 712 exp.ParseJSON: lambda self, e: self.sql(e, "this"), 713 exp.Pivot: no_pivot_sql, 714 exp.Select: transforms.preprocess( 715 [ 716 transforms.eliminate_distinct_on, 717 transforms.eliminate_semi_and_anti_joins, 718 transforms.eliminate_qualify, 719 transforms.eliminate_full_outer_join, 720 ] 721 ), 722 exp.StrPosition: strposition_to_locate_sql, 723 exp.StrToDate: _str_to_date_sql, 724 exp.StrToTime: _str_to_date_sql, 725 exp.Stuff: rename_func("INSERT"), 726 exp.TableSample: no_tablesample_sql, 727 exp.TimeFromParts: rename_func("MAKETIME"), 728 exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"), 729 exp.TimestampDiff: lambda self, e: self.func( 730 "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this 731 ), 732 exp.TimestampSub: date_add_interval_sql("DATE", "SUB"), 733 exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"), 734 exp.TimeStrToTime: lambda self, e: self.sql( 735 exp.cast(e.this, exp.DataType.Type.DATETIME, copy=True) 736 ), 737 exp.TimeToStr: _remove_ts_or_ds_to_date( 738 lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e)) 739 ), 740 exp.Trim: _trim_sql, 741 exp.TryCast: no_trycast_sql, 742 exp.TsOrDsAdd: date_add_sql("ADD"), 743 exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression), 744 exp.TsOrDsToDate: _ts_or_ds_to_date_sql, 745 exp.UnixToTime: _unix_to_time_sql, 746 exp.Week: _remove_ts_or_ds_to_date(), 747 exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")), 748 exp.Year: _remove_ts_or_ds_to_date(), 749 } 750 751 UNSIGNED_TYPE_MAPPING = { 752 exp.DataType.Type.UBIGINT: "BIGINT", 753 exp.DataType.Type.UINT: "INT", 754 exp.DataType.Type.UMEDIUMINT: "MEDIUMINT", 755 exp.DataType.Type.USMALLINT: "SMALLINT", 756 exp.DataType.Type.UTINYINT: "TINYINT", 757 exp.DataType.Type.UDECIMAL: "DECIMAL", 758 } 759 760 TIMESTAMP_TYPE_MAPPING = { 761 exp.DataType.Type.TIMESTAMP: "DATETIME", 762 exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP", 763 exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP", 764 } 765 766 TYPE_MAPPING = { 767 **generator.Generator.TYPE_MAPPING, 768 **UNSIGNED_TYPE_MAPPING, 769 **TIMESTAMP_TYPE_MAPPING, 770 } 771 772 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT) 773 TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT) 774 TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT) 775 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB) 776 TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB) 777 TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB) 778 779 PROPERTIES_LOCATION = { 780 **generator.Generator.PROPERTIES_LOCATION, 781 exp.TransientProperty: exp.Properties.Location.UNSUPPORTED, 782 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, 783 } 784 785 LIMIT_FETCH = "LIMIT" 786 787 LIMIT_ONLY_LITERALS = True 788 789 CHAR_CAST_MAPPING = dict.fromkeys( 790 ( 791 exp.DataType.Type.LONGTEXT, 792 exp.DataType.Type.LONGBLOB, 793 exp.DataType.Type.MEDIUMBLOB, 794 exp.DataType.Type.MEDIUMTEXT, 795 exp.DataType.Type.TEXT, 796 exp.DataType.Type.TINYBLOB, 797 exp.DataType.Type.TINYTEXT, 798 exp.DataType.Type.VARCHAR, 799 ), 800 "CHAR", 801 ) 802 SIGNED_CAST_MAPPING = dict.fromkeys( 803 ( 804 exp.DataType.Type.BIGINT, 805 exp.DataType.Type.BOOLEAN, 806 exp.DataType.Type.INT, 807 exp.DataType.Type.SMALLINT, 808 exp.DataType.Type.TINYINT, 809 exp.DataType.Type.MEDIUMINT, 810 ), 811 "SIGNED", 812 ) 813 814 # MySQL doesn't support many datatypes in cast. 815 # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast 816 CAST_MAPPING = { 817 **CHAR_CAST_MAPPING, 818 **SIGNED_CAST_MAPPING, 819 exp.DataType.Type.UBIGINT: "UNSIGNED", 820 } 821 822 TIMESTAMP_FUNC_TYPES = { 823 exp.DataType.Type.TIMESTAMPTZ, 824 exp.DataType.Type.TIMESTAMPLTZ, 825 } 826 827 def dpipe_sql(self, expression: exp.DPipe) -> str: 828 return self.func("CONCAT", *expression.flatten()) 829 830 def extract_sql(self, expression: exp.Extract) -> str: 831 unit = expression.name 832 if unit and unit.lower() == "epoch": 833 return self.func("UNIX_TIMESTAMP", expression.expression) 834 835 return super().extract_sql(expression) 836 837 def datatype_sql(self, expression: exp.DataType) -> str: 838 # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html 839 result = super().datatype_sql(expression) 840 if expression.this in self.UNSIGNED_TYPE_MAPPING: 841 result = f"{result} UNSIGNED" 842 return result 843 844 def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str: 845 return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})" 846 847 def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str: 848 if expression.to.this in self.TIMESTAMP_FUNC_TYPES: 849 return self.func("TIMESTAMP", expression.this) 850 851 to = self.CAST_MAPPING.get(expression.to.this) 852 853 if to: 854 expression.to.set("this", to) 855 return super().cast_sql(expression) 856 857 def show_sql(self, expression: exp.Show) -> str: 858 this = f" {expression.name}" 859 full = " FULL" if expression.args.get("full") else "" 860 global_ = " GLOBAL" if expression.args.get("global") else "" 861 862 target = self.sql(expression, "target") 863 target = f" {target}" if target else "" 864 if expression.name in ("COLUMNS", "INDEX"): 865 target = f" FROM{target}" 866 elif expression.name == "GRANTS": 867 target = f" FOR{target}" 868 869 db = self._prefixed_sql("FROM", expression, "db") 870 871 like = self._prefixed_sql("LIKE", expression, "like") 872 where = self.sql(expression, "where") 873 874 types = self.expressions(expression, key="types") 875 types = f" {types}" if types else types 876 query = self._prefixed_sql("FOR QUERY", expression, "query") 877 878 if expression.name == "PROFILE": 879 offset = self._prefixed_sql("OFFSET", expression, "offset") 880 limit = self._prefixed_sql("LIMIT", expression, "limit") 881 else: 882 offset = "" 883 limit = self._oldstyle_limit_sql(expression) 884 885 log = self._prefixed_sql("IN", expression, "log") 886 position = self._prefixed_sql("FROM", expression, "position") 887 888 channel = self._prefixed_sql("FOR CHANNEL", expression, "channel") 889 890 if expression.name == "ENGINE": 891 mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS" 892 else: 893 mutex_or_status = "" 894 895 return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}" 896 897 def altercolumn_sql(self, expression: exp.AlterColumn) -> str: 898 dtype = self.sql(expression, "dtype") 899 if not dtype: 900 return super().altercolumn_sql(expression) 901 902 this = self.sql(expression, "this") 903 return f"MODIFY COLUMN {this} {dtype}" 904 905 def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str: 906 sql = self.sql(expression, arg) 907 return f" {prefix} {sql}" if sql else "" 908 909 def _oldstyle_limit_sql(self, expression: exp.Show) -> str: 910 limit = self.sql(expression, "limit") 911 offset = self.sql(expression, "offset") 912 if limit: 913 limit_offset = f"{offset}, {limit}" if offset else limit 914 return f" LIMIT {limit_offset}" 915 return "" 916 917 def chr_sql(self, expression: exp.Chr) -> str: 918 this = self.expressions(sqls=[expression.this] + expression.expressions) 919 charset = expression.args.get("charset") 920 using = f" USING {self.sql(charset)}" if charset else "" 921 return f"CHAR({this}{using})" 922 923 def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str: 924 unit = expression.args.get("unit") 925 926 # Pick an old-enough date to avoid negative timestamp diffs 927 start_ts = "'0000-01-01 00:00:00'" 928 929 # Source: https://stackoverflow.com/a/32955740 930 timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this]) 931 interval = exp.Interval(this=timestamp_diff, unit=unit) 932 dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval]) 933 934 return self.sql(dateadd)
Generator converts a given syntax tree to the corresponding SQL string.
Arguments:
- pretty: Whether to format the produced SQL string. Default: False.
- identify: Determines when an identifier should be quoted. Possible values are: False (default): Never quote, except in cases where it's mandatory by the dialect. True or 'always': Always quote. 'safe': Only quote identifiers that are case insensitive.
- normalize: Whether to normalize identifiers to lowercase. Default: False.
- pad: The pad size in a formatted string. For example, this affects the indentation of a projection in a query, relative to its nesting level. Default: 2.
- indent: The indentation size in a formatted string. For example, this affects the
indentation of subqueries and filters under a
WHERE
clause. Default: 2. - normalize_functions: How to normalize function names. Possible values are: "upper" or True (default): Convert names to uppercase. "lower": Convert names to lowercase. False: Disables function name normalization.
- unsupported_level: Determines the generator's behavior when it encounters unsupported expressions. Default ErrorLevel.WARN.
- max_unsupported: Maximum number of unsupported messages to include in a raised UnsupportedError. This is only relevant if unsupported_level is ErrorLevel.RAISE. Default: 3
- leading_comma: Whether the comma is leading or trailing in select expressions. This is only relevant when generating in pretty mode. Default: False
- max_text_width: The max number of characters in a segment before creating new lines in pretty mode. The default is on the smaller end because the length only represents a segment and not the true line length. Default: 80
- comments: Whether to preserve comments in the output SQL code. Default: True
TRANSFORMS =
{<class 'sqlglot.expressions.JSONPathFilter'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathKey'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathRecursive'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathRoot'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathScript'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathSelector'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathSlice'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathSubscript'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathUnion'>: <function <lambda>>, <class 'sqlglot.expressions.JSONPathWildcard'>: <function <lambda>>, <class 'sqlglot.expressions.AllowedValuesProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.AutoRefreshProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.BackupProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CaseSpecificColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CharacterSetColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CharacterSetProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ClusteredColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CollateColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CommentColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CopyGrantsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.DateFormatColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.DefaultColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.EncodeColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.EphemeralColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ExcludeColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ExecuteAsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ExternalProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.GlobalProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.HeapProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.IcebergProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.InheritsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.InlineLengthColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.InputModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.IntervalSpan'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.JSONExtract'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.JSONExtractScalar'>: <function arrow_json_extract_sql>, <class 'sqlglot.expressions.LanguageProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.LocationProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.LogProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.MaterializedProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NonClusteredColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NoPrimaryIndexProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.NotForReplicationColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnCommitProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OnUpdateColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.OutputModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.PathColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.RemoteWithConnectionModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ReturnsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SampleProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SetConfigProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SetProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SettingsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SharingProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SqlReadWriteProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SqlSecurityProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.StabilityProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.StrictProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TemporaryProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TitleColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.Timestamp'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ToMap'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ToTableProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TransformModelProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TransientProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.UppercaseColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.UnloggedProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.VarMap'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ViewAttributeProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.VolatileProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithJournalTableProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.WithOperator'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ArrayAgg'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.CurrentDate'>: <function no_paren_current_date_sql>, <class 'sqlglot.expressions.DateDiff'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateAdd'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateStrToDate'>: <function datestrtodate_sql>, <class 'sqlglot.expressions.DateSub'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DateTrunc'>: <function _date_trunc_sql>, <class 'sqlglot.expressions.Day'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfMonth'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfWeek'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.DayOfYear'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.GroupConcat'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.ILike'>: <function no_ilike_sql>, <class 'sqlglot.expressions.Max'>: <function max_or_greatest>, <class 'sqlglot.expressions.Min'>: <function min_or_least>, <class 'sqlglot.expressions.Month'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.NullSafeEQ'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.NullSafeNEQ'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.ParseJSON'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.Pivot'>: <function no_pivot_sql>, <class 'sqlglot.expressions.Select'>: <function preprocess.<locals>._to_sql>, <class 'sqlglot.expressions.StrPosition'>: <function strposition_to_locate_sql>, <class 'sqlglot.expressions.StrToDate'>: <function _str_to_date_sql>, <class 'sqlglot.expressions.StrToTime'>: <function _str_to_date_sql>, <class 'sqlglot.expressions.Stuff'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TableSample'>: <function no_tablesample_sql>, <class 'sqlglot.expressions.TimeFromParts'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TimestampAdd'>: <function date_add_interval_sql.<locals>.func>, <class 'sqlglot.expressions.TimestampDiff'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TimestampSub'>: <function date_add_interval_sql.<locals>.func>, <class 'sqlglot.expressions.TimeStrToUnix'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TimeStrToTime'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TimeToStr'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.Trim'>: <function _trim_sql>, <class 'sqlglot.expressions.TryCast'>: <function no_trycast_sql>, <class 'sqlglot.expressions.TsOrDsAdd'>: <function date_add_sql.<locals>.func>, <class 'sqlglot.expressions.TsOrDsDiff'>: <function MySQL.Generator.<lambda>>, <class 'sqlglot.expressions.TsOrDsToDate'>: <function _ts_or_ds_to_date_sql>, <class 'sqlglot.expressions.UnixToTime'>: <function _unix_to_time_sql>, <class 'sqlglot.expressions.Week'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.WeekOfYear'>: <function _remove_ts_or_ds_to_date.<locals>.func>, <class 'sqlglot.expressions.Year'>: <function _remove_ts_or_ds_to_date.<locals>.func>}
UNSIGNED_TYPE_MAPPING =
{<Type.UBIGINT: 'UBIGINT'>: 'BIGINT', <Type.UINT: 'UINT'>: 'INT', <Type.UMEDIUMINT: 'UMEDIUMINT'>: 'MEDIUMINT', <Type.USMALLINT: 'USMALLINT'>: 'SMALLINT', <Type.UTINYINT: 'UTINYINT'>: 'TINYINT', <Type.UDECIMAL: 'UDECIMAL'>: 'DECIMAL'}
TIMESTAMP_TYPE_MAPPING =
{<Type.TIMESTAMP: 'TIMESTAMP'>: 'DATETIME', <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: 'TIMESTAMP', <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>: 'TIMESTAMP'}
TYPE_MAPPING =
{<Type.NCHAR: 'NCHAR'>: 'CHAR', <Type.NVARCHAR: 'NVARCHAR'>: 'VARCHAR', <Type.INET: 'INET'>: 'INET', <Type.ROWVERSION: 'ROWVERSION'>: 'VARBINARY', <Type.UBIGINT: 'UBIGINT'>: 'BIGINT', <Type.UINT: 'UINT'>: 'INT', <Type.UMEDIUMINT: 'UMEDIUMINT'>: 'MEDIUMINT', <Type.USMALLINT: 'USMALLINT'>: 'SMALLINT', <Type.UTINYINT: 'UTINYINT'>: 'TINYINT', <Type.UDECIMAL: 'UDECIMAL'>: 'DECIMAL', <Type.TIMESTAMP: 'TIMESTAMP'>: 'DATETIME', <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: 'TIMESTAMP', <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>: 'TIMESTAMP'}
PROPERTIES_LOCATION =
{<class 'sqlglot.expressions.AllowedValuesProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.AlgorithmProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.AutoIncrementProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.AutoRefreshProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.BackupProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.BlockCompressionProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.CharacterSetProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ChecksumProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.CollateProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.CopyGrantsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Cluster'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ClusteredByProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DataBlocksizeProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.DataDeletionProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DefinerProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.DictRange'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DictProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DistKeyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DistStyleProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.EngineProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ExecuteAsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ExternalProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.FallbackProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.FileFormatProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.FreespaceProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.GlobalProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.HeapProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.InheritsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.IcebergProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.InputModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.IsolatedLoadingProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.JournalProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.LanguageProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LikeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LocationProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LockProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LockingProperty'>: <Location.POST_ALIAS: 'POST_ALIAS'>, <class 'sqlglot.expressions.LogProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.MaterializedProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.MergeBlockRatioProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.NoPrimaryIndexProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.OnProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.OnCommitProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.Order'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.OutputModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.PartitionedByProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.PartitionedOfProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.PrimaryKey'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Property'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.RemoteWithConnectionModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ReturnsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatDelimitedProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatSerdeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SampleProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SchemaCommentProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SerdeProperties'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Set'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SettingsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SetProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.SetConfigProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SharingProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.SequenceProperties'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.SortKeyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SqlReadWriteProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SqlSecurityProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.StabilityProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.StrictProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.TemporaryProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.ToTableProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.TransientProperty'>: <Location.UNSUPPORTED: 'UNSUPPORTED'>, <class 'sqlglot.expressions.TransformModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.MergeTreeTTL'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.UnloggedProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.ViewAttributeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.VolatileProperty'>: <Location.UNSUPPORTED: 'UNSUPPORTED'>, <class 'sqlglot.expressions.WithDataProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.WithJournalTableProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.WithSystemVersioningProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>}
CHAR_CAST_MAPPING =
{<Type.LONGTEXT: 'LONGTEXT'>: 'CHAR', <Type.LONGBLOB: 'LONGBLOB'>: 'CHAR', <Type.MEDIUMBLOB: 'MEDIUMBLOB'>: 'CHAR', <Type.MEDIUMTEXT: 'MEDIUMTEXT'>: 'CHAR', <Type.TEXT: 'TEXT'>: 'CHAR', <Type.TINYBLOB: 'TINYBLOB'>: 'CHAR', <Type.TINYTEXT: 'TINYTEXT'>: 'CHAR', <Type.VARCHAR: 'VARCHAR'>: 'CHAR'}
SIGNED_CAST_MAPPING =
{<Type.BIGINT: 'BIGINT'>: 'SIGNED', <Type.BOOLEAN: 'BOOLEAN'>: 'SIGNED', <Type.INT: 'INT'>: 'SIGNED', <Type.SMALLINT: 'SMALLINT'>: 'SIGNED', <Type.TINYINT: 'TINYINT'>: 'SIGNED', <Type.MEDIUMINT: 'MEDIUMINT'>: 'SIGNED'}
CAST_MAPPING =
{<Type.LONGTEXT: 'LONGTEXT'>: 'CHAR', <Type.LONGBLOB: 'LONGBLOB'>: 'CHAR', <Type.MEDIUMBLOB: 'MEDIUMBLOB'>: 'CHAR', <Type.MEDIUMTEXT: 'MEDIUMTEXT'>: 'CHAR', <Type.TEXT: 'TEXT'>: 'CHAR', <Type.TINYBLOB: 'TINYBLOB'>: 'CHAR', <Type.TINYTEXT: 'TINYTEXT'>: 'CHAR', <Type.VARCHAR: 'VARCHAR'>: 'CHAR', <Type.BIGINT: 'BIGINT'>: 'SIGNED', <Type.BOOLEAN: 'BOOLEAN'>: 'SIGNED', <Type.INT: 'INT'>: 'SIGNED', <Type.SMALLINT: 'SMALLINT'>: 'SIGNED', <Type.TINYINT: 'TINYINT'>: 'SIGNED', <Type.MEDIUMINT: 'MEDIUMINT'>: 'SIGNED', <Type.UBIGINT: 'UBIGINT'>: 'UNSIGNED'}
def
cast_sql( self, expression: sqlglot.expressions.Cast, safe_prefix: Optional[str] = None) -> str:
847 def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str: 848 if expression.to.this in self.TIMESTAMP_FUNC_TYPES: 849 return self.func("TIMESTAMP", expression.this) 850 851 to = self.CAST_MAPPING.get(expression.to.this) 852 853 if to: 854 expression.to.set("this", to) 855 return super().cast_sql(expression)
857 def show_sql(self, expression: exp.Show) -> str: 858 this = f" {expression.name}" 859 full = " FULL" if expression.args.get("full") else "" 860 global_ = " GLOBAL" if expression.args.get("global") else "" 861 862 target = self.sql(expression, "target") 863 target = f" {target}" if target else "" 864 if expression.name in ("COLUMNS", "INDEX"): 865 target = f" FROM{target}" 866 elif expression.name == "GRANTS": 867 target = f" FOR{target}" 868 869 db = self._prefixed_sql("FROM", expression, "db") 870 871 like = self._prefixed_sql("LIKE", expression, "like") 872 where = self.sql(expression, "where") 873 874 types = self.expressions(expression, key="types") 875 types = f" {types}" if types else types 876 query = self._prefixed_sql("FOR QUERY", expression, "query") 877 878 if expression.name == "PROFILE": 879 offset = self._prefixed_sql("OFFSET", expression, "offset") 880 limit = self._prefixed_sql("LIMIT", expression, "limit") 881 else: 882 offset = "" 883 limit = self._oldstyle_limit_sql(expression) 884 885 log = self._prefixed_sql("IN", expression, "log") 886 position = self._prefixed_sql("FROM", expression, "position") 887 888 channel = self._prefixed_sql("FOR CHANNEL", expression, "channel") 889 890 if expression.name == "ENGINE": 891 mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS" 892 else: 893 mutex_or_status = "" 894 895 return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
923 def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str: 924 unit = expression.args.get("unit") 925 926 # Pick an old-enough date to avoid negative timestamp diffs 927 start_ts = "'0000-01-01 00:00:00'" 928 929 # Source: https://stackoverflow.com/a/32955740 930 timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this]) 931 interval = exp.Interval(this=timestamp_diff, unit=unit) 932 dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval]) 933 934 return self.sql(dateadd)
AFTER_HAVING_MODIFIER_TRANSFORMS =
{'qualify': <function Generator.<lambda>>, 'windows': <function Generator.<lambda>>}
Inherited Members
- sqlglot.generator.Generator
- Generator
- IGNORE_NULLS_IN_FUNC
- EXPLICIT_UNION
- WRAP_DERIVED_VALUES
- CREATE_FUNCTION_RETURN_AS
- MATCHED_BY_SOURCE
- SINGLE_STRING_INTERVAL
- INTERVAL_ALLOWS_PLURAL_FORM
- RENAME_TABLE_WITH_DB
- GROUPINGS_SEP
- INDEX_ON
- QUERY_HINTS
- IS_BOOL_ALLOWED
- LIMIT_IS_TOP
- RETURNING_END
- COLUMN_JOIN_MARKS_SUPPORTED
- EXTRACT_ALLOWS_QUOTES
- TZ_TO_WITH_TIME_ZONE
- ALTER_TABLE_INCLUDE_COLUMN_KEYWORD
- UNNEST_WITH_ORDINALITY
- AGGREGATE_FILTER_SUPPORTED
- SEMI_ANTI_JOIN_WITH_SIDE
- COMPUTED_COLUMN_WITH_TYPE
- SUPPORTS_TABLE_COPY
- TABLESAMPLE_REQUIRES_PARENS
- TABLESAMPLE_SIZE_IS_ROWS
- TABLESAMPLE_KEYWORDS
- TABLESAMPLE_WITH_METHOD
- TABLESAMPLE_SEED_KEYWORD
- COLLATE_IS_FUNC
- DATA_TYPE_SPECIFIERS_ALLOWED
- ENSURE_BOOLS
- CTE_RECURSIVE_KEYWORD_REQUIRED
- SUPPORTS_SINGLE_ARG_CONCAT
- SUPPORTS_TABLE_ALIAS_COLUMNS
- UNPIVOT_ALIASES_ARE_IDENTIFIERS
- INSERT_OVERWRITE
- SUPPORTS_SELECT_INTO
- SUPPORTS_UNLOGGED_TABLES
- SUPPORTS_CREATE_TABLE_LIKE
- LIKE_PROPERTY_INSIDE_SCHEMA
- MULTI_ARG_DISTINCT
- JSON_PATH_SINGLE_QUOTE_ESCAPE
- SUPPORTED_JSON_PATH_PARTS
- CAN_IMPLEMENT_ARRAY_ANY
- OUTER_UNION_MODIFIERS
- COPY_PARAMS_ARE_WRAPPED
- COPY_PARAMS_EQ_REQUIRED
- COPY_HAS_INTO_KEYWORD
- STAR_EXCEPT
- HEX_FUNC
- WITH_PROPERTIES_PREFIX
- TIME_PART_SINGULARS
- TOKEN_MAPPING
- STRUCT_DELIMITER
- PARAMETER_TOKEN
- NAMED_PLACEHOLDER_TOKEN
- RESERVED_KEYWORDS
- WITH_SEPARATED_COMMENTS
- EXCLUDE_COMMENTS
- UNWRAPPED_INTERVAL_VALUES
- PARAMETERIZABLE_TEXT_TYPES
- EXPRESSIONS_WITHOUT_NESTED_CTES
- SENTINEL_LINE_BREAK
- pretty
- identify
- normalize
- pad
- unsupported_level
- max_unsupported
- leading_comma
- max_text_width
- comments
- dialect
- normalize_functions
- unsupported_messages
- generate
- preprocess
- unsupported
- sep
- seg
- pad_comment
- maybe_comment
- wrap
- no_identify
- normalize_func
- indent
- sql
- uncache_sql
- cache_sql
- characterset_sql
- column_parts
- column_sql
- columnposition_sql
- columndef_sql
- columnconstraint_sql
- computedcolumnconstraint_sql
- autoincrementcolumnconstraint_sql
- compresscolumnconstraint_sql
- generatedasidentitycolumnconstraint_sql
- generatedasrowcolumnconstraint_sql
- periodforsystemtimeconstraint_sql
- notnullcolumnconstraint_sql
- transformcolumnconstraint_sql
- primarykeycolumnconstraint_sql
- uniquecolumnconstraint_sql
- createable_sql
- create_sql
- sequenceproperties_sql
- clone_sql
- describe_sql
- heredoc_sql
- prepend_ctes
- with_sql
- cte_sql
- tablealias_sql
- bitstring_sql
- hexstring_sql
- bytestring_sql
- unicodestring_sql
- rawstring_sql
- datatypeparam_sql
- directory_sql
- delete_sql
- drop_sql
- except_sql
- except_op
- fetch_sql
- filter_sql
- hint_sql
- indexparameters_sql
- index_sql
- identifier_sql
- hex_sql
- lowerhex_sql
- inputoutputformat_sql
- national_sql
- partition_sql
- properties_sql
- root_properties
- properties
- with_properties
- locate_properties
- property_name
- property_sql
- likeproperty_sql
- fallbackproperty_sql
- journalproperty_sql
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- nvl2_sql
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- convert_sql
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- semicolon_sql
- datadeletionproperty_sql