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 date_add_sql( 114 kind: str, 115) -> t.Callable[[generator.Generator, exp.Expression], str]: 116 def func(self: generator.Generator, expression: exp.Expression) -> str: 117 return self.func( 118 f"DATE_{kind}", 119 expression.this, 120 exp.Interval(this=expression.expression, unit=unit_to_var(expression)), 121 ) 122 123 return func 124 125 126def _ts_or_ds_to_date_sql(self: MySQL.Generator, expression: exp.TsOrDsToDate) -> str: 127 time_format = expression.args.get("format") 128 return _str_to_date_sql(self, expression) if time_format else self.func("DATE", expression.this) 129 130 131def _remove_ts_or_ds_to_date( 132 to_sql: t.Optional[t.Callable[[MySQL.Generator, exp.Expression], str]] = None, 133 args: t.Tuple[str, ...] = ("this",), 134) -> t.Callable[[MySQL.Generator, exp.Func], str]: 135 def func(self: MySQL.Generator, expression: exp.Func) -> str: 136 for arg_key in args: 137 arg = expression.args.get(arg_key) 138 if isinstance(arg, exp.TsOrDsToDate) and not arg.args.get("format"): 139 expression.set(arg_key, arg.this) 140 141 return to_sql(self, expression) if to_sql else self.function_fallback_sql(expression) 142 143 return func 144 145 146class MySQL(Dialect): 147 # https://dev.mysql.com/doc/refman/8.0/en/identifiers.html 148 IDENTIFIERS_CAN_START_WITH_DIGIT = True 149 150 # We default to treating all identifiers as case-sensitive, since it matches MySQL's 151 # behavior on Linux systems. For MacOS and Windows systems, one can override this 152 # setting by specifying `dialect="mysql, normalization_strategy = lowercase"`. 153 # 154 # See also https://dev.mysql.com/doc/refman/8.2/en/identifier-case-sensitivity.html 155 NORMALIZATION_STRATEGY = NormalizationStrategy.CASE_SENSITIVE 156 157 TIME_FORMAT = "'%Y-%m-%d %T'" 158 DPIPE_IS_STRING_CONCAT = False 159 SUPPORTS_USER_DEFINED_TYPES = False 160 SUPPORTS_SEMI_ANTI_JOIN = False 161 SAFE_DIVISION = True 162 163 # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions 164 TIME_MAPPING = { 165 "%M": "%B", 166 "%c": "%-m", 167 "%e": "%-d", 168 "%h": "%I", 169 "%i": "%M", 170 "%s": "%S", 171 "%u": "%W", 172 "%k": "%-H", 173 "%l": "%-I", 174 "%T": "%H:%M:%S", 175 "%W": "%a", 176 } 177 178 class Tokenizer(tokens.Tokenizer): 179 QUOTES = ["'", '"'] 180 COMMENTS = ["--", "#", ("/*", "*/")] 181 IDENTIFIERS = ["`"] 182 STRING_ESCAPES = ["'", '"', "\\"] 183 BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")] 184 HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")] 185 186 KEYWORDS = { 187 **tokens.Tokenizer.KEYWORDS, 188 "CHARSET": TokenType.CHARACTER_SET, 189 "FORCE": TokenType.FORCE, 190 "IGNORE": TokenType.IGNORE, 191 "LOCK TABLES": TokenType.COMMAND, 192 "LONGBLOB": TokenType.LONGBLOB, 193 "LONGTEXT": TokenType.LONGTEXT, 194 "MEDIUMBLOB": TokenType.MEDIUMBLOB, 195 "TINYBLOB": TokenType.TINYBLOB, 196 "TINYTEXT": TokenType.TINYTEXT, 197 "MEDIUMTEXT": TokenType.MEDIUMTEXT, 198 "MEDIUMINT": TokenType.MEDIUMINT, 199 "MEMBER OF": TokenType.MEMBER_OF, 200 "SEPARATOR": TokenType.SEPARATOR, 201 "START": TokenType.BEGIN, 202 "SIGNED": TokenType.BIGINT, 203 "SIGNED INTEGER": TokenType.BIGINT, 204 "UNLOCK TABLES": TokenType.COMMAND, 205 "UNSIGNED": TokenType.UBIGINT, 206 "UNSIGNED INTEGER": TokenType.UBIGINT, 207 "YEAR": TokenType.YEAR, 208 "_ARMSCII8": TokenType.INTRODUCER, 209 "_ASCII": TokenType.INTRODUCER, 210 "_BIG5": TokenType.INTRODUCER, 211 "_BINARY": TokenType.INTRODUCER, 212 "_CP1250": TokenType.INTRODUCER, 213 "_CP1251": TokenType.INTRODUCER, 214 "_CP1256": TokenType.INTRODUCER, 215 "_CP1257": TokenType.INTRODUCER, 216 "_CP850": TokenType.INTRODUCER, 217 "_CP852": TokenType.INTRODUCER, 218 "_CP866": TokenType.INTRODUCER, 219 "_CP932": TokenType.INTRODUCER, 220 "_DEC8": TokenType.INTRODUCER, 221 "_EUCJPMS": TokenType.INTRODUCER, 222 "_EUCKR": TokenType.INTRODUCER, 223 "_GB18030": TokenType.INTRODUCER, 224 "_GB2312": TokenType.INTRODUCER, 225 "_GBK": TokenType.INTRODUCER, 226 "_GEOSTD8": TokenType.INTRODUCER, 227 "_GREEK": TokenType.INTRODUCER, 228 "_HEBREW": TokenType.INTRODUCER, 229 "_HP8": TokenType.INTRODUCER, 230 "_KEYBCS2": TokenType.INTRODUCER, 231 "_KOI8R": TokenType.INTRODUCER, 232 "_KOI8U": TokenType.INTRODUCER, 233 "_LATIN1": TokenType.INTRODUCER, 234 "_LATIN2": TokenType.INTRODUCER, 235 "_LATIN5": TokenType.INTRODUCER, 236 "_LATIN7": TokenType.INTRODUCER, 237 "_MACCE": TokenType.INTRODUCER, 238 "_MACROMAN": TokenType.INTRODUCER, 239 "_SJIS": TokenType.INTRODUCER, 240 "_SWE7": TokenType.INTRODUCER, 241 "_TIS620": TokenType.INTRODUCER, 242 "_UCS2": TokenType.INTRODUCER, 243 "_UJIS": TokenType.INTRODUCER, 244 # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html 245 "_UTF8": TokenType.INTRODUCER, 246 "_UTF16": TokenType.INTRODUCER, 247 "_UTF16LE": TokenType.INTRODUCER, 248 "_UTF32": TokenType.INTRODUCER, 249 "_UTF8MB3": TokenType.INTRODUCER, 250 "_UTF8MB4": TokenType.INTRODUCER, 251 "@@": TokenType.SESSION_PARAMETER, 252 } 253 254 COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW} 255 256 class Parser(parser.Parser): 257 FUNC_TOKENS = { 258 *parser.Parser.FUNC_TOKENS, 259 TokenType.DATABASE, 260 TokenType.SCHEMA, 261 TokenType.VALUES, 262 } 263 264 CONJUNCTION = { 265 **parser.Parser.CONJUNCTION, 266 TokenType.DAMP: exp.And, 267 TokenType.XOR: exp.Xor, 268 TokenType.DPIPE: exp.Or, 269 } 270 271 TABLE_ALIAS_TOKENS = ( 272 parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS 273 ) 274 275 RANGE_PARSERS = { 276 **parser.Parser.RANGE_PARSERS, 277 TokenType.MEMBER_OF: lambda self, this: self.expression( 278 exp.JSONArrayContains, 279 this=this, 280 expression=self._parse_wrapped(self._parse_expression), 281 ), 282 } 283 284 FUNCTIONS = { 285 **parser.Parser.FUNCTIONS, 286 "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)), 287 "DATE_ADD": build_date_delta_with_interval(exp.DateAdd), 288 "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"), 289 "DATE_SUB": build_date_delta_with_interval(exp.DateSub), 290 "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 291 "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 292 "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 293 "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 294 "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)), 295 "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"), 296 "ISNULL": isnull_to_is_null, 297 "LOCATE": locate_to_strposition, 298 "MAKETIME": exp.TimeFromParts.from_arg_list, 299 "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 300 "MONTHNAME": lambda args: exp.TimeToStr( 301 this=exp.TsOrDsToDate(this=seq_get(args, 0)), 302 format=exp.Literal.string("%B"), 303 ), 304 "STR_TO_DATE": _str_to_date, 305 "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff), 306 "TO_DAYS": lambda args: exp.paren( 307 exp.DateDiff( 308 this=exp.TsOrDsToDate(this=seq_get(args, 0)), 309 expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")), 310 unit=exp.var("DAY"), 311 ) 312 + 1 313 ), 314 "WEEK": lambda args: exp.Week( 315 this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1) 316 ), 317 "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 318 "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 319 } 320 321 FUNCTION_PARSERS = { 322 **parser.Parser.FUNCTION_PARSERS, 323 "CHAR": lambda self: self._parse_chr(), 324 "GROUP_CONCAT": lambda self: self._parse_group_concat(), 325 # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values 326 "VALUES": lambda self: self.expression( 327 exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()] 328 ), 329 } 330 331 STATEMENT_PARSERS = { 332 **parser.Parser.STATEMENT_PARSERS, 333 TokenType.SHOW: lambda self: self._parse_show(), 334 } 335 336 SHOW_PARSERS = { 337 "BINARY LOGS": _show_parser("BINARY LOGS"), 338 "MASTER LOGS": _show_parser("BINARY LOGS"), 339 "BINLOG EVENTS": _show_parser("BINLOG EVENTS"), 340 "CHARACTER SET": _show_parser("CHARACTER SET"), 341 "CHARSET": _show_parser("CHARACTER SET"), 342 "COLLATION": _show_parser("COLLATION"), 343 "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True), 344 "COLUMNS": _show_parser("COLUMNS", target="FROM"), 345 "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True), 346 "CREATE EVENT": _show_parser("CREATE EVENT", target=True), 347 "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True), 348 "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True), 349 "CREATE TABLE": _show_parser("CREATE TABLE", target=True), 350 "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True), 351 "CREATE VIEW": _show_parser("CREATE VIEW", target=True), 352 "DATABASES": _show_parser("DATABASES"), 353 "SCHEMAS": _show_parser("DATABASES"), 354 "ENGINE": _show_parser("ENGINE", target=True), 355 "STORAGE ENGINES": _show_parser("ENGINES"), 356 "ENGINES": _show_parser("ENGINES"), 357 "ERRORS": _show_parser("ERRORS"), 358 "EVENTS": _show_parser("EVENTS"), 359 "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True), 360 "FUNCTION STATUS": _show_parser("FUNCTION STATUS"), 361 "GRANTS": _show_parser("GRANTS", target="FOR"), 362 "INDEX": _show_parser("INDEX", target="FROM"), 363 "MASTER STATUS": _show_parser("MASTER STATUS"), 364 "OPEN TABLES": _show_parser("OPEN TABLES"), 365 "PLUGINS": _show_parser("PLUGINS"), 366 "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True), 367 "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"), 368 "PRIVILEGES": _show_parser("PRIVILEGES"), 369 "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True), 370 "PROCESSLIST": _show_parser("PROCESSLIST"), 371 "PROFILE": _show_parser("PROFILE"), 372 "PROFILES": _show_parser("PROFILES"), 373 "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"), 374 "REPLICAS": _show_parser("REPLICAS"), 375 "SLAVE HOSTS": _show_parser("REPLICAS"), 376 "REPLICA STATUS": _show_parser("REPLICA STATUS"), 377 "SLAVE STATUS": _show_parser("REPLICA STATUS"), 378 "GLOBAL STATUS": _show_parser("STATUS", global_=True), 379 "SESSION STATUS": _show_parser("STATUS"), 380 "STATUS": _show_parser("STATUS"), 381 "TABLE STATUS": _show_parser("TABLE STATUS"), 382 "FULL TABLES": _show_parser("TABLES", full=True), 383 "TABLES": _show_parser("TABLES"), 384 "TRIGGERS": _show_parser("TRIGGERS"), 385 "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True), 386 "SESSION VARIABLES": _show_parser("VARIABLES"), 387 "VARIABLES": _show_parser("VARIABLES"), 388 "WARNINGS": _show_parser("WARNINGS"), 389 } 390 391 PROPERTY_PARSERS = { 392 **parser.Parser.PROPERTY_PARSERS, 393 "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty), 394 } 395 396 SET_PARSERS = { 397 **parser.Parser.SET_PARSERS, 398 "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"), 399 "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"), 400 "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 401 "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 402 "NAMES": lambda self: self._parse_set_item_names(), 403 } 404 405 CONSTRAINT_PARSERS = { 406 **parser.Parser.CONSTRAINT_PARSERS, 407 "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"), 408 "INDEX": lambda self: self._parse_index_constraint(), 409 "KEY": lambda self: self._parse_index_constraint(), 410 "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"), 411 } 412 413 ALTER_PARSERS = { 414 **parser.Parser.ALTER_PARSERS, 415 "MODIFY": lambda self: self._parse_alter_table_alter(), 416 } 417 418 SCHEMA_UNNAMED_CONSTRAINTS = { 419 *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS, 420 "FULLTEXT", 421 "INDEX", 422 "KEY", 423 "SPATIAL", 424 } 425 426 PROFILE_TYPES: parser.OPTIONS_TYPE = { 427 **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()), 428 "BLOCK": ("IO",), 429 "CONTEXT": ("SWITCHES",), 430 "PAGE": ("FAULTS",), 431 } 432 433 TYPE_TOKENS = { 434 *parser.Parser.TYPE_TOKENS, 435 TokenType.SET, 436 } 437 438 ENUM_TYPE_TOKENS = { 439 *parser.Parser.ENUM_TYPE_TOKENS, 440 TokenType.SET, 441 } 442 443 LOG_DEFAULTS_TO_LN = True 444 STRING_ALIASES = True 445 VALUES_FOLLOWED_BY_PAREN = False 446 SUPPORTS_PARTITION_SELECTION = True 447 448 def _parse_primary_key_part(self) -> t.Optional[exp.Expression]: 449 this = self._parse_id_var() 450 if not self._match(TokenType.L_PAREN): 451 return this 452 453 expression = self._parse_number() 454 self._match_r_paren() 455 return self.expression(exp.ColumnPrefix, this=this, expression=expression) 456 457 def _parse_index_constraint( 458 self, kind: t.Optional[str] = None 459 ) -> exp.IndexColumnConstraint: 460 if kind: 461 self._match_texts(("INDEX", "KEY")) 462 463 this = self._parse_id_var(any_token=False) 464 index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text 465 expressions = self._parse_wrapped_csv(self._parse_ordered) 466 467 options = [] 468 while True: 469 if self._match_text_seq("KEY_BLOCK_SIZE"): 470 self._match(TokenType.EQ) 471 opt = exp.IndexConstraintOption(key_block_size=self._parse_number()) 472 elif self._match(TokenType.USING): 473 opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text) 474 elif self._match_text_seq("WITH", "PARSER"): 475 opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True)) 476 elif self._match(TokenType.COMMENT): 477 opt = exp.IndexConstraintOption(comment=self._parse_string()) 478 elif self._match_text_seq("VISIBLE"): 479 opt = exp.IndexConstraintOption(visible=True) 480 elif self._match_text_seq("INVISIBLE"): 481 opt = exp.IndexConstraintOption(visible=False) 482 elif self._match_text_seq("ENGINE_ATTRIBUTE"): 483 self._match(TokenType.EQ) 484 opt = exp.IndexConstraintOption(engine_attr=self._parse_string()) 485 elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"): 486 self._match(TokenType.EQ) 487 opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string()) 488 else: 489 opt = None 490 491 if not opt: 492 break 493 494 options.append(opt) 495 496 return self.expression( 497 exp.IndexColumnConstraint, 498 this=this, 499 expressions=expressions, 500 kind=kind, 501 index_type=index_type, 502 options=options, 503 ) 504 505 def _parse_show_mysql( 506 self, 507 this: str, 508 target: bool | str = False, 509 full: t.Optional[bool] = None, 510 global_: t.Optional[bool] = None, 511 ) -> exp.Show: 512 if target: 513 if isinstance(target, str): 514 self._match_text_seq(target) 515 target_id = self._parse_id_var() 516 else: 517 target_id = None 518 519 log = self._parse_string() if self._match_text_seq("IN") else None 520 521 if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"): 522 position = self._parse_number() if self._match_text_seq("FROM") else None 523 db = None 524 else: 525 position = None 526 db = None 527 528 if self._match(TokenType.FROM): 529 db = self._parse_id_var() 530 elif self._match(TokenType.DOT): 531 db = target_id 532 target_id = self._parse_id_var() 533 534 channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None 535 536 like = self._parse_string() if self._match_text_seq("LIKE") else None 537 where = self._parse_where() 538 539 if this == "PROFILE": 540 types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES)) 541 query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None 542 offset = self._parse_number() if self._match_text_seq("OFFSET") else None 543 limit = self._parse_number() if self._match_text_seq("LIMIT") else None 544 else: 545 types, query = None, None 546 offset, limit = self._parse_oldstyle_limit() 547 548 mutex = True if self._match_text_seq("MUTEX") else None 549 mutex = False if self._match_text_seq("STATUS") else mutex 550 551 return self.expression( 552 exp.Show, 553 this=this, 554 target=target_id, 555 full=full, 556 log=log, 557 position=position, 558 db=db, 559 channel=channel, 560 like=like, 561 where=where, 562 types=types, 563 query=query, 564 offset=offset, 565 limit=limit, 566 mutex=mutex, 567 **{"global": global_}, # type: ignore 568 ) 569 570 def _parse_oldstyle_limit( 571 self, 572 ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]: 573 limit = None 574 offset = None 575 if self._match_text_seq("LIMIT"): 576 parts = self._parse_csv(self._parse_number) 577 if len(parts) == 1: 578 limit = parts[0] 579 elif len(parts) == 2: 580 limit = parts[1] 581 offset = parts[0] 582 583 return offset, limit 584 585 def _parse_set_item_charset(self, kind: str) -> exp.Expression: 586 this = self._parse_string() or self._parse_id_var() 587 return self.expression(exp.SetItem, this=this, kind=kind) 588 589 def _parse_set_item_names(self) -> exp.Expression: 590 charset = self._parse_string() or self._parse_id_var() 591 if self._match_text_seq("COLLATE"): 592 collate = self._parse_string() or self._parse_id_var() 593 else: 594 collate = None 595 596 return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES") 597 598 def _parse_type(self, parse_interval: bool = True) -> t.Optional[exp.Expression]: 599 # mysql binary is special and can work anywhere, even in order by operations 600 # it operates like a no paren func 601 if self._match(TokenType.BINARY, advance=False): 602 data_type = self._parse_types(check_func=True, allow_identifiers=False) 603 604 if isinstance(data_type, exp.DataType): 605 return self.expression(exp.Cast, this=self._parse_column(), to=data_type) 606 607 return super()._parse_type(parse_interval=parse_interval) 608 609 def _parse_chr(self) -> t.Optional[exp.Expression]: 610 expressions = self._parse_csv(self._parse_conjunction) 611 kwargs: t.Dict[str, t.Any] = {"this": seq_get(expressions, 0)} 612 613 if len(expressions) > 1: 614 kwargs["expressions"] = expressions[1:] 615 616 if self._match(TokenType.USING): 617 kwargs["charset"] = self._parse_var() 618 619 return self.expression(exp.Chr, **kwargs) 620 621 def _parse_group_concat(self) -> t.Optional[exp.Expression]: 622 def concat_exprs( 623 node: t.Optional[exp.Expression], exprs: t.List[exp.Expression] 624 ) -> exp.Expression: 625 if isinstance(node, exp.Distinct) and len(node.expressions) > 1: 626 concat_exprs = [ 627 self.expression(exp.Concat, expressions=node.expressions, safe=True) 628 ] 629 node.set("expressions", concat_exprs) 630 return node 631 if len(exprs) == 1: 632 return exprs[0] 633 return self.expression(exp.Concat, expressions=args, safe=True) 634 635 args = self._parse_csv(self._parse_lambda) 636 637 if args: 638 order = args[-1] if isinstance(args[-1], exp.Order) else None 639 640 if order: 641 # Order By is the last (or only) expression in the list and has consumed the 'expr' before it, 642 # remove 'expr' from exp.Order and add it back to args 643 args[-1] = order.this 644 order.set("this", concat_exprs(order.this, args)) 645 646 this = order or concat_exprs(args[0], args) 647 else: 648 this = None 649 650 separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None 651 652 return self.expression(exp.GroupConcat, this=this, separator=separator) 653 654 class Generator(generator.Generator): 655 LOCKING_READS_SUPPORTED = True 656 NULL_ORDERING_SUPPORTED = None 657 JOIN_HINTS = False 658 TABLE_HINTS = True 659 DUPLICATE_KEY_UPDATE_WITH_SET = False 660 QUERY_HINT_SEP = " " 661 VALUES_AS_TABLE = False 662 NVL2_SUPPORTED = False 663 LAST_DAY_SUPPORTS_DATE_PART = False 664 JSON_TYPE_REQUIRED_FOR_EXTRACTION = True 665 JSON_PATH_BRACKETED_KEY_SUPPORTED = False 666 JSON_KEY_VALUE_PAIR_SEP = "," 667 SUPPORTS_TO_NUMBER = False 668 669 TRANSFORMS = { 670 **generator.Generator.TRANSFORMS, 671 exp.ArrayAgg: rename_func("GROUP_CONCAT"), 672 exp.CurrentDate: no_paren_current_date_sql, 673 exp.DateDiff: _remove_ts_or_ds_to_date( 674 lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression") 675 ), 676 exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")), 677 exp.DateStrToDate: datestrtodate_sql, 678 exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")), 679 exp.DateTrunc: _date_trunc_sql, 680 exp.Day: _remove_ts_or_ds_to_date(), 681 exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")), 682 exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")), 683 exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")), 684 exp.GroupConcat: lambda self, 685 e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""", 686 exp.ILike: no_ilike_sql, 687 exp.JSONExtractScalar: arrow_json_extract_sql, 688 exp.Max: max_or_greatest, 689 exp.Min: min_or_least, 690 exp.Month: _remove_ts_or_ds_to_date(), 691 exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"), 692 exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}", 693 exp.ParseJSON: lambda self, e: self.sql(e, "this"), 694 exp.Pivot: no_pivot_sql, 695 exp.Select: transforms.preprocess( 696 [ 697 transforms.eliminate_distinct_on, 698 transforms.eliminate_semi_and_anti_joins, 699 transforms.eliminate_qualify, 700 transforms.eliminate_full_outer_join, 701 ] 702 ), 703 exp.StrPosition: strposition_to_locate_sql, 704 exp.StrToDate: _str_to_date_sql, 705 exp.StrToTime: _str_to_date_sql, 706 exp.Stuff: rename_func("INSERT"), 707 exp.TableSample: no_tablesample_sql, 708 exp.TimeFromParts: rename_func("MAKETIME"), 709 exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"), 710 exp.TimestampDiff: lambda self, e: self.func( 711 "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this 712 ), 713 exp.TimestampSub: date_add_interval_sql("DATE", "SUB"), 714 exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"), 715 exp.TimeStrToTime: lambda self, e: self.sql( 716 exp.cast(e.this, exp.DataType.Type.DATETIME, copy=True) 717 ), 718 exp.TimeToStr: _remove_ts_or_ds_to_date( 719 lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e)) 720 ), 721 exp.Trim: _trim_sql, 722 exp.TryCast: no_trycast_sql, 723 exp.TsOrDsAdd: date_add_sql("ADD"), 724 exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression), 725 exp.TsOrDsToDate: _ts_or_ds_to_date_sql, 726 exp.UnixToTime: lambda self, e: self.func("FROM_UNIXTIME", e.this, self.format_time(e)), 727 exp.Week: _remove_ts_or_ds_to_date(), 728 exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")), 729 exp.Year: _remove_ts_or_ds_to_date(), 730 } 731 732 UNSIGNED_TYPE_MAPPING = { 733 exp.DataType.Type.UBIGINT: "BIGINT", 734 exp.DataType.Type.UINT: "INT", 735 exp.DataType.Type.UMEDIUMINT: "MEDIUMINT", 736 exp.DataType.Type.USMALLINT: "SMALLINT", 737 exp.DataType.Type.UTINYINT: "TINYINT", 738 exp.DataType.Type.UDECIMAL: "DECIMAL", 739 } 740 741 TIMESTAMP_TYPE_MAPPING = { 742 exp.DataType.Type.TIMESTAMP: "DATETIME", 743 exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP", 744 exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP", 745 } 746 747 TYPE_MAPPING = { 748 **generator.Generator.TYPE_MAPPING, 749 **UNSIGNED_TYPE_MAPPING, 750 **TIMESTAMP_TYPE_MAPPING, 751 } 752 753 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT) 754 TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT) 755 TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT) 756 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB) 757 TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB) 758 TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB) 759 760 PROPERTIES_LOCATION = { 761 **generator.Generator.PROPERTIES_LOCATION, 762 exp.TransientProperty: exp.Properties.Location.UNSUPPORTED, 763 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, 764 } 765 766 LIMIT_FETCH = "LIMIT" 767 768 LIMIT_ONLY_LITERALS = True 769 770 CHAR_CAST_MAPPING = dict.fromkeys( 771 ( 772 exp.DataType.Type.LONGTEXT, 773 exp.DataType.Type.LONGBLOB, 774 exp.DataType.Type.MEDIUMBLOB, 775 exp.DataType.Type.MEDIUMTEXT, 776 exp.DataType.Type.TEXT, 777 exp.DataType.Type.TINYBLOB, 778 exp.DataType.Type.TINYTEXT, 779 exp.DataType.Type.VARCHAR, 780 ), 781 "CHAR", 782 ) 783 SIGNED_CAST_MAPPING = dict.fromkeys( 784 ( 785 exp.DataType.Type.BIGINT, 786 exp.DataType.Type.BOOLEAN, 787 exp.DataType.Type.INT, 788 exp.DataType.Type.SMALLINT, 789 exp.DataType.Type.TINYINT, 790 exp.DataType.Type.MEDIUMINT, 791 ), 792 "SIGNED", 793 ) 794 795 # MySQL doesn't support many datatypes in cast. 796 # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast 797 CAST_MAPPING = { 798 **CHAR_CAST_MAPPING, 799 **SIGNED_CAST_MAPPING, 800 exp.DataType.Type.UBIGINT: "UNSIGNED", 801 } 802 803 TIMESTAMP_FUNC_TYPES = { 804 exp.DataType.Type.TIMESTAMPTZ, 805 exp.DataType.Type.TIMESTAMPLTZ, 806 } 807 808 def extract_sql(self, expression: exp.Extract) -> str: 809 unit = expression.name 810 if unit and unit.lower() == "epoch": 811 return self.func("UNIX_TIMESTAMP", expression.expression) 812 813 return super().extract_sql(expression) 814 815 def datatype_sql(self, expression: exp.DataType) -> str: 816 # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html 817 result = super().datatype_sql(expression) 818 if expression.this in self.UNSIGNED_TYPE_MAPPING: 819 result = f"{result} UNSIGNED" 820 return result 821 822 def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str: 823 return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})" 824 825 def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str: 826 if expression.to.this in self.TIMESTAMP_FUNC_TYPES: 827 return self.func("TIMESTAMP", expression.this) 828 829 to = self.CAST_MAPPING.get(expression.to.this) 830 831 if to: 832 expression.to.set("this", to) 833 return super().cast_sql(expression) 834 835 def show_sql(self, expression: exp.Show) -> str: 836 this = f" {expression.name}" 837 full = " FULL" if expression.args.get("full") else "" 838 global_ = " GLOBAL" if expression.args.get("global") else "" 839 840 target = self.sql(expression, "target") 841 target = f" {target}" if target else "" 842 if expression.name in ("COLUMNS", "INDEX"): 843 target = f" FROM{target}" 844 elif expression.name == "GRANTS": 845 target = f" FOR{target}" 846 847 db = self._prefixed_sql("FROM", expression, "db") 848 849 like = self._prefixed_sql("LIKE", expression, "like") 850 where = self.sql(expression, "where") 851 852 types = self.expressions(expression, key="types") 853 types = f" {types}" if types else types 854 query = self._prefixed_sql("FOR QUERY", expression, "query") 855 856 if expression.name == "PROFILE": 857 offset = self._prefixed_sql("OFFSET", expression, "offset") 858 limit = self._prefixed_sql("LIMIT", expression, "limit") 859 else: 860 offset = "" 861 limit = self._oldstyle_limit_sql(expression) 862 863 log = self._prefixed_sql("IN", expression, "log") 864 position = self._prefixed_sql("FROM", expression, "position") 865 866 channel = self._prefixed_sql("FOR CHANNEL", expression, "channel") 867 868 if expression.name == "ENGINE": 869 mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS" 870 else: 871 mutex_or_status = "" 872 873 return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}" 874 875 def altercolumn_sql(self, expression: exp.AlterColumn) -> str: 876 dtype = self.sql(expression, "dtype") 877 if not dtype: 878 return super().altercolumn_sql(expression) 879 880 this = self.sql(expression, "this") 881 return f"MODIFY COLUMN {this} {dtype}" 882 883 def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str: 884 sql = self.sql(expression, arg) 885 return f" {prefix} {sql}" if sql else "" 886 887 def _oldstyle_limit_sql(self, expression: exp.Show) -> str: 888 limit = self.sql(expression, "limit") 889 offset = self.sql(expression, "offset") 890 if limit: 891 limit_offset = f"{offset}, {limit}" if offset else limit 892 return f" LIMIT {limit_offset}" 893 return "" 894 895 def chr_sql(self, expression: exp.Chr) -> str: 896 this = self.expressions(sqls=[expression.this] + expression.expressions) 897 charset = expression.args.get("charset") 898 using = f" USING {self.sql(charset)}" if charset else "" 899 return f"CHAR({this}{using})" 900 901 def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str: 902 unit = expression.args.get("unit") 903 904 # Pick an old-enough date to avoid negative timestamp diffs 905 start_ts = "'0000-01-01 00:00:00'" 906 907 # Source: https://stackoverflow.com/a/32955740 908 timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this]) 909 interval = exp.Interval(this=timestamp_diff, unit=unit) 910 dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval]) 911 912 return self.sql(dateadd)
TIME_SPECIFIERS =
{'p', 'f', 'S', 'l', 'k', 'I', 'r', 's', 'T', 'h', 'i', 'H'}
def
date_add_sql( kind: str) -> Callable[[sqlglot.generator.Generator, sqlglot.expressions.Expression], str]:
114def date_add_sql( 115 kind: str, 116) -> t.Callable[[generator.Generator, exp.Expression], str]: 117 def func(self: generator.Generator, expression: exp.Expression) -> str: 118 return self.func( 119 f"DATE_{kind}", 120 expression.this, 121 exp.Interval(this=expression.expression, unit=unit_to_var(expression)), 122 ) 123 124 return func
147class MySQL(Dialect): 148 # https://dev.mysql.com/doc/refman/8.0/en/identifiers.html 149 IDENTIFIERS_CAN_START_WITH_DIGIT = True 150 151 # We default to treating all identifiers as case-sensitive, since it matches MySQL's 152 # behavior on Linux systems. For MacOS and Windows systems, one can override this 153 # setting by specifying `dialect="mysql, normalization_strategy = lowercase"`. 154 # 155 # See also https://dev.mysql.com/doc/refman/8.2/en/identifier-case-sensitivity.html 156 NORMALIZATION_STRATEGY = NormalizationStrategy.CASE_SENSITIVE 157 158 TIME_FORMAT = "'%Y-%m-%d %T'" 159 DPIPE_IS_STRING_CONCAT = False 160 SUPPORTS_USER_DEFINED_TYPES = False 161 SUPPORTS_SEMI_ANTI_JOIN = False 162 SAFE_DIVISION = True 163 164 # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions 165 TIME_MAPPING = { 166 "%M": "%B", 167 "%c": "%-m", 168 "%e": "%-d", 169 "%h": "%I", 170 "%i": "%M", 171 "%s": "%S", 172 "%u": "%W", 173 "%k": "%-H", 174 "%l": "%-I", 175 "%T": "%H:%M:%S", 176 "%W": "%a", 177 } 178 179 class Tokenizer(tokens.Tokenizer): 180 QUOTES = ["'", '"'] 181 COMMENTS = ["--", "#", ("/*", "*/")] 182 IDENTIFIERS = ["`"] 183 STRING_ESCAPES = ["'", '"', "\\"] 184 BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")] 185 HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")] 186 187 KEYWORDS = { 188 **tokens.Tokenizer.KEYWORDS, 189 "CHARSET": TokenType.CHARACTER_SET, 190 "FORCE": TokenType.FORCE, 191 "IGNORE": TokenType.IGNORE, 192 "LOCK TABLES": TokenType.COMMAND, 193 "LONGBLOB": TokenType.LONGBLOB, 194 "LONGTEXT": TokenType.LONGTEXT, 195 "MEDIUMBLOB": TokenType.MEDIUMBLOB, 196 "TINYBLOB": TokenType.TINYBLOB, 197 "TINYTEXT": TokenType.TINYTEXT, 198 "MEDIUMTEXT": TokenType.MEDIUMTEXT, 199 "MEDIUMINT": TokenType.MEDIUMINT, 200 "MEMBER OF": TokenType.MEMBER_OF, 201 "SEPARATOR": TokenType.SEPARATOR, 202 "START": TokenType.BEGIN, 203 "SIGNED": TokenType.BIGINT, 204 "SIGNED INTEGER": TokenType.BIGINT, 205 "UNLOCK TABLES": TokenType.COMMAND, 206 "UNSIGNED": TokenType.UBIGINT, 207 "UNSIGNED INTEGER": TokenType.UBIGINT, 208 "YEAR": TokenType.YEAR, 209 "_ARMSCII8": TokenType.INTRODUCER, 210 "_ASCII": TokenType.INTRODUCER, 211 "_BIG5": TokenType.INTRODUCER, 212 "_BINARY": TokenType.INTRODUCER, 213 "_CP1250": TokenType.INTRODUCER, 214 "_CP1251": TokenType.INTRODUCER, 215 "_CP1256": TokenType.INTRODUCER, 216 "_CP1257": TokenType.INTRODUCER, 217 "_CP850": TokenType.INTRODUCER, 218 "_CP852": TokenType.INTRODUCER, 219 "_CP866": TokenType.INTRODUCER, 220 "_CP932": TokenType.INTRODUCER, 221 "_DEC8": TokenType.INTRODUCER, 222 "_EUCJPMS": TokenType.INTRODUCER, 223 "_EUCKR": TokenType.INTRODUCER, 224 "_GB18030": TokenType.INTRODUCER, 225 "_GB2312": TokenType.INTRODUCER, 226 "_GBK": TokenType.INTRODUCER, 227 "_GEOSTD8": TokenType.INTRODUCER, 228 "_GREEK": TokenType.INTRODUCER, 229 "_HEBREW": TokenType.INTRODUCER, 230 "_HP8": TokenType.INTRODUCER, 231 "_KEYBCS2": TokenType.INTRODUCER, 232 "_KOI8R": TokenType.INTRODUCER, 233 "_KOI8U": TokenType.INTRODUCER, 234 "_LATIN1": TokenType.INTRODUCER, 235 "_LATIN2": TokenType.INTRODUCER, 236 "_LATIN5": TokenType.INTRODUCER, 237 "_LATIN7": TokenType.INTRODUCER, 238 "_MACCE": TokenType.INTRODUCER, 239 "_MACROMAN": TokenType.INTRODUCER, 240 "_SJIS": TokenType.INTRODUCER, 241 "_SWE7": TokenType.INTRODUCER, 242 "_TIS620": TokenType.INTRODUCER, 243 "_UCS2": TokenType.INTRODUCER, 244 "_UJIS": TokenType.INTRODUCER, 245 # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html 246 "_UTF8": TokenType.INTRODUCER, 247 "_UTF16": TokenType.INTRODUCER, 248 "_UTF16LE": TokenType.INTRODUCER, 249 "_UTF32": TokenType.INTRODUCER, 250 "_UTF8MB3": TokenType.INTRODUCER, 251 "_UTF8MB4": TokenType.INTRODUCER, 252 "@@": TokenType.SESSION_PARAMETER, 253 } 254 255 COMMANDS = {*tokens.Tokenizer.COMMANDS, TokenType.REPLACE} - {TokenType.SHOW} 256 257 class Parser(parser.Parser): 258 FUNC_TOKENS = { 259 *parser.Parser.FUNC_TOKENS, 260 TokenType.DATABASE, 261 TokenType.SCHEMA, 262 TokenType.VALUES, 263 } 264 265 CONJUNCTION = { 266 **parser.Parser.CONJUNCTION, 267 TokenType.DAMP: exp.And, 268 TokenType.XOR: exp.Xor, 269 TokenType.DPIPE: exp.Or, 270 } 271 272 TABLE_ALIAS_TOKENS = ( 273 parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS 274 ) 275 276 RANGE_PARSERS = { 277 **parser.Parser.RANGE_PARSERS, 278 TokenType.MEMBER_OF: lambda self, this: self.expression( 279 exp.JSONArrayContains, 280 this=this, 281 expression=self._parse_wrapped(self._parse_expression), 282 ), 283 } 284 285 FUNCTIONS = { 286 **parser.Parser.FUNCTIONS, 287 "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)), 288 "DATE_ADD": build_date_delta_with_interval(exp.DateAdd), 289 "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"), 290 "DATE_SUB": build_date_delta_with_interval(exp.DateSub), 291 "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 292 "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 293 "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 294 "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 295 "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)), 296 "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"), 297 "ISNULL": isnull_to_is_null, 298 "LOCATE": locate_to_strposition, 299 "MAKETIME": exp.TimeFromParts.from_arg_list, 300 "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 301 "MONTHNAME": lambda args: exp.TimeToStr( 302 this=exp.TsOrDsToDate(this=seq_get(args, 0)), 303 format=exp.Literal.string("%B"), 304 ), 305 "STR_TO_DATE": _str_to_date, 306 "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff), 307 "TO_DAYS": lambda args: exp.paren( 308 exp.DateDiff( 309 this=exp.TsOrDsToDate(this=seq_get(args, 0)), 310 expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")), 311 unit=exp.var("DAY"), 312 ) 313 + 1 314 ), 315 "WEEK": lambda args: exp.Week( 316 this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1) 317 ), 318 "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 319 "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 320 } 321 322 FUNCTION_PARSERS = { 323 **parser.Parser.FUNCTION_PARSERS, 324 "CHAR": lambda self: self._parse_chr(), 325 "GROUP_CONCAT": lambda self: self._parse_group_concat(), 326 # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values 327 "VALUES": lambda self: self.expression( 328 exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()] 329 ), 330 } 331 332 STATEMENT_PARSERS = { 333 **parser.Parser.STATEMENT_PARSERS, 334 TokenType.SHOW: lambda self: self._parse_show(), 335 } 336 337 SHOW_PARSERS = { 338 "BINARY LOGS": _show_parser("BINARY LOGS"), 339 "MASTER LOGS": _show_parser("BINARY LOGS"), 340 "BINLOG EVENTS": _show_parser("BINLOG EVENTS"), 341 "CHARACTER SET": _show_parser("CHARACTER SET"), 342 "CHARSET": _show_parser("CHARACTER SET"), 343 "COLLATION": _show_parser("COLLATION"), 344 "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True), 345 "COLUMNS": _show_parser("COLUMNS", target="FROM"), 346 "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True), 347 "CREATE EVENT": _show_parser("CREATE EVENT", target=True), 348 "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True), 349 "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True), 350 "CREATE TABLE": _show_parser("CREATE TABLE", target=True), 351 "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True), 352 "CREATE VIEW": _show_parser("CREATE VIEW", target=True), 353 "DATABASES": _show_parser("DATABASES"), 354 "SCHEMAS": _show_parser("DATABASES"), 355 "ENGINE": _show_parser("ENGINE", target=True), 356 "STORAGE ENGINES": _show_parser("ENGINES"), 357 "ENGINES": _show_parser("ENGINES"), 358 "ERRORS": _show_parser("ERRORS"), 359 "EVENTS": _show_parser("EVENTS"), 360 "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True), 361 "FUNCTION STATUS": _show_parser("FUNCTION STATUS"), 362 "GRANTS": _show_parser("GRANTS", target="FOR"), 363 "INDEX": _show_parser("INDEX", target="FROM"), 364 "MASTER STATUS": _show_parser("MASTER STATUS"), 365 "OPEN TABLES": _show_parser("OPEN TABLES"), 366 "PLUGINS": _show_parser("PLUGINS"), 367 "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True), 368 "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"), 369 "PRIVILEGES": _show_parser("PRIVILEGES"), 370 "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True), 371 "PROCESSLIST": _show_parser("PROCESSLIST"), 372 "PROFILE": _show_parser("PROFILE"), 373 "PROFILES": _show_parser("PROFILES"), 374 "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"), 375 "REPLICAS": _show_parser("REPLICAS"), 376 "SLAVE HOSTS": _show_parser("REPLICAS"), 377 "REPLICA STATUS": _show_parser("REPLICA STATUS"), 378 "SLAVE STATUS": _show_parser("REPLICA STATUS"), 379 "GLOBAL STATUS": _show_parser("STATUS", global_=True), 380 "SESSION STATUS": _show_parser("STATUS"), 381 "STATUS": _show_parser("STATUS"), 382 "TABLE STATUS": _show_parser("TABLE STATUS"), 383 "FULL TABLES": _show_parser("TABLES", full=True), 384 "TABLES": _show_parser("TABLES"), 385 "TRIGGERS": _show_parser("TRIGGERS"), 386 "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True), 387 "SESSION VARIABLES": _show_parser("VARIABLES"), 388 "VARIABLES": _show_parser("VARIABLES"), 389 "WARNINGS": _show_parser("WARNINGS"), 390 } 391 392 PROPERTY_PARSERS = { 393 **parser.Parser.PROPERTY_PARSERS, 394 "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty), 395 } 396 397 SET_PARSERS = { 398 **parser.Parser.SET_PARSERS, 399 "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"), 400 "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"), 401 "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 402 "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 403 "NAMES": lambda self: self._parse_set_item_names(), 404 } 405 406 CONSTRAINT_PARSERS = { 407 **parser.Parser.CONSTRAINT_PARSERS, 408 "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"), 409 "INDEX": lambda self: self._parse_index_constraint(), 410 "KEY": lambda self: self._parse_index_constraint(), 411 "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"), 412 } 413 414 ALTER_PARSERS = { 415 **parser.Parser.ALTER_PARSERS, 416 "MODIFY": lambda self: self._parse_alter_table_alter(), 417 } 418 419 SCHEMA_UNNAMED_CONSTRAINTS = { 420 *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS, 421 "FULLTEXT", 422 "INDEX", 423 "KEY", 424 "SPATIAL", 425 } 426 427 PROFILE_TYPES: parser.OPTIONS_TYPE = { 428 **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()), 429 "BLOCK": ("IO",), 430 "CONTEXT": ("SWITCHES",), 431 "PAGE": ("FAULTS",), 432 } 433 434 TYPE_TOKENS = { 435 *parser.Parser.TYPE_TOKENS, 436 TokenType.SET, 437 } 438 439 ENUM_TYPE_TOKENS = { 440 *parser.Parser.ENUM_TYPE_TOKENS, 441 TokenType.SET, 442 } 443 444 LOG_DEFAULTS_TO_LN = True 445 STRING_ALIASES = True 446 VALUES_FOLLOWED_BY_PAREN = False 447 SUPPORTS_PARTITION_SELECTION = True 448 449 def _parse_primary_key_part(self) -> t.Optional[exp.Expression]: 450 this = self._parse_id_var() 451 if not self._match(TokenType.L_PAREN): 452 return this 453 454 expression = self._parse_number() 455 self._match_r_paren() 456 return self.expression(exp.ColumnPrefix, this=this, expression=expression) 457 458 def _parse_index_constraint( 459 self, kind: t.Optional[str] = None 460 ) -> exp.IndexColumnConstraint: 461 if kind: 462 self._match_texts(("INDEX", "KEY")) 463 464 this = self._parse_id_var(any_token=False) 465 index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text 466 expressions = self._parse_wrapped_csv(self._parse_ordered) 467 468 options = [] 469 while True: 470 if self._match_text_seq("KEY_BLOCK_SIZE"): 471 self._match(TokenType.EQ) 472 opt = exp.IndexConstraintOption(key_block_size=self._parse_number()) 473 elif self._match(TokenType.USING): 474 opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text) 475 elif self._match_text_seq("WITH", "PARSER"): 476 opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True)) 477 elif self._match(TokenType.COMMENT): 478 opt = exp.IndexConstraintOption(comment=self._parse_string()) 479 elif self._match_text_seq("VISIBLE"): 480 opt = exp.IndexConstraintOption(visible=True) 481 elif self._match_text_seq("INVISIBLE"): 482 opt = exp.IndexConstraintOption(visible=False) 483 elif self._match_text_seq("ENGINE_ATTRIBUTE"): 484 self._match(TokenType.EQ) 485 opt = exp.IndexConstraintOption(engine_attr=self._parse_string()) 486 elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"): 487 self._match(TokenType.EQ) 488 opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string()) 489 else: 490 opt = None 491 492 if not opt: 493 break 494 495 options.append(opt) 496 497 return self.expression( 498 exp.IndexColumnConstraint, 499 this=this, 500 expressions=expressions, 501 kind=kind, 502 index_type=index_type, 503 options=options, 504 ) 505 506 def _parse_show_mysql( 507 self, 508 this: str, 509 target: bool | str = False, 510 full: t.Optional[bool] = None, 511 global_: t.Optional[bool] = None, 512 ) -> exp.Show: 513 if target: 514 if isinstance(target, str): 515 self._match_text_seq(target) 516 target_id = self._parse_id_var() 517 else: 518 target_id = None 519 520 log = self._parse_string() if self._match_text_seq("IN") else None 521 522 if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"): 523 position = self._parse_number() if self._match_text_seq("FROM") else None 524 db = None 525 else: 526 position = None 527 db = None 528 529 if self._match(TokenType.FROM): 530 db = self._parse_id_var() 531 elif self._match(TokenType.DOT): 532 db = target_id 533 target_id = self._parse_id_var() 534 535 channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None 536 537 like = self._parse_string() if self._match_text_seq("LIKE") else None 538 where = self._parse_where() 539 540 if this == "PROFILE": 541 types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES)) 542 query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None 543 offset = self._parse_number() if self._match_text_seq("OFFSET") else None 544 limit = self._parse_number() if self._match_text_seq("LIMIT") else None 545 else: 546 types, query = None, None 547 offset, limit = self._parse_oldstyle_limit() 548 549 mutex = True if self._match_text_seq("MUTEX") else None 550 mutex = False if self._match_text_seq("STATUS") else mutex 551 552 return self.expression( 553 exp.Show, 554 this=this, 555 target=target_id, 556 full=full, 557 log=log, 558 position=position, 559 db=db, 560 channel=channel, 561 like=like, 562 where=where, 563 types=types, 564 query=query, 565 offset=offset, 566 limit=limit, 567 mutex=mutex, 568 **{"global": global_}, # type: ignore 569 ) 570 571 def _parse_oldstyle_limit( 572 self, 573 ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]: 574 limit = None 575 offset = None 576 if self._match_text_seq("LIMIT"): 577 parts = self._parse_csv(self._parse_number) 578 if len(parts) == 1: 579 limit = parts[0] 580 elif len(parts) == 2: 581 limit = parts[1] 582 offset = parts[0] 583 584 return offset, limit 585 586 def _parse_set_item_charset(self, kind: str) -> exp.Expression: 587 this = self._parse_string() or self._parse_id_var() 588 return self.expression(exp.SetItem, this=this, kind=kind) 589 590 def _parse_set_item_names(self) -> exp.Expression: 591 charset = self._parse_string() or self._parse_id_var() 592 if self._match_text_seq("COLLATE"): 593 collate = self._parse_string() or self._parse_id_var() 594 else: 595 collate = None 596 597 return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES") 598 599 def _parse_type(self, parse_interval: bool = True) -> t.Optional[exp.Expression]: 600 # mysql binary is special and can work anywhere, even in order by operations 601 # it operates like a no paren func 602 if self._match(TokenType.BINARY, advance=False): 603 data_type = self._parse_types(check_func=True, allow_identifiers=False) 604 605 if isinstance(data_type, exp.DataType): 606 return self.expression(exp.Cast, this=self._parse_column(), to=data_type) 607 608 return super()._parse_type(parse_interval=parse_interval) 609 610 def _parse_chr(self) -> t.Optional[exp.Expression]: 611 expressions = self._parse_csv(self._parse_conjunction) 612 kwargs: t.Dict[str, t.Any] = {"this": seq_get(expressions, 0)} 613 614 if len(expressions) > 1: 615 kwargs["expressions"] = expressions[1:] 616 617 if self._match(TokenType.USING): 618 kwargs["charset"] = self._parse_var() 619 620 return self.expression(exp.Chr, **kwargs) 621 622 def _parse_group_concat(self) -> t.Optional[exp.Expression]: 623 def concat_exprs( 624 node: t.Optional[exp.Expression], exprs: t.List[exp.Expression] 625 ) -> exp.Expression: 626 if isinstance(node, exp.Distinct) and len(node.expressions) > 1: 627 concat_exprs = [ 628 self.expression(exp.Concat, expressions=node.expressions, safe=True) 629 ] 630 node.set("expressions", concat_exprs) 631 return node 632 if len(exprs) == 1: 633 return exprs[0] 634 return self.expression(exp.Concat, expressions=args, safe=True) 635 636 args = self._parse_csv(self._parse_lambda) 637 638 if args: 639 order = args[-1] if isinstance(args[-1], exp.Order) else None 640 641 if order: 642 # Order By is the last (or only) expression in the list and has consumed the 'expr' before it, 643 # remove 'expr' from exp.Order and add it back to args 644 args[-1] = order.this 645 order.set("this", concat_exprs(order.this, args)) 646 647 this = order or concat_exprs(args[0], args) 648 else: 649 this = None 650 651 separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None 652 653 return self.expression(exp.GroupConcat, this=this, separator=separator) 654 655 class Generator(generator.Generator): 656 LOCKING_READS_SUPPORTED = True 657 NULL_ORDERING_SUPPORTED = None 658 JOIN_HINTS = False 659 TABLE_HINTS = True 660 DUPLICATE_KEY_UPDATE_WITH_SET = False 661 QUERY_HINT_SEP = " " 662 VALUES_AS_TABLE = False 663 NVL2_SUPPORTED = False 664 LAST_DAY_SUPPORTS_DATE_PART = False 665 JSON_TYPE_REQUIRED_FOR_EXTRACTION = True 666 JSON_PATH_BRACKETED_KEY_SUPPORTED = False 667 JSON_KEY_VALUE_PAIR_SEP = "," 668 SUPPORTS_TO_NUMBER = False 669 670 TRANSFORMS = { 671 **generator.Generator.TRANSFORMS, 672 exp.ArrayAgg: rename_func("GROUP_CONCAT"), 673 exp.CurrentDate: no_paren_current_date_sql, 674 exp.DateDiff: _remove_ts_or_ds_to_date( 675 lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression") 676 ), 677 exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")), 678 exp.DateStrToDate: datestrtodate_sql, 679 exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")), 680 exp.DateTrunc: _date_trunc_sql, 681 exp.Day: _remove_ts_or_ds_to_date(), 682 exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")), 683 exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")), 684 exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")), 685 exp.GroupConcat: lambda self, 686 e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""", 687 exp.ILike: no_ilike_sql, 688 exp.JSONExtractScalar: arrow_json_extract_sql, 689 exp.Max: max_or_greatest, 690 exp.Min: min_or_least, 691 exp.Month: _remove_ts_or_ds_to_date(), 692 exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"), 693 exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}", 694 exp.ParseJSON: lambda self, e: self.sql(e, "this"), 695 exp.Pivot: no_pivot_sql, 696 exp.Select: transforms.preprocess( 697 [ 698 transforms.eliminate_distinct_on, 699 transforms.eliminate_semi_and_anti_joins, 700 transforms.eliminate_qualify, 701 transforms.eliminate_full_outer_join, 702 ] 703 ), 704 exp.StrPosition: strposition_to_locate_sql, 705 exp.StrToDate: _str_to_date_sql, 706 exp.StrToTime: _str_to_date_sql, 707 exp.Stuff: rename_func("INSERT"), 708 exp.TableSample: no_tablesample_sql, 709 exp.TimeFromParts: rename_func("MAKETIME"), 710 exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"), 711 exp.TimestampDiff: lambda self, e: self.func( 712 "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this 713 ), 714 exp.TimestampSub: date_add_interval_sql("DATE", "SUB"), 715 exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"), 716 exp.TimeStrToTime: lambda self, e: self.sql( 717 exp.cast(e.this, exp.DataType.Type.DATETIME, copy=True) 718 ), 719 exp.TimeToStr: _remove_ts_or_ds_to_date( 720 lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e)) 721 ), 722 exp.Trim: _trim_sql, 723 exp.TryCast: no_trycast_sql, 724 exp.TsOrDsAdd: date_add_sql("ADD"), 725 exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression), 726 exp.TsOrDsToDate: _ts_or_ds_to_date_sql, 727 exp.UnixToTime: lambda self, e: self.func("FROM_UNIXTIME", e.this, self.format_time(e)), 728 exp.Week: _remove_ts_or_ds_to_date(), 729 exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")), 730 exp.Year: _remove_ts_or_ds_to_date(), 731 } 732 733 UNSIGNED_TYPE_MAPPING = { 734 exp.DataType.Type.UBIGINT: "BIGINT", 735 exp.DataType.Type.UINT: "INT", 736 exp.DataType.Type.UMEDIUMINT: "MEDIUMINT", 737 exp.DataType.Type.USMALLINT: "SMALLINT", 738 exp.DataType.Type.UTINYINT: "TINYINT", 739 exp.DataType.Type.UDECIMAL: "DECIMAL", 740 } 741 742 TIMESTAMP_TYPE_MAPPING = { 743 exp.DataType.Type.TIMESTAMP: "DATETIME", 744 exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP", 745 exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP", 746 } 747 748 TYPE_MAPPING = { 749 **generator.Generator.TYPE_MAPPING, 750 **UNSIGNED_TYPE_MAPPING, 751 **TIMESTAMP_TYPE_MAPPING, 752 } 753 754 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT) 755 TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT) 756 TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT) 757 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB) 758 TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB) 759 TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB) 760 761 PROPERTIES_LOCATION = { 762 **generator.Generator.PROPERTIES_LOCATION, 763 exp.TransientProperty: exp.Properties.Location.UNSUPPORTED, 764 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, 765 } 766 767 LIMIT_FETCH = "LIMIT" 768 769 LIMIT_ONLY_LITERALS = True 770 771 CHAR_CAST_MAPPING = dict.fromkeys( 772 ( 773 exp.DataType.Type.LONGTEXT, 774 exp.DataType.Type.LONGBLOB, 775 exp.DataType.Type.MEDIUMBLOB, 776 exp.DataType.Type.MEDIUMTEXT, 777 exp.DataType.Type.TEXT, 778 exp.DataType.Type.TINYBLOB, 779 exp.DataType.Type.TINYTEXT, 780 exp.DataType.Type.VARCHAR, 781 ), 782 "CHAR", 783 ) 784 SIGNED_CAST_MAPPING = dict.fromkeys( 785 ( 786 exp.DataType.Type.BIGINT, 787 exp.DataType.Type.BOOLEAN, 788 exp.DataType.Type.INT, 789 exp.DataType.Type.SMALLINT, 790 exp.DataType.Type.TINYINT, 791 exp.DataType.Type.MEDIUMINT, 792 ), 793 "SIGNED", 794 ) 795 796 # MySQL doesn't support many datatypes in cast. 797 # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast 798 CAST_MAPPING = { 799 **CHAR_CAST_MAPPING, 800 **SIGNED_CAST_MAPPING, 801 exp.DataType.Type.UBIGINT: "UNSIGNED", 802 } 803 804 TIMESTAMP_FUNC_TYPES = { 805 exp.DataType.Type.TIMESTAMPTZ, 806 exp.DataType.Type.TIMESTAMPLTZ, 807 } 808 809 def extract_sql(self, expression: exp.Extract) -> str: 810 unit = expression.name 811 if unit and unit.lower() == "epoch": 812 return self.func("UNIX_TIMESTAMP", expression.expression) 813 814 return super().extract_sql(expression) 815 816 def datatype_sql(self, expression: exp.DataType) -> str: 817 # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html 818 result = super().datatype_sql(expression) 819 if expression.this in self.UNSIGNED_TYPE_MAPPING: 820 result = f"{result} UNSIGNED" 821 return result 822 823 def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str: 824 return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})" 825 826 def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str: 827 if expression.to.this in self.TIMESTAMP_FUNC_TYPES: 828 return self.func("TIMESTAMP", expression.this) 829 830 to = self.CAST_MAPPING.get(expression.to.this) 831 832 if to: 833 expression.to.set("this", to) 834 return super().cast_sql(expression) 835 836 def show_sql(self, expression: exp.Show) -> str: 837 this = f" {expression.name}" 838 full = " FULL" if expression.args.get("full") else "" 839 global_ = " GLOBAL" if expression.args.get("global") else "" 840 841 target = self.sql(expression, "target") 842 target = f" {target}" if target else "" 843 if expression.name in ("COLUMNS", "INDEX"): 844 target = f" FROM{target}" 845 elif expression.name == "GRANTS": 846 target = f" FOR{target}" 847 848 db = self._prefixed_sql("FROM", expression, "db") 849 850 like = self._prefixed_sql("LIKE", expression, "like") 851 where = self.sql(expression, "where") 852 853 types = self.expressions(expression, key="types") 854 types = f" {types}" if types else types 855 query = self._prefixed_sql("FOR QUERY", expression, "query") 856 857 if expression.name == "PROFILE": 858 offset = self._prefixed_sql("OFFSET", expression, "offset") 859 limit = self._prefixed_sql("LIMIT", expression, "limit") 860 else: 861 offset = "" 862 limit = self._oldstyle_limit_sql(expression) 863 864 log = self._prefixed_sql("IN", expression, "log") 865 position = self._prefixed_sql("FROM", expression, "position") 866 867 channel = self._prefixed_sql("FOR CHANNEL", expression, "channel") 868 869 if expression.name == "ENGINE": 870 mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS" 871 else: 872 mutex_or_status = "" 873 874 return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}" 875 876 def altercolumn_sql(self, expression: exp.AlterColumn) -> str: 877 dtype = self.sql(expression, "dtype") 878 if not dtype: 879 return super().altercolumn_sql(expression) 880 881 this = self.sql(expression, "this") 882 return f"MODIFY COLUMN {this} {dtype}" 883 884 def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str: 885 sql = self.sql(expression, arg) 886 return f" {prefix} {sql}" if sql else "" 887 888 def _oldstyle_limit_sql(self, expression: exp.Show) -> str: 889 limit = self.sql(expression, "limit") 890 offset = self.sql(expression, "offset") 891 if limit: 892 limit_offset = f"{offset}, {limit}" if offset else limit 893 return f" LIMIT {limit_offset}" 894 return "" 895 896 def chr_sql(self, expression: exp.Chr) -> str: 897 this = self.expressions(sqls=[expression.this] + expression.expressions) 898 charset = expression.args.get("charset") 899 using = f" USING {self.sql(charset)}" if charset else "" 900 return f"CHAR({this}{using})" 901 902 def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str: 903 unit = expression.args.get("unit") 904 905 # Pick an old-enough date to avoid negative timestamp diffs 906 start_ts = "'0000-01-01 00:00:00'" 907 908 # Source: https://stackoverflow.com/a/32955740 909 timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this]) 910 interval = exp.Interval(this=timestamp_diff, unit=unit) 911 dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval]) 912 913 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
- 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
179 class Tokenizer(tokens.Tokenizer): 180 QUOTES = ["'", '"'] 181 COMMENTS = ["--", "#", ("/*", "*/")] 182 IDENTIFIERS = ["`"] 183 STRING_ESCAPES = ["'", '"', "\\"] 184 BIT_STRINGS = [("b'", "'"), ("B'", "'"), ("0b", "")] 185 HEX_STRINGS = [("x'", "'"), ("X'", "'"), ("0x", "")] 186 187 KEYWORDS = { 188 **tokens.Tokenizer.KEYWORDS, 189 "CHARSET": TokenType.CHARACTER_SET, 190 "FORCE": TokenType.FORCE, 191 "IGNORE": TokenType.IGNORE, 192 "LOCK TABLES": TokenType.COMMAND, 193 "LONGBLOB": TokenType.LONGBLOB, 194 "LONGTEXT": TokenType.LONGTEXT, 195 "MEDIUMBLOB": TokenType.MEDIUMBLOB, 196 "TINYBLOB": TokenType.TINYBLOB, 197 "TINYTEXT": TokenType.TINYTEXT, 198 "MEDIUMTEXT": TokenType.MEDIUMTEXT, 199 "MEDIUMINT": TokenType.MEDIUMINT, 200 "MEMBER OF": TokenType.MEMBER_OF, 201 "SEPARATOR": TokenType.SEPARATOR, 202 "START": TokenType.BEGIN, 203 "SIGNED": TokenType.BIGINT, 204 "SIGNED INTEGER": TokenType.BIGINT, 205 "UNLOCK TABLES": TokenType.COMMAND, 206 "UNSIGNED": TokenType.UBIGINT, 207 "UNSIGNED INTEGER": TokenType.UBIGINT, 208 "YEAR": TokenType.YEAR, 209 "_ARMSCII8": TokenType.INTRODUCER, 210 "_ASCII": TokenType.INTRODUCER, 211 "_BIG5": TokenType.INTRODUCER, 212 "_BINARY": TokenType.INTRODUCER, 213 "_CP1250": TokenType.INTRODUCER, 214 "_CP1251": TokenType.INTRODUCER, 215 "_CP1256": TokenType.INTRODUCER, 216 "_CP1257": TokenType.INTRODUCER, 217 "_CP850": TokenType.INTRODUCER, 218 "_CP852": TokenType.INTRODUCER, 219 "_CP866": TokenType.INTRODUCER, 220 "_CP932": TokenType.INTRODUCER, 221 "_DEC8": TokenType.INTRODUCER, 222 "_EUCJPMS": TokenType.INTRODUCER, 223 "_EUCKR": TokenType.INTRODUCER, 224 "_GB18030": TokenType.INTRODUCER, 225 "_GB2312": TokenType.INTRODUCER, 226 "_GBK": TokenType.INTRODUCER, 227 "_GEOSTD8": TokenType.INTRODUCER, 228 "_GREEK": TokenType.INTRODUCER, 229 "_HEBREW": TokenType.INTRODUCER, 230 "_HP8": TokenType.INTRODUCER, 231 "_KEYBCS2": TokenType.INTRODUCER, 232 "_KOI8R": TokenType.INTRODUCER, 233 "_KOI8U": TokenType.INTRODUCER, 234 "_LATIN1": TokenType.INTRODUCER, 235 "_LATIN2": TokenType.INTRODUCER, 236 "_LATIN5": TokenType.INTRODUCER, 237 "_LATIN7": TokenType.INTRODUCER, 238 "_MACCE": TokenType.INTRODUCER, 239 "_MACROMAN": TokenType.INTRODUCER, 240 "_SJIS": TokenType.INTRODUCER, 241 "_SWE7": TokenType.INTRODUCER, 242 "_TIS620": TokenType.INTRODUCER, 243 "_UCS2": TokenType.INTRODUCER, 244 "_UJIS": TokenType.INTRODUCER, 245 # https://dev.mysql.com/doc/refman/8.0/en/string-literals.html 246 "_UTF8": TokenType.INTRODUCER, 247 "_UTF16": TokenType.INTRODUCER, 248 "_UTF16LE": TokenType.INTRODUCER, 249 "_UTF32": TokenType.INTRODUCER, 250 "_UTF8MB3": TokenType.INTRODUCER, 251 "_UTF8MB4": TokenType.INTRODUCER, 252 "@@": TokenType.SESSION_PARAMETER, 253 } 254 255 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.EXECUTE: 'EXECUTE'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.FETCH: 'FETCH'>, <TokenType.REPLACE: 'REPLACE'>}
Inherited Members
257 class Parser(parser.Parser): 258 FUNC_TOKENS = { 259 *parser.Parser.FUNC_TOKENS, 260 TokenType.DATABASE, 261 TokenType.SCHEMA, 262 TokenType.VALUES, 263 } 264 265 CONJUNCTION = { 266 **parser.Parser.CONJUNCTION, 267 TokenType.DAMP: exp.And, 268 TokenType.XOR: exp.Xor, 269 TokenType.DPIPE: exp.Or, 270 } 271 272 TABLE_ALIAS_TOKENS = ( 273 parser.Parser.TABLE_ALIAS_TOKENS - parser.Parser.TABLE_INDEX_HINT_TOKENS 274 ) 275 276 RANGE_PARSERS = { 277 **parser.Parser.RANGE_PARSERS, 278 TokenType.MEMBER_OF: lambda self, this: self.expression( 279 exp.JSONArrayContains, 280 this=this, 281 expression=self._parse_wrapped(self._parse_expression), 282 ), 283 } 284 285 FUNCTIONS = { 286 **parser.Parser.FUNCTIONS, 287 "DATE": lambda args: exp.TsOrDsToDate(this=seq_get(args, 0)), 288 "DATE_ADD": build_date_delta_with_interval(exp.DateAdd), 289 "DATE_FORMAT": build_formatted_time(exp.TimeToStr, "mysql"), 290 "DATE_SUB": build_date_delta_with_interval(exp.DateSub), 291 "DAY": lambda args: exp.Day(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 292 "DAYOFMONTH": lambda args: exp.DayOfMonth(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 293 "DAYOFWEEK": lambda args: exp.DayOfWeek(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 294 "DAYOFYEAR": lambda args: exp.DayOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 295 "INSTR": lambda args: exp.StrPosition(substr=seq_get(args, 1), this=seq_get(args, 0)), 296 "FROM_UNIXTIME": build_formatted_time(exp.UnixToTime, "mysql"), 297 "ISNULL": isnull_to_is_null, 298 "LOCATE": locate_to_strposition, 299 "MAKETIME": exp.TimeFromParts.from_arg_list, 300 "MONTH": lambda args: exp.Month(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 301 "MONTHNAME": lambda args: exp.TimeToStr( 302 this=exp.TsOrDsToDate(this=seq_get(args, 0)), 303 format=exp.Literal.string("%B"), 304 ), 305 "STR_TO_DATE": _str_to_date, 306 "TIMESTAMPDIFF": build_date_delta(exp.TimestampDiff), 307 "TO_DAYS": lambda args: exp.paren( 308 exp.DateDiff( 309 this=exp.TsOrDsToDate(this=seq_get(args, 0)), 310 expression=exp.TsOrDsToDate(this=exp.Literal.string("0000-01-01")), 311 unit=exp.var("DAY"), 312 ) 313 + 1 314 ), 315 "WEEK": lambda args: exp.Week( 316 this=exp.TsOrDsToDate(this=seq_get(args, 0)), mode=seq_get(args, 1) 317 ), 318 "WEEKOFYEAR": lambda args: exp.WeekOfYear(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 319 "YEAR": lambda args: exp.Year(this=exp.TsOrDsToDate(this=seq_get(args, 0))), 320 } 321 322 FUNCTION_PARSERS = { 323 **parser.Parser.FUNCTION_PARSERS, 324 "CHAR": lambda self: self._parse_chr(), 325 "GROUP_CONCAT": lambda self: self._parse_group_concat(), 326 # https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values 327 "VALUES": lambda self: self.expression( 328 exp.Anonymous, this="VALUES", expressions=[self._parse_id_var()] 329 ), 330 } 331 332 STATEMENT_PARSERS = { 333 **parser.Parser.STATEMENT_PARSERS, 334 TokenType.SHOW: lambda self: self._parse_show(), 335 } 336 337 SHOW_PARSERS = { 338 "BINARY LOGS": _show_parser("BINARY LOGS"), 339 "MASTER LOGS": _show_parser("BINARY LOGS"), 340 "BINLOG EVENTS": _show_parser("BINLOG EVENTS"), 341 "CHARACTER SET": _show_parser("CHARACTER SET"), 342 "CHARSET": _show_parser("CHARACTER SET"), 343 "COLLATION": _show_parser("COLLATION"), 344 "FULL COLUMNS": _show_parser("COLUMNS", target="FROM", full=True), 345 "COLUMNS": _show_parser("COLUMNS", target="FROM"), 346 "CREATE DATABASE": _show_parser("CREATE DATABASE", target=True), 347 "CREATE EVENT": _show_parser("CREATE EVENT", target=True), 348 "CREATE FUNCTION": _show_parser("CREATE FUNCTION", target=True), 349 "CREATE PROCEDURE": _show_parser("CREATE PROCEDURE", target=True), 350 "CREATE TABLE": _show_parser("CREATE TABLE", target=True), 351 "CREATE TRIGGER": _show_parser("CREATE TRIGGER", target=True), 352 "CREATE VIEW": _show_parser("CREATE VIEW", target=True), 353 "DATABASES": _show_parser("DATABASES"), 354 "SCHEMAS": _show_parser("DATABASES"), 355 "ENGINE": _show_parser("ENGINE", target=True), 356 "STORAGE ENGINES": _show_parser("ENGINES"), 357 "ENGINES": _show_parser("ENGINES"), 358 "ERRORS": _show_parser("ERRORS"), 359 "EVENTS": _show_parser("EVENTS"), 360 "FUNCTION CODE": _show_parser("FUNCTION CODE", target=True), 361 "FUNCTION STATUS": _show_parser("FUNCTION STATUS"), 362 "GRANTS": _show_parser("GRANTS", target="FOR"), 363 "INDEX": _show_parser("INDEX", target="FROM"), 364 "MASTER STATUS": _show_parser("MASTER STATUS"), 365 "OPEN TABLES": _show_parser("OPEN TABLES"), 366 "PLUGINS": _show_parser("PLUGINS"), 367 "PROCEDURE CODE": _show_parser("PROCEDURE CODE", target=True), 368 "PROCEDURE STATUS": _show_parser("PROCEDURE STATUS"), 369 "PRIVILEGES": _show_parser("PRIVILEGES"), 370 "FULL PROCESSLIST": _show_parser("PROCESSLIST", full=True), 371 "PROCESSLIST": _show_parser("PROCESSLIST"), 372 "PROFILE": _show_parser("PROFILE"), 373 "PROFILES": _show_parser("PROFILES"), 374 "RELAYLOG EVENTS": _show_parser("RELAYLOG EVENTS"), 375 "REPLICAS": _show_parser("REPLICAS"), 376 "SLAVE HOSTS": _show_parser("REPLICAS"), 377 "REPLICA STATUS": _show_parser("REPLICA STATUS"), 378 "SLAVE STATUS": _show_parser("REPLICA STATUS"), 379 "GLOBAL STATUS": _show_parser("STATUS", global_=True), 380 "SESSION STATUS": _show_parser("STATUS"), 381 "STATUS": _show_parser("STATUS"), 382 "TABLE STATUS": _show_parser("TABLE STATUS"), 383 "FULL TABLES": _show_parser("TABLES", full=True), 384 "TABLES": _show_parser("TABLES"), 385 "TRIGGERS": _show_parser("TRIGGERS"), 386 "GLOBAL VARIABLES": _show_parser("VARIABLES", global_=True), 387 "SESSION VARIABLES": _show_parser("VARIABLES"), 388 "VARIABLES": _show_parser("VARIABLES"), 389 "WARNINGS": _show_parser("WARNINGS"), 390 } 391 392 PROPERTY_PARSERS = { 393 **parser.Parser.PROPERTY_PARSERS, 394 "LOCK": lambda self: self._parse_property_assignment(exp.LockProperty), 395 } 396 397 SET_PARSERS = { 398 **parser.Parser.SET_PARSERS, 399 "PERSIST": lambda self: self._parse_set_item_assignment("PERSIST"), 400 "PERSIST_ONLY": lambda self: self._parse_set_item_assignment("PERSIST_ONLY"), 401 "CHARACTER SET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 402 "CHARSET": lambda self: self._parse_set_item_charset("CHARACTER SET"), 403 "NAMES": lambda self: self._parse_set_item_names(), 404 } 405 406 CONSTRAINT_PARSERS = { 407 **parser.Parser.CONSTRAINT_PARSERS, 408 "FULLTEXT": lambda self: self._parse_index_constraint(kind="FULLTEXT"), 409 "INDEX": lambda self: self._parse_index_constraint(), 410 "KEY": lambda self: self._parse_index_constraint(), 411 "SPATIAL": lambda self: self._parse_index_constraint(kind="SPATIAL"), 412 } 413 414 ALTER_PARSERS = { 415 **parser.Parser.ALTER_PARSERS, 416 "MODIFY": lambda self: self._parse_alter_table_alter(), 417 } 418 419 SCHEMA_UNNAMED_CONSTRAINTS = { 420 *parser.Parser.SCHEMA_UNNAMED_CONSTRAINTS, 421 "FULLTEXT", 422 "INDEX", 423 "KEY", 424 "SPATIAL", 425 } 426 427 PROFILE_TYPES: parser.OPTIONS_TYPE = { 428 **dict.fromkeys(("ALL", "CPU", "IPC", "MEMORY", "SOURCE", "SWAPS"), tuple()), 429 "BLOCK": ("IO",), 430 "CONTEXT": ("SWITCHES",), 431 "PAGE": ("FAULTS",), 432 } 433 434 TYPE_TOKENS = { 435 *parser.Parser.TYPE_TOKENS, 436 TokenType.SET, 437 } 438 439 ENUM_TYPE_TOKENS = { 440 *parser.Parser.ENUM_TYPE_TOKENS, 441 TokenType.SET, 442 } 443 444 LOG_DEFAULTS_TO_LN = True 445 STRING_ALIASES = True 446 VALUES_FOLLOWED_BY_PAREN = False 447 SUPPORTS_PARTITION_SELECTION = True 448 449 def _parse_primary_key_part(self) -> t.Optional[exp.Expression]: 450 this = self._parse_id_var() 451 if not self._match(TokenType.L_PAREN): 452 return this 453 454 expression = self._parse_number() 455 self._match_r_paren() 456 return self.expression(exp.ColumnPrefix, this=this, expression=expression) 457 458 def _parse_index_constraint( 459 self, kind: t.Optional[str] = None 460 ) -> exp.IndexColumnConstraint: 461 if kind: 462 self._match_texts(("INDEX", "KEY")) 463 464 this = self._parse_id_var(any_token=False) 465 index_type = self._match(TokenType.USING) and self._advance_any() and self._prev.text 466 expressions = self._parse_wrapped_csv(self._parse_ordered) 467 468 options = [] 469 while True: 470 if self._match_text_seq("KEY_BLOCK_SIZE"): 471 self._match(TokenType.EQ) 472 opt = exp.IndexConstraintOption(key_block_size=self._parse_number()) 473 elif self._match(TokenType.USING): 474 opt = exp.IndexConstraintOption(using=self._advance_any() and self._prev.text) 475 elif self._match_text_seq("WITH", "PARSER"): 476 opt = exp.IndexConstraintOption(parser=self._parse_var(any_token=True)) 477 elif self._match(TokenType.COMMENT): 478 opt = exp.IndexConstraintOption(comment=self._parse_string()) 479 elif self._match_text_seq("VISIBLE"): 480 opt = exp.IndexConstraintOption(visible=True) 481 elif self._match_text_seq("INVISIBLE"): 482 opt = exp.IndexConstraintOption(visible=False) 483 elif self._match_text_seq("ENGINE_ATTRIBUTE"): 484 self._match(TokenType.EQ) 485 opt = exp.IndexConstraintOption(engine_attr=self._parse_string()) 486 elif self._match_text_seq("SECONDARY_ENGINE_ATTRIBUTE"): 487 self._match(TokenType.EQ) 488 opt = exp.IndexConstraintOption(secondary_engine_attr=self._parse_string()) 489 else: 490 opt = None 491 492 if not opt: 493 break 494 495 options.append(opt) 496 497 return self.expression( 498 exp.IndexColumnConstraint, 499 this=this, 500 expressions=expressions, 501 kind=kind, 502 index_type=index_type, 503 options=options, 504 ) 505 506 def _parse_show_mysql( 507 self, 508 this: str, 509 target: bool | str = False, 510 full: t.Optional[bool] = None, 511 global_: t.Optional[bool] = None, 512 ) -> exp.Show: 513 if target: 514 if isinstance(target, str): 515 self._match_text_seq(target) 516 target_id = self._parse_id_var() 517 else: 518 target_id = None 519 520 log = self._parse_string() if self._match_text_seq("IN") else None 521 522 if this in ("BINLOG EVENTS", "RELAYLOG EVENTS"): 523 position = self._parse_number() if self._match_text_seq("FROM") else None 524 db = None 525 else: 526 position = None 527 db = None 528 529 if self._match(TokenType.FROM): 530 db = self._parse_id_var() 531 elif self._match(TokenType.DOT): 532 db = target_id 533 target_id = self._parse_id_var() 534 535 channel = self._parse_id_var() if self._match_text_seq("FOR", "CHANNEL") else None 536 537 like = self._parse_string() if self._match_text_seq("LIKE") else None 538 where = self._parse_where() 539 540 if this == "PROFILE": 541 types = self._parse_csv(lambda: self._parse_var_from_options(self.PROFILE_TYPES)) 542 query = self._parse_number() if self._match_text_seq("FOR", "QUERY") else None 543 offset = self._parse_number() if self._match_text_seq("OFFSET") else None 544 limit = self._parse_number() if self._match_text_seq("LIMIT") else None 545 else: 546 types, query = None, None 547 offset, limit = self._parse_oldstyle_limit() 548 549 mutex = True if self._match_text_seq("MUTEX") else None 550 mutex = False if self._match_text_seq("STATUS") else mutex 551 552 return self.expression( 553 exp.Show, 554 this=this, 555 target=target_id, 556 full=full, 557 log=log, 558 position=position, 559 db=db, 560 channel=channel, 561 like=like, 562 where=where, 563 types=types, 564 query=query, 565 offset=offset, 566 limit=limit, 567 mutex=mutex, 568 **{"global": global_}, # type: ignore 569 ) 570 571 def _parse_oldstyle_limit( 572 self, 573 ) -> t.Tuple[t.Optional[exp.Expression], t.Optional[exp.Expression]]: 574 limit = None 575 offset = None 576 if self._match_text_seq("LIMIT"): 577 parts = self._parse_csv(self._parse_number) 578 if len(parts) == 1: 579 limit = parts[0] 580 elif len(parts) == 2: 581 limit = parts[1] 582 offset = parts[0] 583 584 return offset, limit 585 586 def _parse_set_item_charset(self, kind: str) -> exp.Expression: 587 this = self._parse_string() or self._parse_id_var() 588 return self.expression(exp.SetItem, this=this, kind=kind) 589 590 def _parse_set_item_names(self) -> exp.Expression: 591 charset = self._parse_string() or self._parse_id_var() 592 if self._match_text_seq("COLLATE"): 593 collate = self._parse_string() or self._parse_id_var() 594 else: 595 collate = None 596 597 return self.expression(exp.SetItem, this=charset, collate=collate, kind="NAMES") 598 599 def _parse_type(self, parse_interval: bool = True) -> t.Optional[exp.Expression]: 600 # mysql binary is special and can work anywhere, even in order by operations 601 # it operates like a no paren func 602 if self._match(TokenType.BINARY, advance=False): 603 data_type = self._parse_types(check_func=True, allow_identifiers=False) 604 605 if isinstance(data_type, exp.DataType): 606 return self.expression(exp.Cast, this=self._parse_column(), to=data_type) 607 608 return super()._parse_type(parse_interval=parse_interval) 609 610 def _parse_chr(self) -> t.Optional[exp.Expression]: 611 expressions = self._parse_csv(self._parse_conjunction) 612 kwargs: t.Dict[str, t.Any] = {"this": seq_get(expressions, 0)} 613 614 if len(expressions) > 1: 615 kwargs["expressions"] = expressions[1:] 616 617 if self._match(TokenType.USING): 618 kwargs["charset"] = self._parse_var() 619 620 return self.expression(exp.Chr, **kwargs) 621 622 def _parse_group_concat(self) -> t.Optional[exp.Expression]: 623 def concat_exprs( 624 node: t.Optional[exp.Expression], exprs: t.List[exp.Expression] 625 ) -> exp.Expression: 626 if isinstance(node, exp.Distinct) and len(node.expressions) > 1: 627 concat_exprs = [ 628 self.expression(exp.Concat, expressions=node.expressions, safe=True) 629 ] 630 node.set("expressions", concat_exprs) 631 return node 632 if len(exprs) == 1: 633 return exprs[0] 634 return self.expression(exp.Concat, expressions=args, safe=True) 635 636 args = self._parse_csv(self._parse_lambda) 637 638 if args: 639 order = args[-1] if isinstance(args[-1], exp.Order) else None 640 641 if order: 642 # Order By is the last (or only) expression in the list and has consumed the 'expr' before it, 643 # remove 'expr' from exp.Order and add it back to args 644 args[-1] = order.this 645 order.set("this", concat_exprs(order.this, args)) 646 647 this = order or concat_exprs(args[0], args) 648 else: 649 this = None 650 651 separator = self._parse_field() if self._match(TokenType.SEPARATOR) else None 652 653 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.VALUES: 'VALUES'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.DATE: 'DATE'>, <TokenType.TABLE: 'TABLE'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.JSONB: 'JSONB'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.XML: 'XML'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.CHAR: 'CHAR'>, <TokenType.JSON: 'JSON'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.TIME: 'TIME'>, <TokenType.UINT: 'UINT'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.SOME: 'SOME'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.INSERT: 'INSERT'>, <TokenType.ENUM: 'ENUM'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.NULL: 'NULL'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.PRIMARY_KEY: 'PRIMARY_KEY'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.INT128: 'INT128'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.OFFSET: 'OFFSET'>, <TokenType.BIT: 'BIT'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.RLIKE: 'RLIKE'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.ILIKE: 'ILIKE'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.MAP: 'MAP'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.GLOB: 'GLOB'>, <TokenType.INDEX: 'INDEX'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.WINDOW: 'WINDOW'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.UUID: 'UUID'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.UINT128: 'UINT128'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.RANGE: 'RANGE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.TEXT: 'TEXT'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.ROW: 'ROW'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.IPV6: 'IPV6'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.NESTED: 'NESTED'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.DATE32: 'DATE32'>, <TokenType.ALL: 'ALL'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.IPV4: 'IPV4'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.BINARY: 'BINARY'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.INET: 'INET'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.LEFT: 'LEFT'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.YEAR: 'YEAR'>, <TokenType.VAR: 'VAR'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.MONEY: 'MONEY'>, <TokenType.UINT256: 'UINT256'>, <TokenType.LIKE: 'LIKE'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.FIRST: 'FIRST'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.NAME: 'NAME'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.SUPER: 'SUPER'>, <TokenType.ANY: 'ANY'>, <TokenType.FILTER: 'FILTER'>, <TokenType.XOR: 'XOR'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.INT256: 'INT256'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.RIGHT: 'RIGHT'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.INT: 'INT'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.MERGE: 'MERGE'>}
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.FLOAT: 'FLOAT'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.DATE: 'DATE'>, <TokenType.TABLE: 'TABLE'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.JSONB: 'JSONB'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.IS: 'IS'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.XML: 'XML'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.CHAR: 'CHAR'>, <TokenType.ANTI: 'ANTI'>, <TokenType.JSON: 'JSON'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.NEXT: 'NEXT'>, <TokenType.KEEP: 'KEEP'>, <TokenType.TIME: 'TIME'>, <TokenType.UINT: 'UINT'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.SOME: 'SOME'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.ENUM: 'ENUM'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.PRAGMA: 'PRAGMA'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.NULL: 'NULL'>, <TokenType.OVERWRITE: 'OVERWRITE'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.DELETE: 'DELETE'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.INT128: 'INT128'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.TOP: 'TOP'>, <TokenType.VIEW: 'VIEW'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.BIT: 'BIT'>, <TokenType.COMMENT: 'COMMENT'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.SETTINGS: 'SETTINGS'>, <TokenType.FUNCTION: 'FUNCTION'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.ESCAPE: 'ESCAPE'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.DEFAULT: 'DEFAULT'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.REFERENCES: 'REFERENCES'>, <TokenType.FINAL: 'FINAL'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.DIV: 'DIV'>, <TokenType.UNPIVOT: 'UNPIVOT'>, <TokenType.PERCENT: 'PERCENT'>, <TokenType.MAP: 'MAP'>, <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, <TokenType.PROCEDURE: 'PROCEDURE'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.INDEX: 'INDEX'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.CONSTRAINT: 'CONSTRAINT'>, <TokenType.UNIQUE: 'UNIQUE'>, <TokenType.REFRESH: 'REFRESH'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.UUID: 'UUID'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.SHOW: 'SHOW'>, <TokenType.UPDATE: 'UPDATE'>, <TokenType.UINT128: 'UINT128'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.RANGE: 'RANGE'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.DESC: 'DESC'>, <TokenType.TEXT: 'TEXT'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.ASC: 'ASC'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.ROW: 'ROW'>, <TokenType.FALSE: 'FALSE'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.SEMI: 'SEMI'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.OPERATOR: 'OPERATOR'>, <TokenType.PIVOT: 'PIVOT'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.SET: 'SET'>, <TokenType.KILL: 'KILL'>, <TokenType.ROWS: 'ROWS'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.IPV6: 'IPV6'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.NESTED: 'NESTED'>, <TokenType.COPY: 'COPY'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.DATE32: 'DATE32'>, <TokenType.ALL: 'ALL'>, <TokenType.VOLATILE: 'VOLATILE'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, <TokenType.IPV4: 'IPV4'>, <TokenType.TEMPORARY: 'TEMPORARY'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.BINARY: 'BINARY'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.INET: 'INET'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.BEGIN: 'BEGIN'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.LOAD: 'LOAD'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.YEAR: 'YEAR'>, <TokenType.VAR: 'VAR'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.MONEY: 'MONEY'>, <TokenType.TRUE: 'TRUE'>, <TokenType.UINT256: 'UINT256'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.DICTIONARY: 'DICTIONARY'>, <TokenType.FIRST: 'FIRST'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.OVERLAPS: 'OVERLAPS'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.NAME: 'NAME'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.ORDINALITY: 'ORDINALITY'>, <TokenType.MODEL: 'MODEL'>, <TokenType.STORAGE_INTEGRATION: 'STORAGE_INTEGRATION'>, <TokenType.SUPER: 'SUPER'>, <TokenType.COMMIT: 'COMMIT'>, <TokenType.ANY: 'ANY'>, <TokenType.FILTER: 'FILTER'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.INT256: 'INT256'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.COLUMN: 'COLUMN'>, <TokenType.CASE: 'CASE'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.PARTITION: 'PARTITION'>, <TokenType.DESCRIBE: 'DESCRIBE'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.END: 'END'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.INT: 'INT'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.CACHE: 'CACHE'>, <TokenType.RECURSIVE: 'RECURSIVE'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.MERGE: 'MERGE'>, <TokenType.EXECUTE: 'EXECUTE'>}
RANGE_PARSERS =
{<TokenType.BETWEEN: 'BETWEEN'>: <function Parser.<lambda>>, <TokenType.GLOB: 'GLOB'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.ILIKE: 'ILIKE'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.IN: 'IN'>: <function Parser.<lambda>>, <TokenType.IRLIKE: 'IRLIKE'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.IS: 'IS'>: <function Parser.<lambda>>, <TokenType.LIKE: 'LIKE'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.OVERLAPS: 'OVERLAPS'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.RLIKE: 'RLIKE'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.SIMILAR_TO: 'SIMILAR_TO'>: <function binary_range_parser.<locals>.<lambda>>, <TokenType.FOR: 'FOR'>: <function Parser.<lambda>>, <TokenType.MEMBER_OF: 'MEMBER_OF'>: <function MySQL.Parser.<lambda>>}
FUNCTIONS =
{'ABS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Abs'>>, 'ADD_MONTHS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.AddMonths'>>, 'ANONYMOUS_AGG_FUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.AnonymousAggFunc'>>, 'ANY_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.AnyValue'>>, 'APPROX_DISTINCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxDistinct'>>, 'APPROX_COUNT_DISTINCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxDistinct'>>, 'APPROX_QUANTILE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxQuantile'>>, 'APPROX_TOP_K': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxTopK'>>, 'ARG_MAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'ARGMAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'MAX_BY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'ARG_MIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'ARGMIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'MIN_BY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Array'>>, 'ARRAY_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAgg'>>, 'ARRAY_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAll'>>, 'ARRAY_ANY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAny'>>, 'ARRAY_CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContains'>>, 'FILTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayFilter'>>, 'ARRAY_FILTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayFilter'>>, 'ARRAY_OVERLAPS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayOverlaps'>>, 'ARRAY_SIZE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySize'>>, 'ARRAY_LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySize'>>, 'ARRAY_SORT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySort'>>, 'ARRAY_SUM': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArraySum'>>, 'ARRAY_TO_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayToString'>>, 'ARRAY_JOIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayToString'>>, 'ARRAY_UNION_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayUnionAgg'>>, 'ARRAY_UNIQUE_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayUniqueAgg'>>, 'AVG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Avg'>>, 'CASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Case'>>, 'CAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Cast'>>, 'CAST_TO_STR_TYPE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CastToStrType'>>, 'CBRT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Cbrt'>>, 'CEIL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ceil'>>, 'CEILING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ceil'>>, 'CHR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Chr'>>, 'CHAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Chr'>>, 'COALESCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Coalesce'>>, 'IFNULL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Coalesce'>>, 'NVL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Coalesce'>>, 'COLLATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Collate'>>, 'COMBINED_AGG_FUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CombinedAggFunc'>>, 'COMBINED_PARAMETERIZED_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CombinedParameterizedAgg'>>, 'CONCAT': <function Parser.<lambda>>, 'CONCAT_WS': <function Parser.<lambda>>, 'CONNECT_BY_ROOT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ConnectByRoot'>>, 'CONVERT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Convert'>>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Hex'>>, 'HLL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Hll'>>, 'IF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.If'>>, 'IIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.If'>>, 'INITCAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Initcap'>>, 'IS_INF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsInf'>>, 'ISINF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsInf'>>, 'IS_NAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsNan'>>, 'ISNAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsNan'>>, 'J_S_O_N_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArray'>>, 'J_S_O_N_ARRAY_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayAgg'>>, 'JSON_ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayContains'>>, 'JSONB_EXTRACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBExtract'>>, 'JSONB_EXTRACT_SCALAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBExtractScalar'>>, 'JSON_EXTRACT': <function build_extract_json_with_path.<locals>._builder>, 'JSON_EXTRACT_SCALAR': <function build_extract_json_with_path.<locals>._builder>, 'JSON_FORMAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONFormat'>>, 'J_S_O_N_OBJECT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONObject'>>, 'J_S_O_N_OBJECT_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONObjectAgg'>>, 'J_S_O_N_TABLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONTable'>>, 'LAG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lag'>>, 'LAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Last'>>, 'LAST_DAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LastDay'>>, 'LAST_DAY_OF_MONTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LastDay'>>, 'LAST_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LastValue'>>, 'LEAD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lead'>>, 'LEAST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Least'>>, 'LEFT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Left'>>, 'LENGTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Length'>>, 'LEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Length'>>, 'LEVENSHTEIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Levenshtein'>>, 'LN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ln'>>, 'LOG': <function build_logarithm>, 'LOGICAL_AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'BOOL_AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'BOOLAND_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'LOGICAL_OR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'BOOL_OR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'BOOLOR_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'LOWER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lower'>>, 'LCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lower'>>, 'MD5': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MD5'>>, 'MD5_DIGEST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MD5Digest'>>, 'MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Map'>>, 'MAP_FROM_ENTRIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MapFromEntries'>>, 'MATCH_AGAINST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MatchAgainst'>>, 'MAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Max'>>, 'MIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Min'>>, 'MONTH': <function MySQL.Parser.<lambda>>, 'MONTHS_BETWEEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MonthsBetween'>>, 'NEXT_VALUE_FOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NextValueFor'>>, 'NTH_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NthValue'>>, 'NULLIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Nullif'>>, 'NUMBER_TO_STR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NumberToStr'>>, 'NVL2': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Nvl2'>>, 'OPEN_J_S_O_N': <bound method Func.from_arg_list of <class 'sqlglot.expressions.OpenJSON'>>, 'PARAMETERIZED_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParameterizedAgg'>>, 'PARSE_JSON': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParseJSON'>>, 'JSON_PARSE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ParseJSON'>>, 'PERCENTILE_CONT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PercentileCont'>>, 'PERCENTILE_DISC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PercentileDisc'>>, 'POSEXPLODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Posexplode'>>, 'POSEXPLODE_OUTER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.PosexplodeOuter'>>, 'POWER': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pow'>>, 'POW': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Pow'>>, 'PREDICT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Predict'>>, 'QUANTILE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Quantile'>>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Upper'>>, 'UCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Upper'>>, 'VAR_MAP': <function build_var_map>, 'VARIANCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VAR_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'VAR_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'WEEK': <function MySQL.Parser.<lambda>>, 'WEEK_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.WeekOfYear'>>, 'WEEKOFYEAR': <function MySQL.Parser.<lambda>>, 'WHEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.When'>>, 'X_M_L_TABLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.XMLTable'>>, 'XOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Xor'>>, 'YEAR': <function MySQL.Parser.<lambda>>, 'GLOB': <function Parser.<lambda>>, 'JSON_EXTRACT_PATH_TEXT': <function build_extract_json_with_path.<locals>._builder>, 'LIKE': <function build_like>, 'LOG2': <function Parser.<lambda>>, 'LOG10': <function Parser.<lambda>>, 'MOD': <function build_mod>, '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 =
{'ALGORITHM': <function Parser.<lambda>>, 'AUTO': <function Parser.<lambda>>, 'AUTO_INCREMENT': <function Parser.<lambda>>, 'BACKUP': <function Parser.<lambda>>, 'BLOCKCOMPRESSION': <function Parser.<lambda>>, 'CHARSET': <function Parser.<lambda>>, 'CHARACTER SET': <function Parser.<lambda>>, 'CHECKSUM': <function Parser.<lambda>>, 'CLUSTER BY': <function Parser.<lambda>>, 'CLUSTERED': <function Parser.<lambda>>, 'COLLATE': <function Parser.<lambda>>, 'COMMENT': <function Parser.<lambda>>, 'CONTAINS': <function Parser.<lambda>>, 'COPY': <function Parser.<lambda>>, 'DATABLOCKSIZE': <function Parser.<lambda>>, 'DEFINER': <function Parser.<lambda>>, 'DETERMINISTIC': <function Parser.<lambda>>, 'DISTKEY': <function Parser.<lambda>>, 'DISTSTYLE': <function Parser.<lambda>>, 'ENGINE': <function Parser.<lambda>>, 'EXECUTE': <function Parser.<lambda>>, 'EXTERNAL': <function Parser.<lambda>>, 'FALLBACK': <function Parser.<lambda>>, 'FORMAT': <function Parser.<lambda>>, 'FREESPACE': <function Parser.<lambda>>, 'GLOBAL': <function Parser.<lambda>>, 'HEAP': <function Parser.<lambda>>, 'ICEBERG': <function Parser.<lambda>>, 'IMMUTABLE': <function Parser.<lambda>>, 'INHERITS': <function Parser.<lambda>>, 'INPUT': <function Parser.<lambda>>, 'JOURNAL': <function Parser.<lambda>>, 'LANGUAGE': <function Parser.<lambda>>, 'LAYOUT': <function Parser.<lambda>>, 'LIFETIME': <function Parser.<lambda>>, 'LIKE': <function Parser.<lambda>>, 'LOCATION': <function Parser.<lambda>>, 'LOCK': <function MySQL.Parser.<lambda>>, 'LOCKING': <function Parser.<lambda>>, 'LOG': <function Parser.<lambda>>, 'MATERIALIZED': <function Parser.<lambda>>, 'MERGEBLOCKRATIO': <function Parser.<lambda>>, 'MODIFIES': <function Parser.<lambda>>, 'MULTISET': <function Parser.<lambda>>, 'NO': <function Parser.<lambda>>, 'ON': <function Parser.<lambda>>, 'ORDER BY': <function Parser.<lambda>>, 'OUTPUT': <function Parser.<lambda>>, 'PARTITION': <function Parser.<lambda>>, 'PARTITION BY': <function Parser.<lambda>>, 'PARTITIONED BY': <function Parser.<lambda>>, 'PARTITIONED_BY': <function Parser.<lambda>>, 'PRIMARY KEY': <function Parser.<lambda>>, 'RANGE': <function Parser.<lambda>>, 'READS': <function Parser.<lambda>>, 'REMOTE': <function Parser.<lambda>>, 'RETURNS': <function Parser.<lambda>>, 'ROW': <function Parser.<lambda>>, 'ROW_FORMAT': <function Parser.<lambda>>, 'SAMPLE': <function Parser.<lambda>>, 'SET': <function Parser.<lambda>>, 'SETTINGS': <function Parser.<lambda>>, 'SHARING': <function Parser.<lambda>>, 'SORTKEY': <function Parser.<lambda>>, 'SOURCE': <function Parser.<lambda>>, 'STABLE': <function Parser.<lambda>>, 'STORED': <function Parser.<lambda>>, 'SYSTEM_VERSIONING': <function Parser.<lambda>>, 'TBLPROPERTIES': <function Parser.<lambda>>, 'TEMP': <function Parser.<lambda>>, 'TEMPORARY': <function Parser.<lambda>>, 'TO': <function Parser.<lambda>>, 'TRANSIENT': <function Parser.<lambda>>, 'TRANSFORM': <function Parser.<lambda>>, 'TTL': <function Parser.<lambda>>, 'USING': <function Parser.<lambda>>, 'UNLOGGED': <function Parser.<lambda>>, 'VOLATILE': <function Parser.<lambda>>, 'WITH': <function Parser.<lambda>>}
SET_PARSERS =
{'GLOBAL': <function Parser.<lambda>>, 'LOCAL': <function Parser.<lambda>>, 'SESSION': <function Parser.<lambda>>, 'TRANSACTION': <function Parser.<lambda>>, 'PERSIST': <function MySQL.Parser.<lambda>>, 'PERSIST_ONLY': <function MySQL.Parser.<lambda>>, 'CHARACTER SET': <function MySQL.Parser.<lambda>>, 'CHARSET': <function MySQL.Parser.<lambda>>, 'NAMES': <function MySQL.Parser.<lambda>>}
CONSTRAINT_PARSERS =
{'AUTOINCREMENT': <function Parser.<lambda>>, 'AUTO_INCREMENT': <function Parser.<lambda>>, 'CASESPECIFIC': <function Parser.<lambda>>, 'CHARACTER SET': <function Parser.<lambda>>, 'CHECK': <function Parser.<lambda>>, 'COLLATE': <function Parser.<lambda>>, 'COMMENT': <function Parser.<lambda>>, 'COMPRESS': <function Parser.<lambda>>, 'CLUSTERED': <function Parser.<lambda>>, 'NONCLUSTERED': <function Parser.<lambda>>, 'DEFAULT': <function Parser.<lambda>>, 'ENCODE': <function Parser.<lambda>>, '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>>, 'MODIFY': <function MySQL.Parser.<lambda>>}
SCHEMA_UNNAMED_CONSTRAINTS =
{'KEY', 'FOREIGN KEY', 'FULLTEXT', 'PRIMARY KEY', 'INDEX', 'EXCLUDE', 'UNIQUE', 'CHECK', 'SPATIAL', 'LIKE', 'PERIOD'}
PROFILE_TYPES: Dict[str, Sequence[Union[Sequence[str], str]]] =
{'ALL': (), 'CPU': (), 'IPC': (), 'MEMORY': (), 'SOURCE': (), 'SWAPS': (), 'BLOCK': ('IO',), 'CONTEXT': ('SWITCHES',), 'PAGE': ('FAULTS',)}
TYPE_TOKENS =
{<TokenType.FLOAT: 'FLOAT'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.DATE: 'DATE'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.JSONB: 'JSONB'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.XML: 'XML'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.IPV6: 'IPV6'>, <TokenType.CHAR: 'CHAR'>, <TokenType.SET: 'SET'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.JSON: 'JSON'>, <TokenType.NESTED: 'NESTED'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.DATE32: 'DATE32'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.TIME: 'TIME'>, <TokenType.IPV4: 'IPV4'>, <TokenType.UINT: 'UINT'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.BINARY: 'BINARY'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.INET: 'INET'>, <TokenType.SERIAL: 'SERIAL'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.ENUM: 'ENUM'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.NULL: 'NULL'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.YEAR: 'YEAR'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.MONEY: 'MONEY'>, <TokenType.UINT256: 'UINT256'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.INT128: 'INT128'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.BIT: 'BIT'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.NAME: 'NAME'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.SUPER: 'SUPER'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.INT256: 'INT256'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.MAP: 'MAP'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.UUID: 'UUID'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.INT: 'INT'>, <TokenType.UINT128: 'UINT128'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.TEXT: 'TEXT'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>}
ENUM_TYPE_TOKENS =
{<TokenType.ENUM: 'ENUM'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.SET: 'SET'>}
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
- 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
- SET_REQUIRES_ASSIGNMENT_DELIMITER
- TRIM_PATTERN_FIRST
- MODIFIERS_ATTACHED_TO_UNION
- UNION_MODIFIERS
- NO_PAREN_IF_COMMANDS
- JSON_ARROWS_REQUIRE_JSON_TYPE
- SUPPORTS_IMPLICIT_UNNEST
- INTERVAL_SPANS
- error_level
- error_message_context
- max_errors
- dialect
- reset
- parse
- parse_into
- check_errors
- raise_error
- expression
- validate_expression
- errors
- sql
655 class Generator(generator.Generator): 656 LOCKING_READS_SUPPORTED = True 657 NULL_ORDERING_SUPPORTED = None 658 JOIN_HINTS = False 659 TABLE_HINTS = True 660 DUPLICATE_KEY_UPDATE_WITH_SET = False 661 QUERY_HINT_SEP = " " 662 VALUES_AS_TABLE = False 663 NVL2_SUPPORTED = False 664 LAST_DAY_SUPPORTS_DATE_PART = False 665 JSON_TYPE_REQUIRED_FOR_EXTRACTION = True 666 JSON_PATH_BRACKETED_KEY_SUPPORTED = False 667 JSON_KEY_VALUE_PAIR_SEP = "," 668 SUPPORTS_TO_NUMBER = False 669 670 TRANSFORMS = { 671 **generator.Generator.TRANSFORMS, 672 exp.ArrayAgg: rename_func("GROUP_CONCAT"), 673 exp.CurrentDate: no_paren_current_date_sql, 674 exp.DateDiff: _remove_ts_or_ds_to_date( 675 lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression") 676 ), 677 exp.DateAdd: _remove_ts_or_ds_to_date(date_add_sql("ADD")), 678 exp.DateStrToDate: datestrtodate_sql, 679 exp.DateSub: _remove_ts_or_ds_to_date(date_add_sql("SUB")), 680 exp.DateTrunc: _date_trunc_sql, 681 exp.Day: _remove_ts_or_ds_to_date(), 682 exp.DayOfMonth: _remove_ts_or_ds_to_date(rename_func("DAYOFMONTH")), 683 exp.DayOfWeek: _remove_ts_or_ds_to_date(rename_func("DAYOFWEEK")), 684 exp.DayOfYear: _remove_ts_or_ds_to_date(rename_func("DAYOFYEAR")), 685 exp.GroupConcat: lambda self, 686 e: f"""GROUP_CONCAT({self.sql(e, "this")} SEPARATOR {self.sql(e, "separator") or "','"})""", 687 exp.ILike: no_ilike_sql, 688 exp.JSONExtractScalar: arrow_json_extract_sql, 689 exp.Max: max_or_greatest, 690 exp.Min: min_or_least, 691 exp.Month: _remove_ts_or_ds_to_date(), 692 exp.NullSafeEQ: lambda self, e: self.binary(e, "<=>"), 693 exp.NullSafeNEQ: lambda self, e: f"NOT {self.binary(e, '<=>')}", 694 exp.ParseJSON: lambda self, e: self.sql(e, "this"), 695 exp.Pivot: no_pivot_sql, 696 exp.Select: transforms.preprocess( 697 [ 698 transforms.eliminate_distinct_on, 699 transforms.eliminate_semi_and_anti_joins, 700 transforms.eliminate_qualify, 701 transforms.eliminate_full_outer_join, 702 ] 703 ), 704 exp.StrPosition: strposition_to_locate_sql, 705 exp.StrToDate: _str_to_date_sql, 706 exp.StrToTime: _str_to_date_sql, 707 exp.Stuff: rename_func("INSERT"), 708 exp.TableSample: no_tablesample_sql, 709 exp.TimeFromParts: rename_func("MAKETIME"), 710 exp.TimestampAdd: date_add_interval_sql("DATE", "ADD"), 711 exp.TimestampDiff: lambda self, e: self.func( 712 "TIMESTAMPDIFF", unit_to_var(e), e.expression, e.this 713 ), 714 exp.TimestampSub: date_add_interval_sql("DATE", "SUB"), 715 exp.TimeStrToUnix: rename_func("UNIX_TIMESTAMP"), 716 exp.TimeStrToTime: lambda self, e: self.sql( 717 exp.cast(e.this, exp.DataType.Type.DATETIME, copy=True) 718 ), 719 exp.TimeToStr: _remove_ts_or_ds_to_date( 720 lambda self, e: self.func("DATE_FORMAT", e.this, self.format_time(e)) 721 ), 722 exp.Trim: _trim_sql, 723 exp.TryCast: no_trycast_sql, 724 exp.TsOrDsAdd: date_add_sql("ADD"), 725 exp.TsOrDsDiff: lambda self, e: self.func("DATEDIFF", e.this, e.expression), 726 exp.TsOrDsToDate: _ts_or_ds_to_date_sql, 727 exp.UnixToTime: lambda self, e: self.func("FROM_UNIXTIME", e.this, self.format_time(e)), 728 exp.Week: _remove_ts_or_ds_to_date(), 729 exp.WeekOfYear: _remove_ts_or_ds_to_date(rename_func("WEEKOFYEAR")), 730 exp.Year: _remove_ts_or_ds_to_date(), 731 } 732 733 UNSIGNED_TYPE_MAPPING = { 734 exp.DataType.Type.UBIGINT: "BIGINT", 735 exp.DataType.Type.UINT: "INT", 736 exp.DataType.Type.UMEDIUMINT: "MEDIUMINT", 737 exp.DataType.Type.USMALLINT: "SMALLINT", 738 exp.DataType.Type.UTINYINT: "TINYINT", 739 exp.DataType.Type.UDECIMAL: "DECIMAL", 740 } 741 742 TIMESTAMP_TYPE_MAPPING = { 743 exp.DataType.Type.TIMESTAMP: "DATETIME", 744 exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP", 745 exp.DataType.Type.TIMESTAMPLTZ: "TIMESTAMP", 746 } 747 748 TYPE_MAPPING = { 749 **generator.Generator.TYPE_MAPPING, 750 **UNSIGNED_TYPE_MAPPING, 751 **TIMESTAMP_TYPE_MAPPING, 752 } 753 754 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT) 755 TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT) 756 TYPE_MAPPING.pop(exp.DataType.Type.TINYTEXT) 757 TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB) 758 TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB) 759 TYPE_MAPPING.pop(exp.DataType.Type.TINYBLOB) 760 761 PROPERTIES_LOCATION = { 762 **generator.Generator.PROPERTIES_LOCATION, 763 exp.TransientProperty: exp.Properties.Location.UNSUPPORTED, 764 exp.VolatileProperty: exp.Properties.Location.UNSUPPORTED, 765 } 766 767 LIMIT_FETCH = "LIMIT" 768 769 LIMIT_ONLY_LITERALS = True 770 771 CHAR_CAST_MAPPING = dict.fromkeys( 772 ( 773 exp.DataType.Type.LONGTEXT, 774 exp.DataType.Type.LONGBLOB, 775 exp.DataType.Type.MEDIUMBLOB, 776 exp.DataType.Type.MEDIUMTEXT, 777 exp.DataType.Type.TEXT, 778 exp.DataType.Type.TINYBLOB, 779 exp.DataType.Type.TINYTEXT, 780 exp.DataType.Type.VARCHAR, 781 ), 782 "CHAR", 783 ) 784 SIGNED_CAST_MAPPING = dict.fromkeys( 785 ( 786 exp.DataType.Type.BIGINT, 787 exp.DataType.Type.BOOLEAN, 788 exp.DataType.Type.INT, 789 exp.DataType.Type.SMALLINT, 790 exp.DataType.Type.TINYINT, 791 exp.DataType.Type.MEDIUMINT, 792 ), 793 "SIGNED", 794 ) 795 796 # MySQL doesn't support many datatypes in cast. 797 # https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html#function_cast 798 CAST_MAPPING = { 799 **CHAR_CAST_MAPPING, 800 **SIGNED_CAST_MAPPING, 801 exp.DataType.Type.UBIGINT: "UNSIGNED", 802 } 803 804 TIMESTAMP_FUNC_TYPES = { 805 exp.DataType.Type.TIMESTAMPTZ, 806 exp.DataType.Type.TIMESTAMPLTZ, 807 } 808 809 def extract_sql(self, expression: exp.Extract) -> str: 810 unit = expression.name 811 if unit and unit.lower() == "epoch": 812 return self.func("UNIX_TIMESTAMP", expression.expression) 813 814 return super().extract_sql(expression) 815 816 def datatype_sql(self, expression: exp.DataType) -> str: 817 # https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html 818 result = super().datatype_sql(expression) 819 if expression.this in self.UNSIGNED_TYPE_MAPPING: 820 result = f"{result} UNSIGNED" 821 return result 822 823 def jsonarraycontains_sql(self, expression: exp.JSONArrayContains) -> str: 824 return f"{self.sql(expression, 'this')} MEMBER OF({self.sql(expression, 'expression')})" 825 826 def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str: 827 if expression.to.this in self.TIMESTAMP_FUNC_TYPES: 828 return self.func("TIMESTAMP", expression.this) 829 830 to = self.CAST_MAPPING.get(expression.to.this) 831 832 if to: 833 expression.to.set("this", to) 834 return super().cast_sql(expression) 835 836 def show_sql(self, expression: exp.Show) -> str: 837 this = f" {expression.name}" 838 full = " FULL" if expression.args.get("full") else "" 839 global_ = " GLOBAL" if expression.args.get("global") else "" 840 841 target = self.sql(expression, "target") 842 target = f" {target}" if target else "" 843 if expression.name in ("COLUMNS", "INDEX"): 844 target = f" FROM{target}" 845 elif expression.name == "GRANTS": 846 target = f" FOR{target}" 847 848 db = self._prefixed_sql("FROM", expression, "db") 849 850 like = self._prefixed_sql("LIKE", expression, "like") 851 where = self.sql(expression, "where") 852 853 types = self.expressions(expression, key="types") 854 types = f" {types}" if types else types 855 query = self._prefixed_sql("FOR QUERY", expression, "query") 856 857 if expression.name == "PROFILE": 858 offset = self._prefixed_sql("OFFSET", expression, "offset") 859 limit = self._prefixed_sql("LIMIT", expression, "limit") 860 else: 861 offset = "" 862 limit = self._oldstyle_limit_sql(expression) 863 864 log = self._prefixed_sql("IN", expression, "log") 865 position = self._prefixed_sql("FROM", expression, "position") 866 867 channel = self._prefixed_sql("FOR CHANNEL", expression, "channel") 868 869 if expression.name == "ENGINE": 870 mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS" 871 else: 872 mutex_or_status = "" 873 874 return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}" 875 876 def altercolumn_sql(self, expression: exp.AlterColumn) -> str: 877 dtype = self.sql(expression, "dtype") 878 if not dtype: 879 return super().altercolumn_sql(expression) 880 881 this = self.sql(expression, "this") 882 return f"MODIFY COLUMN {this} {dtype}" 883 884 def _prefixed_sql(self, prefix: str, expression: exp.Expression, arg: str) -> str: 885 sql = self.sql(expression, arg) 886 return f" {prefix} {sql}" if sql else "" 887 888 def _oldstyle_limit_sql(self, expression: exp.Show) -> str: 889 limit = self.sql(expression, "limit") 890 offset = self.sql(expression, "offset") 891 if limit: 892 limit_offset = f"{offset}, {limit}" if offset else limit 893 return f" LIMIT {limit_offset}" 894 return "" 895 896 def chr_sql(self, expression: exp.Chr) -> str: 897 this = self.expressions(sqls=[expression.this] + expression.expressions) 898 charset = expression.args.get("charset") 899 using = f" USING {self.sql(charset)}" if charset else "" 900 return f"CHAR({this}{using})" 901 902 def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str: 903 unit = expression.args.get("unit") 904 905 # Pick an old-enough date to avoid negative timestamp diffs 906 start_ts = "'0000-01-01 00:00:00'" 907 908 # Source: https://stackoverflow.com/a/32955740 909 timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this]) 910 interval = exp.Interval(this=timestamp_diff, unit=unit) 911 dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval]) 912 913 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.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.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 MySQL.Generator.<lambda>>, <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.AlgorithmProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.AutoIncrementProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.AutoRefreshProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.BackupProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.BlockCompressionProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.CharacterSetProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ChecksumProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.CollateProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.CopyGrantsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Cluster'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ClusteredByProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DataBlocksizeProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.DefinerProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.DictRange'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DictProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DistKeyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.DistStyleProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.EngineProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ExecuteAsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ExternalProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.FallbackProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.FileFormatProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.FreespaceProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.GlobalProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.HeapProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.InheritsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.IcebergProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.InputModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.IsolatedLoadingProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.JournalProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.LanguageProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LikeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LocationProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LockProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.LockingProperty'>: <Location.POST_ALIAS: 'POST_ALIAS'>, <class 'sqlglot.expressions.LogProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.MaterializedProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.MergeBlockRatioProperty'>: <Location.POST_NAME: 'POST_NAME'>, <class 'sqlglot.expressions.NoPrimaryIndexProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.OnProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.OnCommitProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.Order'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.OutputModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.PartitionedByProperty'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.PartitionedOfProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.PrimaryKey'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Property'>: <Location.POST_WITH: 'POST_WITH'>, <class 'sqlglot.expressions.RemoteWithConnectionModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.ReturnsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatDelimitedProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.RowFormatSerdeProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SampleProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SchemaCommentProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SerdeProperties'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.Set'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SettingsProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SetProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.SetConfigProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SharingProperty'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.SequenceProperties'>: <Location.POST_EXPRESSION: 'POST_EXPRESSION'>, <class 'sqlglot.expressions.SortKeyProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SqlReadWriteProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.SqlSecurityProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.StabilityProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.TemporaryProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.ToTableProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.TransientProperty'>: <Location.UNSUPPORTED: 'UNSUPPORTED'>, <class 'sqlglot.expressions.TransformModelProperty'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.MergeTreeTTL'>: <Location.POST_SCHEMA: 'POST_SCHEMA'>, <class 'sqlglot.expressions.UnloggedProperty'>: <Location.POST_CREATE: 'POST_CREATE'>, <class 'sqlglot.expressions.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:
826 def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str: 827 if expression.to.this in self.TIMESTAMP_FUNC_TYPES: 828 return self.func("TIMESTAMP", expression.this) 829 830 to = self.CAST_MAPPING.get(expression.to.this) 831 832 if to: 833 expression.to.set("this", to) 834 return super().cast_sql(expression)
836 def show_sql(self, expression: exp.Show) -> str: 837 this = f" {expression.name}" 838 full = " FULL" if expression.args.get("full") else "" 839 global_ = " GLOBAL" if expression.args.get("global") else "" 840 841 target = self.sql(expression, "target") 842 target = f" {target}" if target else "" 843 if expression.name in ("COLUMNS", "INDEX"): 844 target = f" FROM{target}" 845 elif expression.name == "GRANTS": 846 target = f" FOR{target}" 847 848 db = self._prefixed_sql("FROM", expression, "db") 849 850 like = self._prefixed_sql("LIKE", expression, "like") 851 where = self.sql(expression, "where") 852 853 types = self.expressions(expression, key="types") 854 types = f" {types}" if types else types 855 query = self._prefixed_sql("FOR QUERY", expression, "query") 856 857 if expression.name == "PROFILE": 858 offset = self._prefixed_sql("OFFSET", expression, "offset") 859 limit = self._prefixed_sql("LIMIT", expression, "limit") 860 else: 861 offset = "" 862 limit = self._oldstyle_limit_sql(expression) 863 864 log = self._prefixed_sql("IN", expression, "log") 865 position = self._prefixed_sql("FROM", expression, "position") 866 867 channel = self._prefixed_sql("FOR CHANNEL", expression, "channel") 868 869 if expression.name == "ENGINE": 870 mutex_or_status = " MUTEX" if expression.args.get("mutex") else " STATUS" 871 else: 872 mutex_or_status = "" 873 874 return f"SHOW{full}{global_}{this}{target}{types}{db}{query}{log}{position}{channel}{mutex_or_status}{like}{where}{offset}{limit}"
902 def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str: 903 unit = expression.args.get("unit") 904 905 # Pick an old-enough date to avoid negative timestamp diffs 906 start_ts = "'0000-01-01 00:00:00'" 907 908 # Source: https://stackoverflow.com/a/32955740 909 timestamp_diff = build_date_delta(exp.TimestampDiff)([unit, start_ts, expression.this]) 910 interval = exp.Interval(this=timestamp_diff, unit=unit) 911 dateadd = build_date_delta_with_interval(exp.DateAdd)([start_ts, interval]) 912 913 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_MAPPING
- TIME_PART_SINGULARS
- TOKEN_MAPPING
- STRUCT_DELIMITER
- PARAMETER_TOKEN
- NAMED_PLACEHOLDER_TOKEN
- RESERVED_KEYWORDS
- WITH_SEPARATED_COMMENTS
- EXCLUDE_COMMENTS
- UNWRAPPED_INTERVAL_VALUES
- PARAMETERIZABLE_TEXT_TYPES
- EXPRESSIONS_WITHOUT_NESTED_CTES
- SENTINEL_LINE_BREAK
- pretty
- identify
- normalize
- pad
- unsupported_level
- max_unsupported
- leading_comma
- max_text_width
- comments
- dialect
- normalize_functions
- unsupported_messages
- generate
- preprocess
- unsupported
- sep
- seg
- pad_comment
- maybe_comment
- wrap
- no_identify
- normalize_func
- indent
- sql
- uncache_sql
- cache_sql
- characterset_sql
- column_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
- inputoutputformat_sql
- national_sql
- partition_sql
- properties_sql
- root_properties
- properties
- with_properties
- locate_properties
- property_name
- property_sql
- likeproperty_sql
- fallbackproperty_sql
- journalproperty_sql
- freespaceproperty_sql
- checksumproperty_sql
- mergeblockratioproperty_sql
- datablocksizeproperty_sql
- blockcompressionproperty_sql
- isolatedloadingproperty_sql
- partitionboundspec_sql
- partitionedofproperty_sql
- lockingproperty_sql
- withdataproperty_sql
- withsystemversioningproperty_sql
- insert_sql
- intersect_sql
- intersect_op
- introducer_sql
- kill_sql
- pseudotype_sql
- objectidentifier_sql
- onconflict_sql
- returning_sql
- rowformatdelimitedproperty_sql
- withtablehint_sql
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