sqlglot.dialects.redshift
1from __future__ import annotations 2 3import typing as t 4 5from sqlglot import exp, transforms 6from sqlglot.dialects.dialect import ( 7 NormalizationStrategy, 8 concat_to_dpipe_sql, 9 concat_ws_to_dpipe_sql, 10 date_delta_sql, 11 generatedasidentitycolumnconstraint_sql, 12 json_extract_segments, 13 no_tablesample_sql, 14 rename_func, 15 map_date_part, 16) 17from sqlglot.dialects.postgres import Postgres 18from sqlglot.helper import seq_get 19from sqlglot.tokens import TokenType 20 21if t.TYPE_CHECKING: 22 from sqlglot._typing import E 23 24 25def _build_date_delta(expr_type: t.Type[E]) -> t.Callable[[t.List], E]: 26 def _builder(args: t.List) -> E: 27 expr = expr_type( 28 this=seq_get(args, 2), 29 expression=seq_get(args, 1), 30 unit=map_date_part(seq_get(args, 0)), 31 ) 32 if expr_type is exp.TsOrDsAdd: 33 expr.set("return_type", exp.DataType.build("TIMESTAMP")) 34 35 return expr 36 37 return _builder 38 39 40class Redshift(Postgres): 41 # https://docs.aws.amazon.com/redshift/latest/dg/r_names.html 42 NORMALIZATION_STRATEGY = NormalizationStrategy.CASE_INSENSITIVE 43 44 SUPPORTS_USER_DEFINED_TYPES = False 45 INDEX_OFFSET = 0 46 COPY_PARAMS_ARE_CSV = False 47 HEX_LOWERCASE = True 48 49 TIME_FORMAT = "'YYYY-MM-DD HH:MI:SS'" 50 TIME_MAPPING = { 51 **Postgres.TIME_MAPPING, 52 "MON": "%b", 53 "HH": "%H", 54 } 55 56 class Parser(Postgres.Parser): 57 FUNCTIONS = { 58 **Postgres.Parser.FUNCTIONS, 59 "ADD_MONTHS": lambda args: exp.TsOrDsAdd( 60 this=seq_get(args, 0), 61 expression=seq_get(args, 1), 62 unit=exp.var("month"), 63 return_type=exp.DataType.build("TIMESTAMP"), 64 ), 65 "DATEADD": _build_date_delta(exp.TsOrDsAdd), 66 "DATE_ADD": _build_date_delta(exp.TsOrDsAdd), 67 "DATEDIFF": _build_date_delta(exp.TsOrDsDiff), 68 "DATE_DIFF": _build_date_delta(exp.TsOrDsDiff), 69 "GETDATE": exp.CurrentTimestamp.from_arg_list, 70 "LISTAGG": exp.GroupConcat.from_arg_list, 71 "SPLIT_TO_ARRAY": lambda args: exp.StringToArray( 72 this=seq_get(args, 0), expression=seq_get(args, 1) or exp.Literal.string(",") 73 ), 74 "STRTOL": exp.FromBase.from_arg_list, 75 } 76 77 NO_PAREN_FUNCTION_PARSERS = { 78 **Postgres.Parser.NO_PAREN_FUNCTION_PARSERS, 79 "APPROXIMATE": lambda self: self._parse_approximate_count(), 80 "SYSDATE": lambda self: self.expression(exp.CurrentTimestamp, transaction=True), 81 } 82 83 SUPPORTS_IMPLICIT_UNNEST = True 84 85 def _parse_table( 86 self, 87 schema: bool = False, 88 joins: bool = False, 89 alias_tokens: t.Optional[t.Collection[TokenType]] = None, 90 parse_bracket: bool = False, 91 is_db_reference: bool = False, 92 parse_partition: bool = False, 93 ) -> t.Optional[exp.Expression]: 94 # Redshift supports UNPIVOTing SUPER objects, e.g. `UNPIVOT foo.obj[0] AS val AT attr` 95 unpivot = self._match(TokenType.UNPIVOT) 96 table = super()._parse_table( 97 schema=schema, 98 joins=joins, 99 alias_tokens=alias_tokens, 100 parse_bracket=parse_bracket, 101 is_db_reference=is_db_reference, 102 ) 103 104 return self.expression(exp.Pivot, this=table, unpivot=True) if unpivot else table 105 106 def _parse_convert( 107 self, strict: bool, safe: t.Optional[bool] = None 108 ) -> t.Optional[exp.Expression]: 109 to = self._parse_types() 110 self._match(TokenType.COMMA) 111 this = self._parse_bitwise() 112 return self.expression(exp.TryCast, this=this, to=to, safe=safe) 113 114 def _parse_approximate_count(self) -> t.Optional[exp.ApproxDistinct]: 115 index = self._index - 1 116 func = self._parse_function() 117 118 if isinstance(func, exp.Count) and isinstance(func.this, exp.Distinct): 119 return self.expression(exp.ApproxDistinct, this=seq_get(func.this.expressions, 0)) 120 self._retreat(index) 121 return None 122 123 class Tokenizer(Postgres.Tokenizer): 124 BIT_STRINGS = [] 125 HEX_STRINGS = [] 126 STRING_ESCAPES = ["\\", "'"] 127 128 KEYWORDS = { 129 **Postgres.Tokenizer.KEYWORDS, 130 "(+)": TokenType.JOIN_MARKER, 131 "HLLSKETCH": TokenType.HLLSKETCH, 132 "MINUS": TokenType.EXCEPT, 133 "SUPER": TokenType.SUPER, 134 "TOP": TokenType.TOP, 135 "UNLOAD": TokenType.COMMAND, 136 "VARBYTE": TokenType.VARBINARY, 137 } 138 KEYWORDS.pop("VALUES") 139 140 # Redshift allows # to appear as a table identifier prefix 141 SINGLE_TOKENS = Postgres.Tokenizer.SINGLE_TOKENS.copy() 142 SINGLE_TOKENS.pop("#") 143 144 class Generator(Postgres.Generator): 145 LOCKING_READS_SUPPORTED = False 146 QUERY_HINTS = False 147 VALUES_AS_TABLE = False 148 TZ_TO_WITH_TIME_ZONE = True 149 NVL2_SUPPORTED = True 150 LAST_DAY_SUPPORTS_DATE_PART = False 151 CAN_IMPLEMENT_ARRAY_ANY = False 152 MULTI_ARG_DISTINCT = True 153 COPY_PARAMS_ARE_WRAPPED = False 154 HEX_FUNC = "TO_HEX" 155 # Redshift doesn't have `WITH` as part of their with_properties so we remove it 156 WITH_PROPERTIES_PREFIX = " " 157 158 TYPE_MAPPING = { 159 **Postgres.Generator.TYPE_MAPPING, 160 exp.DataType.Type.BINARY: "VARBYTE", 161 exp.DataType.Type.INT: "INTEGER", 162 exp.DataType.Type.TIMETZ: "TIME", 163 exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP", 164 exp.DataType.Type.VARBINARY: "VARBYTE", 165 exp.DataType.Type.ROWVERSION: "VARBYTE", 166 } 167 168 TRANSFORMS = { 169 **Postgres.Generator.TRANSFORMS, 170 exp.Concat: concat_to_dpipe_sql, 171 exp.ConcatWs: concat_ws_to_dpipe_sql, 172 exp.ApproxDistinct: lambda self, 173 e: f"APPROXIMATE COUNT(DISTINCT {self.sql(e, 'this')})", 174 exp.CurrentTimestamp: lambda self, e: ( 175 "SYSDATE" if e.args.get("transaction") else "GETDATE()" 176 ), 177 exp.DateAdd: date_delta_sql("DATEADD"), 178 exp.DateDiff: date_delta_sql("DATEDIFF"), 179 exp.DistKeyProperty: lambda self, e: self.func("DISTKEY", e.this), 180 exp.DistStyleProperty: lambda self, e: self.naked_property(e), 181 exp.FromBase: rename_func("STRTOL"), 182 exp.GeneratedAsIdentityColumnConstraint: generatedasidentitycolumnconstraint_sql, 183 exp.JSONExtract: json_extract_segments("JSON_EXTRACT_PATH_TEXT"), 184 exp.JSONExtractScalar: json_extract_segments("JSON_EXTRACT_PATH_TEXT"), 185 exp.GroupConcat: rename_func("LISTAGG"), 186 exp.Hex: lambda self, e: self.func("UPPER", self.func("TO_HEX", self.sql(e, "this"))), 187 exp.ParseJSON: rename_func("JSON_PARSE"), 188 exp.Select: transforms.preprocess( 189 [ 190 transforms.eliminate_distinct_on, 191 transforms.eliminate_semi_and_anti_joins, 192 transforms.unqualify_unnest, 193 ] 194 ), 195 exp.SortKeyProperty: lambda self, 196 e: f"{'COMPOUND ' if e.args['compound'] else ''}SORTKEY({self.format_args(*e.this)})", 197 exp.StartsWith: lambda self, 198 e: f"{self.sql(e.this)} LIKE {self.sql(e.expression)} || '%'", 199 exp.StringToArray: rename_func("SPLIT_TO_ARRAY"), 200 exp.TableSample: no_tablesample_sql, 201 exp.TsOrDsAdd: date_delta_sql("DATEADD"), 202 exp.TsOrDsDiff: date_delta_sql("DATEDIFF"), 203 exp.UnixToTime: lambda self, 204 e: f"(TIMESTAMP 'epoch' + {self.sql(e.this)} * INTERVAL '1 SECOND')", 205 } 206 207 # Postgres maps exp.Pivot to no_pivot_sql, but Redshift support pivots 208 TRANSFORMS.pop(exp.Pivot) 209 210 # Redshift uses the POW | POWER (expr1, expr2) syntax instead of expr1 ^ expr2 (postgres) 211 TRANSFORMS.pop(exp.Pow) 212 213 # Redshift supports ANY_VALUE(..) 214 TRANSFORMS.pop(exp.AnyValue) 215 216 # Redshift supports LAST_DAY(..) 217 TRANSFORMS.pop(exp.LastDay) 218 TRANSFORMS.pop(exp.SHA2) 219 220 RESERVED_KEYWORDS = { 221 "aes128", 222 "aes256", 223 "all", 224 "allowoverwrite", 225 "analyse", 226 "analyze", 227 "and", 228 "any", 229 "array", 230 "as", 231 "asc", 232 "authorization", 233 "az64", 234 "backup", 235 "between", 236 "binary", 237 "blanksasnull", 238 "both", 239 "bytedict", 240 "bzip2", 241 "case", 242 "cast", 243 "check", 244 "collate", 245 "column", 246 "constraint", 247 "create", 248 "credentials", 249 "cross", 250 "current_date", 251 "current_time", 252 "current_timestamp", 253 "current_user", 254 "current_user_id", 255 "default", 256 "deferrable", 257 "deflate", 258 "defrag", 259 "delta", 260 "delta32k", 261 "desc", 262 "disable", 263 "distinct", 264 "do", 265 "else", 266 "emptyasnull", 267 "enable", 268 "encode", 269 "encrypt ", 270 "encryption", 271 "end", 272 "except", 273 "explicit", 274 "false", 275 "for", 276 "foreign", 277 "freeze", 278 "from", 279 "full", 280 "globaldict256", 281 "globaldict64k", 282 "grant", 283 "group", 284 "gzip", 285 "having", 286 "identity", 287 "ignore", 288 "ilike", 289 "in", 290 "initially", 291 "inner", 292 "intersect", 293 "interval", 294 "into", 295 "is", 296 "isnull", 297 "join", 298 "leading", 299 "left", 300 "like", 301 "limit", 302 "localtime", 303 "localtimestamp", 304 "lun", 305 "luns", 306 "lzo", 307 "lzop", 308 "minus", 309 "mostly16", 310 "mostly32", 311 "mostly8", 312 "natural", 313 "new", 314 "not", 315 "notnull", 316 "null", 317 "nulls", 318 "off", 319 "offline", 320 "offset", 321 "oid", 322 "old", 323 "on", 324 "only", 325 "open", 326 "or", 327 "order", 328 "outer", 329 "overlaps", 330 "parallel", 331 "partition", 332 "percent", 333 "permissions", 334 "pivot", 335 "placing", 336 "primary", 337 "raw", 338 "readratio", 339 "recover", 340 "references", 341 "rejectlog", 342 "resort", 343 "respect", 344 "restore", 345 "right", 346 "select", 347 "session_user", 348 "similar", 349 "snapshot", 350 "some", 351 "sysdate", 352 "system", 353 "table", 354 "tag", 355 "tdes", 356 "text255", 357 "text32k", 358 "then", 359 "timestamp", 360 "to", 361 "top", 362 "trailing", 363 "true", 364 "truncatecolumns", 365 "type", 366 "union", 367 "unique", 368 "unnest", 369 "unpivot", 370 "user", 371 "using", 372 "verbose", 373 "wallet", 374 "when", 375 "where", 376 "with", 377 "without", 378 } 379 380 def unnest_sql(self, expression: exp.Unnest) -> str: 381 args = expression.expressions 382 num_args = len(args) 383 384 if num_args > 1: 385 self.unsupported(f"Unsupported number of arguments in UNNEST: {num_args}") 386 return "" 387 388 arg = self.sql(seq_get(args, 0)) 389 alias = self.expressions(expression.args.get("alias"), key="columns", flat=True) 390 return f"{arg} AS {alias}" if alias else arg 391 392 def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str: 393 if expression.is_type(exp.DataType.Type.JSON): 394 # Redshift doesn't support a JSON type, so casting to it is treated as a noop 395 return self.sql(expression, "this") 396 397 return super().cast_sql(expression, safe_prefix=safe_prefix) 398 399 def datatype_sql(self, expression: exp.DataType) -> str: 400 """ 401 Redshift converts the `TEXT` data type to `VARCHAR(255)` by default when people more generally mean 402 VARCHAR of max length which is `VARCHAR(max)` in Redshift. Therefore if we get a `TEXT` data type 403 without precision we convert it to `VARCHAR(max)` and if it does have precision then we just convert 404 `TEXT` to `VARCHAR`. 405 """ 406 if expression.is_type("text"): 407 expression.set("this", exp.DataType.Type.VARCHAR) 408 precision = expression.args.get("expressions") 409 410 if not precision: 411 expression.append("expressions", exp.var("MAX")) 412 413 return super().datatype_sql(expression) 414 415 def alterset_sql(self, expression: exp.AlterSet) -> str: 416 exprs = self.expressions(expression, flat=True) 417 exprs = f" TABLE PROPERTIES ({exprs})" if exprs else "" 418 location = self.sql(expression, "location") 419 location = f" LOCATION {location}" if location else "" 420 file_format = self.expressions(expression, key="file_format", flat=True, sep=" ") 421 file_format = f" FILE FORMAT {file_format}" if file_format else "" 422 423 return f"SET{exprs}{location}{file_format}"
41class Redshift(Postgres): 42 # https://docs.aws.amazon.com/redshift/latest/dg/r_names.html 43 NORMALIZATION_STRATEGY = NormalizationStrategy.CASE_INSENSITIVE 44 45 SUPPORTS_USER_DEFINED_TYPES = False 46 INDEX_OFFSET = 0 47 COPY_PARAMS_ARE_CSV = False 48 HEX_LOWERCASE = True 49 50 TIME_FORMAT = "'YYYY-MM-DD HH:MI:SS'" 51 TIME_MAPPING = { 52 **Postgres.TIME_MAPPING, 53 "MON": "%b", 54 "HH": "%H", 55 } 56 57 class Parser(Postgres.Parser): 58 FUNCTIONS = { 59 **Postgres.Parser.FUNCTIONS, 60 "ADD_MONTHS": lambda args: exp.TsOrDsAdd( 61 this=seq_get(args, 0), 62 expression=seq_get(args, 1), 63 unit=exp.var("month"), 64 return_type=exp.DataType.build("TIMESTAMP"), 65 ), 66 "DATEADD": _build_date_delta(exp.TsOrDsAdd), 67 "DATE_ADD": _build_date_delta(exp.TsOrDsAdd), 68 "DATEDIFF": _build_date_delta(exp.TsOrDsDiff), 69 "DATE_DIFF": _build_date_delta(exp.TsOrDsDiff), 70 "GETDATE": exp.CurrentTimestamp.from_arg_list, 71 "LISTAGG": exp.GroupConcat.from_arg_list, 72 "SPLIT_TO_ARRAY": lambda args: exp.StringToArray( 73 this=seq_get(args, 0), expression=seq_get(args, 1) or exp.Literal.string(",") 74 ), 75 "STRTOL": exp.FromBase.from_arg_list, 76 } 77 78 NO_PAREN_FUNCTION_PARSERS = { 79 **Postgres.Parser.NO_PAREN_FUNCTION_PARSERS, 80 "APPROXIMATE": lambda self: self._parse_approximate_count(), 81 "SYSDATE": lambda self: self.expression(exp.CurrentTimestamp, transaction=True), 82 } 83 84 SUPPORTS_IMPLICIT_UNNEST = True 85 86 def _parse_table( 87 self, 88 schema: bool = False, 89 joins: bool = False, 90 alias_tokens: t.Optional[t.Collection[TokenType]] = None, 91 parse_bracket: bool = False, 92 is_db_reference: bool = False, 93 parse_partition: bool = False, 94 ) -> t.Optional[exp.Expression]: 95 # Redshift supports UNPIVOTing SUPER objects, e.g. `UNPIVOT foo.obj[0] AS val AT attr` 96 unpivot = self._match(TokenType.UNPIVOT) 97 table = super()._parse_table( 98 schema=schema, 99 joins=joins, 100 alias_tokens=alias_tokens, 101 parse_bracket=parse_bracket, 102 is_db_reference=is_db_reference, 103 ) 104 105 return self.expression(exp.Pivot, this=table, unpivot=True) if unpivot else table 106 107 def _parse_convert( 108 self, strict: bool, safe: t.Optional[bool] = None 109 ) -> t.Optional[exp.Expression]: 110 to = self._parse_types() 111 self._match(TokenType.COMMA) 112 this = self._parse_bitwise() 113 return self.expression(exp.TryCast, this=this, to=to, safe=safe) 114 115 def _parse_approximate_count(self) -> t.Optional[exp.ApproxDistinct]: 116 index = self._index - 1 117 func = self._parse_function() 118 119 if isinstance(func, exp.Count) and isinstance(func.this, exp.Distinct): 120 return self.expression(exp.ApproxDistinct, this=seq_get(func.this.expressions, 0)) 121 self._retreat(index) 122 return None 123 124 class Tokenizer(Postgres.Tokenizer): 125 BIT_STRINGS = [] 126 HEX_STRINGS = [] 127 STRING_ESCAPES = ["\\", "'"] 128 129 KEYWORDS = { 130 **Postgres.Tokenizer.KEYWORDS, 131 "(+)": TokenType.JOIN_MARKER, 132 "HLLSKETCH": TokenType.HLLSKETCH, 133 "MINUS": TokenType.EXCEPT, 134 "SUPER": TokenType.SUPER, 135 "TOP": TokenType.TOP, 136 "UNLOAD": TokenType.COMMAND, 137 "VARBYTE": TokenType.VARBINARY, 138 } 139 KEYWORDS.pop("VALUES") 140 141 # Redshift allows # to appear as a table identifier prefix 142 SINGLE_TOKENS = Postgres.Tokenizer.SINGLE_TOKENS.copy() 143 SINGLE_TOKENS.pop("#") 144 145 class Generator(Postgres.Generator): 146 LOCKING_READS_SUPPORTED = False 147 QUERY_HINTS = False 148 VALUES_AS_TABLE = False 149 TZ_TO_WITH_TIME_ZONE = True 150 NVL2_SUPPORTED = True 151 LAST_DAY_SUPPORTS_DATE_PART = False 152 CAN_IMPLEMENT_ARRAY_ANY = False 153 MULTI_ARG_DISTINCT = True 154 COPY_PARAMS_ARE_WRAPPED = False 155 HEX_FUNC = "TO_HEX" 156 # Redshift doesn't have `WITH` as part of their with_properties so we remove it 157 WITH_PROPERTIES_PREFIX = " " 158 159 TYPE_MAPPING = { 160 **Postgres.Generator.TYPE_MAPPING, 161 exp.DataType.Type.BINARY: "VARBYTE", 162 exp.DataType.Type.INT: "INTEGER", 163 exp.DataType.Type.TIMETZ: "TIME", 164 exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP", 165 exp.DataType.Type.VARBINARY: "VARBYTE", 166 exp.DataType.Type.ROWVERSION: "VARBYTE", 167 } 168 169 TRANSFORMS = { 170 **Postgres.Generator.TRANSFORMS, 171 exp.Concat: concat_to_dpipe_sql, 172 exp.ConcatWs: concat_ws_to_dpipe_sql, 173 exp.ApproxDistinct: lambda self, 174 e: f"APPROXIMATE COUNT(DISTINCT {self.sql(e, 'this')})", 175 exp.CurrentTimestamp: lambda self, e: ( 176 "SYSDATE" if e.args.get("transaction") else "GETDATE()" 177 ), 178 exp.DateAdd: date_delta_sql("DATEADD"), 179 exp.DateDiff: date_delta_sql("DATEDIFF"), 180 exp.DistKeyProperty: lambda self, e: self.func("DISTKEY", e.this), 181 exp.DistStyleProperty: lambda self, e: self.naked_property(e), 182 exp.FromBase: rename_func("STRTOL"), 183 exp.GeneratedAsIdentityColumnConstraint: generatedasidentitycolumnconstraint_sql, 184 exp.JSONExtract: json_extract_segments("JSON_EXTRACT_PATH_TEXT"), 185 exp.JSONExtractScalar: json_extract_segments("JSON_EXTRACT_PATH_TEXT"), 186 exp.GroupConcat: rename_func("LISTAGG"), 187 exp.Hex: lambda self, e: self.func("UPPER", self.func("TO_HEX", self.sql(e, "this"))), 188 exp.ParseJSON: rename_func("JSON_PARSE"), 189 exp.Select: transforms.preprocess( 190 [ 191 transforms.eliminate_distinct_on, 192 transforms.eliminate_semi_and_anti_joins, 193 transforms.unqualify_unnest, 194 ] 195 ), 196 exp.SortKeyProperty: lambda self, 197 e: f"{'COMPOUND ' if e.args['compound'] else ''}SORTKEY({self.format_args(*e.this)})", 198 exp.StartsWith: lambda self, 199 e: f"{self.sql(e.this)} LIKE {self.sql(e.expression)} || '%'", 200 exp.StringToArray: rename_func("SPLIT_TO_ARRAY"), 201 exp.TableSample: no_tablesample_sql, 202 exp.TsOrDsAdd: date_delta_sql("DATEADD"), 203 exp.TsOrDsDiff: date_delta_sql("DATEDIFF"), 204 exp.UnixToTime: lambda self, 205 e: f"(TIMESTAMP 'epoch' + {self.sql(e.this)} * INTERVAL '1 SECOND')", 206 } 207 208 # Postgres maps exp.Pivot to no_pivot_sql, but Redshift support pivots 209 TRANSFORMS.pop(exp.Pivot) 210 211 # Redshift uses the POW | POWER (expr1, expr2) syntax instead of expr1 ^ expr2 (postgres) 212 TRANSFORMS.pop(exp.Pow) 213 214 # Redshift supports ANY_VALUE(..) 215 TRANSFORMS.pop(exp.AnyValue) 216 217 # Redshift supports LAST_DAY(..) 218 TRANSFORMS.pop(exp.LastDay) 219 TRANSFORMS.pop(exp.SHA2) 220 221 RESERVED_KEYWORDS = { 222 "aes128", 223 "aes256", 224 "all", 225 "allowoverwrite", 226 "analyse", 227 "analyze", 228 "and", 229 "any", 230 "array", 231 "as", 232 "asc", 233 "authorization", 234 "az64", 235 "backup", 236 "between", 237 "binary", 238 "blanksasnull", 239 "both", 240 "bytedict", 241 "bzip2", 242 "case", 243 "cast", 244 "check", 245 "collate", 246 "column", 247 "constraint", 248 "create", 249 "credentials", 250 "cross", 251 "current_date", 252 "current_time", 253 "current_timestamp", 254 "current_user", 255 "current_user_id", 256 "default", 257 "deferrable", 258 "deflate", 259 "defrag", 260 "delta", 261 "delta32k", 262 "desc", 263 "disable", 264 "distinct", 265 "do", 266 "else", 267 "emptyasnull", 268 "enable", 269 "encode", 270 "encrypt ", 271 "encryption", 272 "end", 273 "except", 274 "explicit", 275 "false", 276 "for", 277 "foreign", 278 "freeze", 279 "from", 280 "full", 281 "globaldict256", 282 "globaldict64k", 283 "grant", 284 "group", 285 "gzip", 286 "having", 287 "identity", 288 "ignore", 289 "ilike", 290 "in", 291 "initially", 292 "inner", 293 "intersect", 294 "interval", 295 "into", 296 "is", 297 "isnull", 298 "join", 299 "leading", 300 "left", 301 "like", 302 "limit", 303 "localtime", 304 "localtimestamp", 305 "lun", 306 "luns", 307 "lzo", 308 "lzop", 309 "minus", 310 "mostly16", 311 "mostly32", 312 "mostly8", 313 "natural", 314 "new", 315 "not", 316 "notnull", 317 "null", 318 "nulls", 319 "off", 320 "offline", 321 "offset", 322 "oid", 323 "old", 324 "on", 325 "only", 326 "open", 327 "or", 328 "order", 329 "outer", 330 "overlaps", 331 "parallel", 332 "partition", 333 "percent", 334 "permissions", 335 "pivot", 336 "placing", 337 "primary", 338 "raw", 339 "readratio", 340 "recover", 341 "references", 342 "rejectlog", 343 "resort", 344 "respect", 345 "restore", 346 "right", 347 "select", 348 "session_user", 349 "similar", 350 "snapshot", 351 "some", 352 "sysdate", 353 "system", 354 "table", 355 "tag", 356 "tdes", 357 "text255", 358 "text32k", 359 "then", 360 "timestamp", 361 "to", 362 "top", 363 "trailing", 364 "true", 365 "truncatecolumns", 366 "type", 367 "union", 368 "unique", 369 "unnest", 370 "unpivot", 371 "user", 372 "using", 373 "verbose", 374 "wallet", 375 "when", 376 "where", 377 "with", 378 "without", 379 } 380 381 def unnest_sql(self, expression: exp.Unnest) -> str: 382 args = expression.expressions 383 num_args = len(args) 384 385 if num_args > 1: 386 self.unsupported(f"Unsupported number of arguments in UNNEST: {num_args}") 387 return "" 388 389 arg = self.sql(seq_get(args, 0)) 390 alias = self.expressions(expression.args.get("alias"), key="columns", flat=True) 391 return f"{arg} AS {alias}" if alias else arg 392 393 def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str: 394 if expression.is_type(exp.DataType.Type.JSON): 395 # Redshift doesn't support a JSON type, so casting to it is treated as a noop 396 return self.sql(expression, "this") 397 398 return super().cast_sql(expression, safe_prefix=safe_prefix) 399 400 def datatype_sql(self, expression: exp.DataType) -> str: 401 """ 402 Redshift converts the `TEXT` data type to `VARCHAR(255)` by default when people more generally mean 403 VARCHAR of max length which is `VARCHAR(max)` in Redshift. Therefore if we get a `TEXT` data type 404 without precision we convert it to `VARCHAR(max)` and if it does have precision then we just convert 405 `TEXT` to `VARCHAR`. 406 """ 407 if expression.is_type("text"): 408 expression.set("this", exp.DataType.Type.VARCHAR) 409 precision = expression.args.get("expressions") 410 411 if not precision: 412 expression.append("expressions", exp.var("MAX")) 413 414 return super().datatype_sql(expression) 415 416 def alterset_sql(self, expression: exp.AlterSet) -> str: 417 exprs = self.expressions(expression, flat=True) 418 exprs = f" TABLE PROPERTIES ({exprs})" if exprs else "" 419 location = self.sql(expression, "location") 420 location = f" LOCATION {location}" if location else "" 421 file_format = self.expressions(expression, key="file_format", flat=True, sep=" ") 422 file_format = f" FILE FORMAT {file_format}" if file_format else "" 423 424 return f"SET{exprs}{location}{file_format}"
NORMALIZATION_STRATEGY =
<NormalizationStrategy.CASE_INSENSITIVE: 'CASE_INSENSITIVE'>
Specifies the strategy according to which identifiers should be normalized.
TIME_MAPPING: Dict[str, str] =
{'AM': '%p', 'PM': '%p', 'D': '%u', 'DD': '%d', 'DDD': '%j', 'FMDD': '%-d', 'FMDDD': '%-j', 'FMHH12': '%-I', 'FMHH24': '%-H', 'FMMI': '%-M', 'FMMM': '%-m', 'FMSS': '%-S', 'HH12': '%I', 'HH24': '%H', 'MI': '%M', 'MM': '%m', 'OF': '%z', 'SS': '%S', 'TMDay': '%A', 'TMDy': '%a', 'TMMon': '%b', 'TMMonth': '%B', 'TZ': '%Z', 'US': '%f', 'WW': '%U', 'YY': '%y', 'YYYY': '%Y', 'MON': '%b', 'HH': '%H'}
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 'Redshift.Tokenizer'>
parser_class =
<class 'Redshift.Parser'>
generator_class =
<class 'Redshift.Generator'>
TIME_TRIE: Dict =
{'A': {'M': {0: True}}, 'P': {'M': {0: True}}, 'D': {0: True, 'D': {0: True, 'D': {0: True}}}, 'F': {'M': {'D': {'D': {0: True, 'D': {0: True}}}, 'H': {'H': {'1': {'2': {0: True}}, '2': {'4': {0: True}}}}, 'M': {'I': {0: True}, 'M': {0: True}}, 'S': {'S': {0: True}}}}, 'H': {'H': {'1': {'2': {0: True}}, '2': {'4': {0: True}}, 0: True}}, 'M': {'I': {0: True}, 'M': {0: True}, 'O': {'N': {0: True}}}, 'O': {'F': {0: True}}, 'S': {'S': {0: True}}, 'T': {'M': {'D': {'a': {'y': {0: True}}, 'y': {0: True}}, 'M': {'o': {'n': {0: True, 't': {'h': {0: True}}}}}}, 'Z': {0: True}}, 'U': {'S': {0: True}}, 'W': {'W': {0: True}}, 'Y': {'Y': {0: True, 'Y': {'Y': {0: True}}}}}
FORMAT_TRIE: Dict =
{'A': {'M': {0: True}}, 'P': {'M': {0: True}}, 'D': {0: True, 'D': {0: True, 'D': {0: True}}}, 'F': {'M': {'D': {'D': {0: True, 'D': {0: True}}}, 'H': {'H': {'1': {'2': {0: True}}, '2': {'4': {0: True}}}}, 'M': {'I': {0: True}, 'M': {0: True}}, 'S': {'S': {0: True}}}}, 'H': {'H': {'1': {'2': {0: True}}, '2': {'4': {0: True}}, 0: True}}, 'M': {'I': {0: True}, 'M': {0: True}, 'O': {'N': {0: True}}}, 'O': {'F': {0: True}}, 'S': {'S': {0: True}}, 'T': {'M': {'D': {'a': {'y': {0: True}}, 'y': {0: True}}, 'M': {'o': {'n': {0: True, 't': {'h': {0: True}}}}}}, 'Z': {0: True}}, 'U': {'S': {0: True}}, 'W': {'W': {0: True}}, 'Y': {'Y': {0: True, 'Y': {'Y': {0: True}}}}}
INVERSE_TIME_MAPPING: Dict[str, str] =
{'%p': 'PM', '%u': 'D', '%d': 'DD', '%j': 'DDD', '%-d': 'FMDD', '%-j': 'FMDDD', '%-I': 'FMHH12', '%-H': 'FMHH24', '%-M': 'FMMI', '%-m': 'FMMM', '%-S': 'FMSS', '%I': 'HH12', '%H': 'HH', '%M': 'MI', '%m': 'MM', '%z': 'OF', '%S': 'SS', '%A': 'TMDay', '%a': 'TMDy', '%b': 'MON', '%B': 'TMMonth', '%Z': 'TZ', '%f': 'US', '%U': 'WW', '%y': 'YY', '%Y': 'YYYY'}
INVERSE_TIME_TRIE: Dict =
{'%': {'p': {0: True}, 'u': {0: True}, 'd': {0: True}, 'j': {0: True}, '-': {'d': {0: True}, 'j': {0: True}, 'I': {0: True}, 'H': {0: True}, 'M': {0: True}, 'm': {0: True}, 'S': {0: True}}, 'I': {0: True}, 'H': {0: True}, 'M': {0: True}, 'm': {0: True}, 'z': {0: True}, 'S': {0: True}, 'A': {0: True}, 'a': {0: True}, 'b': {0: True}, 'B': {0: True}, 'Z': {0: True}, 'f': {0: True}, 'U': {0: True}, 'y': {0: True}, 'Y': {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
- WEEK_OFFSET
- UNNEST_COLUMN_ONLY
- ALIAS_POST_TABLESAMPLE
- IDENTIFIERS_CAN_START_WITH_DIGIT
- DPIPE_IS_STRING_CONCAT
- STRICT_STRING_CONCAT
- SUPPORTS_SEMI_ANTI_JOIN
- NORMALIZE_FUNCTIONS
- LOG_BASE_FIRST
- SAFE_DIVISION
- DATE_FORMAT
- DATEINT_FORMAT
- FORMAT_MAPPING
- PSEUDOCOLUMNS
- PREFER_CTE_ALIAS_COLUMN
- DATE_PART_MAPPING
- get_or_raise
- format_time
- settings
- normalize_identifier
- case_sensitive
- can_identify
- quote_identifier
- to_json_path
- parse
- parse_into
- generate
- transpile
- tokenize
- tokenizer
- jsonpath_tokenizer
- parser
- generator
57 class Parser(Postgres.Parser): 58 FUNCTIONS = { 59 **Postgres.Parser.FUNCTIONS, 60 "ADD_MONTHS": lambda args: exp.TsOrDsAdd( 61 this=seq_get(args, 0), 62 expression=seq_get(args, 1), 63 unit=exp.var("month"), 64 return_type=exp.DataType.build("TIMESTAMP"), 65 ), 66 "DATEADD": _build_date_delta(exp.TsOrDsAdd), 67 "DATE_ADD": _build_date_delta(exp.TsOrDsAdd), 68 "DATEDIFF": _build_date_delta(exp.TsOrDsDiff), 69 "DATE_DIFF": _build_date_delta(exp.TsOrDsDiff), 70 "GETDATE": exp.CurrentTimestamp.from_arg_list, 71 "LISTAGG": exp.GroupConcat.from_arg_list, 72 "SPLIT_TO_ARRAY": lambda args: exp.StringToArray( 73 this=seq_get(args, 0), expression=seq_get(args, 1) or exp.Literal.string(",") 74 ), 75 "STRTOL": exp.FromBase.from_arg_list, 76 } 77 78 NO_PAREN_FUNCTION_PARSERS = { 79 **Postgres.Parser.NO_PAREN_FUNCTION_PARSERS, 80 "APPROXIMATE": lambda self: self._parse_approximate_count(), 81 "SYSDATE": lambda self: self.expression(exp.CurrentTimestamp, transaction=True), 82 } 83 84 SUPPORTS_IMPLICIT_UNNEST = True 85 86 def _parse_table( 87 self, 88 schema: bool = False, 89 joins: bool = False, 90 alias_tokens: t.Optional[t.Collection[TokenType]] = None, 91 parse_bracket: bool = False, 92 is_db_reference: bool = False, 93 parse_partition: bool = False, 94 ) -> t.Optional[exp.Expression]: 95 # Redshift supports UNPIVOTing SUPER objects, e.g. `UNPIVOT foo.obj[0] AS val AT attr` 96 unpivot = self._match(TokenType.UNPIVOT) 97 table = super()._parse_table( 98 schema=schema, 99 joins=joins, 100 alias_tokens=alias_tokens, 101 parse_bracket=parse_bracket, 102 is_db_reference=is_db_reference, 103 ) 104 105 return self.expression(exp.Pivot, this=table, unpivot=True) if unpivot else table 106 107 def _parse_convert( 108 self, strict: bool, safe: t.Optional[bool] = None 109 ) -> t.Optional[exp.Expression]: 110 to = self._parse_types() 111 self._match(TokenType.COMMA) 112 this = self._parse_bitwise() 113 return self.expression(exp.TryCast, this=this, to=to, safe=safe) 114 115 def _parse_approximate_count(self) -> t.Optional[exp.ApproxDistinct]: 116 index = self._index - 1 117 func = self._parse_function() 118 119 if isinstance(func, exp.Count) and isinstance(func.this, exp.Distinct): 120 return self.expression(exp.ApproxDistinct, this=seq_get(func.this.expressions, 0)) 121 self._retreat(index) 122 return None
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
FUNCTIONS =
{'ABS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Abs'>>, 'ADD_MONTHS': <function Redshift.Parser.<lambda>>, 'ANONYMOUS_AGG_FUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.AnonymousAggFunc'>>, 'ANY_VALUE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.AnyValue'>>, 'APPROX_DISTINCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxDistinct'>>, 'APPROX_COUNT_DISTINCT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxDistinct'>>, 'APPROX_QUANTILE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxQuantile'>>, 'APPROX_TOP_K': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ApproxTopK'>>, 'ARG_MAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'ARGMAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'MAX_BY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMax'>>, 'ARG_MIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'ARGMIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'MIN_BY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArgMin'>>, 'ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Array'>>, 'ARRAY_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAgg'>>, 'ARRAY_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAll'>>, 'ARRAY_ANY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayAny'>>, 'ARRAY_CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConcat'>>, 'ARRAY_CONSTRUCT_COMPACT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayConstructCompact'>>, 'ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContains'>>, 'ARRAY_HAS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContains'>>, 'ARRAY_CONTAINS_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContainsAll'>>, 'ARRAY_HAS_ALL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ArrayContainsAll'>>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Date'>>, 'DATE_ADD': <function _build_date_delta.<locals>._builder>, 'DATEDIFF': <function _build_date_delta.<locals>._builder>, 'DATE_DIFF': <function _build_date_delta.<locals>._builder>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateSub'>>, 'DATE_TO_DATE_STR': <function Parser.<lambda>>, 'DATE_TO_DI': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DateToDi'>>, 'DATE_TRUNC': <function build_timestamp_trunc>, 'DATETIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Datetime'>>, 'DATETIME_ADD': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeAdd'>>, 'DATETIME_DIFF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeDiff'>>, 'DATETIME_SUB': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeSub'>>, 'DATETIME_TRUNC': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DatetimeTrunc'>>, 'DAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Day'>>, 'DAY_OF_MONTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfMonth'>>, 'DAYOFMONTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfMonth'>>, 'DAY_OF_WEEK': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfWeek'>>, 'DAYOFWEEK': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfWeek'>>, 'DAY_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfYear'>>, 'DAYOFYEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DayOfYear'>>, 'DECODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Decode'>>, 'DI_TO_DATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.DiToDate'>>, 'ENCODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Encode'>>, 'EXP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Exp'>>, 'EXPLODE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Explode'>>, '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'>>, 'GAP_FILL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GapFill'>>, 'GENERATE_DATE_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GenerateDateArray'>>, 'GENERATE_SERIES': <function _build_generate_series>, 'GREATEST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Greatest'>>, 'GROUP_CONCAT': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GroupConcat'>>, 'HEX': <function build_hex>, 'HLL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Hll'>>, 'IF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.If'>>, 'IIF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.If'>>, 'INITCAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Initcap'>>, 'IS_INF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsInf'>>, 'ISINF': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsInf'>>, 'IS_NAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsNan'>>, 'ISNAN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.IsNan'>>, 'J_S_O_N_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArray'>>, 'J_S_O_N_ARRAY_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayAgg'>>, 'JSON_ARRAY_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONArrayContains'>>, 'JSONB_CONTAINS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.JSONBContains'>>, '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'>>, 'LIST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.List'>>, 'LN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Ln'>>, 'LOG': <function build_logarithm>, 'LOGICAL_AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'BOOL_AND': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'BOOLAND_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalAnd'>>, 'LOGICAL_OR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'BOOL_OR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'BOOLOR_AGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LogicalOr'>>, 'LOWER': <function build_lower>, 'LCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Lower'>>, 'LOWER_HEX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.LowerHex'>>, 'MD5': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MD5'>>, 'MD5_DIGEST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MD5Digest'>>, 'MAP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Map'>>, 'MAP_FROM_ENTRIES': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MapFromEntries'>>, 'MATCH_AGAINST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MatchAgainst'>>, 'MAX': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Max'>>, 'MIN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Min'>>, 'MONTH': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Month'>>, 'MONTHS_BETWEEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.MonthsBetween'>>, 'NEXT_VALUE_FOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.NextValueFor'>>, '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': <function _build_regexp_replace>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StrToDate'>>, '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'>>, 'STRING_TO_ARRAY': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StringToArray'>>, 'SPLIT_BY_STRING': <bound method Func.from_arg_list of <class 'sqlglot.expressions.StringToArray'>>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Time'>>, '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': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampDiff'>>, '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': <function build_formatted_time.<locals>._builder>, 'TO_DAYS': <bound method Func.from_arg_list of <class 'sqlglot.expressions.ToDays'>>, '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'>>, 'UNNEST': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Explode'>>, 'UPPER': <function build_upper>, 'UCASE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Upper'>>, 'VAR_MAP': <function build_var_map>, 'VARIANCE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VAR_SAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Variance'>>, 'VARIANCE_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'VAR_POP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.VariancePop'>>, 'WEEK': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Week'>>, 'WEEK_OF_YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.WeekOfYear'>>, 'WEEKOFYEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.WeekOfYear'>>, 'WHEN': <bound method Func.from_arg_list of <class 'sqlglot.expressions.When'>>, 'X_M_L_TABLE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.XMLTable'>>, 'XOR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Xor'>>, 'YEAR': <bound method Func.from_arg_list of <class 'sqlglot.expressions.Year'>>, 'GLOB': <function Parser.<lambda>>, 'JSON_EXTRACT_PATH_TEXT': <function build_json_extract_path.<locals>._builder>, 'LIKE': <function build_like>, 'LOG2': <function Parser.<lambda>>, 'LOG10': <function Parser.<lambda>>, 'MOD': <function build_mod>, 'TO_HEX': <function build_hex>, 'DIV': <function Postgres.Parser.<lambda>>, 'JSON_EXTRACT_PATH': <function build_json_extract_path.<locals>._builder>, 'MAKE_TIME': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimeFromParts'>>, 'MAKE_TIMESTAMP': <bound method Func.from_arg_list of <class 'sqlglot.expressions.TimestampFromParts'>>, 'NOW': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentTimestamp'>>, 'TO_TIMESTAMP': <function _build_to_timestamp>, 'SHA256': <function Postgres.Parser.<lambda>>, 'SHA384': <function Postgres.Parser.<lambda>>, 'SHA512': <function Postgres.Parser.<lambda>>, 'DATEADD': <function _build_date_delta.<locals>._builder>, 'GETDATE': <bound method Func.from_arg_list of <class 'sqlglot.expressions.CurrentTimestamp'>>, 'LISTAGG': <bound method Func.from_arg_list of <class 'sqlglot.expressions.GroupConcat'>>, 'SPLIT_TO_ARRAY': <function Redshift.Parser.<lambda>>, 'STRTOL': <bound method Func.from_arg_list of <class 'sqlglot.expressions.FromBase'>>}
NO_PAREN_FUNCTION_PARSERS =
{'ANY': <function Parser.<lambda>>, 'CASE': <function Parser.<lambda>>, 'IF': <function Parser.<lambda>>, 'NEXT': <function Parser.<lambda>>, 'APPROXIMATE': <function Redshift.Parser.<lambda>>, 'SYSDATE': <function Redshift.Parser.<lambda>>}
ID_VAR_TOKENS =
{<TokenType.SERIAL: 'SERIAL'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.MAP: 'MAP'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.COMMIT: 'COMMIT'>, <TokenType.NESTED: 'NESTED'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.DICTIONARY: 'DICTIONARY'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.TABLE: 'TABLE'>, <TokenType.LOAD: 'LOAD'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.ESCAPE: 'ESCAPE'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.BIT: 'BIT'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.DATE32: 'DATE32'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.TIME: 'TIME'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.SUPER: 'SUPER'>, <TokenType.PERCENT: 'PERCENT'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.CONSTRAINT: 'CONSTRAINT'>, <TokenType.CACHE: 'CACHE'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.OFFSET: 'OFFSET'>, <TokenType.VIEW: 'VIEW'>, <TokenType.FALSE: 'FALSE'>, <TokenType.WINDOW: 'WINDOW'>, <TokenType.FIRST: 'FIRST'>, <TokenType.JSONB: 'JSONB'>, <TokenType.NULL: 'NULL'>, <TokenType.UINT: 'UINT'>, <TokenType.INET: 'INET'>, <TokenType.UNIQUE: 'UNIQUE'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.DESCRIBE: 'DESCRIBE'>, <TokenType.FILTER: 'FILTER'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.USE: 'USE'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.INT: 'INT'>, <TokenType.IPV6: 'IPV6'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.STORAGE_INTEGRATION: 'STORAGE_INTEGRATION'>, <TokenType.CASE: 'CASE'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.DESC: 'DESC'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.BEGIN: 'BEGIN'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.KILL: 'KILL'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.OPERATOR: 'OPERATOR'>, <TokenType.FINAL: 'FINAL'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.DELETE: 'DELETE'>, <TokenType.VAR: 'VAR'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.TEXT: 'TEXT'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.UPDATE: 'UPDATE'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.ROW: 'ROW'>, <TokenType.NAME: 'NAME'>, <TokenType.UINT128: 'UINT128'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.TRUE: 'TRUE'>, <TokenType.PRAGMA: 'PRAGMA'>, <TokenType.WAREHOUSE: 'WAREHOUSE'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.JSON: 'JSON'>, <TokenType.OVERLAPS: 'OVERLAPS'>, <TokenType.ALL: 'ALL'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.ROWS: 'ROWS'>, <TokenType.XML: 'XML'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.NEXT: 'NEXT'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.ANY: 'ANY'>, <TokenType.MONEY: 'MONEY'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.OVERWRITE: 'OVERWRITE'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.UINT256: 'UINT256'>, <TokenType.REFRESH: 'REFRESH'>, <TokenType.LIST: 'LIST'>, <TokenType.STREAMLIT: 'STREAMLIT'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.DATE: 'DATE'>, <TokenType.INT256: 'INT256'>, <TokenType.PIVOT: 'PIVOT'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.TOP: 'TOP'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.PROCEDURE: 'PROCEDURE'>, <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, <TokenType.ENUM: 'ENUM'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.FULL: 'FULL'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.ANTI: 'ANTI'>, <TokenType.COPY: 'COPY'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.YEAR: 'YEAR'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DIV: 'DIV'>, <TokenType.FUNCTION: 'FUNCTION'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.RANGE: 'RANGE'>, <TokenType.INT128: 'INT128'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, <TokenType.ASC: 'ASC'>, <TokenType.ROLLUP: 'ROLLUP'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.ASOF: 'ASOF'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.REFERENCES: 'REFERENCES'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.MERGE: 'MERGE'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.SEMI: 'SEMI'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.RIGHT: 'RIGHT'>, <TokenType.COMMENT: 'COMMENT'>, <TokenType.KEEP: 'KEEP'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.NATURAL: 'NATURAL'>, <TokenType.TAG: 'TAG'>, <TokenType.SOME: 'SOME'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.MODEL: 'MODEL'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.IPV4: 'IPV4'>, <TokenType.RECURSIVE: 'RECURSIVE'>, <TokenType.PARTITION: 'PARTITION'>, <TokenType.APPLY: 'APPLY'>, <TokenType.BINARY: 'BINARY'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.SHOW: 'SHOW'>, <TokenType.UNPIVOT: 'UNPIVOT'>, <TokenType.SET: 'SET'>, <TokenType.STRAIGHT_JOIN: 'STRAIGHT_JOIN'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.COLUMN: 'COLUMN'>, <TokenType.END: 'END'>, <TokenType.CHAR: 'CHAR'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.LEFT: 'LEFT'>, <TokenType.ORDINALITY: 'ORDINALITY'>, <TokenType.INDEX: 'INDEX'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.UUID: 'UUID'>, <TokenType.DEFAULT: 'DEFAULT'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.IS: 'IS'>, <TokenType.TEMPORARY: 'TEMPORARY'>, <TokenType.VOLATILE: 'VOLATILE'>, <TokenType.SETTINGS: 'SETTINGS'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>}
TABLE_ALIAS_TOKENS =
{<TokenType.SERIAL: 'SERIAL'>, <TokenType.TSMULTIRANGE: 'TSMULTIRANGE'>, <TokenType.MAP: 'MAP'>, <TokenType.GEOGRAPHY: 'GEOGRAPHY'>, <TokenType.COMMIT: 'COMMIT'>, <TokenType.NESTED: 'NESTED'>, <TokenType.CURRENT_USER: 'CURRENT_USER'>, <TokenType.DICTIONARY: 'DICTIONARY'>, <TokenType.SMALLINT: 'SMALLINT'>, <TokenType.TABLE: 'TABLE'>, <TokenType.LOAD: 'LOAD'>, <TokenType.EXISTS: 'EXISTS'>, <TokenType.ESCAPE: 'ESCAPE'>, <TokenType.TDIGEST: 'TDIGEST'>, <TokenType.SIMPLEAGGREGATEFUNCTION: 'SIMPLEAGGREGATEFUNCTION'>, <TokenType.DECIMAL: 'DECIMAL'>, <TokenType.INT4MULTIRANGE: 'INT4MULTIRANGE'>, <TokenType.BIT: 'BIT'>, <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, <TokenType.DATE32: 'DATE32'>, <TokenType.CURRENT_TIME: 'CURRENT_TIME'>, <TokenType.TIME: 'TIME'>, <TokenType.CURRENT_TIMESTAMP: 'CURRENT_TIMESTAMP'>, <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, <TokenType.COMMAND: 'COMMAND'>, <TokenType.TINYBLOB: 'TINYBLOB'>, <TokenType.SUPER: 'SUPER'>, <TokenType.PERCENT: 'PERCENT'>, <TokenType.USMALLINT: 'USMALLINT'>, <TokenType.TRUNCATE: 'TRUNCATE'>, <TokenType.NCHAR: 'NCHAR'>, <TokenType.HLLSKETCH: 'HLLSKETCH'>, <TokenType.CONSTRAINT: 'CONSTRAINT'>, <TokenType.CACHE: 'CACHE'>, <TokenType.BIGSERIAL: 'BIGSERIAL'>, <TokenType.VIEW: 'VIEW'>, <TokenType.FALSE: 'FALSE'>, <TokenType.JSONB: 'JSONB'>, <TokenType.FIRST: 'FIRST'>, <TokenType.NULL: 'NULL'>, <TokenType.UINT: 'UINT'>, <TokenType.INET: 'INET'>, <TokenType.UNIQUE: 'UNIQUE'>, <TokenType.SCHEMA: 'SCHEMA'>, <TokenType.DESCRIBE: 'DESCRIBE'>, <TokenType.FILTER: 'FILTER'>, <TokenType.NULLABLE: 'NULLABLE'>, <TokenType.DATETIME: 'DATETIME'>, <TokenType.VARIANT: 'VARIANT'>, <TokenType.USE: 'USE'>, <TokenType.FIXEDSTRING: 'FIXEDSTRING'>, <TokenType.INT: 'INT'>, <TokenType.IPV6: 'IPV6'>, <TokenType.FLOAT: 'FLOAT'>, <TokenType.STORAGE_INTEGRATION: 'STORAGE_INTEGRATION'>, <TokenType.CASE: 'CASE'>, <TokenType.INT8RANGE: 'INT8RANGE'>, <TokenType.DESC: 'DESC'>, <TokenType.CURRENT_DATETIME: 'CURRENT_DATETIME'>, <TokenType.BEGIN: 'BEGIN'>, <TokenType.INT8MULTIRANGE: 'INT8MULTIRANGE'>, <TokenType.KILL: 'KILL'>, <TokenType.TSRANGE: 'TSRANGE'>, <TokenType.IPPREFIX: 'IPPREFIX'>, <TokenType.TINYINT: 'TINYINT'>, <TokenType.STRUCT: 'STRUCT'>, <TokenType.OPERATOR: 'OPERATOR'>, <TokenType.FINAL: 'FINAL'>, <TokenType.REPLACE: 'REPLACE'>, <TokenType.ENUM8: 'ENUM8'>, <TokenType.INT4RANGE: 'INT4RANGE'>, <TokenType.BOOLEAN: 'BOOLEAN'>, <TokenType.DELETE: 'DELETE'>, <TokenType.VAR: 'VAR'>, <TokenType.NVARCHAR: 'NVARCHAR'>, <TokenType.TEXT: 'TEXT'>, <TokenType.TIMESTAMP_NS: 'TIMESTAMP_NS'>, <TokenType.UPDATE: 'UPDATE'>, <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, <TokenType.ROW: 'ROW'>, <TokenType.NAME: 'NAME'>, <TokenType.UINT128: 'UINT128'>, <TokenType.UNIQUEIDENTIFIER: 'UNIQUEIDENTIFIER'>, <TokenType.TRUE: 'TRUE'>, <TokenType.PRAGMA: 'PRAGMA'>, <TokenType.WAREHOUSE: 'WAREHOUSE'>, <TokenType.NUMMULTIRANGE: 'NUMMULTIRANGE'>, <TokenType.JSON: 'JSON'>, <TokenType.OVERLAPS: 'OVERLAPS'>, <TokenType.ALL: 'ALL'>, <TokenType.TIMETZ: 'TIMETZ'>, <TokenType.MEDIUMTEXT: 'MEDIUMTEXT'>, <TokenType.UDECIMAL: 'UDECIMAL'>, <TokenType.ROWS: 'ROWS'>, <TokenType.XML: 'XML'>, <TokenType.UBIGINT: 'UBIGINT'>, <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, <TokenType.NEXT: 'NEXT'>, <TokenType.UNKNOWN: 'UNKNOWN'>, <TokenType.ROWVERSION: 'ROWVERSION'>, <TokenType.ANY: 'ANY'>, <TokenType.MONEY: 'MONEY'>, <TokenType.TIMESTAMP_MS: 'TIMESTAMP_MS'>, <TokenType.OVERWRITE: 'OVERWRITE'>, <TokenType.OBJECT: 'OBJECT'>, <TokenType.LONGTEXT: 'LONGTEXT'>, <TokenType.UINT256: 'UINT256'>, <TokenType.REFRESH: 'REFRESH'>, <TokenType.LIST: 'LIST'>, <TokenType.STREAMLIT: 'STREAMLIT'>, <TokenType.VARCHAR: 'VARCHAR'>, <TokenType.INT256: 'INT256'>, <TokenType.PIVOT: 'PIVOT'>, <TokenType.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <TokenType.TOP: 'TOP'>, <TokenType.LOWCARDINALITY: 'LOWCARDINALITY'>, <TokenType.CURRENT_DATE: 'CURRENT_DATE'>, <TokenType.SEQUENCE: 'SEQUENCE'>, <TokenType.PROCEDURE: 'PROCEDURE'>, <TokenType.FOREIGN_KEY: 'FOREIGN_KEY'>, <TokenType.ENUM: 'ENUM'>, <TokenType.IDENTIFIER: 'IDENTIFIER'>, <TokenType.MEDIUMINT: 'MEDIUMINT'>, <TokenType.IPADDRESS: 'IPADDRESS'>, <TokenType.COPY: 'COPY'>, <TokenType.DATEMULTIRANGE: 'DATEMULTIRANGE'>, <TokenType.VARBINARY: 'VARBINARY'>, <TokenType.YEAR: 'YEAR'>, <TokenType.TSTZRANGE: 'TSTZRANGE'>, <TokenType.DIV: 'DIV'>, <TokenType.FUNCTION: 'FUNCTION'>, <TokenType.COLLATE: 'COLLATE'>, <TokenType.ENUM16: 'ENUM16'>, <TokenType.RANGE: 'RANGE'>, <TokenType.INT128: 'INT128'>, <TokenType.UTINYINT: 'UTINYINT'>, <TokenType.AUTO_INCREMENT: 'AUTO_INCREMENT'>, <TokenType.ASC: 'ASC'>, <TokenType.ROLLUP: 'ROLLUP'>, <TokenType.DATERANGE: 'DATERANGE'>, <TokenType.EXECUTE: 'EXECUTE'>, <TokenType.DATABASE: 'DATABASE'>, <TokenType.REFERENCES: 'REFERENCES'>, <TokenType.TSTZMULTIRANGE: 'TSTZMULTIRANGE'>, <TokenType.TIMESTAMPNTZ: 'TIMESTAMPNTZ'>, <TokenType.UNNEST: 'UNNEST'>, <TokenType.DOUBLE: 'DOUBLE'>, <TokenType.TINYTEXT: 'TINYTEXT'>, <TokenType.MERGE: 'MERGE'>, <TokenType.TIMESTAMP_S: 'TIMESTAMP_S'>, <TokenType.USERDEFINED: 'USERDEFINED'>, <TokenType.IMAGE: 'IMAGE'>, <TokenType.COMMENT: 'COMMENT'>, <TokenType.KEEP: 'KEEP'>, <TokenType.HSTORE: 'HSTORE'>, <TokenType.AGGREGATEFUNCTION: 'AGGREGATEFUNCTION'>, <TokenType.TAG: 'TAG'>, <TokenType.SOME: 'SOME'>, <TokenType.LONGBLOB: 'LONGBLOB'>, <TokenType.MODEL: 'MODEL'>, <TokenType.GEOMETRY: 'GEOMETRY'>, <TokenType.BIGINT: 'BIGINT'>, <TokenType.TIMESTAMP: 'TIMESTAMP'>, <TokenType.SMALLMONEY: 'SMALLMONEY'>, <TokenType.IPV4: 'IPV4'>, <TokenType.RECURSIVE: 'RECURSIVE'>, <TokenType.PARTITION: 'PARTITION'>, <TokenType.BINARY: 'BINARY'>, <TokenType.ISNULL: 'ISNULL'>, <TokenType.SHOW: 'SHOW'>, <TokenType.UNPIVOT: 'UNPIVOT'>, <TokenType.SET: 'SET'>, <TokenType.STRAIGHT_JOIN: 'STRAIGHT_JOIN'>, <TokenType.BPCHAR: 'BPCHAR'>, <TokenType.NUMRANGE: 'NUMRANGE'>, <TokenType.MEDIUMBLOB: 'MEDIUMBLOB'>, <TokenType.COLUMN: 'COLUMN'>, <TokenType.VOLATILE: 'VOLATILE'>, <TokenType.END: 'END'>, <TokenType.CHAR: 'CHAR'>, <TokenType.FORMAT: 'FORMAT'>, <TokenType.ORDINALITY: 'ORDINALITY'>, <TokenType.INDEX: 'INDEX'>, <TokenType.INTERVAL: 'INTERVAL'>, <TokenType.ARRAY: 'ARRAY'>, <TokenType.UUID: 'UUID'>, <TokenType.DEFAULT: 'DEFAULT'>, <TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <TokenType.DATETIME64: 'DATETIME64'>, <TokenType.IS: 'IS'>, <TokenType.TEMPORARY: 'TEMPORARY'>, <TokenType.DATE: 'DATE'>, <TokenType.SETTINGS: 'SETTINGS'>, <TokenType.UMEDIUMINT: 'UMEDIUMINT'>}
SET_TRIE: Dict =
{'GLOBAL': {0: True}, 'LOCAL': {0: True}, 'SESSION': {0: True}, 'TRANSACTION': {0: True}}
Inherited Members
- sqlglot.parser.Parser
- Parser
- NO_PAREN_FUNCTIONS
- STRUCT_TYPE_TOKENS
- NESTED_TYPE_TOKENS
- ENUM_TYPE_TOKENS
- AGGREGATE_TYPE_TOKENS
- TYPE_TOKENS
- SIGNED_TO_UNSIGNED_TYPE_TOKEN
- SUBQUERY_PREDICATES
- RESERVED_TOKENS
- DB_CREATABLES
- CREATABLES
- INTERVAL_VARS
- ALIAS_TOKENS
- ARRAY_CONSTRUCTORS
- COMMENT_TABLE_ALIAS_TOKENS
- UPDATE_ALIAS_TOKENS
- TRIM_TYPES
- FUNC_TOKENS
- CONJUNCTION
- ASSIGNMENT
- DISJUNCTION
- EQUALITY
- COMPARISON
- TERM
- FACTOR
- TIMES
- TIMESTAMPS
- SET_OPERATIONS
- JOIN_METHODS
- JOIN_SIDES
- JOIN_KINDS
- JOIN_HINTS
- LAMBDAS
- EXPRESSION_PARSERS
- UNARY_PARSERS
- STRING_PARSERS
- NUMERIC_PARSERS
- PRIMARY_PARSERS
- PLACEHOLDER_PARSERS
- CONSTRAINT_PARSERS
- ALTER_PARSERS
- ALTER_ALTER_PARSERS
- SCHEMA_UNNAMED_CONSTRAINTS
- INVALID_FUNC_NAME_TOKENS
- FUNCTIONS_WITH_ALIASED_ARGS
- KEY_VALUE_DEFINITIONS
- QUERY_MODIFIER_PARSERS
- SET_PARSERS
- SHOW_PARSERS
- TYPE_LITERAL_PARSERS
- TYPE_CONVERTERS
- 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
- COPY_INTO_VARLEN_OPTIONS
- STRICT_CAST
- PREFIXED_PIVOT_COLUMNS
- IDENTIFY_PIVOT_STRINGS
- LOG_DEFAULTS_TO_LN
- ALTER_TABLE_ADD_REQUIRED_FOR_EACH_COLUMN
- TABLESAMPLE_CSV
- DEFAULT_SAMPLING_METHOD
- SET_REQUIRES_ASSIGNMENT_DELIMITER
- TRIM_PATTERN_FIRST
- STRING_ALIASES
- MODIFIERS_ATTACHED_TO_SET_OP
- SET_OP_MODIFIERS
- NO_PAREN_IF_COMMANDS
- COLON_IS_JSON_EXTRACT
- VALUES_FOLLOWED_BY_PAREN
- INTERVAL_SPANS
- SUPPORTS_PARTITION_SELECTION
- error_level
- error_message_context
- max_errors
- dialect
- reset
- parse
- parse_into
- check_errors
- raise_error
- expression
- validate_expression
- errors
- sql
124 class Tokenizer(Postgres.Tokenizer): 125 BIT_STRINGS = [] 126 HEX_STRINGS = [] 127 STRING_ESCAPES = ["\\", "'"] 128 129 KEYWORDS = { 130 **Postgres.Tokenizer.KEYWORDS, 131 "(+)": TokenType.JOIN_MARKER, 132 "HLLSKETCH": TokenType.HLLSKETCH, 133 "MINUS": TokenType.EXCEPT, 134 "SUPER": TokenType.SUPER, 135 "TOP": TokenType.TOP, 136 "UNLOAD": TokenType.COMMAND, 137 "VARBYTE": TokenType.VARBINARY, 138 } 139 KEYWORDS.pop("VALUES") 140 141 # Redshift allows # to appear as a table identifier prefix 142 SINGLE_TOKENS = Postgres.Tokenizer.SINGLE_TOKENS.copy() 143 SINGLE_TOKENS.pop("#")
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.COMMAND: 'COMMAND'>, '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'>, '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'>, 'STRAIGHT_JOIN': <TokenType.STRAIGHT_JOIN: 'STRAIGHT_JOIN'>, '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'>, '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.BIGINT: 'BIGINT'>, 'UINT': <TokenType.UINT: 'UINT'>, 'DEC': <TokenType.DECIMAL: 'DECIMAL'>, 'DECIMAL': <TokenType.DECIMAL: 'DECIMAL'>, 'BIGDECIMAL': <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, 'BIGNUMERIC': <TokenType.BIGDECIMAL: 'BIGDECIMAL'>, 'LIST': <TokenType.LIST: 'LIST'>, '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.DOUBLE: 'DOUBLE'>, 'FLOAT4': <TokenType.FLOAT: 'FLOAT'>, 'FLOAT8': <TokenType.DOUBLE: 'DOUBLE'>, 'DOUBLE': <TokenType.DOUBLE: 'DOUBLE'>, 'DOUBLE PRECISION': <TokenType.DOUBLE: 'DOUBLE'>, 'JSON': <TokenType.JSON: 'JSON'>, 'JSONB': <TokenType.JSONB: 'JSONB'>, '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'>, '~~': <TokenType.LIKE: 'LIKE'>, '~~*': <TokenType.ILIKE: 'ILIKE'>, '~*': <TokenType.IRLIKE: 'IRLIKE'>, '~': <TokenType.RLIKE: 'RLIKE'>, '@@': <TokenType.DAT: 'DAT'>, '@>': <TokenType.AT_GT: 'AT_GT'>, '<@': <TokenType.LT_AT: 'LT_AT'>, '|/': <TokenType.PIPE_SLASH: 'PIPE_SLASH'>, '||/': <TokenType.DPIPE_SLASH: 'DPIPE_SLASH'>, 'BEGIN TRANSACTION': <TokenType.BEGIN: 'BEGIN'>, 'BIGSERIAL': <TokenType.BIGSERIAL: 'BIGSERIAL'>, 'CHARACTER VARYING': <TokenType.VARCHAR: 'VARCHAR'>, 'CONSTRAINT TRIGGER': <TokenType.COMMAND: 'COMMAND'>, 'CSTRING': <TokenType.PSEUDO_TYPE: 'PSEUDO_TYPE'>, 'DECLARE': <TokenType.COMMAND: 'COMMAND'>, 'DO': <TokenType.COMMAND: 'COMMAND'>, 'EXEC': <TokenType.COMMAND: 'COMMAND'>, 'HSTORE': <TokenType.HSTORE: 'HSTORE'>, 'MONEY': <TokenType.MONEY: 'MONEY'>, 'NAME': <TokenType.NAME: 'NAME'>, 'OID': <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, 'ONLY': <TokenType.ONLY: 'ONLY'>, 'OPERATOR': <TokenType.OPERATOR: 'OPERATOR'>, 'REFRESH': <TokenType.COMMAND: 'COMMAND'>, 'REINDEX': <TokenType.COMMAND: 'COMMAND'>, 'RESET': <TokenType.COMMAND: 'COMMAND'>, 'REVOKE': <TokenType.COMMAND: 'COMMAND'>, 'SERIAL': <TokenType.SERIAL: 'SERIAL'>, 'SMALLSERIAL': <TokenType.SMALLSERIAL: 'SMALLSERIAL'>, 'REGCLASS': <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, 'REGCOLLATION': <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, 'REGCONFIG': <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, 'REGDICTIONARY': <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, 'REGNAMESPACE': <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, 'REGOPER': <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, 'REGOPERATOR': <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, 'REGPROC': <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, 'REGPROCEDURE': <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, 'REGROLE': <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, 'REGTYPE': <TokenType.OBJECT_IDENTIFIER: 'OBJECT_IDENTIFIER'>, '(+)': <TokenType.JOIN_MARKER: 'JOIN_MARKER'>, 'HLLSKETCH': <TokenType.HLLSKETCH: 'HLLSKETCH'>, 'MINUS': <TokenType.EXCEPT: 'EXCEPT'>, 'SUPER': <TokenType.SUPER: 'SUPER'>, 'TOP': <TokenType.TOP: 'TOP'>, 'UNLOAD': <TokenType.COMMAND: 'COMMAND'>, 'VARBYTE': <TokenType.VARBINARY: 'VARBINARY'>}
SINGLE_TOKENS =
{'(': <TokenType.L_PAREN: 'L_PAREN'>, ')': <TokenType.R_PAREN: 'R_PAREN'>, '[': <TokenType.L_BRACKET: 'L_BRACKET'>, ']': <TokenType.R_BRACKET: 'R_BRACKET'>, '{': <TokenType.L_BRACE: 'L_BRACE'>, '}': <TokenType.R_BRACE: 'R_BRACE'>, '&': <TokenType.AMP: 'AMP'>, '^': <TokenType.CARET: 'CARET'>, ':': <TokenType.COLON: 'COLON'>, ',': <TokenType.COMMA: 'COMMA'>, '.': <TokenType.DOT: 'DOT'>, '-': <TokenType.DASH: 'DASH'>, '=': <TokenType.EQ: 'EQ'>, '>': <TokenType.GT: 'GT'>, '<': <TokenType.LT: 'LT'>, '%': <TokenType.MOD: 'MOD'>, '!': <TokenType.NOT: 'NOT'>, '|': <TokenType.PIPE: 'PIPE'>, '+': <TokenType.PLUS: 'PLUS'>, ';': <TokenType.SEMICOLON: 'SEMICOLON'>, '/': <TokenType.SLASH: 'SLASH'>, '\\': <TokenType.BACKSLASH: 'BACKSLASH'>, '*': <TokenType.STAR: 'STAR'>, '~': <TokenType.TILDA: 'TILDA'>, '?': <TokenType.PLACEHOLDER: 'PLACEHOLDER'>, '@': <TokenType.PARAMETER: 'PARAMETER'>, "'": <TokenType.UNKNOWN: 'UNKNOWN'>, '`': <TokenType.UNKNOWN: 'UNKNOWN'>, '"': <TokenType.UNKNOWN: 'UNKNOWN'>, '$': <TokenType.HEREDOC_STRING: 'HEREDOC_STRING'>}
Inherited Members
145 class Generator(Postgres.Generator): 146 LOCKING_READS_SUPPORTED = False 147 QUERY_HINTS = False 148 VALUES_AS_TABLE = False 149 TZ_TO_WITH_TIME_ZONE = True 150 NVL2_SUPPORTED = True 151 LAST_DAY_SUPPORTS_DATE_PART = False 152 CAN_IMPLEMENT_ARRAY_ANY = False 153 MULTI_ARG_DISTINCT = True 154 COPY_PARAMS_ARE_WRAPPED = False 155 HEX_FUNC = "TO_HEX" 156 # Redshift doesn't have `WITH` as part of their with_properties so we remove it 157 WITH_PROPERTIES_PREFIX = " " 158 159 TYPE_MAPPING = { 160 **Postgres.Generator.TYPE_MAPPING, 161 exp.DataType.Type.BINARY: "VARBYTE", 162 exp.DataType.Type.INT: "INTEGER", 163 exp.DataType.Type.TIMETZ: "TIME", 164 exp.DataType.Type.TIMESTAMPTZ: "TIMESTAMP", 165 exp.DataType.Type.VARBINARY: "VARBYTE", 166 exp.DataType.Type.ROWVERSION: "VARBYTE", 167 } 168 169 TRANSFORMS = { 170 **Postgres.Generator.TRANSFORMS, 171 exp.Concat: concat_to_dpipe_sql, 172 exp.ConcatWs: concat_ws_to_dpipe_sql, 173 exp.ApproxDistinct: lambda self, 174 e: f"APPROXIMATE COUNT(DISTINCT {self.sql(e, 'this')})", 175 exp.CurrentTimestamp: lambda self, e: ( 176 "SYSDATE" if e.args.get("transaction") else "GETDATE()" 177 ), 178 exp.DateAdd: date_delta_sql("DATEADD"), 179 exp.DateDiff: date_delta_sql("DATEDIFF"), 180 exp.DistKeyProperty: lambda self, e: self.func("DISTKEY", e.this), 181 exp.DistStyleProperty: lambda self, e: self.naked_property(e), 182 exp.FromBase: rename_func("STRTOL"), 183 exp.GeneratedAsIdentityColumnConstraint: generatedasidentitycolumnconstraint_sql, 184 exp.JSONExtract: json_extract_segments("JSON_EXTRACT_PATH_TEXT"), 185 exp.JSONExtractScalar: json_extract_segments("JSON_EXTRACT_PATH_TEXT"), 186 exp.GroupConcat: rename_func("LISTAGG"), 187 exp.Hex: lambda self, e: self.func("UPPER", self.func("TO_HEX", self.sql(e, "this"))), 188 exp.ParseJSON: rename_func("JSON_PARSE"), 189 exp.Select: transforms.preprocess( 190 [ 191 transforms.eliminate_distinct_on, 192 transforms.eliminate_semi_and_anti_joins, 193 transforms.unqualify_unnest, 194 ] 195 ), 196 exp.SortKeyProperty: lambda self, 197 e: f"{'COMPOUND ' if e.args['compound'] else ''}SORTKEY({self.format_args(*e.this)})", 198 exp.StartsWith: lambda self, 199 e: f"{self.sql(e.this)} LIKE {self.sql(e.expression)} || '%'", 200 exp.StringToArray: rename_func("SPLIT_TO_ARRAY"), 201 exp.TableSample: no_tablesample_sql, 202 exp.TsOrDsAdd: date_delta_sql("DATEADD"), 203 exp.TsOrDsDiff: date_delta_sql("DATEDIFF"), 204 exp.UnixToTime: lambda self, 205 e: f"(TIMESTAMP 'epoch' + {self.sql(e.this)} * INTERVAL '1 SECOND')", 206 } 207 208 # Postgres maps exp.Pivot to no_pivot_sql, but Redshift support pivots 209 TRANSFORMS.pop(exp.Pivot) 210 211 # Redshift uses the POW | POWER (expr1, expr2) syntax instead of expr1 ^ expr2 (postgres) 212 TRANSFORMS.pop(exp.Pow) 213 214 # Redshift supports ANY_VALUE(..) 215 TRANSFORMS.pop(exp.AnyValue) 216 217 # Redshift supports LAST_DAY(..) 218 TRANSFORMS.pop(exp.LastDay) 219 TRANSFORMS.pop(exp.SHA2) 220 221 RESERVED_KEYWORDS = { 222 "aes128", 223 "aes256", 224 "all", 225 "allowoverwrite", 226 "analyse", 227 "analyze", 228 "and", 229 "any", 230 "array", 231 "as", 232 "asc", 233 "authorization", 234 "az64", 235 "backup", 236 "between", 237 "binary", 238 "blanksasnull", 239 "both", 240 "bytedict", 241 "bzip2", 242 "case", 243 "cast", 244 "check", 245 "collate", 246 "column", 247 "constraint", 248 "create", 249 "credentials", 250 "cross", 251 "current_date", 252 "current_time", 253 "current_timestamp", 254 "current_user", 255 "current_user_id", 256 "default", 257 "deferrable", 258 "deflate", 259 "defrag", 260 "delta", 261 "delta32k", 262 "desc", 263 "disable", 264 "distinct", 265 "do", 266 "else", 267 "emptyasnull", 268 "enable", 269 "encode", 270 "encrypt ", 271 "encryption", 272 "end", 273 "except", 274 "explicit", 275 "false", 276 "for", 277 "foreign", 278 "freeze", 279 "from", 280 "full", 281 "globaldict256", 282 "globaldict64k", 283 "grant", 284 "group", 285 "gzip", 286 "having", 287 "identity", 288 "ignore", 289 "ilike", 290 "in", 291 "initially", 292 "inner", 293 "intersect", 294 "interval", 295 "into", 296 "is", 297 "isnull", 298 "join", 299 "leading", 300 "left", 301 "like", 302 "limit", 303 "localtime", 304 "localtimestamp", 305 "lun", 306 "luns", 307 "lzo", 308 "lzop", 309 "minus", 310 "mostly16", 311 "mostly32", 312 "mostly8", 313 "natural", 314 "new", 315 "not", 316 "notnull", 317 "null", 318 "nulls", 319 "off", 320 "offline", 321 "offset", 322 "oid", 323 "old", 324 "on", 325 "only", 326 "open", 327 "or", 328 "order", 329 "outer", 330 "overlaps", 331 "parallel", 332 "partition", 333 "percent", 334 "permissions", 335 "pivot", 336 "placing", 337 "primary", 338 "raw", 339 "readratio", 340 "recover", 341 "references", 342 "rejectlog", 343 "resort", 344 "respect", 345 "restore", 346 "right", 347 "select", 348 "session_user", 349 "similar", 350 "snapshot", 351 "some", 352 "sysdate", 353 "system", 354 "table", 355 "tag", 356 "tdes", 357 "text255", 358 "text32k", 359 "then", 360 "timestamp", 361 "to", 362 "top", 363 "trailing", 364 "true", 365 "truncatecolumns", 366 "type", 367 "union", 368 "unique", 369 "unnest", 370 "unpivot", 371 "user", 372 "using", 373 "verbose", 374 "wallet", 375 "when", 376 "where", 377 "with", 378 "without", 379 } 380 381 def unnest_sql(self, expression: exp.Unnest) -> str: 382 args = expression.expressions 383 num_args = len(args) 384 385 if num_args > 1: 386 self.unsupported(f"Unsupported number of arguments in UNNEST: {num_args}") 387 return "" 388 389 arg = self.sql(seq_get(args, 0)) 390 alias = self.expressions(expression.args.get("alias"), key="columns", flat=True) 391 return f"{arg} AS {alias}" if alias else arg 392 393 def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str: 394 if expression.is_type(exp.DataType.Type.JSON): 395 # Redshift doesn't support a JSON type, so casting to it is treated as a noop 396 return self.sql(expression, "this") 397 398 return super().cast_sql(expression, safe_prefix=safe_prefix) 399 400 def datatype_sql(self, expression: exp.DataType) -> str: 401 """ 402 Redshift converts the `TEXT` data type to `VARCHAR(255)` by default when people more generally mean 403 VARCHAR of max length which is `VARCHAR(max)` in Redshift. Therefore if we get a `TEXT` data type 404 without precision we convert it to `VARCHAR(max)` and if it does have precision then we just convert 405 `TEXT` to `VARCHAR`. 406 """ 407 if expression.is_type("text"): 408 expression.set("this", exp.DataType.Type.VARCHAR) 409 precision = expression.args.get("expressions") 410 411 if not precision: 412 expression.append("expressions", exp.var("MAX")) 413 414 return super().datatype_sql(expression) 415 416 def alterset_sql(self, expression: exp.AlterSet) -> str: 417 exprs = self.expressions(expression, flat=True) 418 exprs = f" TABLE PROPERTIES ({exprs})" if exprs else "" 419 location = self.sql(expression, "location") 420 location = f" LOCATION {location}" if location else "" 421 file_format = self.expressions(expression, key="file_format", flat=True, sep=" ") 422 file_format = f" FILE FORMAT {file_format}" if file_format else "" 423 424 return f"SET{exprs}{location}{file_format}"
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
TYPE_MAPPING =
{<Type.NCHAR: 'NCHAR'>: 'CHAR', <Type.NVARCHAR: 'NVARCHAR'>: 'VARCHAR', <Type.MEDIUMTEXT: 'MEDIUMTEXT'>: 'TEXT', <Type.LONGTEXT: 'LONGTEXT'>: 'TEXT', <Type.TINYTEXT: 'TINYTEXT'>: 'TEXT', <Type.MEDIUMBLOB: 'MEDIUMBLOB'>: 'BLOB', <Type.LONGBLOB: 'LONGBLOB'>: 'BLOB', <Type.TINYBLOB: 'TINYBLOB'>: 'BLOB', <Type.INET: 'INET'>: 'INET', <Type.ROWVERSION: 'ROWVERSION'>: 'VARBYTE', <Type.TINYINT: 'TINYINT'>: 'SMALLINT', <Type.FLOAT: 'FLOAT'>: 'REAL', <Type.DOUBLE: 'DOUBLE'>: 'DOUBLE PRECISION', <Type.BINARY: 'BINARY'>: 'VARBYTE', <Type.VARBINARY: 'VARBINARY'>: 'VARBYTE', <Type.DATETIME: 'DATETIME'>: 'TIMESTAMP', <Type.INT: 'INT'>: 'INTEGER', <Type.TIMETZ: 'TIMETZ'>: 'TIME', <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: 'TIMESTAMP'}
TRANSFORMS =
{<class 'sqlglot.expressions.JSONPathKey'>: <function json_path_key_only_name>, <class 'sqlglot.expressions.JSONPathRoot'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.JSONPathSubscript'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.AllowedValuesProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.AutoRefreshProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.BackupProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CaseSpecificColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CharacterSetColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CharacterSetProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.ClusteredColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.CollateColumnConstraint'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.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 json_extract_segments.<locals>._json_extract_segments>, <class 'sqlglot.expressions.JSONExtractScalar'>: <function json_extract_segments.<locals>._json_extract_segments>, <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.ProjectionPolicyColumnConstraint'>: <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.SecureProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SetConfigProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SetProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SettingsProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SharingProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SqlReadWriteProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.SqlSecurityProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.StabilityProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.StrictProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TemporaryProperty'>: <function Generator.<lambda>>, <class 'sqlglot.expressions.TagColumnConstraint'>: <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.Array'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.ArrayConcat'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.ArrayContainsAll'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.ArrayOverlaps'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.ArrayFilter'>: <function filter_array_using_unnest>, <class 'sqlglot.expressions.ArraySize'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.BitwiseXor'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.ColumnDef'>: <function preprocess.<locals>._to_sql>, <class 'sqlglot.expressions.CurrentDate'>: <function no_paren_current_date_sql>, <class 'sqlglot.expressions.CurrentTimestamp'>: <function Redshift.Generator.<lambda>>, <class 'sqlglot.expressions.CurrentUser'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.DateAdd'>: <function date_delta_sql.<locals>._delta_sql>, <class 'sqlglot.expressions.DateDiff'>: <function date_delta_sql.<locals>._delta_sql>, <class 'sqlglot.expressions.DateStrToDate'>: <function datestrtodate_sql>, <class 'sqlglot.expressions.DateSub'>: <function _date_add_sql.<locals>.func>, <class 'sqlglot.expressions.Explode'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.GroupConcat'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.IntDiv'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.JSONBExtract'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.JSONBExtractScalar'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.JSONBContains'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.ParseJSON'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.LogicalOr'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.LogicalAnd'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.Max'>: <function max_or_greatest>, <class 'sqlglot.expressions.MapFromEntries'>: <function no_map_from_entries_sql>, <class 'sqlglot.expressions.Min'>: <function min_or_least>, <class 'sqlglot.expressions.Merge'>: <function merge_without_target_sql>, <class 'sqlglot.expressions.PartitionedByProperty'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.PercentileCont'>: <function preprocess.<locals>._to_sql>, <class 'sqlglot.expressions.PercentileDisc'>: <function preprocess.<locals>._to_sql>, <class 'sqlglot.expressions.Rand'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.RegexpLike'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.RegexpILike'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.Select'>: <function preprocess.<locals>._to_sql>, <class 'sqlglot.expressions.StrPosition'>: <function str_position_sql>, <class 'sqlglot.expressions.StrToDate'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.StrToTime'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.StructExtract'>: <function struct_extract_sql>, <class 'sqlglot.expressions.Substring'>: <function _substring_sql>, <class 'sqlglot.expressions.TimeFromParts'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TimestampFromParts'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TimestampTrunc'>: <function timestamptrunc_sql.<locals>._timestamptrunc_sql>, <class 'sqlglot.expressions.TimeStrToTime'>: <function timestrtotime_sql>, <class 'sqlglot.expressions.TimeToStr'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.ToChar'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.Trim'>: <function trim_sql>, <class 'sqlglot.expressions.TryCast'>: <function no_trycast_sql>, <class 'sqlglot.expressions.TsOrDsAdd'>: <function date_delta_sql.<locals>._delta_sql>, <class 'sqlglot.expressions.TsOrDsDiff'>: <function date_delta_sql.<locals>._delta_sql>, <class 'sqlglot.expressions.UnixToTime'>: <function Redshift.Generator.<lambda>>, <class 'sqlglot.expressions.TimeToUnix'>: <function Postgres.Generator.<lambda>>, <class 'sqlglot.expressions.VariancePop'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.Variance'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.Xor'>: <function bool_xor_sql>, <class 'sqlglot.expressions.Concat'>: <function concat_to_dpipe_sql>, <class 'sqlglot.expressions.ConcatWs'>: <function concat_ws_to_dpipe_sql>, <class 'sqlglot.expressions.ApproxDistinct'>: <function Redshift.Generator.<lambda>>, <class 'sqlglot.expressions.DistKeyProperty'>: <function Redshift.Generator.<lambda>>, <class 'sqlglot.expressions.DistStyleProperty'>: <function Redshift.Generator.<lambda>>, <class 'sqlglot.expressions.FromBase'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.GeneratedAsIdentityColumnConstraint'>: <function generatedasidentitycolumnconstraint_sql>, <class 'sqlglot.expressions.Hex'>: <function Redshift.Generator.<lambda>>, <class 'sqlglot.expressions.SortKeyProperty'>: <function Redshift.Generator.<lambda>>, <class 'sqlglot.expressions.StartsWith'>: <function Redshift.Generator.<lambda>>, <class 'sqlglot.expressions.StringToArray'>: <function rename_func.<locals>.<lambda>>, <class 'sqlglot.expressions.TableSample'>: <function no_tablesample_sql>}
RESERVED_KEYWORDS =
{'wallet', 'az64', 'recover', 'and', 'open', 'pivot', 'grant', 'off', 'on', 'deflate', 'true', 'with', 'where', 'authorization', 'lzo', 'or', 'mostly16', 'inner', 'all', 'analyze', 'raw', 'allowoverwrite', 'bzip2', 'mostly32', 'placing', 'type', 'collate', 'offset', 'ilike', 'left', 'binary', 'percent', 'any', 'oid', 'using', 'globaldict256', 'select', 'luns', 'like', 'new', 'except', 'readratio', 'in', 'is', 'system', 'do', 'interval', 'rejectlog', 'verbose', 'minus', 'encrypt ', 'constraint', 'distinct', 'freeze', 'to', 'localtime', 'globaldict64k', 'sysdate', 'limit', 'nulls', 'permissions', 'unique', 'initially', 'blanksasnull', 'isnull', 'order', 'desc', 'analyse', 'deferrable', 'references', 'outer', 'parallel', 'explicit', 'restore', 'delta32k', 'natural', 'enable', 'table', 'aes256', 'column', 'emptyasnull', 'credentials', 'user', 'partition', 'cross', 'notnull', 'some', 'from', 'gzip', 'lzop', 'offline', 'both', 'default', 'only', 'old', 'having', 'mostly8', 'delta', 'defrag', 'backup', 'timestamp', 'else', 'encryption', 'similar', 'identity', 'truncatecolumns', 'top', 'encode', 'right', 'foreign', 'bytedict', 'respect', 'cast', 'resort', 'as', 'false', 'create', 'for', 'asc', 'check', 'full', 'text32k', 'array', 'disable', 'without', 'overlaps', 'current_date', 'aes128', 'text255', 'end', 'unpivot', 'current_time', 'between', 'group', 'null', 'ignore', 'case', 'unnest', 'current_user', 'current_timestamp', 'primary', 'then', 'snapshot', 'leading', 'into', 'union', 'trailing', 'join', 'localtimestamp', 'tag', 'when', 'tdes', 'intersect', 'not', 'current_user_id', 'lun', 'session_user'}
381 def unnest_sql(self, expression: exp.Unnest) -> str: 382 args = expression.expressions 383 num_args = len(args) 384 385 if num_args > 1: 386 self.unsupported(f"Unsupported number of arguments in UNNEST: {num_args}") 387 return "" 388 389 arg = self.sql(seq_get(args, 0)) 390 alias = self.expressions(expression.args.get("alias"), key="columns", flat=True) 391 return f"{arg} AS {alias}" if alias else arg
def
cast_sql( self, expression: sqlglot.expressions.Cast, safe_prefix: Optional[str] = None) -> str:
393 def cast_sql(self, expression: exp.Cast, safe_prefix: t.Optional[str] = None) -> str: 394 if expression.is_type(exp.DataType.Type.JSON): 395 # Redshift doesn't support a JSON type, so casting to it is treated as a noop 396 return self.sql(expression, "this") 397 398 return super().cast_sql(expression, safe_prefix=safe_prefix)
400 def datatype_sql(self, expression: exp.DataType) -> str: 401 """ 402 Redshift converts the `TEXT` data type to `VARCHAR(255)` by default when people more generally mean 403 VARCHAR of max length which is `VARCHAR(max)` in Redshift. Therefore if we get a `TEXT` data type 404 without precision we convert it to `VARCHAR(max)` and if it does have precision then we just convert 405 `TEXT` to `VARCHAR`. 406 """ 407 if expression.is_type("text"): 408 expression.set("this", exp.DataType.Type.VARCHAR) 409 precision = expression.args.get("expressions") 410 411 if not precision: 412 expression.append("expressions", exp.var("MAX")) 413 414 return super().datatype_sql(expression)
Redshift converts the TEXT
data type to VARCHAR(255)
by default when people more generally mean
VARCHAR of max length which is VARCHAR(max)
in Redshift. Therefore if we get a TEXT
data type
without precision we convert it to VARCHAR(max)
and if it does have precision then we just convert
TEXT
to VARCHAR
.
416 def alterset_sql(self, expression: exp.AlterSet) -> str: 417 exprs = self.expressions(expression, flat=True) 418 exprs = f" TABLE PROPERTIES ({exprs})" if exprs else "" 419 location = self.sql(expression, "location") 420 location = f" LOCATION {location}" if location else "" 421 file_format = self.expressions(expression, key="file_format", flat=True, sep=" ") 422 file_format = f" FILE FORMAT {file_format}" if file_format else "" 423 424 return f"SET{exprs}{location}{file_format}"
AFTER_HAVING_MODIFIER_TRANSFORMS =
{'qualify': <function Generator.<lambda>>, 'windows': <function Generator.<lambda>>}
Inherited Members
- sqlglot.generator.Generator
- Generator
- NULL_ORDERING_SUPPORTED
- IGNORE_NULLS_IN_FUNC
- EXPLICIT_SET_OP
- WRAP_DERIVED_VALUES
- CREATE_FUNCTION_RETURN_AS
- MATCHED_BY_SOURCE
- INTERVAL_ALLOWS_PLURAL_FORM
- LIMIT_FETCH
- LIMIT_ONLY_LITERALS
- GROUPINGS_SEP
- INDEX_ON
- QUERY_HINT_SEP
- IS_BOOL_ALLOWED
- DUPLICATE_KEY_UPDATE_WITH_SET
- LIMIT_IS_TOP
- RETURNING_END
- EXTRACT_ALLOWS_QUOTES
- 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_KEYWORDS
- TABLESAMPLE_WITH_METHOD
- 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
- JSON_KEY_VALUE_PAIR_SEP
- INSERT_OVERWRITE
- SUPPORTS_CREATE_TABLE_LIKE
- JSON_PATH_BRACKETED_KEY_SUPPORTED
- JSON_PATH_SINGLE_QUOTE_ESCAPE
- SUPPORTS_TO_NUMBER
- SET_OP_MODIFIERS
- COPY_PARAMS_EQ_REQUIRED
- STAR_EXCEPT
- QUOTE_JSON_PATH
- TIME_PART_SINGULARS
- TOKEN_MAPPING
- STRUCT_DELIMITER
- NAMED_PLACEHOLDER_TOKEN
- WITH_SEPARATED_COMMENTS
- EXCLUDE_COMMENTS
- UNWRAPPED_INTERVAL_VALUES
- PARAMETERIZABLE_TEXT_TYPES
- EXPRESSIONS_WITHOUT_NESTED_CTES
- SENTINEL_LINE_BREAK
- pretty
- identify
- normalize
- pad
- unsupported_level
- max_unsupported
- leading_comma
- max_text_width
- comments
- dialect
- normalize_functions
- unsupported_messages
- generate
- preprocess
- unsupported
- sep
- seg
- pad_comment
- maybe_comment
- wrap
- no_identify
- normalize_func
- indent
- sql
- uncache_sql
- cache_sql
- characterset_sql
- column_parts
- column_sql
- columnposition_sql
- columndef_sql
- columnconstraint_sql
- computedcolumnconstraint_sql
- autoincrementcolumnconstraint_sql
- compresscolumnconstraint_sql
- generatedasidentitycolumnconstraint_sql
- generatedasrowcolumnconstraint_sql
- periodforsystemtimeconstraint_sql
- notnullcolumnconstraint_sql
- transformcolumnconstraint_sql
- primarykeycolumnconstraint_sql
- uniquecolumnconstraint_sql
- createable_sql
- create_sql
- sequenceproperties_sql
- clone_sql
- describe_sql
- heredoc_sql
- prepend_ctes
- with_sql
- cte_sql
- tablealias_sql
- bitstring_sql
- hexstring_sql
- bytestring_sql
- unicodestring_sql
- rawstring_sql
- datatypeparam_sql
- directory_sql
- delete_sql
- drop_sql
- except_sql
- except_op
- fetch_sql
- filter_sql
- hint_sql
- indexparameters_sql
- index_sql
- identifier_sql
- hex_sql
- lowerhex_sql
- inputoutputformat_sql
- national_sql
- partition_sql
- properties_sql
- root_properties
- properties
- with_properties
- locate_properties
- property_name
- property_sql
- likeproperty_sql
- fallbackproperty_sql
- journalproperty_sql
- freespaceproperty_sql
- checksumproperty_sql
- mergeblockratioproperty_sql
- datablocksizeproperty_sql
- blockcompressionproperty_sql
- isolatedloadingproperty_sql
- partitionboundspec_sql
- partitionedofproperty_sql
- lockingproperty_sql
- withdataproperty_sql
- withsystemversioningproperty_sql
- insert_sql
- intersect_sql
- intersect_op
- introducer_sql
- kill_sql
- pseudotype_sql
- objectidentifier_sql
- onconflict_sql
- returning_sql
- rowformatdelimitedproperty_sql
- withtablehint_sql
- indextablehint_sql
- historicaldata_sql
- table_parts
- table_sql
- tablesample_sql
- pivot_sql
- version_sql
- tuple_sql
- update_sql
- values_sql
- var_sql
- into_sql
- from_sql
- group_sql
- having_sql
- connect_sql
- prior_sql
- join_sql
- lambda_sql
- lateral_op
- lateral_sql
- limit_sql
- offset_sql
- setitem_sql
- set_sql
- pragma_sql
- lock_sql
- literal_sql
- escape_str
- loaddata_sql
- null_sql
- boolean_sql
- order_sql
- withfill_sql
- cluster_sql
- distribute_sql
- sort_sql
- ordered_sql
- matchrecognizemeasure_sql
- matchrecognize_sql
- query_modifiers
- options_modifier
- queryoption_sql
- offset_limit_modifiers
- after_limit_modifiers
- select_sql
- schema_sql
- schema_columns_sql
- star_sql
- parameter_sql
- sessionparameter_sql
- placeholder_sql
- subquery_sql
- qualify_sql
- set_operations
- union_sql
- union_op
- prewhere_sql
- where_sql
- window_sql
- partition_by_sql
- windowspec_sql
- withingroup_sql
- between_sql
- bracket_offset_expressions
- all_sql
- any_sql
- exists_sql
- case_sql
- constraint_sql
- nextvaluefor_sql
- extract_sql
- trim_sql
- convert_concat_args
- concat_sql
- concatws_sql
- check_sql
- foreignkey_sql
- primarykey_sql
- if_sql
- jsonkeyvalue_sql
- jsonpath_sql
- json_path_part
- formatjson_sql
- jsonobject_sql
- jsonobjectagg_sql
- jsonarray_sql
- jsonarrayagg_sql
- jsoncolumndef_sql
- jsonschema_sql
- jsontable_sql
- openjsoncolumndef_sql
- openjson_sql
- in_sql
- in_unnest_op
- interval_sql
- return_sql
- reference_sql
- anonymous_sql
- paren_sql
- neg_sql
- not_sql
- alias_sql
- pivotalias_sql
- aliases_sql
- atindex_sql
- attimezone_sql
- fromtimezone_sql
- add_sql
- and_sql
- or_sql
- xor_sql
- connector_sql
- bitwiseand_sql
- bitwiseleftshift_sql
- bitwisenot_sql
- bitwiseor_sql
- bitwiserightshift_sql
- bitwisexor_sql
- currentdate_sql
- currenttimestamp_sql
- collate_sql
- command_sql
- comment_sql
- mergetreettlaction_sql
- mergetreettl_sql
- transaction_sql
- commit_sql
- rollback_sql
- altercolumn_sql
- alterdiststyle_sql
- altersortkey_sql
- renametable_sql
- renamecolumn_sql
- altertable_sql
- add_column_sql
- droppartition_sql
- addconstraint_sql
- distinct_sql
- ignorenulls_sql
- respectnulls_sql
- havingmax_sql
- intdiv_sql
- dpipe_sql
- div_sql
- overlaps_sql
- distance_sql
- dot_sql
- eq_sql
- propertyeq_sql
- escape_sql
- glob_sql
- gt_sql
- gte_sql
- ilike_sql
- ilikeany_sql
- is_sql
- like_sql
- likeany_sql
- similarto_sql
- lt_sql
- lte_sql
- mod_sql
- mul_sql
- neq_sql
- nullsafeeq_sql
- nullsafeneq_sql
- slice_sql
- sub_sql
- trycast_sql
- try_sql
- log_sql
- use_sql
- binary
- function_fallback_sql
- func
- format_args
- too_wide
- format_time
- expressions
- op_expressions
- naked_property
- tag_sql
- token_sql
- userdefinedfunction_sql
- joinhint_sql
- kwarg_sql
- when_sql
- merge_sql
- tochar_sql
- tonumber_sql
- dictproperty_sql
- dictrange_sql
- dictsubproperty_sql
- oncluster_sql
- clusteredbyproperty_sql
- anyvalue_sql
- querytransform_sql
- indexconstraintoption_sql
- checkcolumnconstraint_sql
- indexcolumnconstraint_sql
- nvl2_sql
- comprehension_sql
- columnprefix_sql
- opclass_sql
- predict_sql
- forin_sql
- refresh_sql
- operator_sql
- toarray_sql
- tsordstotime_sql
- tsordstotimestamp_sql
- tsordstodate_sql
- unixdate_sql
- lastday_sql
- dateadd_sql
- arrayany_sql
- generateseries_sql
- struct_sql
- partitionrange_sql
- truncatetable_sql
- convert_sql
- copyparameter_sql
- credentials_sql
- copy_sql
- semicolon_sql
- datadeletionproperty_sql
- maskingpolicycolumnconstraint_sql
- gapfill_sql
- sqlglot.dialects.postgres.Postgres.Generator
- SINGLE_STRING_INTERVAL
- RENAME_TABLE_WITH_DB
- JOIN_HINTS
- TABLE_HINTS
- PARAMETER_TOKEN
- TABLESAMPLE_SIZE_IS_ROWS
- TABLESAMPLE_SEED_KEYWORD
- SUPPORTS_SELECT_INTO
- JSON_TYPE_REQUIRED_FOR_EXTRACTION
- SUPPORTS_UNLOGGED_TABLES
- LIKE_PROPERTY_INSIDE_SCHEMA
- COPY_HAS_INTO_KEYWORD
- SUPPORTED_JSON_PATH_PARTS
- PROPERTIES_LOCATION
- schemacommentproperty_sql
- commentcolumnconstraint_sql
- bracket_sql
- matchagainst_sql