| 1 | /**
|
|---|
| 2 | * @param {string} value
|
|---|
| 3 | * @returns {RegExp}
|
|---|
| 4 | * */
|
|---|
| 5 |
|
|---|
| 6 | /**
|
|---|
| 7 | * @param {RegExp | string } re
|
|---|
| 8 | * @returns {string}
|
|---|
| 9 | */
|
|---|
| 10 | function source(re) {
|
|---|
| 11 | if (!re) return null;
|
|---|
| 12 | if (typeof re === "string") return re;
|
|---|
| 13 |
|
|---|
| 14 | return re.source;
|
|---|
| 15 | }
|
|---|
| 16 |
|
|---|
| 17 | /**
|
|---|
| 18 | * @param {...(RegExp | string) } args
|
|---|
| 19 | * @returns {string}
|
|---|
| 20 | */
|
|---|
| 21 | function concat(...args) {
|
|---|
| 22 | const joined = args.map((x) => source(x)).join("");
|
|---|
| 23 | return joined;
|
|---|
| 24 | }
|
|---|
| 25 |
|
|---|
| 26 | /**
|
|---|
| 27 | * Any of the passed expresssions may match
|
|---|
| 28 | *
|
|---|
| 29 | * Creates a huge this | this | that | that match
|
|---|
| 30 | * @param {(RegExp | string)[] } args
|
|---|
| 31 | * @returns {string}
|
|---|
| 32 | */
|
|---|
| 33 | function either(...args) {
|
|---|
| 34 | const joined = '(' + args.map((x) => source(x)).join("|") + ")";
|
|---|
| 35 | return joined;
|
|---|
| 36 | }
|
|---|
| 37 |
|
|---|
| 38 | /*
|
|---|
| 39 | Language: SQL
|
|---|
| 40 | Website: https://en.wikipedia.org/wiki/SQL
|
|---|
| 41 | Category: common, database
|
|---|
| 42 | */
|
|---|
| 43 |
|
|---|
| 44 | function sql(hljs) {
|
|---|
| 45 | const COMMENT_MODE = hljs.COMMENT('--', '$');
|
|---|
| 46 | const STRING = {
|
|---|
| 47 | className: 'string',
|
|---|
| 48 | variants: [
|
|---|
| 49 | {
|
|---|
| 50 | begin: /'/,
|
|---|
| 51 | end: /'/,
|
|---|
| 52 | contains: [
|
|---|
| 53 | {begin: /''/ }
|
|---|
| 54 | ]
|
|---|
| 55 | }
|
|---|
| 56 | ]
|
|---|
| 57 | };
|
|---|
| 58 | const QUOTED_IDENTIFIER = {
|
|---|
| 59 | begin: /"/,
|
|---|
| 60 | end: /"/,
|
|---|
| 61 | contains: [ { begin: /""/ } ]
|
|---|
| 62 | };
|
|---|
| 63 |
|
|---|
| 64 | const LITERALS = [
|
|---|
| 65 | "true",
|
|---|
| 66 | "false",
|
|---|
| 67 | // Not sure it's correct to call NULL literal, and clauses like IS [NOT] NULL look strange that way.
|
|---|
| 68 | // "null",
|
|---|
| 69 | "unknown"
|
|---|
| 70 | ];
|
|---|
| 71 |
|
|---|
| 72 | const MULTI_WORD_TYPES = [
|
|---|
| 73 | "double precision",
|
|---|
| 74 | "large object",
|
|---|
| 75 | "with timezone",
|
|---|
| 76 | "without timezone"
|
|---|
| 77 | ];
|
|---|
| 78 |
|
|---|
| 79 | const TYPES = [
|
|---|
| 80 | 'bigint',
|
|---|
| 81 | 'binary',
|
|---|
| 82 | 'blob',
|
|---|
| 83 | 'boolean',
|
|---|
| 84 | 'char',
|
|---|
| 85 | 'character',
|
|---|
| 86 | 'clob',
|
|---|
| 87 | 'date',
|
|---|
| 88 | 'dec',
|
|---|
| 89 | 'decfloat',
|
|---|
| 90 | 'decimal',
|
|---|
| 91 | 'float',
|
|---|
| 92 | 'int',
|
|---|
| 93 | 'integer',
|
|---|
| 94 | 'interval',
|
|---|
| 95 | 'nchar',
|
|---|
| 96 | 'nclob',
|
|---|
| 97 | 'national',
|
|---|
| 98 | 'numeric',
|
|---|
| 99 | 'real',
|
|---|
| 100 | 'row',
|
|---|
| 101 | 'smallint',
|
|---|
| 102 | 'time',
|
|---|
| 103 | 'timestamp',
|
|---|
| 104 | 'varchar',
|
|---|
| 105 | 'varying', // modifier (character varying)
|
|---|
| 106 | 'varbinary'
|
|---|
| 107 | ];
|
|---|
| 108 |
|
|---|
| 109 | const NON_RESERVED_WORDS = [
|
|---|
| 110 | "add",
|
|---|
| 111 | "asc",
|
|---|
| 112 | "collation",
|
|---|
| 113 | "desc",
|
|---|
| 114 | "final",
|
|---|
| 115 | "first",
|
|---|
| 116 | "last",
|
|---|
| 117 | "view"
|
|---|
| 118 | ];
|
|---|
| 119 |
|
|---|
| 120 | // https://jakewheat.github.io/sql-overview/sql-2016-foundation-grammar.html#reserved-word
|
|---|
| 121 | const RESERVED_WORDS = [
|
|---|
| 122 | "abs",
|
|---|
| 123 | "acos",
|
|---|
| 124 | "all",
|
|---|
| 125 | "allocate",
|
|---|
| 126 | "alter",
|
|---|
| 127 | "and",
|
|---|
| 128 | "any",
|
|---|
| 129 | "are",
|
|---|
| 130 | "array",
|
|---|
| 131 | "array_agg",
|
|---|
| 132 | "array_max_cardinality",
|
|---|
| 133 | "as",
|
|---|
| 134 | "asensitive",
|
|---|
| 135 | "asin",
|
|---|
| 136 | "asymmetric",
|
|---|
| 137 | "at",
|
|---|
| 138 | "atan",
|
|---|
| 139 | "atomic",
|
|---|
| 140 | "authorization",
|
|---|
| 141 | "avg",
|
|---|
| 142 | "begin",
|
|---|
| 143 | "begin_frame",
|
|---|
| 144 | "begin_partition",
|
|---|
| 145 | "between",
|
|---|
| 146 | "bigint",
|
|---|
| 147 | "binary",
|
|---|
| 148 | "blob",
|
|---|
| 149 | "boolean",
|
|---|
| 150 | "both",
|
|---|
| 151 | "by",
|
|---|
| 152 | "call",
|
|---|
| 153 | "called",
|
|---|
| 154 | "cardinality",
|
|---|
| 155 | "cascaded",
|
|---|
| 156 | "case",
|
|---|
| 157 | "cast",
|
|---|
| 158 | "ceil",
|
|---|
| 159 | "ceiling",
|
|---|
| 160 | "char",
|
|---|
| 161 | "char_length",
|
|---|
| 162 | "character",
|
|---|
| 163 | "character_length",
|
|---|
| 164 | "check",
|
|---|
| 165 | "classifier",
|
|---|
| 166 | "clob",
|
|---|
| 167 | "close",
|
|---|
| 168 | "coalesce",
|
|---|
| 169 | "collate",
|
|---|
| 170 | "collect",
|
|---|
| 171 | "column",
|
|---|
| 172 | "commit",
|
|---|
| 173 | "condition",
|
|---|
| 174 | "connect",
|
|---|
| 175 | "constraint",
|
|---|
| 176 | "contains",
|
|---|
| 177 | "convert",
|
|---|
| 178 | "copy",
|
|---|
| 179 | "corr",
|
|---|
| 180 | "corresponding",
|
|---|
| 181 | "cos",
|
|---|
| 182 | "cosh",
|
|---|
| 183 | "count",
|
|---|
| 184 | "covar_pop",
|
|---|
| 185 | "covar_samp",
|
|---|
| 186 | "create",
|
|---|
| 187 | "cross",
|
|---|
| 188 | "cube",
|
|---|
| 189 | "cume_dist",
|
|---|
| 190 | "current",
|
|---|
| 191 | "current_catalog",
|
|---|
| 192 | "current_date",
|
|---|
| 193 | "current_default_transform_group",
|
|---|
| 194 | "current_path",
|
|---|
| 195 | "current_role",
|
|---|
| 196 | "current_row",
|
|---|
| 197 | "current_schema",
|
|---|
| 198 | "current_time",
|
|---|
| 199 | "current_timestamp",
|
|---|
| 200 | "current_path",
|
|---|
| 201 | "current_role",
|
|---|
| 202 | "current_transform_group_for_type",
|
|---|
| 203 | "current_user",
|
|---|
| 204 | "cursor",
|
|---|
| 205 | "cycle",
|
|---|
| 206 | "date",
|
|---|
| 207 | "day",
|
|---|
| 208 | "deallocate",
|
|---|
| 209 | "dec",
|
|---|
| 210 | "decimal",
|
|---|
| 211 | "decfloat",
|
|---|
| 212 | "declare",
|
|---|
| 213 | "default",
|
|---|
| 214 | "define",
|
|---|
| 215 | "delete",
|
|---|
| 216 | "dense_rank",
|
|---|
| 217 | "deref",
|
|---|
| 218 | "describe",
|
|---|
| 219 | "deterministic",
|
|---|
| 220 | "disconnect",
|
|---|
| 221 | "distinct",
|
|---|
| 222 | "double",
|
|---|
| 223 | "drop",
|
|---|
| 224 | "dynamic",
|
|---|
| 225 | "each",
|
|---|
| 226 | "element",
|
|---|
| 227 | "else",
|
|---|
| 228 | "empty",
|
|---|
| 229 | "end",
|
|---|
| 230 | "end_frame",
|
|---|
| 231 | "end_partition",
|
|---|
| 232 | "end-exec",
|
|---|
| 233 | "equals",
|
|---|
| 234 | "escape",
|
|---|
| 235 | "every",
|
|---|
| 236 | "except",
|
|---|
| 237 | "exec",
|
|---|
| 238 | "execute",
|
|---|
| 239 | "exists",
|
|---|
| 240 | "exp",
|
|---|
| 241 | "external",
|
|---|
| 242 | "extract",
|
|---|
| 243 | "false",
|
|---|
| 244 | "fetch",
|
|---|
| 245 | "filter",
|
|---|
| 246 | "first_value",
|
|---|
| 247 | "float",
|
|---|
| 248 | "floor",
|
|---|
| 249 | "for",
|
|---|
| 250 | "foreign",
|
|---|
| 251 | "frame_row",
|
|---|
| 252 | "free",
|
|---|
| 253 | "from",
|
|---|
| 254 | "full",
|
|---|
| 255 | "function",
|
|---|
| 256 | "fusion",
|
|---|
| 257 | "get",
|
|---|
| 258 | "global",
|
|---|
| 259 | "grant",
|
|---|
| 260 | "group",
|
|---|
| 261 | "grouping",
|
|---|
| 262 | "groups",
|
|---|
| 263 | "having",
|
|---|
| 264 | "hold",
|
|---|
| 265 | "hour",
|
|---|
| 266 | "identity",
|
|---|
| 267 | "in",
|
|---|
| 268 | "indicator",
|
|---|
| 269 | "initial",
|
|---|
| 270 | "inner",
|
|---|
| 271 | "inout",
|
|---|
| 272 | "insensitive",
|
|---|
| 273 | "insert",
|
|---|
| 274 | "int",
|
|---|
| 275 | "integer",
|
|---|
| 276 | "intersect",
|
|---|
| 277 | "intersection",
|
|---|
| 278 | "interval",
|
|---|
| 279 | "into",
|
|---|
| 280 | "is",
|
|---|
| 281 | "join",
|
|---|
| 282 | "json_array",
|
|---|
| 283 | "json_arrayagg",
|
|---|
| 284 | "json_exists",
|
|---|
| 285 | "json_object",
|
|---|
| 286 | "json_objectagg",
|
|---|
| 287 | "json_query",
|
|---|
| 288 | "json_table",
|
|---|
| 289 | "json_table_primitive",
|
|---|
| 290 | "json_value",
|
|---|
| 291 | "lag",
|
|---|
| 292 | "language",
|
|---|
| 293 | "large",
|
|---|
| 294 | "last_value",
|
|---|
| 295 | "lateral",
|
|---|
| 296 | "lead",
|
|---|
| 297 | "leading",
|
|---|
| 298 | "left",
|
|---|
| 299 | "like",
|
|---|
| 300 | "like_regex",
|
|---|
| 301 | "listagg",
|
|---|
| 302 | "ln",
|
|---|
| 303 | "local",
|
|---|
| 304 | "localtime",
|
|---|
| 305 | "localtimestamp",
|
|---|
| 306 | "log",
|
|---|
| 307 | "log10",
|
|---|
| 308 | "lower",
|
|---|
| 309 | "match",
|
|---|
| 310 | "match_number",
|
|---|
| 311 | "match_recognize",
|
|---|
| 312 | "matches",
|
|---|
| 313 | "max",
|
|---|
| 314 | "member",
|
|---|
| 315 | "merge",
|
|---|
| 316 | "method",
|
|---|
| 317 | "min",
|
|---|
| 318 | "minute",
|
|---|
| 319 | "mod",
|
|---|
| 320 | "modifies",
|
|---|
| 321 | "module",
|
|---|
| 322 | "month",
|
|---|
| 323 | "multiset",
|
|---|
| 324 | "national",
|
|---|
| 325 | "natural",
|
|---|
| 326 | "nchar",
|
|---|
| 327 | "nclob",
|
|---|
| 328 | "new",
|
|---|
| 329 | "no",
|
|---|
| 330 | "none",
|
|---|
| 331 | "normalize",
|
|---|
| 332 | "not",
|
|---|
| 333 | "nth_value",
|
|---|
| 334 | "ntile",
|
|---|
| 335 | "null",
|
|---|
| 336 | "nullif",
|
|---|
| 337 | "numeric",
|
|---|
| 338 | "octet_length",
|
|---|
| 339 | "occurrences_regex",
|
|---|
| 340 | "of",
|
|---|
| 341 | "offset",
|
|---|
| 342 | "old",
|
|---|
| 343 | "omit",
|
|---|
| 344 | "on",
|
|---|
| 345 | "one",
|
|---|
| 346 | "only",
|
|---|
| 347 | "open",
|
|---|
| 348 | "or",
|
|---|
| 349 | "order",
|
|---|
| 350 | "out",
|
|---|
| 351 | "outer",
|
|---|
| 352 | "over",
|
|---|
| 353 | "overlaps",
|
|---|
| 354 | "overlay",
|
|---|
| 355 | "parameter",
|
|---|
| 356 | "partition",
|
|---|
| 357 | "pattern",
|
|---|
| 358 | "per",
|
|---|
| 359 | "percent",
|
|---|
| 360 | "percent_rank",
|
|---|
| 361 | "percentile_cont",
|
|---|
| 362 | "percentile_disc",
|
|---|
| 363 | "period",
|
|---|
| 364 | "portion",
|
|---|
| 365 | "position",
|
|---|
| 366 | "position_regex",
|
|---|
| 367 | "power",
|
|---|
| 368 | "precedes",
|
|---|
| 369 | "precision",
|
|---|
| 370 | "prepare",
|
|---|
| 371 | "primary",
|
|---|
| 372 | "procedure",
|
|---|
| 373 | "ptf",
|
|---|
| 374 | "range",
|
|---|
| 375 | "rank",
|
|---|
| 376 | "reads",
|
|---|
| 377 | "real",
|
|---|
| 378 | "recursive",
|
|---|
| 379 | "ref",
|
|---|
| 380 | "references",
|
|---|
| 381 | "referencing",
|
|---|
| 382 | "regr_avgx",
|
|---|
| 383 | "regr_avgy",
|
|---|
| 384 | "regr_count",
|
|---|
| 385 | "regr_intercept",
|
|---|
| 386 | "regr_r2",
|
|---|
| 387 | "regr_slope",
|
|---|
| 388 | "regr_sxx",
|
|---|
| 389 | "regr_sxy",
|
|---|
| 390 | "regr_syy",
|
|---|
| 391 | "release",
|
|---|
| 392 | "result",
|
|---|
| 393 | "return",
|
|---|
| 394 | "returns",
|
|---|
| 395 | "revoke",
|
|---|
| 396 | "right",
|
|---|
| 397 | "rollback",
|
|---|
| 398 | "rollup",
|
|---|
| 399 | "row",
|
|---|
| 400 | "row_number",
|
|---|
| 401 | "rows",
|
|---|
| 402 | "running",
|
|---|
| 403 | "savepoint",
|
|---|
| 404 | "scope",
|
|---|
| 405 | "scroll",
|
|---|
| 406 | "search",
|
|---|
| 407 | "second",
|
|---|
| 408 | "seek",
|
|---|
| 409 | "select",
|
|---|
| 410 | "sensitive",
|
|---|
| 411 | "session_user",
|
|---|
| 412 | "set",
|
|---|
| 413 | "show",
|
|---|
| 414 | "similar",
|
|---|
| 415 | "sin",
|
|---|
| 416 | "sinh",
|
|---|
| 417 | "skip",
|
|---|
| 418 | "smallint",
|
|---|
| 419 | "some",
|
|---|
| 420 | "specific",
|
|---|
| 421 | "specifictype",
|
|---|
| 422 | "sql",
|
|---|
| 423 | "sqlexception",
|
|---|
| 424 | "sqlstate",
|
|---|
| 425 | "sqlwarning",
|
|---|
| 426 | "sqrt",
|
|---|
| 427 | "start",
|
|---|
| 428 | "static",
|
|---|
| 429 | "stddev_pop",
|
|---|
| 430 | "stddev_samp",
|
|---|
| 431 | "submultiset",
|
|---|
| 432 | "subset",
|
|---|
| 433 | "substring",
|
|---|
| 434 | "substring_regex",
|
|---|
| 435 | "succeeds",
|
|---|
| 436 | "sum",
|
|---|
| 437 | "symmetric",
|
|---|
| 438 | "system",
|
|---|
| 439 | "system_time",
|
|---|
| 440 | "system_user",
|
|---|
| 441 | "table",
|
|---|
| 442 | "tablesample",
|
|---|
| 443 | "tan",
|
|---|
| 444 | "tanh",
|
|---|
| 445 | "then",
|
|---|
| 446 | "time",
|
|---|
| 447 | "timestamp",
|
|---|
| 448 | "timezone_hour",
|
|---|
| 449 | "timezone_minute",
|
|---|
| 450 | "to",
|
|---|
| 451 | "trailing",
|
|---|
| 452 | "translate",
|
|---|
| 453 | "translate_regex",
|
|---|
| 454 | "translation",
|
|---|
| 455 | "treat",
|
|---|
| 456 | "trigger",
|
|---|
| 457 | "trim",
|
|---|
| 458 | "trim_array",
|
|---|
| 459 | "true",
|
|---|
| 460 | "truncate",
|
|---|
| 461 | "uescape",
|
|---|
| 462 | "union",
|
|---|
| 463 | "unique",
|
|---|
| 464 | "unknown",
|
|---|
| 465 | "unnest",
|
|---|
| 466 | "update ",
|
|---|
| 467 | "upper",
|
|---|
| 468 | "user",
|
|---|
| 469 | "using",
|
|---|
| 470 | "value",
|
|---|
| 471 | "values",
|
|---|
| 472 | "value_of",
|
|---|
| 473 | "var_pop",
|
|---|
| 474 | "var_samp",
|
|---|
| 475 | "varbinary",
|
|---|
| 476 | "varchar",
|
|---|
| 477 | "varying",
|
|---|
| 478 | "versioning",
|
|---|
| 479 | "when",
|
|---|
| 480 | "whenever",
|
|---|
| 481 | "where",
|
|---|
| 482 | "width_bucket",
|
|---|
| 483 | "window",
|
|---|
| 484 | "with",
|
|---|
| 485 | "within",
|
|---|
| 486 | "without",
|
|---|
| 487 | "year",
|
|---|
| 488 | ];
|
|---|
| 489 |
|
|---|
| 490 | // these are reserved words we have identified to be functions
|
|---|
| 491 | // and should only be highlighted in a dispatch-like context
|
|---|
| 492 | // ie, array_agg(...), etc.
|
|---|
| 493 | const RESERVED_FUNCTIONS = [
|
|---|
| 494 | "abs",
|
|---|
| 495 | "acos",
|
|---|
| 496 | "array_agg",
|
|---|
| 497 | "asin",
|
|---|
| 498 | "atan",
|
|---|
| 499 | "avg",
|
|---|
| 500 | "cast",
|
|---|
| 501 | "ceil",
|
|---|
| 502 | "ceiling",
|
|---|
| 503 | "coalesce",
|
|---|
| 504 | "corr",
|
|---|
| 505 | "cos",
|
|---|
| 506 | "cosh",
|
|---|
| 507 | "count",
|
|---|
| 508 | "covar_pop",
|
|---|
| 509 | "covar_samp",
|
|---|
| 510 | "cume_dist",
|
|---|
| 511 | "dense_rank",
|
|---|
| 512 | "deref",
|
|---|
| 513 | "element",
|
|---|
| 514 | "exp",
|
|---|
| 515 | "extract",
|
|---|
| 516 | "first_value",
|
|---|
| 517 | "floor",
|
|---|
| 518 | "json_array",
|
|---|
| 519 | "json_arrayagg",
|
|---|
| 520 | "json_exists",
|
|---|
| 521 | "json_object",
|
|---|
| 522 | "json_objectagg",
|
|---|
| 523 | "json_query",
|
|---|
| 524 | "json_table",
|
|---|
| 525 | "json_table_primitive",
|
|---|
| 526 | "json_value",
|
|---|
| 527 | "lag",
|
|---|
| 528 | "last_value",
|
|---|
| 529 | "lead",
|
|---|
| 530 | "listagg",
|
|---|
| 531 | "ln",
|
|---|
| 532 | "log",
|
|---|
| 533 | "log10",
|
|---|
| 534 | "lower",
|
|---|
| 535 | "max",
|
|---|
| 536 | "min",
|
|---|
| 537 | "mod",
|
|---|
| 538 | "nth_value",
|
|---|
| 539 | "ntile",
|
|---|
| 540 | "nullif",
|
|---|
| 541 | "percent_rank",
|
|---|
| 542 | "percentile_cont",
|
|---|
| 543 | "percentile_disc",
|
|---|
| 544 | "position",
|
|---|
| 545 | "position_regex",
|
|---|
| 546 | "power",
|
|---|
| 547 | "rank",
|
|---|
| 548 | "regr_avgx",
|
|---|
| 549 | "regr_avgy",
|
|---|
| 550 | "regr_count",
|
|---|
| 551 | "regr_intercept",
|
|---|
| 552 | "regr_r2",
|
|---|
| 553 | "regr_slope",
|
|---|
| 554 | "regr_sxx",
|
|---|
| 555 | "regr_sxy",
|
|---|
| 556 | "regr_syy",
|
|---|
| 557 | "row_number",
|
|---|
| 558 | "sin",
|
|---|
| 559 | "sinh",
|
|---|
| 560 | "sqrt",
|
|---|
| 561 | "stddev_pop",
|
|---|
| 562 | "stddev_samp",
|
|---|
| 563 | "substring",
|
|---|
| 564 | "substring_regex",
|
|---|
| 565 | "sum",
|
|---|
| 566 | "tan",
|
|---|
| 567 | "tanh",
|
|---|
| 568 | "translate",
|
|---|
| 569 | "translate_regex",
|
|---|
| 570 | "treat",
|
|---|
| 571 | "trim",
|
|---|
| 572 | "trim_array",
|
|---|
| 573 | "unnest",
|
|---|
| 574 | "upper",
|
|---|
| 575 | "value_of",
|
|---|
| 576 | "var_pop",
|
|---|
| 577 | "var_samp",
|
|---|
| 578 | "width_bucket",
|
|---|
| 579 | ];
|
|---|
| 580 |
|
|---|
| 581 | // these functions can
|
|---|
| 582 | const POSSIBLE_WITHOUT_PARENS = [
|
|---|
| 583 | "current_catalog",
|
|---|
| 584 | "current_date",
|
|---|
| 585 | "current_default_transform_group",
|
|---|
| 586 | "current_path",
|
|---|
| 587 | "current_role",
|
|---|
| 588 | "current_schema",
|
|---|
| 589 | "current_transform_group_for_type",
|
|---|
| 590 | "current_user",
|
|---|
| 591 | "session_user",
|
|---|
| 592 | "system_time",
|
|---|
| 593 | "system_user",
|
|---|
| 594 | "current_time",
|
|---|
| 595 | "localtime",
|
|---|
| 596 | "current_timestamp",
|
|---|
| 597 | "localtimestamp"
|
|---|
| 598 | ];
|
|---|
| 599 |
|
|---|
| 600 | // those exist to boost relevance making these very
|
|---|
| 601 | // "SQL like" keyword combos worth +1 extra relevance
|
|---|
| 602 | const COMBOS = [
|
|---|
| 603 | "create table",
|
|---|
| 604 | "insert into",
|
|---|
| 605 | "primary key",
|
|---|
| 606 | "foreign key",
|
|---|
| 607 | "not null",
|
|---|
| 608 | "alter table",
|
|---|
| 609 | "add constraint",
|
|---|
| 610 | "grouping sets",
|
|---|
| 611 | "on overflow",
|
|---|
| 612 | "character set",
|
|---|
| 613 | "respect nulls",
|
|---|
| 614 | "ignore nulls",
|
|---|
| 615 | "nulls first",
|
|---|
| 616 | "nulls last",
|
|---|
| 617 | "depth first",
|
|---|
| 618 | "breadth first"
|
|---|
| 619 | ];
|
|---|
| 620 |
|
|---|
| 621 | const FUNCTIONS = RESERVED_FUNCTIONS;
|
|---|
| 622 |
|
|---|
| 623 | const KEYWORDS = [...RESERVED_WORDS, ...NON_RESERVED_WORDS].filter((keyword) => {
|
|---|
| 624 | return !RESERVED_FUNCTIONS.includes(keyword);
|
|---|
| 625 | });
|
|---|
| 626 |
|
|---|
| 627 | const VARIABLE = {
|
|---|
| 628 | className: "variable",
|
|---|
| 629 | begin: /@[a-z0-9]+/,
|
|---|
| 630 | };
|
|---|
| 631 |
|
|---|
| 632 | const OPERATOR = {
|
|---|
| 633 | className: "operator",
|
|---|
| 634 | begin: /[-+*/=%^~]|&&?|\|\|?|!=?|<(?:=>?|<|>)?|>[>=]?/,
|
|---|
| 635 | relevance: 0,
|
|---|
| 636 | };
|
|---|
| 637 |
|
|---|
| 638 | const FUNCTION_CALL = {
|
|---|
| 639 | begin: concat(/\b/, either(...FUNCTIONS), /\s*\(/),
|
|---|
| 640 | keywords: {
|
|---|
| 641 | built_in: FUNCTIONS
|
|---|
| 642 | }
|
|---|
| 643 | };
|
|---|
| 644 |
|
|---|
| 645 | // keywords with less than 3 letters are reduced in relevancy
|
|---|
| 646 | function reduceRelevancy(list, {exceptions, when} = {}) {
|
|---|
| 647 | const qualifyFn = when;
|
|---|
| 648 | exceptions = exceptions || [];
|
|---|
| 649 | return list.map((item) => {
|
|---|
| 650 | if (item.match(/\|\d+$/) || exceptions.includes(item)) {
|
|---|
| 651 | return item;
|
|---|
| 652 | } else if (qualifyFn(item)) {
|
|---|
| 653 | return `${item}|0`;
|
|---|
| 654 | } else {
|
|---|
| 655 | return item;
|
|---|
| 656 | }
|
|---|
| 657 | });
|
|---|
| 658 | }
|
|---|
| 659 |
|
|---|
| 660 | return {
|
|---|
| 661 | name: 'SQL',
|
|---|
| 662 | case_insensitive: true,
|
|---|
| 663 | // does not include {} or HTML tags `</`
|
|---|
| 664 | illegal: /[{}]|<\//,
|
|---|
| 665 | keywords: {
|
|---|
| 666 | $pattern: /\b[\w\.]+/,
|
|---|
| 667 | keyword:
|
|---|
| 668 | reduceRelevancy(KEYWORDS, { when: (x) => x.length < 3 }),
|
|---|
| 669 | literal: LITERALS,
|
|---|
| 670 | type: TYPES,
|
|---|
| 671 | built_in: POSSIBLE_WITHOUT_PARENS
|
|---|
| 672 | },
|
|---|
| 673 | contains: [
|
|---|
| 674 | {
|
|---|
| 675 | begin: either(...COMBOS),
|
|---|
| 676 | keywords: {
|
|---|
| 677 | $pattern: /[\w\.]+/,
|
|---|
| 678 | keyword: KEYWORDS.concat(COMBOS),
|
|---|
| 679 | literal: LITERALS,
|
|---|
| 680 | type: TYPES
|
|---|
| 681 | },
|
|---|
| 682 | },
|
|---|
| 683 | {
|
|---|
| 684 | className: "type",
|
|---|
| 685 | begin: either(...MULTI_WORD_TYPES)
|
|---|
| 686 | },
|
|---|
| 687 | FUNCTION_CALL,
|
|---|
| 688 | VARIABLE,
|
|---|
| 689 | STRING,
|
|---|
| 690 | QUOTED_IDENTIFIER,
|
|---|
| 691 | hljs.C_NUMBER_MODE,
|
|---|
| 692 | hljs.C_BLOCK_COMMENT_MODE,
|
|---|
| 693 | COMMENT_MODE,
|
|---|
| 694 | OPERATOR
|
|---|
| 695 | ]
|
|---|
| 696 | };
|
|---|
| 697 | }
|
|---|
| 698 |
|
|---|
| 699 | module.exports = sql;
|
|---|
