| [d24f17c] | 1 | /**
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| 2 | * @param {string} value
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| 3 | * @returns {RegExp}
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| 4 | * */
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| 5 |
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| 6 | /**
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| 7 | * @param {RegExp | string } re
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| 8 | * @returns {string}
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| 9 | */
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| 10 | function source(re) {
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| 11 | if (!re) return null;
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| 12 | if (typeof re === "string") return re;
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| 13 |
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| 14 | return re.source;
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| 15 | }
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| 16 |
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| 17 | /**
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| 18 | * @param {...(RegExp | string) } args
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| 19 | * @returns {string}
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| 20 | */
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| 21 | function concat(...args) {
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| 22 | const joined = args.map((x) => source(x)).join("");
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| 23 | return joined;
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| 24 | }
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| 25 |
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| 26 | /**
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| 27 | * Any of the passed expresssions may match
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| 28 | *
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| 29 | * Creates a huge this | this | that | that match
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| 30 | * @param {(RegExp | string)[] } args
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| 31 | * @returns {string}
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| 32 | */
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| 33 | function either(...args) {
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| 34 | const joined = '(' + args.map((x) => source(x)).join("|") + ")";
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| 35 | return joined;
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| 36 | }
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| 37 |
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| 38 | /*
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| 39 | Language: SQL
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| 40 | Website: https://en.wikipedia.org/wiki/SQL
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| 41 | Category: common, database
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| 42 | */
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| 43 |
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| 44 | function sql(hljs) {
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| 45 | const COMMENT_MODE = hljs.COMMENT('--', '$');
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| 46 | const STRING = {
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| 47 | className: 'string',
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| 48 | variants: [
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| 49 | {
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| 50 | begin: /'/,
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| 51 | end: /'/,
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| 52 | contains: [
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| 53 | {begin: /''/ }
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| 54 | ]
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| 55 | }
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| 56 | ]
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| 57 | };
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| 58 | const QUOTED_IDENTIFIER = {
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| 59 | begin: /"/,
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| 60 | end: /"/,
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| 61 | contains: [ { begin: /""/ } ]
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| 62 | };
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| 63 |
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| 64 | const LITERALS = [
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| 65 | "true",
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| 66 | "false",
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| 67 | // Not sure it's correct to call NULL literal, and clauses like IS [NOT] NULL look strange that way.
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| 68 | // "null",
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| 69 | "unknown"
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| 70 | ];
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| 71 |
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| 72 | const MULTI_WORD_TYPES = [
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| 73 | "double precision",
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| 74 | "large object",
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| 75 | "with timezone",
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| 76 | "without timezone"
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| 77 | ];
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| 78 |
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| 79 | const TYPES = [
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| 80 | 'bigint',
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| 81 | 'binary',
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| 82 | 'blob',
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| 83 | 'boolean',
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| 84 | 'char',
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| 85 | 'character',
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| 86 | 'clob',
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| 87 | 'date',
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| 88 | 'dec',
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| 89 | 'decfloat',
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| 90 | 'decimal',
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| 91 | 'float',
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| 92 | 'int',
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| 93 | 'integer',
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| 94 | 'interval',
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| 95 | 'nchar',
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| 96 | 'nclob',
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| 97 | 'national',
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| 98 | 'numeric',
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| 99 | 'real',
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| 100 | 'row',
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| 101 | 'smallint',
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| 102 | 'time',
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| 103 | 'timestamp',
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| 104 | 'varchar',
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| 105 | 'varying', // modifier (character varying)
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| 106 | 'varbinary'
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| 107 | ];
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| 108 |
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| 109 | const NON_RESERVED_WORDS = [
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| 110 | "add",
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| 111 | "asc",
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| 112 | "collation",
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| 113 | "desc",
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| 114 | "final",
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| 115 | "first",
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| 116 | "last",
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| 117 | "view"
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| 118 | ];
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| 119 |
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| 120 | // https://jakewheat.github.io/sql-overview/sql-2016-foundation-grammar.html#reserved-word
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| 121 | const RESERVED_WORDS = [
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| 122 | "abs",
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| 123 | "acos",
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| 124 | "all",
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| 125 | "allocate",
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| 126 | "alter",
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| 127 | "and",
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| 128 | "any",
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| 129 | "are",
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| 130 | "array",
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| 131 | "array_agg",
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| 132 | "array_max_cardinality",
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| 133 | "as",
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| 134 | "asensitive",
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| 135 | "asin",
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| 136 | "asymmetric",
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| 137 | "at",
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| 138 | "atan",
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| 139 | "atomic",
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| 140 | "authorization",
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| 141 | "avg",
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| 142 | "begin",
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| 143 | "begin_frame",
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| 144 | "begin_partition",
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| 145 | "between",
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| 146 | "bigint",
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| 147 | "binary",
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| 148 | "blob",
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| 149 | "boolean",
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| 150 | "both",
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| 151 | "by",
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| 152 | "call",
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| 153 | "called",
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| 154 | "cardinality",
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| 155 | "cascaded",
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| 156 | "case",
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| 157 | "cast",
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| 158 | "ceil",
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| 159 | "ceiling",
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| 160 | "char",
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| 161 | "char_length",
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| 162 | "character",
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| 163 | "character_length",
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| 164 | "check",
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| 165 | "classifier",
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| 166 | "clob",
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| 167 | "close",
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| 168 | "coalesce",
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| 169 | "collate",
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| 170 | "collect",
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| 171 | "column",
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| 172 | "commit",
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| 173 | "condition",
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| 174 | "connect",
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| 175 | "constraint",
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| 176 | "contains",
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| 177 | "convert",
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| 178 | "copy",
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| 179 | "corr",
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| 180 | "corresponding",
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| 181 | "cos",
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| 182 | "cosh",
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| 183 | "count",
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| 184 | "covar_pop",
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| 185 | "covar_samp",
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| 186 | "create",
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| 187 | "cross",
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| 188 | "cube",
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| 189 | "cume_dist",
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| 190 | "current",
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| 191 | "current_catalog",
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| 192 | "current_date",
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| 193 | "current_default_transform_group",
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| 194 | "current_path",
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| 195 | "current_role",
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| 196 | "current_row",
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| 197 | "current_schema",
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| 198 | "current_time",
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| 199 | "current_timestamp",
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| 200 | "current_path",
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| 201 | "current_role",
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| 202 | "current_transform_group_for_type",
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| 203 | "current_user",
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| 204 | "cursor",
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| 205 | "cycle",
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| 206 | "date",
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| 207 | "day",
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| 208 | "deallocate",
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| 209 | "dec",
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| 210 | "decimal",
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| 211 | "decfloat",
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| 212 | "declare",
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| 213 | "default",
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| 214 | "define",
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| 215 | "delete",
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| 216 | "dense_rank",
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| 217 | "deref",
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| 218 | "describe",
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| 219 | "deterministic",
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| 220 | "disconnect",
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| 221 | "distinct",
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| 222 | "double",
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| 223 | "drop",
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| 224 | "dynamic",
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| 225 | "each",
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| 226 | "element",
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| 227 | "else",
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| 228 | "empty",
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| 229 | "end",
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| 230 | "end_frame",
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| 231 | "end_partition",
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| 232 | "end-exec",
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| 233 | "equals",
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| 234 | "escape",
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| 235 | "every",
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| 236 | "except",
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| 237 | "exec",
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| 238 | "execute",
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| 239 | "exists",
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| 240 | "exp",
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| 241 | "external",
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| 242 | "extract",
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| 243 | "false",
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| 244 | "fetch",
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| 245 | "filter",
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| 246 | "first_value",
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| 247 | "float",
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| 248 | "floor",
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| 249 | "for",
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| 250 | "foreign",
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| 251 | "frame_row",
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| 252 | "free",
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| 253 | "from",
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| 254 | "full",
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| 255 | "function",
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| 256 | "fusion",
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| 257 | "get",
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| 258 | "global",
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| 259 | "grant",
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| 260 | "group",
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| 261 | "grouping",
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| 262 | "groups",
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| 263 | "having",
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| 264 | "hold",
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| 265 | "hour",
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| 266 | "identity",
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| 267 | "in",
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| 268 | "indicator",
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| 269 | "initial",
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| 270 | "inner",
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| 271 | "inout",
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| 272 | "insensitive",
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| 273 | "insert",
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| 274 | "int",
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| 275 | "integer",
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| 276 | "intersect",
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| 277 | "intersection",
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| 278 | "interval",
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| 279 | "into",
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| 280 | "is",
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| 281 | "join",
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| 282 | "json_array",
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| 283 | "json_arrayagg",
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| 284 | "json_exists",
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| 285 | "json_object",
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| 286 | "json_objectagg",
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| 287 | "json_query",
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| 288 | "json_table",
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| 289 | "json_table_primitive",
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| 290 | "json_value",
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| 291 | "lag",
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| 292 | "language",
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| 293 | "large",
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| 294 | "last_value",
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| 295 | "lateral",
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| 296 | "lead",
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| 297 | "leading",
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| 298 | "left",
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| 299 | "like",
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| 300 | "like_regex",
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| 301 | "listagg",
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| 302 | "ln",
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| 303 | "local",
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| 304 | "localtime",
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| 305 | "localtimestamp",
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| 306 | "log",
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| 307 | "log10",
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| 308 | "lower",
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| 309 | "match",
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| 310 | "match_number",
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| 311 | "match_recognize",
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| 312 | "matches",
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| 313 | "max",
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| 314 | "member",
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| 315 | "merge",
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| 316 | "method",
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| 317 | "min",
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| 318 | "minute",
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| 319 | "mod",
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| 320 | "modifies",
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| 321 | "module",
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| 322 | "month",
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| 323 | "multiset",
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| 324 | "national",
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| 325 | "natural",
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| 326 | "nchar",
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| 327 | "nclob",
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| 328 | "new",
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| 329 | "no",
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| 330 | "none",
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| 331 | "normalize",
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| 332 | "not",
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| 333 | "nth_value",
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| 334 | "ntile",
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| 335 | "null",
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| 336 | "nullif",
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| 337 | "numeric",
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| 338 | "octet_length",
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| 339 | "occurrences_regex",
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| 340 | "of",
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| 341 | "offset",
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| 342 | "old",
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| 343 | "omit",
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| 344 | "on",
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| 345 | "one",
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| 346 | "only",
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| 347 | "open",
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| 348 | "or",
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| 349 | "order",
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| 350 | "out",
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| 351 | "outer",
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| 352 | "over",
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| 353 | "overlaps",
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| 354 | "overlay",
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| 355 | "parameter",
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| 356 | "partition",
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| 357 | "pattern",
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| 358 | "per",
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| 359 | "percent",
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| 360 | "percent_rank",
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| 361 | "percentile_cont",
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| 362 | "percentile_disc",
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| 363 | "period",
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| 364 | "portion",
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| 365 | "position",
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| 366 | "position_regex",
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| 367 | "power",
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| 368 | "precedes",
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| 369 | "precision",
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| 370 | "prepare",
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| 371 | "primary",
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| 372 | "procedure",
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| 373 | "ptf",
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| 374 | "range",
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| 375 | "rank",
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| 376 | "reads",
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| 377 | "real",
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| 378 | "recursive",
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| 379 | "ref",
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| 380 | "references",
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| 381 | "referencing",
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| 382 | "regr_avgx",
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| 383 | "regr_avgy",
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| 384 | "regr_count",
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| 385 | "regr_intercept",
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| 386 | "regr_r2",
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| 387 | "regr_slope",
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| 388 | "regr_sxx",
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| 389 | "regr_sxy",
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| 390 | "regr_syy",
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| 391 | "release",
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| 392 | "result",
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| 393 | "return",
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| 394 | "returns",
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| 395 | "revoke",
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| 396 | "right",
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| 397 | "rollback",
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| 398 | "rollup",
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| 399 | "row",
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| 400 | "row_number",
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| 401 | "rows",
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| 402 | "running",
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| 403 | "savepoint",
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| 404 | "scope",
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| 405 | "scroll",
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| 406 | "search",
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| 407 | "second",
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| 408 | "seek",
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| 409 | "select",
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| 410 | "sensitive",
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| 411 | "session_user",
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| 412 | "set",
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| 413 | "show",
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| 414 | "similar",
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| 415 | "sin",
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| 416 | "sinh",
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| 417 | "skip",
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| 418 | "smallint",
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| 419 | "some",
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| 420 | "specific",
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| 421 | "specifictype",
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| 422 | "sql",
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| 423 | "sqlexception",
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| 424 | "sqlstate",
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| 425 | "sqlwarning",
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| 426 | "sqrt",
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| 427 | "start",
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| 428 | "static",
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| 429 | "stddev_pop",
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| 430 | "stddev_samp",
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| 431 | "submultiset",
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| 432 | "subset",
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| 433 | "substring",
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| 434 | "substring_regex",
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| 435 | "succeeds",
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| 436 | "sum",
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| 437 | "symmetric",
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| 438 | "system",
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| 439 | "system_time",
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| 440 | "system_user",
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| 441 | "table",
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| 442 | "tablesample",
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| 443 | "tan",
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| 444 | "tanh",
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| 445 | "then",
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| 446 | "time",
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| 447 | "timestamp",
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| 448 | "timezone_hour",
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| 449 | "timezone_minute",
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| 450 | "to",
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| 451 | "trailing",
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|---|
| 452 | "translate",
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|---|
| 453 | "translate_regex",
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| 454 | "translation",
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| 455 | "treat",
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| 456 | "trigger",
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| 457 | "trim",
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| 458 | "trim_array",
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| 459 | "true",
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| 460 | "truncate",
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| 461 | "uescape",
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| 462 | "union",
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| 463 | "unique",
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| 464 | "unknown",
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| 465 | "unnest",
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| 466 | "update ",
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| 467 | "upper",
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| 468 | "user",
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| 469 | "using",
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| 470 | "value",
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| 471 | "values",
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| 472 | "value_of",
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| 473 | "var_pop",
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| 474 | "var_samp",
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| 475 | "varbinary",
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| 476 | "varchar",
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| 477 | "varying",
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| 478 | "versioning",
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| 479 | "when",
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| 480 | "whenever",
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| 481 | "where",
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| 482 | "width_bucket",
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| 483 | "window",
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| 484 | "with",
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| 485 | "within",
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| 486 | "without",
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| 487 | "year",
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| 488 | ];
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| 489 |
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| 490 | // these are reserved words we have identified to be functions
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|---|
| 491 | // and should only be highlighted in a dispatch-like context
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|---|
| 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",
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|---|
| 504 | "corr",
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|---|
| 505 | "cos",
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|---|
| 506 | "cosh",
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|---|
| 507 | "count",
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|---|
| 508 | "covar_pop",
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|---|
| 509 | "covar_samp",
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|---|
| 510 | "cume_dist",
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| 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;
|
|---|
