update elements and fix some bugs

lib/src/prism/components/prism-sql.js

 Prism.languages.sql= { 
         'comment': {
-                pattern: /(^|[^\\])(\/\*[\w\W]*?\*\/|((--)|(\/\/)|#).*?(\r?\n|$))/,
+                pattern: /(^|[^\\])(?:\/\*[\w\W]*?\*\/|(?:--|\/\/|#).*)/,
                 lookbehind: true
         },
         'string' : {
-                pattern: /(^|[^@])("|')(\\?[\s\S])*?\2/,
+                pattern: /(^|[^@\\])("|')(?:\\?[\s\S])*?\2/,
                 lookbehind: true
         },
-        'variable': /@[\w.$]+|@("|'|`)(\\?[\s\S])+?\1/,
+        'variable': /@[\w.$]+|@("|'|`)(?:\\?[\s\S])+?\1/,
         'function': /\b(?:COUNT|SUM|AVG|MIN|MAX|FIRST|LAST|UCASE|LCASE|MID|LEN|ROUND|NOW|FORMAT)(?=\s*\()/i, // Should we highlight user defined functions too?
-        'keyword': /\b(?:ACTION|ADD|AFTER|ALGORITHM|ALTER|ANALYZE|APPLY|AS|ASC|AUTHORIZATION|BACKUP|BDB|BEGIN|BERKELEYDB|BIGINT|BINARY|BIT|BLOB|BOOL|BOOLEAN|BREAK|BROWSE|BTREE|BULK|BY|CALL|CASCADE|CASCADED|CASE|CHAIN|CHAR VARYING|CHARACTER VARYING|CHECK|CHECKPOINT|CLOSE|CLUSTERED|COALESCE|COLUMN|COLUMNS|COMMENT|COMMIT|COMMITTED|COMPUTE|CONNECT|CONSISTENT|CONSTRAINT|CONTAINS|CONTAINSTABLE|CONTINUE|CONVERT|CREATE|CROSS|CURRENT|CURRENT_DATE|CURRENT_TIME|CURRENT_TIMESTAMP|CURRENT_USER|CURSOR|DATA|DATABASE|DATABASES|DATETIME|DBCC|DEALLOCATE|DEC|DECIMAL|DECLARE|DEFAULT|DEFINER|DELAYED|DELETE|DENY|DESC|DESCRIBE|DETERMINISTIC|DISABLE|DISCARD|DISK|DISTINCT|DISTINCTROW|DISTRIBUTED|DO|DOUBLE|DOUBLE PRECISION|DROP|DUMMY|DUMP|DUMPFILE|DUPLICATE KEY|ELSE|ENABLE|ENCLOSED BY|END|ENGINE|ENUM|ERRLVL|ERRORS|ESCAPE|ESCAPED BY|EXCEPT|EXEC|EXECUTE|EXIT|EXPLAIN|EXTENDED|FETCH|FIELDS|FILE|FILLFACTOR|FIRST|FIXED|FLOAT|FOLLOWING|FOR|FOR EACH ROW|FORCE|FOREIGN|FREETEXT|FREETEXTTABLE|FROM|FULL|FUNCTION|GEOMETRY|GEOMETRYCOLLECTION|GLOBAL|GOTO|GRANT|GROUP|HANDLER|HASH|HAVING|HOLDLOCK|IDENTITY|IDENTITY_INSERT|IDENTITYCOL|IF|IGNORE|IMPORT|INDEX|INFILE|INNER|INNODB|INOUT|INSERT|INT|INTEGER|INTERSECT|INTO|INVOKER|ISOLATION LEVEL|JOIN|KEY|KEYS|KILL|LANGUAGE SQL|LAST|LEFT|LIMIT|LINENO|LINES|LINESTRING|LOAD|LOCAL|LOCK|LONGBLOB|LONGTEXT|MATCH|MATCHED|MEDIUMBLOB|MEDIUMINT|MEDIUMTEXT|MERGE|MIDDLEINT|MODIFIES SQL DATA|MODIFY|MULTILINESTRING|MULTIPOINT|MULTIPOLYGON|NATIONAL|NATIONAL CHAR VARYING|NATIONAL CHARACTER|NATIONAL CHARACTER VARYING|NATIONAL VARCHAR|NATURAL|NCHAR|NCHAR VARCHAR|NEXT|NO|NO SQL|NOCHECK|NOCYCLE|NONCLUSTERED|NULLIF|NUMERIC|OF|OFF|OFFSETS|ON|OPEN|OPENDATASOURCE|OPENQUERY|OPENROWSET|OPTIMIZE|OPTION|OPTIONALLY|ORDER|OUT|OUTER|OUTFILE|OVER|PARTIAL|PARTITION|PERCENT|PIVOT|PLAN|POINT|POLYGON|PRECEDING|PRECISION|PREV|PRIMARY|PRINT|PRIVILEGES|PROC|PROCEDURE|PUBLIC|PURGE|QUICK|RAISERROR|READ|READS SQL DATA|READTEXT|REAL|RECONFIGURE|REFERENCES|RELEASE|RENAME|REPEATABLE|REPLICATION|REQUIRE|RESTORE|RESTRICT|RETURN|RETURNS|REVOKE|RIGHT|ROLLBACK|ROUTINE|ROWCOUNT|ROWGUIDCOL|ROWS?|RTREE|RULE|SAVE|SAVEPOINT|SCHEMA|SELECT|SERIAL|SERIALIZABLE|SESSION|SESSION_USER|SET|SETUSER|SHARE MODE|SHOW|SHUTDOWN|SIMPLE|SMALLINT|SNAPSHOT|SOME|SONAME|START|STARTING BY|STATISTICS|STATUS|STRIPED|SYSTEM_USER|TABLE|TABLES|TABLESPACE|TEMP(?:ORARY)?|TEMPTABLE|TERMINATED BY|TEXT|TEXTSIZE|THEN|TIMESTAMP|TINYBLOB|TINYINT|TINYTEXT|TO|TOP|TRAN|TRANSACTION|TRANSACTIONS|TRIGGER|TRUNCATE|TSEQUAL|TYPE|TYPES|UNBOUNDED|UNCOMMITTED|UNDEFINED|UNION|UNPIVOT|UPDATE|UPDATETEXT|USAGE|USE|USER|USING|VALUE|VALUES|VARBINARY|VARCHAR|VARCHARACTER|VARYING|VIEW|WAITFOR|WARNINGS|WHEN|WHERE|WHILE|WITH|WITH ROLLUP|WITHIN|WORK|WRITE|WRITETEXT)\b/i,
+        'keyword': /\b(?:ACTION|ADD|AFTER|ALGORITHM|ALL|ALTER|ANALYZE|ANY|APPLY|AS|ASC|AUTHORIZATION|BACKUP|BDB|BEGIN|BERKELEYDB|BIGINT|BINARY|BIT|BLOB|BOOL|BOOLEAN|BREAK|BROWSE|BTREE|BULK|BY|CALL|CASCADED?|CASE|CHAIN|CHAR VARYING|CHARACTER (?:SET|VARYING)|CHARSET|CHECK|CHECKPOINT|CLOSE|CLUSTERED|COALESCE|COLLATE|COLUMN|COLUMNS|COMMENT|COMMIT|COMMITTED|COMPUTE|CONNECT|CONSISTENT|CONSTRAINT|CONTAINS|CONTAINSTABLE|CONTINUE|CONVERT|CREATE|CROSS|CURRENT(?:_DATE|_TIME|_TIMESTAMP|_USER)?|CURSOR|DATA(?:BASES?)?|DATETIME|DBCC|DEALLOCATE|DEC|DECIMAL|DECLARE|DEFAULT|DEFINER|DELAYED|DELETE|DENY|DESC|DESCRIBE|DETERMINISTIC|DISABLE|DISCARD|DISK|DISTINCT|DISTINCTROW|DISTRIBUTED|DO|DOUBLE(?: PRECISION)?|DROP|DUMMY|DUMP(?:FILE)?|DUPLICATE KEY|ELSE|ENABLE|ENCLOSED BY|END|ENGINE|ENUM|ERRLVL|ERRORS|ESCAPE(?:D BY)?|EXCEPT|EXEC(?:UTE)?|EXISTS|EXIT|EXPLAIN|EXTENDED|FETCH|FIELDS|FILE|FILLFACTOR|FIRST|FIXED|FLOAT|FOLLOWING|FOR(?: EACH ROW)?|FORCE|FOREIGN|FREETEXT(?:TABLE)?|FROM|FULL|FUNCTION|GEOMETRY(?:COLLECTION)?|GLOBAL|GOTO|GRANT|GROUP|HANDLER|HASH|HAVING|HOLDLOCK|IDENTITY(?:_INSERT|COL)?|IF|IGNORE|IMPORT|INDEX|INFILE|INNER|INNODB|INOUT|INSERT|INT|INTEGER|INTERSECT|INTO|INVOKER|ISOLATION LEVEL|JOIN|KEYS?|KILL|LANGUAGE SQL|LAST|LEFT|LIMIT|LINENO|LINES|LINESTRING|LOAD|LOCAL|LOCK|LONG(?:BLOB|TEXT)|MATCH(?:ED)?|MEDIUM(?:BLOB|INT|TEXT)|MERGE|MIDDLEINT|MODIFIES SQL DATA|MODIFY|MULTI(?:LINESTRING|POINT|POLYGON)|NATIONAL(?: CHAR VARYING| CHARACTER(?: VARYING)?| VARCHAR)?|NATURAL|NCHAR(?: VARCHAR)?|NEXT|NO(?: SQL|CHECK|CYCLE)?|NONCLUSTERED|NULLIF|NUMERIC|OFF?|OFFSETS?|ON|OPEN(?:DATASOURCE|QUERY|ROWSET)?|OPTIMIZE|OPTION(?:ALLY)?|ORDER|OUT(?:ER|FILE)?|OVER|PARTIAL|PARTITION|PERCENT|PIVOT|PLAN|POINT|POLYGON|PRECEDING|PRECISION|PREV|PRIMARY|PRINT|PRIVILEGES|PROC(?:EDURE)?|PUBLIC|PURGE|QUICK|RAISERROR|READ(?:S SQL DATA|TEXT)?|REAL|RECONFIGURE|REFERENCES|RELEASE|RENAME|REPEATABLE|REPLICATION|REQUIRE|RESTORE|RESTRICT|RETURNS?|REVOKE|RIGHT|ROLLBACK|ROUTINE|ROW(?:COUNT|GUIDCOL|S)?|RTREE|RULE|SAVE(?:POINT)?|SCHEMA|SELECT|SERIAL(?:IZABLE)?|SESSION(?:_USER)?|SET(?:USER)?|SHARE MODE|SHOW|SHUTDOWN|SIMPLE|SMALLINT|SNAPSHOT|SOME|SONAME|START(?:ING BY)?|STATISTICS|STATUS|STRIPED|SYSTEM_USER|TABLES?|TABLESPACE|TEMP(?:ORARY|TABLE)?|TERMINATED BY|TEXT(?:SIZE)?|THEN|TIMESTAMP|TINY(?:BLOB|INT|TEXT)|TOP?|TRAN(?:SACTIONS?)?|TRIGGER|TRUNCATE|TSEQUAL|TYPES?|UNBOUNDED|UNCOMMITTED|UNDEFINED|UNION|UNIQUE|UNPIVOT|UPDATE(?:TEXT)?|USAGE|USE|USER|USING|VALUES?|VAR(?:BINARY|CHAR|CHARACTER|YING)|VIEW|WAITFOR|WARNINGS|WHEN|WHERE|WHILE|WITH(?: ROLLUP|IN)?|WORK|WRITE(?:TEXT)?)\b/i,
         'boolean': /\b(?:TRUE|FALSE|NULL)\b/i,
-        'number': /\b-?(0x)?\d*\.?[\da-f]+\b/,
-        'operator': /\b(?:ALL|AND|ANY|BETWEEN|EXISTS|IN|LIKE|NOT|OR|IS|UNIQUE|CHARACTER SET|COLLATE|DIV|OFFSET|REGEXP|RLIKE|SOUNDS LIKE|XOR)\b|[-+]|!|[=<>]{1,2}|(&){1,2}|\|?\||\?|\*|\//i,
+        'number': /\b-?(?:0x)?\d*\.?[\da-f]+\b/,
+        'operator': /[-+*\/=%^~]|&&?|\|?\||!=?|<(?:=>?|<|>)?|>[>=]?|\b(?:AND|BETWEEN|IN|LIKE|NOT|OR|IS|DIV|REGEXP|RLIKE|SOUNDS LIKE|XOR)\b/i,
         'punctuation': /[;[\]()`,.]/
 };