/* * Copyright OpenSearch Contributors * SPDX-License-Identifier: Apache-2.0 */ /* MySQL (Positive Technologies) grammar The MIT License (MIT). Copyright (c) 2015-2017, Ivan Kochurkin (kvanttt@gmail.com), Positive Technologies. Copyright (c) 2017, Ivan Khudyashev (IHudyashov@ptsecurity.com) Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ lexer grammar OpenSearchLegacySqlLexer; channels { SQLCOMMENT, ERRORCHANNEL } // SKIP SPACE: [ \t\r\n]+ -> channel(HIDDEN); SPEC_SQL_COMMENT: '/*!' .+? '*/' -> channel(SQLCOMMENT); COMMENT_INPUT: '/*' .*? '*/' -> channel(HIDDEN); LINE_COMMENT: ( ('-- ' | '#') ~[\r\n]* ('\r'? '\n' | EOF) | '--' ('\r'? '\n' | EOF) ) -> channel(HIDDEN); // Keywords // Common Keywords ALL: 'ALL'; AND: 'AND'; AS: 'AS'; ASC: 'ASC'; BETWEEN: 'BETWEEN'; BY: 'BY'; CASE: 'CASE'; CAST: 'CAST'; CROSS: 'CROSS'; DATETIME: 'DATETIME'; DELETE: 'DELETE'; DESC: 'DESC'; DESCRIBE: 'DESCRIBE'; DISTINCT: 'DISTINCT'; DOUBLE: 'DOUBLE'; ELSE: 'ELSE'; EXISTS: 'EXISTS'; FALSE: 'FALSE'; FLOAT: 'FLOAT'; FROM: 'FROM'; GROUP: 'GROUP'; HAVING: 'HAVING'; IN: 'IN'; INNER: 'INNER'; INT: 'INT'; IS: 'IS'; JOIN: 'JOIN'; LEFT: 'LEFT'; LIKE: 'LIKE'; LIMIT: 'LIMIT'; LONG: 'LONG'; MATCH: 'MATCH'; NATURAL: 'NATURAL'; NOT: 'NOT'; NULL_LITERAL: 'NULL'; ON: 'ON'; OR: 'OR'; ORDER: 'ORDER'; OUTER: 'OUTER'; REGEXP: 'REGEXP'; RIGHT: 'RIGHT'; SELECT: 'SELECT'; SHOW: 'SHOW'; STRING: 'STRING'; THEN: 'THEN'; TRUE: 'TRUE'; UNION: 'UNION'; USING: 'USING'; WHEN: 'WHEN'; WHERE: 'WHERE'; // OD SQL special keyword MISSING: 'MISSING'; EXCEPT: 'MINUS'; // Group function Keywords AVG: 'AVG'; COUNT: 'COUNT'; MAX: 'MAX'; MIN: 'MIN'; SUM: 'SUM'; // Common function Keywords SUBSTRING: 'SUBSTRING'; TRIM: 'TRIM'; YEAR: 'YEAR'; STRCMP: 'STRCMP'; // Keywords, but can be ID // Common Keywords, but can be ID END: 'END'; FULL: 'FULL'; OFFSET: 'OFFSET'; // PRIVILEGES TABLES: 'TABLES'; // Common function names ABS: 'ABS'; ACOS: 'ACOS'; ADD: 'ADD'; ASCII: 'ASCII'; ASIN: 'ASIN'; ATAN: 'ATAN'; ATAN2: 'ATAN2'; CBRT: 'CBRT'; CEIL: 'CEIL'; CONCAT: 'CONCAT'; CONCAT_WS: 'CONCAT_WS'; COS: 'COS'; COSH: 'COSH'; COT: 'COT'; CURDATE: 'CURDATE'; DATE: 'DATE'; DATE_FORMAT: 'DATE_FORMAT'; DAYOFMONTH: 'DAYOFMONTH'; DEGREES: 'DEGREES'; E: 'E'; EXP: 'EXP'; EXPM1: 'EXPM1'; FLOOR: 'FLOOR'; IF: 'IF'; IFNULL: 'IFNULL'; ISNULL: 'ISNULL'; LENGTH: 'LENGTH'; LN: 'LN'; LOCATE: 'LOCATE'; LOG: 'LOG'; LOG10: 'LOG10'; LOG2: 'LOG2'; LOWER: 'LOWER'; LTRIM: 'LTRIM'; MAKETIME: 'MAKETIME'; MODULUS: 'MODULUS'; MONTH: 'MONTH'; MONTHNAME: 'MONTHNAME'; MULTIPLY: 'MULTIPLY'; NOW: 'NOW'; PI: 'PI'; POW: 'POW'; POWER: 'POWER'; RADIANS: 'RADIANS'; RAND: 'RAND'; REPLACE: 'REPLACE'; RINT: 'RINT'; ROUND: 'ROUND'; RTRIM: 'RTRIM'; SIGN: 'SIGN'; SIGNUM: 'SIGNUM'; SIN: 'SIN'; SINH: 'SINH'; SQRT: 'SQRT'; SUBTRACT: 'SUBTRACT'; TAN: 'TAN'; TIMESTAMP: 'TIMESTAMP'; UPPER: 'UPPER'; D: 'D'; T: 'T'; TS: 'TS'; LEFT_BRACE: '{'; RIGHT_BRACE: '}'; // OD SQL special functions DATE_HISTOGRAM: 'DATE_HISTOGRAM'; DAY_OF_MONTH: 'DAY_OF_MONTH'; DAY_OF_YEAR: 'DAY_OF_YEAR'; DAY_OF_WEEK: 'DAY_OF_WEEK'; EXCLUDE: 'EXCLUDE'; EXTENDED_STATS: 'EXTENDED_STATS'; FIELD: 'FIELD'; FILTER: 'FILTER'; GEO_BOUNDING_BOX: 'GEO_BOUNDING_BOX'; GEO_CELL: 'GEO_CELL'; GEO_DISTANCE: 'GEO_DISTANCE'; GEO_DISTANCE_RANGE: 'GEO_DISTANCE_RANGE'; GEO_INTERSECTS: 'GEO_INTERSECTS'; GEO_POLYGON: 'GEO_POLYGON'; HISTOGRAM: 'HISTOGRAM'; HOUR_OF_DAY: 'HOUR_OF_DAY'; INCLUDE: 'INCLUDE'; IN_TERMS: 'IN_TERMS'; MATCHPHRASE: 'MATCHPHRASE'; MATCH_PHRASE: 'MATCH_PHRASE'; MATCHQUERY: 'MATCHQUERY'; MATCH_QUERY: 'MATCH_QUERY'; MINUTE_OF_DAY: 'MINUTE_OF_DAY'; MINUTE_OF_HOUR: 'MINUTE_OF_HOUR'; MONTH_OF_YEAR: 'MONTH_OF_YEAR'; MULTIMATCH: 'MULTIMATCH'; MULTI_MATCH: 'MULTI_MATCH'; NESTED: 'NESTED'; PERCENTILES: 'PERCENTILES'; REGEXP_QUERY: 'REGEXP_QUERY'; REVERSE_NESTED: 'REVERSE_NESTED'; QUERY: 'QUERY'; RANGE: 'RANGE'; SCORE: 'SCORE'; SECOND_OF_MINUTE: 'SECOND_OF_MINUTE'; STATS: 'STATS'; TERM: 'TERM'; TERMS: 'TERMS'; TOPHITS: 'TOPHITS'; WEEK_OF_YEAR: 'WEEK_OF_YEAR'; WILDCARDQUERY: 'WILDCARDQUERY'; WILDCARD_QUERY: 'WILDCARD_QUERY'; // Operators // Operators. Arithmetics STAR: '*'; DIVIDE: '/'; MODULE: '%'; PLUS: '+'; MINUS: '-'; DIV: 'DIV'; MOD: 'MOD'; // Operators. Comparation EQUAL_SYMBOL: '='; GREATER_SYMBOL: '>'; LESS_SYMBOL: '<'; EXCLAMATION_SYMBOL: '!'; // Operators. Bit BIT_NOT_OP: '~'; BIT_OR_OP: '|'; BIT_AND_OP: '&'; BIT_XOR_OP: '^'; // Constructors symbols DOT: '.'; LR_BRACKET: '('; RR_BRACKET: ')'; COMMA: ','; SEMI: ';'; AT_SIGN: '@'; ZERO_DECIMAL: '0'; ONE_DECIMAL: '1'; TWO_DECIMAL: '2'; SINGLE_QUOTE_SYMB: '\''; DOUBLE_QUOTE_SYMB: '"'; REVERSE_QUOTE_SYMB: '`'; COLON_SYMB: ':'; // Literal Primitives START_NATIONAL_STRING_LITERAL: 'N' SQUOTA_STRING; STRING_LITERAL: SQUOTA_STRING; DECIMAL_LITERAL: DEC_DIGIT+; HEXADECIMAL_LITERAL: 'X' '\'' (HEX_DIGIT HEX_DIGIT)+ '\'' | '0X' HEX_DIGIT+; REAL_LITERAL: (DEC_DIGIT+)? '.' DEC_DIGIT+ | DEC_DIGIT+ '.' EXPONENT_NUM_PART | (DEC_DIGIT+)? '.' (DEC_DIGIT+ EXPONENT_NUM_PART) | DEC_DIGIT+ EXPONENT_NUM_PART; NULL_SPEC_LITERAL: '\\' 'N'; BIT_STRING: BIT_STRING_L; // Hack for dotID // Prevent recognize string: .123somelatin AS ((.123), FLOAT_LITERAL), ((somelatin), ID) // it must recoginze: .123somelatin AS ((.), DOT), (123somelatin, ID) DOT_ID: '.' ID_LITERAL; // Identifiers ID: ID_LITERAL; // DOUBLE_QUOTE_ID: '"' ~'"'+ '"'; REVERSE_QUOTE_ID: '`' ~'`'+ '`'; DOUBLE_QUOTE_ID: DQUOTA_STRING; BACKTICK_QUOTE_ID: BQUOTA_STRING; STRING_USER_NAME: ( SQUOTA_STRING | DQUOTA_STRING | BQUOTA_STRING | ID_LITERAL ) '@' ( SQUOTA_STRING | DQUOTA_STRING | BQUOTA_STRING | ID_LITERAL ); // Fragments for Literal primitives fragment EXPONENT_NUM_PART: 'E' [-+]? DEC_DIGIT+; fragment ID_LITERAL: [A-Z_$0-9@]*?[A-Z_$]+?[A-Z_$\-0-9]*; fragment DQUOTA_STRING: '"' ( '\\'. | '""' | ~('"'| '\\') )* '"'; fragment SQUOTA_STRING: '\'' ('\\'. | '\'\'' | ~('\'' | '\\'))* '\''; fragment BQUOTA_STRING: '`' ( '\\'. | '``' | ~('`'|'\\'))* '`'; fragment HEX_DIGIT: [0-9A-F]; fragment DEC_DIGIT: [0-9]; fragment BIT_STRING_L: 'B' '\'' [01]+ '\''; // Last tokens must generate Errors ERROR_RECOGNITION: . -> channel(ERRORCHANNEL);