mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-16 04:32:33 +00:00
233 lines
5.1 KiB
Plaintext
233 lines
5.1 KiB
Plaintext
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lexer grammar ClickHouseLexer;
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LINE_COMMENT
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: '--' ~[\r\n]* -> channel(HIDDEN)
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;
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// TOKENS, KEYWORDS
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K_ADD : A D D;
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K_AFTER : A F T E R;
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K_ALL : A L L;
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K_ALIAS : A L I A S;
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K_ALTER : A L T E R;
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K_AND : A N D;
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K_ANY : A N Y;
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K_ARRAY : A R R A Y;
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K_AS : A S;
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K_ASCENDING : A S C E N D I N G;
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K_ASC : A S C;
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K_ASYNC : A S Y N C;
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K_ATTACH : A T T A C H;
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K_BETWEEN : B E T W E E N;
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K_BY : B Y;
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K_CASE : C A S E;
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K_CAST : C A S T;
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K_CHECK : C H E C K;
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K_CLUSTER : C L U S T E R;
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K_COLUMN : C O L U M N;
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K_COLLATE : C O L L A T E;
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K_CREATE : C R E A T E;
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K_CROSS : C R O S S;
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K_DAY : D A Y;
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K_DESCRIBE : D E S C R I B E;
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K_DESCENDING : D E S C E N D I N G;
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K_DESC : D E S C;
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K_DATABASE : D A T A B A S E;
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K_DATABASES : D A T A B A S E S;
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K_DEFAULT : D E F A U L T;
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K_DETACH : D E T A C H;
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K_DISTINCT : D I S T I N C T;
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K_DROP : D R O P;
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K_ELSE : E L S E;
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K_END : E N D;
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K_ENGINE : E N G I N E;
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K_EXISTS : E X I S T S;
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K_FETCH : F E T C H;
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K_FINAL : F I N A L;
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K_FIRST : F I R S T;
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K_FROM : F R O M;
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K_FREEZE : F R E E Z E;
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K_FORMAT : F O R M A T;
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K_FULL : F U L L;
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K_GLOBAL : G L O B A L;
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K_GROUP : G R O U P;
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K_HAVING : H A V I N G;
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K_HOUR : H O U R;
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K_ID : I D;
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K_IF : I F;
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K_INNER : I N N E R;
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K_INSERT : I N S E R T;
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K_INTERVAL : I N T E R V A L;
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K_INTO : I N T O;
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K_IN : I N;
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K_IS : I S;
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K_JOIN : J O I N;
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K_KILL: K I L L;
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K_LAST : L A S T;
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K_LEFT : L E F T;
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K_LIKE : L I K E;
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K_LIMIT : L I M I T;
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K_MAIN : M A I N; // not a clickhouse reverved word
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K_MATERIALIZED : M A T E R I A L I Z E D;
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K_MINUTE : M I N U T E;
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K_MODIFY : M O D I F Y;
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K_MONTH : M O N T H;
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K_NOT : N O T;
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K_NULL : N U L L;
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K_NULLS : N U L L S;
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K_OFFSET : O F F S E T;
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K_ON : O N;
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K_OPTIMIZE : O P T I M I Z E;
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K_ORDER : O R D E R;
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K_OR : O R;
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K_OUTFILE : O U T F I L E;
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K_PARTITION : P A R T I T I O N;
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K_POPULATE : P O P U L A T E;
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K_PREWHERE : P R E W H E R E;
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K_PROCESSLIST : P R O C E S S L I S T;
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K_QUERY : Q U E R Y;
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K_RENAME : R E N A M E;
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K_RETURN : R E T U R N; // not a clickhouse reverved word
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K_RIGHT : R I G H T;
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K_SAMPLE : S A M P L E;
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K_SECOND : S E C O N D;
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K_SELECT : S E L E C T;
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K_SET : S E T;
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K_SETTINGS : S E T T I N G S;
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K_SHOW : S H O W;
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K_SYNC : S Y N C;
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K_TABLE : T A B L E;
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K_TABLES : T A B L E S;
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K_TEMPORARY : T E M P O R A R Y;
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K_TEST : T E S T;
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K_THEN : T H E N;
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K_TOTALS : T O T A L S;
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K_TO : T O;
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K_OUTER: O U T E R;
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K_VALUES : V A L U E S;
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K_VIEW : V I E W;
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K_UNION : U N I O N;
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K_USE : U S E;
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K_USING : U S I N G;
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K_WEEK : W E E K;
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K_WHEN : W H E N;
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K_WHERE : W H E R E;
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K_WITH : W I T H;
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K_YEAR : Y E A R;
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COLON : ':' ;
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COMMA : ',' ;
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SEMI : ';' ;
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LPAREN : '(' ;
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RPAREN : ')' ;
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RARROW : '->' ;
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LT : '<' ;
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GT : '>' ;
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QUESTION : '?' ;
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STAR : '*' ;
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PLUS : '+' ;
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CONCAT : '||' ;
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OR : '|' ;
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DOLLAR : '$' ;
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DOT : '.' ;
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PERCENT : '%' ;
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MINUS : '-' ;
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DIVIDE : '/' ;
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EQUALS : '==' ;
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ASSIGN : '=' ;
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NOT_EQUALS : '!=' ;
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NOT_EQUALS2 : '<>' ;
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LE : '<=' ;
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GE : '>=' ;
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LBRAKET : '[' ;
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RBRAKET : ']' ;
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LCURLY : '{' ;
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RCURLY : '}' ;
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T_ARRAY : 'Array' ;
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T_TUPLE : 'Tuple' ;
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T_NULLABLE : 'Nullable' ;
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T_FLOAT32 : 'Float32' ;
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T_FLOAT64 : 'Float64' ;
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T_UINT8 : 'UInt8' ;
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T_UINT16 : 'UInt16' ;
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T_UINT32 : 'UInt32' ;
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T_UINT64 : 'UInt64' ;
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T_INT8 : 'Int8' ;
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T_INT16 : 'Int16' ;
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T_INT32 : 'Int32' ;
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T_INT64 : 'Int64' ;
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T_ENUM8 : 'Enum8' ;
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T_ENUM16 : 'Enum16' ;
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T_UUID : 'UUID' ;
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T_DATE : 'Date' ;
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T_DATETIME : 'DateTime' ;
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T_STRING : 'String' ;
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T_FIXEDSTRING : 'FixedString' ;
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T_NULL : 'Null' ;
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T_INTERVAL_YEAR : 'IntervalYear' ;
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T_INTERVAL_MONTH : 'IntervalMonth' ;
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T_INTERVAL_WEEK : 'IntervalWeek' ;
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T_INTERVAL_DAY : 'IntervalDay' ;
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T_INTERVAL_HOUR : 'IntervalHour' ;
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T_INTERVAL_MINUTE : 'IntervalMinute' ;
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T_INTERVAL_SECOND : 'IntervalSecond' ;
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T_AGGREGATE_FUNCTION : 'AggregateFunction' ;
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// lambda type has unknown name.
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IDENTIFIER
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: [a-zA-Z_] [a-zA-Z_0-9]*
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;
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NUMERIC_LITERAL
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: DIGIT+ ( '.' DIGIT* )? ( E [-+]? DIGIT+ )?
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| '.' DIGIT+ ( E [-+]? DIGIT+ )?
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;
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STRING_LITERAL
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: '\'' ( ~'\'' | '\\\'' )* '\''
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QUOTED_LITERAL
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: '`' ( ~'`' )* '`'
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;
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SPACES
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: [ \u000B\t\r\n] -> channel(HIDDEN)
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UNEXPECTED_CHAR
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: .
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;
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fragment DIGIT : [0-9];
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fragment A : [aA];
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fragment B : [bB];
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fragment C : [cC];
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fragment D : [dD];
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fragment E : [eE];
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fragment F : [fF];
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fragment G : [gG];
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fragment H : [hH];
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fragment I : [iI];
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fragment J : [jJ];
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fragment K : [kK];
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fragment L : [lL];
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fragment M : [mM];
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fragment N : [nN];
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fragment O : [oO];
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fragment P : [pP];
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fragment Q : [qQ];
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fragment R : [rR];
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fragment S : [sS];
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fragment T : [tT];
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fragment U : [uU];
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fragment V : [vV];
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fragment W : [wW];
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fragment X : [xX];
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fragment Y : [yY];
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fragment Z : [zZ];
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