oushu/lava-oushudb-dt-sql-parser
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feat(flink): update flinkSql grammar and add some test

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Erindcl
2020-12-03 20:03:25 +08:00
parent 04c4c40397
commit c9d88d00a6
7 changed files with 1530 additions and 1475 deletions
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3
src/grammar/flinksql/FlinkSqlLexer.g4
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@ -349,7 +349,8 @@ PLUS_ID_LITERAL: PLUS_ID_LITERAL_FRAG;
fragment EXPONENT_NUM_PART: 'E' [-+]? DEC_DIGIT+;
fragment ID_LITERAL_FRAG: [A-Z_0-9a-z]*?[A-Z_a-z]+?[A-Z_0-9a-z]*;
fragment PLUS_ID_LITERAL_FRAG: ('a'..'z' | '0'..'9' | '_' | '*' | '@' | '#' | '^' | '$' | '%' | '&')*?[A-Z_a-z]+?('a'..'z' | '0'..'9' | '_' | '*' | '@' | '#' | '^' | '$' | '%' | '&')*;
// fragment PLUS_ID_LITERAL_FRAG: ('a'..'z' | '0'..'9' | '_' | '*' | '@' | '#' | '^' | '$' | '%' | '&')*?[A-Z_a-z]+?('a'..'z' | '0'..'9' | '_' | '*' | '@' | '#' | '^' | '$' | '%' | '&')*;
fragment PLUS_ID_LITERAL_FRAG: ('a'..'z' | '0'..'9' | '_' | '*' | '@' | '#' | '^' | '$' | '%' | '&')+;
fragment DEC_DIGIT: [0-9];
fragment DEC_LETTER: [A-Za-z];
fragment DQUOTA_STRING: '"' ( '\\'. | '""' | ~('"'| '\\') )* '"';

4
src/grammar/flinksql/FlinkSqlParser.g4
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@ -238,7 +238,7 @@ selectClause
;
projectItemDefinition
: expression (AS? uid)?
: expression (AS? expression)?
;
fromClause
@ -247,7 +247,7 @@ fromClause
tableExpression
: tableReference (COMMA tableReference)*
| tableExpression NATURAL? (LEFT | RIGHT | FULL)? JOIN tableExpression joinCondition?
| tableExpression NATURAL? (LEFT | RIGHT | FULL | INNER)? JOIN tableExpression joinCondition?
;
tableReference