oushu/lava-oushudb-dt-sql-parser
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feat: support custom variables ${}

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xiaowei 2021-09-08 20:22:46 +08:00 committed by Ziv
parent dd38dda19a
commit df18e6cb21
1 changed files with 5 additions and 1 deletions
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6
src/grammar/spark/SparkSql.g4
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@ -1793,13 +1793,17 @@ BIGDECIMAL_LITERAL
; ;
IDENTIFIER IDENTIFIER
: (LETTER | DIGIT | '_')+ : (LETTER | DIGIT | '_' | CUSTOM_VARS)+
; ;
BACKQUOTED_IDENTIFIER BACKQUOTED_IDENTIFIER
: '`' ( ~'`' | '``' )* '`' : '`' ( ~'`' | '``' )* '`'
; ;
CUSTOM_VARS
: '${'(IDENTIFIER)'}'
;
fragment DECIMAL_DIGITS fragment DECIMAL_DIGITS
: DIGIT+ '.' DIGIT* : DIGIT+ '.' DIGIT*
| '.' DIGIT+ | '.' DIGIT+