alpass163 commented on code in PR #16700:
URL: https://github.com/apache/iotdb/pull/16700#discussion_r2501853370
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iotdb-core/relational-grammar/src/main/antlr4/org/apache/iotdb/db/relational/grammar/sql/RelationalSql.g4:
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@@ -930,8 +930,9 @@ rowCount
;
queryTerm
- : queryPrimary
#queryTermDefault
- | left=queryTerm operator=(INTERSECT | UNION | EXCEPT) setQuantifier?
right=queryTerm #setOperation
+ : queryPrimary
#queryTermDefault
+ | left=queryTerm operator=INTERSECT setQuantifier? right=queryTerm
#setOperation
+ | left=queryTerm operator=(UNION | EXCEPT) setQuantifier? right=queryTerm
#setOperation
Review Comment:
the priority of Setoperation could be guaranteed
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