viirya commented on code in PR #52428:
URL: https://github.com/apache/spark/pull/52428#discussion_r2376353965
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sql/api/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBaseParser.g4:
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@@ -995,9 +1001,11 @@ identifierComment
relationPrimary
: streamRelationPrimary #streamRelation
| identifierReference temporalClause?
- optionsClause? sample? tableAlias #tableName
- | LEFT_PAREN query RIGHT_PAREN sample? tableAlias #aliasedQuery
- | LEFT_PAREN relation RIGHT_PAREN sample? tableAlias #aliasedRelation
+ optionsClause? sample? watermarkClause? tableAlias #tableName
Review Comment:
`watermarkClause` is already defined in `streamRelationPrimary`. Do we still
need it here? Is it also applied for non-stream relation?
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