Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/19392#discussion_r141949952
--- Diff:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4 ---
@@ -510,11 +510,15 @@ rowFormat
;
tableIdentifier
- : (db=identifier '.')? table=identifier
+ : (db=identifierPart '.')? table=identifierPart
;
functionIdentifier
- : (db=identifier '.')? function=identifier
+ : (db=identifierPart '.')? function=identifierPart
--- End diff --
Here. `db=identifierPart`.
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