Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/19392#discussion_r141949849
--- 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
--- End diff --
Hi, @cloud-fan .
According to the PR title, the scope is **TABLE** name only, isn't it?
Please remove the change on `db=identifierPart` and the test cases.
[CREATE
DATABASE](https://github.com/apache/spark/pull/19392/files#diff-8c1cb2af4aa1109e08481dae79052cc3R74)/DROP
DATABASE/USE DATABASE still doesn't allow it.
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