cloud-fan commented on a change in pull request #23880: [SPARK-26976][SQL]
Forbid reserved keywords as table identifiers when ANSI mode is on
URL: https://github.com/apache/spark/pull/23880#discussion_r264304709
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File path:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
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@@ -736,7 +741,6 @@ qualifiedName
identifier
: strictIdentifier
- | {ansi}? ansiReserved
Review comment:
This is the only code change I expect. What's the rationale of the other
changes? I think `select current_date()` should not be supported in ansi mode.
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