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_r264305847
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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:
or, we can find some more examples to advocate it. AFAIK presto supports
`select current_date()` although it's not SQL standard. Do you know of any
other systems that support it?
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