c21 commented on a change in pull request #34497:
URL: https://github.com/apache/spark/pull/34497#discussion_r749628705
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File path:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
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@@ -598,6 +598,13 @@ fromClause
: FROM relation (',' relation)* lateralView* pivotClause?
;
+temporalClause
+ : VERSION AS OF version=INTEGER_VALUE
+ | FOR SYSTEM_VERSION AS OF version=INTEGER_VALUE
Review comment:
Yeah, I agree we should allow non-number version here. This is not
consistent with `TableCatalog.java:loadTable()` now.
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