Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/21813#discussion_r203813530
--- Diff:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4 ---
@@ -400,12 +400,12 @@ hintStatement
fromClause
: FROM relation (',' relation)* lateralView* pivotClause?
;
-
--- End diff --
revert this?
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