wangyum commented on code in PR #36080:
URL: https://github.com/apache/spark/pull/36080#discussion_r843428746
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/InjectRuntimeFilter.scala:
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@@ -132,28 +131,21 @@ object InjectRuntimeFilter extends Rule[LogicalPlan] with
PredicateHelper with J
REGEXP_EXTRACT_FAMILY, REGEXP_REPLACE)
}
- private def canFilterLeft(joinType: JoinType): Boolean = joinType match {
- case Inner | RightOuter => true
- case _ => false
- }
-
- private def canFilterRight(joinType: JoinType): Boolean = joinType match {
- case Inner | LeftOuter => true
- case _ => false
- }
Review Comment:
Move these functions to `JoinSelectionHelper` to make the code easier to
maintain.
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