andygrove commented on code in PR #1888:
URL: https://github.com/apache/datafusion-comet/pull/1888#discussion_r2155523377
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spark/src/main/scala/org/apache/comet/rules/RewriteJoin.scala:
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@@ -65,9 +65,8 @@ object RewriteJoin extends JoinSelectionHelper {
def rewrite(plan: SparkPlan): SparkPlan = plan match {
case smj: SortMergeJoinExec =>
getSmjBuildSide(smj) match {
- case Some(BuildRight) if smj.joinType == LeftSemi =>
- // TODO this was added as a workaround for TPC-DS q14 hanging and
needs
- // further investigation
Review Comment:
I no longer see the issue with LeftSemi + BuildRight, so this fallback is
removed
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