akashrn5 commented on a change in pull request #3961:
URL: https://github.com/apache/carbondata/pull/3961#discussion_r500756989
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File path:
integration/spark/src/main/scala/org/apache/spark/sql/execution/command/mutation/merge/CarbonMergeDataSetCommand.scala
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@@ -106,18 +106,22 @@ case class CarbonMergeDataSetCommand(
// decide join type based on match conditions
val joinType = decideJoinType
- val joinColumn = mergeMatches.joinExpr.expr.asInstanceOf[EqualTo].left
- .asInstanceOf[UnresolvedAttribute].nameParts.tail.head
- // repartition the srsDs, if the target has bucketing and the bucketing
column and join column
- // are same
+ val joinColumns = mergeMatches.joinExpr.expr.collect {
+ case unresolvedAttribute: UnresolvedAttribute if
unresolvedAttribute.nameParts.nonEmpty =>
+ unresolvedAttribute.nameParts.tail.head
Review comment:
done
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