ajantha-bhat commented on a change in pull request #4030:
URL: https://github.com/apache/carbondata/pull/4030#discussion_r532366408
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File path:
integration/spark/src/main/scala/org/apache/spark/sql/secondaryindex/optimizer/CarbonSecondaryIndexOptimizer.scala
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@@ -943,7 +943,11 @@ class CarbonSecondaryIndexOptimizer(sparkSession:
SparkSession) {
val filterAttributes = filter.condition collect {
case attr: AttributeReference => attr.name.toLowerCase
}
- val parentTableRelation = MatchIndexableRelation.unapply(filter.child).get
+ val parentRelation = MatchIndexableRelation.unapply(filter.child)
+ if (parentRelation.isEmpty) {
+ return false
+ }
+ val parentTableRelation = parentRelation.get
Review comment:
can you please add a small testcase for this and update the PR
description about when the parent Relation can be Empty.
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