[GitHub] carbondata pull request #2501: [CARBONDATA-2738]Block Preaggregate, Compacti...

[kunal642]

Github user kunal642 commented on a diff in the pull request:

    https://github.com/apache/carbondata/pull/2501#discussion_r202904039
  
    --- Diff: 
integration/spark2/src/main/scala/org/apache/spark/sql/execution/command/preaaggregate/PreAggregateUtil.scala
 ---
    @@ -354,7 +354,13 @@ object PreAggregateUtil {
             !expression.isInstanceOf[AttributeReference]) {
           newColumnName
         } else {
    -      expression.asInstanceOf[AttributeReference].name
    +      if (expression.isInstanceOf[GetStructField] || 
expression.isInstanceOf[GetArrayItem]) {
    +        throw new MalformedCarbonCommandException(
    --- End diff --
    
    throw UnsupportedOperationException


---