[GitHub] carbondata pull request #2480: [CARBONDATA-2550][CARBONDATA-2576][MV] Fix li...

[jackylk]

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

    https://github.com/apache/carbondata/pull/2480#discussion_r202710990
  
    --- Diff: 
datamap/mv/core/src/main/scala/org/apache/carbondata/mv/datamap/MVHelper.scala 
---
    @@ -159,7 +159,12 @@ object MVHelper {
         logicalPlan.transformAllExpressions {
           case a: Alias =>
             a
    -      case agg: AggregateExpression => agg
    +      case agg: AggregateExpression =>
    +        isFullReload = agg.aggregateFunction match {
    +          case avg: Average => true
    --- End diff --
    
    Can you add comment to explain why it is true


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