[GitHub] carbondata pull request #1888: [CARBONDATA-2101]Restrict direct query on pre...

[jackylk]

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

    https://github.com/apache/carbondata/pull/1888#discussion_r165809300
  
    --- Diff: 
integration/spark2/src/main/scala/org/apache/spark/sql/execution/command/preaaggregate/PreAggregateUtil.scala
 ---
    @@ -599,6 +599,8 @@ object PreAggregateUtil {
           CarbonCommonConstants.VALIDATE_CARBON_INPUT_SEGMENTS +
           
parentTableIdentifier.database.getOrElse(sparkSession.catalog.currentDatabase) 
+ "." +
           parentTableIdentifier.table, validateSegments.toString)
    +    
CarbonSession.threadSet(CarbonCommonConstants.SUPPORT_DIRECT_QUERY_ON_DATAMAP,
    --- End diff --
    
    why this is required


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