[GitHub] carbondata pull request #1469: [WIP] Spark-2.2 Carbon Integration - Phase 1

[ravipesala]

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

    https://github.com/apache/carbondata/pull/1469#discussion_r153062213
  
    --- Diff: 
integration/spark2/src/main/scala/org/apache/spark/sql/hive/CarbonAnalysisRules.scala
 ---
    @@ -95,12 +107,23 @@ case class CarbonIUDAnalysisRule(sparkSession: 
SparkSession) extends Rule[Logica
         def prepareTargetReleation(relation: UnresolvedRelation): 
SubqueryAlias = {
           val tupleId = UnresolvedAlias(Alias(UnresolvedFunction("getTupleId",
             Seq.empty, isDistinct = false), "tupleId")())
    +
    +      val localAlias = alias match {
    +        case Some(a) => Some(alias.toSeq)
    +        case _ => None
    +      }
           val projList = Seq(
    -        UnresolvedAlias(UnresolvedStar(Option(table.alias.toSeq))), 
tupleId)
    -      // include tuple id and rest of the required columns in subqury
    -      SubqueryAlias(table.alias.getOrElse(""),
    -        Project(projList, relation), Option(table.tableIdentifier))
    +        UnresolvedAlias(UnresolvedStar(localAlias)), tupleId)
    +
    +      val subqueryAlias =
    +        CarbonClassReflectionUtils
    +          .getSubqueryAlias(sparkSession,
    +            alias,
    +            Project(projList, relation),
    +            Some(table.tableIdentifier))
    +      subqueryAlias
    --- End diff --
    
    Please format like this 
    ```
    CarbonClassReflectionUtils.getSubqueryAlias(
              sparkSession, 
              alias, 
              Project(projList, relation), 
              Some(table.tableIdentifier))
    ```


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