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From chenghao-intel <>
Subject [GitHub] spark pull request: [SPARK-8972][SQL]Incorrect result for rollup
Date Mon, 13 Jul 2015 05:34:42 GMT
Github user chenghao-intel commented on a diff in the pull request:
    --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
    @@ -193,16 +193,44 @@ class Analyzer(
         def apply(plan: LogicalPlan): LogicalPlan = plan transform {
    +      case a if !a.childrenResolved => a // be sure all of the children are resolved.
           case a: Cube =>
             GroupingSets(bitmasks(a), a.groupByExprs, a.child, a.aggregations)
           case a: Rollup =>
             GroupingSets(bitmasks(a), a.groupByExprs, a.child, a.aggregations)
           case x: GroupingSets =>
             val gid = AttributeReference(VirtualColumn.groupingIdName, IntegerType, false)()
    --- End diff --
    Oh, ok, I will add more doc there, sorry for the confusing.

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