ravipesala commented on a change in pull request #3150: [CARBONDATA-3309] MV
datamap supports Spark 2.1
URL: https://github.com/apache/carbondata/pull/3150#discussion_r282759310
##########
File path:
datamap/mv/plan/src/main/scala/org/apache/carbondata/mv/plans/modular/AggregatePushDown.scala
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@@ -106,12 +106,14 @@ trait AggregatePushDown { // self: ModularPlan =>
} else {
Map.empty[Int, (NamedExpression, Seq[NamedExpression])]
}
- case sum@AggregateExpression(Sum(Cast(expr, dataType, timeZoneId)), _,
false, _)
- if expr.isInstanceOf[Attribute] =>
- val tAttr =
selAliasMap.get(expr.asInstanceOf[Attribute]).getOrElse(expr)
+ case sum@AggregateExpression(Sum(child), _, false, _)
+ if child.isInstanceOf[Cast] &&
child.asInstanceOf[Cast].child.isInstanceOf[Attribute] =>
+ val tAttr = selAliasMap.get(child.asInstanceOf[Cast].
+
child.asInstanceOf[Attribute]).getOrElse(child.asInstanceOf[Cast].child)
.asInstanceOf[Attribute]
if (fact.outputSet.contains(tAttr)) {
- val sum1 = AggregateExpression(Sum(Cast(tAttr, dataType,
timeZoneId)), sum.mode, false)
+ val sum1 =
AggregateExpression(Sum(child.asInstanceOf[Cast].copy(child = tAttr))
Review comment:
Same as above
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