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[SPARK-7871][SQL]Improve the outputPartitioning for HashOuterJoin #6413

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[SPARK-7871][SQL]Improve the outputPartitioning for HashOuterJoin #6413

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85b8f75
Improve the outputPartitioning for HashOuterJoin
chenghao-intel May 26, 2015
491a890
optimize for full outer join
chenghao-intel May 27, 2015
61a8936
scalastyle
chenghao-intel May 27, 2015
ee5b991
refactor the exchange to support null clustering key as the optimization
chenghao-intel Jun 22, 2015
42928e9
remove the AllTuples
chenghao-intel Jun 29, 2015
2f1e9e4
Add more unit test
chenghao-intel Jun 29, 2015
c61b157
Add comment for unit test
chenghao-intel Jun 29, 2015
de9cde0
fix bug for the empty clustering key
chenghao-intel Jul 2, 2015
bd37778
Add more comment
chenghao-intel Jul 2, 2015
bd4541d
scalastyle
chenghao-intel Jul 2, 2015
fcb9aed
Fix bug in GeneratedAggregate
chenghao-intel Jul 2, 2015
ec4e5c2
update the unit test as the default value changed
chenghao-intel Jul 3, 2015
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Fix bug in GeneratedAggregate
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@chenghao-intel
chenghao-intel committed Jul 2, 2015
commit fcb9aedbdea4486e60a5f7521ab2515998c402ed
6 changes: 6 additions & 0 deletions sql/core/src/main/scala/org/apache/spark/sql/execution/GeneratedAggregate.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,12 @@ case class GeneratedAggregate(
child: SparkPlan)
extends UnaryNode {

override def outputPartitioning: Partitioning = if (partial) {
child.outputPartitioning
} else {
HashPartition(groupingExpressions)
}

override def requiredChildDistribution: Seq[Distribution] =
if (partial) {
UnspecifiedDistribution :: Nil
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