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[SPARK-4485][SQL] (1) Add broadcast hash outer join, (2) Fix SparkPlanTest #7162

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kai-zeng wants to merge 4 commits into from
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[SPARK-4485][SQL] (1) Add broadcast hash outer join, (2) Fix SparkPlanTest #7162

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b5a4efa
(1) Add broadcast hash outer join, (2) Fix SparkPlanTest
Jul 1, 2015
dc5127e
code style fixes
Jul 1, 2015
14e4bf8
Use CanBroadcast in broadcast outer join planning
Jul 2, 2015
3742359
Fix not-serializable exception for code-generated keys in broadcasted…
Jul 4, 2015
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Use CanBroadcast in broadcast outer join planning
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kai committed Jul 2, 2015
commit 14e4bf8184f27a262e0ac0355be090fa0c8c5a3c
25 changes: 12 additions & 13 deletions sql/core/src/main/scala/org/apache/spark/sql/execution/SparkStrategies.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -117,20 +117,19 @@ private[sql] abstract class SparkStrategies extends QueryPlanner[SparkPlan] {
leftKeys, rightKeys, buildSide, planLater(left), planLater(right))
condition.map(Filter(_, hashJoin)).getOrElse(hashJoin) :: Nil

case ExtractEquiJoinKeys(
LeftOuter, leftKeys, rightKeys, condition, left, CanBroadcast(right)) =>
joins.BroadcastHashOuterJoin(
leftKeys, rightKeys, LeftOuter, condition, planLater(left), planLater(right)) :: Nil

case ExtractEquiJoinKeys(
RightOuter, leftKeys, rightKeys, condition, CanBroadcast(left), right) =>
joins.BroadcastHashOuterJoin(
leftKeys, rightKeys, RightOuter, condition, planLater(left), planLater(right)) :: Nil

case ExtractEquiJoinKeys(joinType, leftKeys, rightKeys, condition, left, right) =>
joinType match {
case LeftOuter if sqlContext.conf.autoBroadcastJoinThreshold > 0 &&
right.statistics.sizeInBytes <= sqlContext.conf.autoBroadcastJoinThreshold =>
joins.BroadcastHashOuterJoin(
leftKeys, rightKeys, joinType, condition, planLater(left), planLater(right)) :: Nil
case RightOuter if sqlContext.conf.autoBroadcastJoinThreshold > 0 &&
left.statistics.sizeInBytes <= sqlContext.conf.autoBroadcastJoinThreshold =>
joins.BroadcastHashOuterJoin(
leftKeys, rightKeys, joinType, condition, planLater(left), planLater(right)) :: Nil
case _ =>
joins.ShuffledHashOuterJoin(
leftKeys, rightKeys, joinType, condition, planLater(left), planLater(right)) :: Nil
}
joins.ShuffledHashOuterJoin(
leftKeys, rightKeys, joinType, condition, planLater(left), planLater(right)) :: Nil

case _ => Nil
}
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