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From rxin <>
Subject [GitHub] spark pull request: [SPARK-13977] [SQL] Brings back Shuffled hash ...
Date Fri, 18 Mar 2016 06:35:55 GMT
Github user rxin commented on a diff in the pull request:
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/SparkStrategies.scala
    @@ -134,6 +176,18 @@ private[sql] abstract class SparkStrategies extends QueryPlanner[SparkPlan]
               leftKeys, rightKeys, RightOuter, BuildLeft, condition, planLater(left), planLater(right)))
    +      case ExtractEquiJoinKeys(LeftOuter, leftKeys, rightKeys, condition, left, right)
    +         if !conf.preferSortMergeJoin && canBuildHashMap(right) && muchSmaller(right,
left) ||
    --- End diff --
    can't we use shouldShuffleHashJoin here?

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