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[SPARK-10887] [SQL] Build HashedRelation outside of HashJoinNode.
This PR refactors `HashJoinNode` to take a existing `HashedRelation`. So, we can reuse this node for both `ShuffledHashJoin` and `BroadcastHashJoin`. https://issues.apache.org/jira/browse/SPARK-10887 Author: Yin Huai <yhuai@databricks.com> Closes #8953 from yhuai/SPARK-10887.
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- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/GenerateMutableProjection.scala 2 additions, 0 deletions...alyst/expressions/codegen/GenerateMutableProjection.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/GenerateSafeProjection.scala 2 additions, 2 deletions...catalyst/expressions/codegen/GenerateSafeProjection.scala
- sql/core/src/main/scala/org/apache/spark/sql/execution/local/BinaryHashJoinNode.scala 76 additions, 0 deletions...apache/spark/sql/execution/local/BinaryHashJoinNode.scala
- sql/core/src/main/scala/org/apache/spark/sql/execution/local/BroadcastHashJoinNode.scala 59 additions, 0 deletions...che/spark/sql/execution/local/BroadcastHashJoinNode.scala
- sql/core/src/main/scala/org/apache/spark/sql/execution/local/HashJoinNode.scala 30 additions, 37 deletions...a/org/apache/spark/sql/execution/local/HashJoinNode.scala
- sql/core/src/test/scala/org/apache/spark/sql/execution/local/HashJoinNodeSuite.scala 74 additions, 11 deletions.../apache/spark/sql/execution/local/HashJoinNodeSuite.scala
- sql/core/src/test/scala/org/apache/spark/sql/execution/local/LocalNodeTest.scala 19 additions, 1 deletion.../org/apache/spark/sql/execution/local/LocalNodeTest.scala
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