joins

Type Members

1. case class BroadcastHashJoin(leftKeys: Seq[Expression], rightKeys: Seq[Expression], buildSide: BuildSide, left: SparkPlan, right: SparkPlan) extends SparkPlan with BinaryNode with HashJoin with Product with Serializable

   :: DeveloperApi :: Performs an inner hash join of two child relations.

2. case class BroadcastHashOuterJoin(leftKeys: Seq[Expression], rightKeys: Seq[Expression], joinType: JoinType, condition: Option[Expression], left: SparkPlan, right: SparkPlan) extends SparkPlan with BinaryNode with HashOuterJoin with Product with Serializable

   :: DeveloperApi :: Performs a outer hash join for two child relations.

3. case class BroadcastLeftSemiJoinHash(leftKeys: Seq[Expression], rightKeys: Seq[Expression], left: SparkPlan, right: SparkPlan, condition: Option[Expression]) extends SparkPlan with BinaryNode with HashSemiJoin with Product with Serializable

   :: DeveloperApi :: Build the right table's join keys into a HashSet, and iteratively go through the left table, to find the if join keys are in the Hash set.

4. case class BroadcastNestedLoopJoin(left: SparkPlan, right: SparkPlan, buildSide: BuildSide, joinType: JoinType, condition: Option[Expression]) extends SparkPlan with BinaryNode with Product with Serializable

   :: DeveloperApi ::

5. sealed abstract class BuildSide extends AnyRef

   Annotations

   @DeveloperApi()

6. case class CartesianProduct(left: SparkPlan, right: SparkPlan) extends SparkPlan with BinaryNode with Product with Serializable

   :: DeveloperApi ::

7. trait HashJoin extends AnyRef

8. trait HashOuterJoin extends AnyRef

   Annotations

   @DeveloperApi()

9. trait HashSemiJoin extends AnyRef

10. case class LeftSemiJoinBNL(streamed: SparkPlan, broadcast: SparkPlan, condition: Option[Expression]) extends SparkPlan with BinaryNode with Product with Serializable

    :: DeveloperApi :: Using BroadcastNestedLoopJoin to calculate left semi join result when there's no join keys for hash join.

11. case class LeftSemiJoinHash(leftKeys: Seq[Expression], rightKeys: Seq[Expression], left: SparkPlan, right: SparkPlan, condition: Option[Expression]) extends SparkPlan with BinaryNode with HashSemiJoin with Product with Serializable

    :: DeveloperApi :: Build the right table's join keys into a HashSet, and iteratively go through the left table, to find the if join keys are in the Hash set.

12. case class ShuffledHashJoin(leftKeys: Seq[Expression], rightKeys: Seq[Expression], buildSide: BuildSide, left: SparkPlan, right: SparkPlan) extends SparkPlan with BinaryNode with HashJoin with Product with Serializable

    :: DeveloperApi :: Performs an inner hash join of two child relations by first shuffling the data using the join keys.

13. case class ShuffledHashOuterJoin(leftKeys: Seq[Expression], rightKeys: Seq[Expression], joinType: JoinType, condition: Option[Expression], left: SparkPlan, right: SparkPlan) extends SparkPlan with BinaryNode with HashOuterJoin with Product with Serializable

    :: DeveloperApi :: Performs a hash based outer join for two child relations by shuffling the data using the join keys.

14. case class SortMergeJoin(leftKeys: Seq[Expression], rightKeys: Seq[Expression], left: SparkPlan, right: SparkPlan) extends SparkPlan with BinaryNode with Product with Serializable

    :: DeveloperApi :: Performs an sort merge join of two child relations.

15. case class SortMergeOuterJoin(leftKeys: Seq[Expression], rightKeys: Seq[Expression], joinType: JoinType, condition: Option[Expression], left: SparkPlan, right: SparkPlan) extends SparkPlan with BinaryNode with Product with Serializable

    :: DeveloperApi :: Performs an sort merge outer join of two child relations.