joins

Type Members

1. case class HashJoinExec(leftKeys: Seq[Expression], rightKeys: Seq[Expression], buildSide: BuildSide, condition: Option[Expression], joinType: JoinType, left: SparkPlan, right: SparkPlan, leftSizeInBytes: BigInt, rightSizeInBytes: BigInt, replicatedTableJoin: Boolean) extends SparkPlan with BinaryExecNode with HashJoin with BatchConsumer with NonRecursivePlans with Product with Serializable

   

   :: DeveloperApi :: Performs a local hash join of two child relations.

   :: DeveloperApi :: Performs a local hash join of two child relations. If a relation (out of a datasource) is already replicated across all nodes then rather than doing a Broadcast join which can be expensive, this join just scans through the single partition of the replicated relation while streaming through the other relation.

   Annotations

   @DeveloperApi()