org.apache.comet.shims.ShimCometBroadcastHashJoinExec.scala Maven / Gradle / Ivy
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*
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package org.apache.comet.shims
import org.apache.spark.sql.catalyst.expressions.Expression
import org.apache.spark.sql.catalyst.plans.physical.Partitioning
trait ShimCometBroadcastHashJoinExec {
/**
* Returns the expressions that are used for hash partitioning including `HashPartitioning` and
* `CoalescedHashPartitioning`. They shares same trait `HashPartitioningLike` since Spark 3.4,
* but Spark 3.3 doesn't have `HashPartitioningLike` and `CoalescedHashPartitioning`.
*
* TODO: remove after dropping Spark 3.3 support.
*/
def getHashPartitioningLikeExpressions(partitioning: Partitioning): Seq[Expression] = {
partitioning.getClass.getDeclaredMethods
.filter(_.getName == "expressions")
.flatMap(_.invoke(partitioning).asInstanceOf[Seq[Expression]])
}
}