cloud-fan commented on a change in pull request #34069:
URL: https://github.com/apache/spark/pull/34069#discussion_r713748928
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/LogicalQueryStageStrategy.scala
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@@ -35,21 +35,27 @@ import
org.apache.spark.sql.execution.joins.{BroadcastHashJoinExec, BroadcastNes
* stage in case of the larger join child relation finishes before the
smaller relation. Note
* that this rule needs to be applied before regular join strategies.
*/
-object LogicalQueryStageStrategy extends Strategy with PredicateHelper {
+object LogicalQueryStageStrategy extends Strategy with PredicateHelper with
JoinSelectionHelper {
private def isBroadcastStage(plan: LogicalPlan): Boolean = plan match {
case LogicalQueryStage(_, _: BroadcastQueryStageExec) => true
case _ => false
}
def apply(plan: LogicalPlan): Seq[SparkPlan] = plan match {
- case ExtractEquiJoinKeys(joinType, leftKeys, rightKeys, otherCondition, _,
+ case j @ ExtractEquiJoinKeys(joinType, leftKeys, rightKeys,
otherCondition, _,
left, right, hint)
if isBroadcastStage(left) || isBroadcastStage(right) =>
val buildSide = if (isBroadcastStage(left)) BuildLeft else BuildRight
- Seq(BroadcastHashJoinExec(
Review comment:
is this a long-standing bug? e.g. `BroadcastNestedLoopJoinExec` may
become `BroadcastHashJoinExec` in AQE
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