cloud-fan commented on a change in pull request #31756:
URL: https://github.com/apache/spark/pull/31756#discussion_r615904030
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/DynamicPartitionPruningSuite.scala
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@@ -1463,6 +1474,37 @@ abstract class DynamicPartitionPruningSuiteBase
}
}
}
+
+ test("SPARK-34637: test DPP side broadcast query stage is created firstly") {
+ withSQLConf(SQLConf.DYNAMIC_PARTITION_PRUNING_REUSE_BROADCAST_ONLY.key ->
"true") {
+ val df = sql(
+ """ WITH view1 as (
+ | SELECT f.store_id FROM fact_stats f WHERE f.units_sold = 70
group by f.store_id
+ | )
+ |
+ | SELECT * FROM view1 v1 join view1 v2 WHERE v1.store_id =
v2.store_id
+ """.stripMargin)
+
+ // A possible resulting query plan:
+ // BroadcastHashJoin
+ // +- HashAggregate
+ // +- ShuffleQueryStage
+ // +- Exchange
+ // +- HashAggregate
+ // +- Filter
+ // +- FileScan
+ // +- SubqueryBroadcast
Review comment:
subquery has different symbols in the tree string format. please try to
explain some plans locally and update this comment.
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