c21 commented on a change in pull request #29079:
URL: https://github.com/apache/spark/pull/29079#discussion_r456233046
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/bucketing/CoalesceBucketsInJoinSuite.scala
##########
@@ -103,46 +119,69 @@ class CoalesceBucketsInSortMergeJoinSuite extends
SQLTestUtils with SharedSparkS
}
test("bucket coalescing - basic") {
- withSQLConf(SQLConf.COALESCE_BUCKETS_IN_SORT_MERGE_JOIN_ENABLED.key ->
"true") {
+ withSQLConf(SQLConf.COALESCE_BUCKETS_IN_JOIN_ENABLED.key -> "true") {
+ run(JoinSetting(
+ RelationSetting(4, None), RelationSetting(8, Some(4)), joinOperator =
sortMergeJoin))
+ run(JoinSetting(
+ RelationSetting(4, None), RelationSetting(8, Some(4)), joinOperator =
shuffledHashJoin,
+ shjBuildSide = Some(BuildLeft)))
+ // Coalescing bucket should not happen when the target is on shuffled
hash join
Review comment:
@imback82 - yes, extracting this to a new test - `bucket coalescing
shouldn't be applied to shuffled hash join build side`.
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