maropu commented on a change in pull request #31994:
URL: https://github.com/apache/spark/pull/31994#discussion_r603743739
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/adaptive/AdaptiveQueryExecSuite.scala
##########
@@ -1543,4 +1543,27 @@ class AdaptiveQueryExecSuite
assert(materializeLogs(0).startsWith("Materialize query stage
BroadcastQueryStageExec"))
assert(materializeLogs(1).startsWith("Materialize query stage
ShuffleQueryStageExec"))
}
+
+ test("SPARK-34899: Use origin plan if we can not coalesce shuffle
partition") {
+ def check(ds: Dataset[Row], origin: ShuffleOrigin): Unit = {
Review comment:
Also, how about checking the initial partition num, too?
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