cloud-fan commented on a change in pull request #32084:
URL: https://github.com/apache/spark/pull/32084#discussion_r717712983
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/CoalesceShufflePartitionsSuite.scala
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@@ -412,12 +412,10 @@ class CoalesceShufflePartitionsSuite extends
SparkFunSuite with BeforeAndAfterAl
val finalPlan = resultDf.queryExecution.executedPlan
.asInstanceOf[AdaptiveSparkPlanExec].executedPlan
- // As the pre-shuffle partition number are different, we will skip
reducing
- // the shuffle partition numbers.
Review comment:
let's update the comment
```
// Shuffle partition coalescing of the join is performed independent
of the non-grouping
// aggregate on the other side of the union.
```
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