huaxingao commented on code in PR #36644:
URL: https://github.com/apache/spark/pull/36644#discussion_r883708937
##########
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/DistributionAndOrderingUtils.scala:
##########
@@ -41,15 +40,16 @@ object DistributionAndOrderingUtils {
}
val queryWithDistribution = if (distribution.nonEmpty) {
- val finalNumPartitions = if (numPartitions > 0) {
- numPartitions
- } else {
- conf.numShufflePartitions
- }
+ val optNumPartitions = if (numPartitions > 0) Some(numPartitions) else
None
// the conversion to catalyst expressions above produces SortOrder
expressions
// for OrderedDistribution and generic expressions for
ClusteredDistribution
- // this allows RepartitionByExpression to pick either range or hash
partitioning
- RepartitionByExpression(distribution, query, finalNumPartitions)
+ // this allows RebalancePartitions/RepartitionByExpression to pick
either
+ // range or hash partitioning
+ if (!write.distributionStrictlyRequired()) {
Review Comment:
Changed. Thanks!
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