ulysses-you commented on a change in pull request #33711:
URL: https://github.com/apache/spark/pull/33711#discussion_r687307744
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/bucketing/DisableUnnecessaryBucketedScan.scala
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@@ -120,7 +120,7 @@ object DisableUnnecessaryBucketedScan extends
Rule[SparkPlan] {
private def hasInterestingPartition(plan: SparkPlan): Boolean = {
plan.requiredChildDistribution.exists {
- case _: ClusteredDistribution | _: HashClusteredDistribution => true
+ case _: ClusteredDistribution | _: HashClusteredDistribution | AllTuples
=> true
Review comment:
It's flaky to fix this issue in an optimizer rule since this rule can be
disabled sometime. Is it better that change the outpt partitioning in
`FileSourceScanExec` to `UnknownPartitioning` if the bucket is 1 ?
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