cloud-fan commented on a change in pull request #35460:
URL: https://github.com/apache/spark/pull/35460#discussion_r811638706
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/exchange/ShuffleExchangeExec.scala
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@@ -401,6 +405,29 @@ object ShuffleExchangeExec {
dependency
}
+ /**
+ * Checks if the shuffle partitioning contains indeterminate
expression/reference.
+ */
+ private def isPartitioningIndeterminate(partitioning: Partitioning, plan:
SparkPlan): Boolean = {
Review comment:
For example, `Filter(rand_cond, Project(a, b, c, ...))`. I think all the
columns are nondeterministic after `Filter`, even though attributes `a`, `b`
and `c` are deterministic.
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