cloud-fan commented on a change in pull request #32932:
URL: https://github.com/apache/spark/pull/32932#discussion_r656875209
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicLogicalOperators.scala
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@@ -1351,6 +1351,28 @@ object RepartitionByExpression {
}
}
+/**
+ * This operator does not guarantee the output partitioning, because the
partition number will be
Review comment:
let's explain what it does. We can copy something from
https://github.com/apache/spark/pull/32932/files#diff-4df7a54d6e4cfdbb5b68f2d2bcb083c2c692514b53c8fd7d61c24363061bb51cR56
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