cloud-fan commented on issue #26943: [SPARK-30298][SQL] Bucket join should work for self-join with views URL: https://github.com/apache/spark/pull/26943#issuecomment-570496124 looks fine to me. Shall we also consider some corner cases like `a + 1 as b` and the child's output partitioning is `hash(a + 1)`?
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