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### What changes were proposed in this pull request? 1. Make `RebalancePartitions` extend `RepartitionOperation`. 2. Make `CollapseRepartition` support `RebalancePartitions`. ### Why are the changes needed? `CollapseRepartition` can optimize `RebalancePartitions` if possible. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Unit test. Closes #33099 from wangyum/SPARK-35904. Authored-by: Yuming Wang <yumwang@ebay.com> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org> |
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