Github user zhonghaihua commented on the pull request:
https://github.com/apache/spark/pull/10128#issuecomment-161969421
@cloud-fan Thanks for your advice. But, as @jeanlyn said,`Repartition` will
deal with all data, and this PR will deal with join keys cause data skew.
Because in some situations, we will use this operator to avoid data skew in
`SQL`, then I think maybe we should support this. What do you think?
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