Github user chenghao-intel commented on the pull request:
https://github.com/apache/spark/pull/10706#issuecomment-171488978
Yes, I can build a PR against your branch. :), but for `anti join`, I have
another PR #10563, some of my concerns are being discussed, one key issue is
about the null join key, I think we probably need to filter out the `null` in
`predicate` expression, and it will be great if we can figure out that issue
first.
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