Github user liancheng commented on the pull request:
https://github.com/apache/spark/pull/8275#issuecomment-135672199
I backported this PR to branch-1.5 to fix 1.5 Jenkins build failures.
Didn't merge this PR to branch-1.5 before because it introduced new feature
after branch-1.5 being cut. This PR also refactored `ParquetFilterSuite` and
cleaned up outdated code path used by the old Parquet support which has already
been removed. The problem is that, PR #8403 merged later depends on the test
suite refactoring to pass the build. That's why #8403 passes for master but
breaks branch-1.5.
This backporting should be safe, since the `EqualSafeNull` support has
already been merged into branch-1.5 by #8403 (probably done by Git
automatically and unintentionally). So this backporting only introduces test
suite changes. See [changed files] [1] of this backporting commit.
cc @pwendell @rxin @JoshRosen
[1]:
https://github.com/apache/spark/commit/f0c4470d43e833d2382a8b98bf4aa21ae9451d00
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