Github user liancheng commented on the issue:
https://github.com/apache/spark/pull/13371
Reverted from master and branch-2.0.
@viirya For the benchmark, there are two things:
1. The benchmark also counts Parquet file writing into it, so the real
number should be much better than the posted one.
2. We should also benchmark for cases where no filters are pushed down to
verify that this patch doesn't affect normal code path.
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