Github user cloud-fan commented on the issue:
https://github.com/apache/spark/pull/22597
> In ParquetFilter, the way we test if a predicate pushdown works is by
removing that predicate from Spark SQL physical plan, and only relying on the
reader to do the filter.
I haven't looked into, but the parquet record-level filtering is disabled
by default, so if we remove predicates from spark side, the result can be wrong
even if the predicates are pushed ro parquet.
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