Github user HyukjinKwon commented on a diff in the pull request: https://github.com/apache/spark/pull/22687#discussion_r224021798 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFilters.scala --- @@ -534,6 +534,13 @@ private[parquet] class ParquetFilters( createFilterHelper(nameToParquetField, rhs, canPartialPushDownConjuncts = false) } yield FilterApi.or(lhsFilter, rhsFilter) + case sources.Not(sources.Or(lhs, rhs)) if canPartialPushDownConjuncts => + createFilterHelper(nameToParquetField, + sources.And(sources.Not(lhs), sources.Not(rhs)), canPartialPushDownConjuncts = true) + + case sources.Not(sources.Not(pred)) if canPartialPushDownConjuncts => --- End diff -- hm, is this actually reachable?
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