Github user rxin commented on a diff in the pull request: https://github.com/apache/spark/pull/5210#discussion_r27252892 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/parquet/newParquet.scala --- @@ -435,11 +435,18 @@ private[sql] case class ParquetRelation2( // Push down filters when possible. Notice that not all filters can be converted to Parquet // filter predicate. Here we try to convert each individual predicate and only collect those // convertible ones. - predicates - .flatMap(ParquetFilters.createFilter) - .reduceOption(FilterApi.and) - .filter(_ => sqlContext.conf.parquetFilterPushDown) - .foreach(ParquetInputFormat.setFilterPredicate(jobConf, _)) + if (sqlContext.conf.parquetFilterPushDown) { + predicates + // Don't push down predicates which reference partition columns + .filter { pred => + val partitionColNames = partitionColumns.map(_.name).toSet --- End diff -- btw we don't need to compute partitionColumns for every predicate, do we?
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