Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/9801#discussion_r45234849
--- Diff: core/src/main/scala/org/apache/spark/rdd/SqlNewHadoopRDD.scala ---
@@ -96,6 +96,11 @@ private[spark] class SqlNewHadoopRDD[V: ClassTag](
@transient protected val jobId = new JobID(jobTrackerId, id)
+ // If true, enable using the custom RecordReader for parquet. This only
works for
+ // a subset of the types (no complex types).
+ protected val enableUnsafeRowParquetReader: Boolean =
+ sc.conf.getBoolean("spark.parquet.enableUnsafeRowRecordReader", true)
--- End diff --
We should probably get this from `SQLConf`. The Spark conf is immutable
which makes it harder to A/B test.
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