Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/5350#discussion_r28379068
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/sources/DataSourceStrategy.scala
---
@@ -102,20 +102,29 @@ private[sql] object DataSourceStrategy extends
Strategy {
projectList.asInstanceOf[Seq[Attribute]] // Safe due to if above.
.map(relation.attributeMap) // Match original case of
attributes.
- val scan =
- execution.PhysicalRDD(
- projectList.map(_.toAttribute),
+ val scan = createPhysicalRDD(relation.relation,
projectList.map(_.toAttribute),
scanBuilder(requestedColumns, pushedFilters))
filterCondition.map(execution.Filter(_, scan)).getOrElse(scan)
} else {
val requestedColumns = (projectSet ++
filterSet).map(relation.attributeMap).toSeq
- val scan =
- execution.PhysicalRDD(requestedColumns,
scanBuilder(requestedColumns, pushedFilters))
+ val scan = createPhysicalRDD(relation.relation, requestedColumns,
+ scanBuilder(requestedColumns, pushedFilters))
execution.Project(projectList,
filterCondition.map(execution.Filter(_, scan)).getOrElse(scan))
}
}
+ private[this] def createPhysicalRDD(relation: BaseRelation,
+ output: Seq[Attribute],
+ rdd: RDD[Row]) = {
--- End diff --
indent 4 spaces on next line.
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