Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/18600#discussion_r126693691
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/DataSourceScanExec.scala
---
@@ -73,34 +72,24 @@ trait DataSourceScanExec extends LeafExecNode with
CodegenSupport {
/** Physical plan node for scanning data from a relation. */
case class RowDataSourceScanExec(
- output: Seq[Attribute],
+ fullOutput: Seq[Attribute],
+ requiredColumnsIndex: Seq[Int],
+ filters: Set[Filter],
rdd: RDD[InternalRow],
@transient relation: BaseRelation,
- override val outputPartitioning: Partitioning,
- override val metadata: Map[String, String],
- override val metastoreTableIdentifier: Option[TableIdentifier])
+ override val tableIdentifier: Option[TableIdentifier])
extends DataSourceScanExec {
+ def output: Seq[Attribute] = requiredColumnsIndex.map(fullOutput)
+
override lazy val metrics =
Map("numOutputRows" -> SQLMetrics.createMetric(sparkContext, "number
of output rows"))
- val outputUnsafeRows = relation match {
- case r: HadoopFsRelation if r.fileFormat.isInstanceOf[ParquetSource] =>
- !SparkSession.getActiveSession.get.sessionState.conf.getConf(
- SQLConf.PARQUET_VECTORIZED_READER_ENABLED)
- case _: HadoopFsRelation => true
--- End diff --
`HadoopFsRelation` never goes into `RowDataSourceScanExec`
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