Github user gatorsmile commented on a diff in the pull request: https://github.com/apache/spark/pull/20153#discussion_r161257419 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/DataSourceV2ScanExec.scala --- @@ -37,40 +35,58 @@ import org.apache.spark.sql.types.StructType */ case class DataSourceV2ScanExec( fullOutput: Seq[AttributeReference], - @transient reader: DataSourceV2Reader) extends LeafExecNode with DataSourceReaderHolder { + @transient reader: DataSourceV2Reader) + extends LeafExecNode with DataSourceReaderHolder with ColumnarBatchScan { override def canEqual(other: Any): Boolean = other.isInstanceOf[DataSourceV2ScanExec] - override def references: AttributeSet = AttributeSet.empty + override def producedAttributes: AttributeSet = AttributeSet(fullOutput) --- End diff -- +1
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