Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/8642#discussion_r39381973
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/local/LocalNode.scala ---
@@ -69,6 +69,23 @@ abstract class LocalNode(conf: SQLConf) extends
TreeNode[LocalNode] with Logging
*/
def close(): Unit
+ /** Specifies whether this operator outputs UnsafeRows */
+ def outputsUnsafeRows: Boolean = false
+
+ /** Specifies whether this operator is capable of processing UnsafeRows
*/
+ def canProcessUnsafeRows: Boolean = false
+
+ /**
+ * Specifies whether this operator is capable of processing
Java-object-based Rows (i.e. rows
+ * that are not UnsafeRows).
+ */
+ def canProcessSafeRows: Boolean = true
--- End diff --
These methods will be used out of LocalNode, such as building a LocalNode
tree. So I didn't use `protected` for them.
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