Github user peter-toth commented on a diff in the pull request:
https://github.com/apache/spark/pull/22318#discussion_r215189187
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
---
@@ -754,11 +754,16 @@ class Analyzer(
* a logical plan node's children.
*/
object ResolveReferences extends Rule[LogicalPlan] {
+
+ private val emptyAttrMap = new AttributeMap[Attribute](Map.empty)
--- End diff --
@mgaido91 , I agree with you and happy to do it, just saw your concerns
about binary compatibility.
@cloud-fan @maropu please share your thoughts on this.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
