karuppayya commented on a change in pull request #23696:
[SPARK-26781][SQL]Avoid additional exchanges
URL: https://github.com/apache/spark/pull/23696#discussion_r252308056
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/namedExpressions.scala
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@@ -240,7 +256,9 @@ case class AttributeReference(
/**
* Returns true iff the expression id is the same for both attributes.
*/
- def sameRef(other: AttributeReference): Boolean = this.exprId == other.exprId
+ def sameRef(other: AttributeReference): Boolean = {
+ this.exprId == other.exprId
+ }
Review comment:
Reverted
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