Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/10653#discussion_r49418852
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashOuterJoin.scala
---
@@ -78,8 +78,11 @@ trait HashOuterJoin {
@transient private[this] lazy val leftNullRow = new
GenericInternalRow(left.output.length)
@transient private[this] lazy val rightNullRow = new
GenericInternalRow(right.output.length)
- @transient private[this] lazy val boundCondition =
+ @transient private[this] lazy val boundCondition = if
(condition.isDefined) {
--- End diff --
It's not related to this PR, just make it to aligned with others (a little
faster for empty condition).
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