Github user kiszk commented on a diff in the pull request:
https://github.com/apache/spark/pull/19568#discussion_r146743704
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/joins/SortMergeJoinExec.scala
---
@@ -615,6 +620,7 @@ case class SortMergeJoinExec(
}
s"""
+ |$joinedRow = new JoinedRow();
--- End diff --
Since we generate Java program, is it necessary to declare `JoinedRow` type
for `$joinedRow`?
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