bersprockets commented on code in PR #40569:
URL: https://github.com/apache/spark/pull/40569#discussion_r1149995693
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sql/core/src/test/scala/org/apache/spark/sql/SubquerySuite.scala:
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@@ -2695,4 +2695,26 @@ class SubquerySuite extends QueryTest
}
}
}
+
+ test("SPARK-42937: Outer join with subquery in condition") {
+ withSQLConf(SQLConf.ADAPTIVE_EXECUTION_ENABLED.key -> "false",
Review Comment:
@allisonwang-db
When adaptive execution is enabled, `PlanAdaptiveSubqueries` always sets
`shouldBroadcast=true`, so the subquery's result is available on the executor,
if needed.
https://github.com/apache/spark/blob/31965a06c9f85abf2296971237b1f88065eb67c2/sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/PlanAdaptiveSubqueries.scala#L46
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