Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/19916#discussion_r155513053
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/SortSuite.scala ---
@@ -119,4 +120,20 @@ class SortSuite extends SparkPlanTest with
SharedSQLContext {
)
}
}
+
+ test("SPARK-22716: SortExec should not use a global variable to
reference to itself") {
+ val ctx = new CodegenContext
+ val df = Seq(("a", 1)).toDF("a", "b").sort("a")
+ val plan = df.queryExecution.executedPlan
+ val sortExec = plan.children.head.asInstanceOf[SortExec]
+ sortExec.produce(ctx, plan.asInstanceOf[CodegenSupport])
+ // we expect 8 global variables:
--- End diff --
This test and that one in `BroadcastJoinSuite` seems a bit overkill.
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