Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/14661#discussion_r76141512
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
---
@@ -2586,6 +2586,63 @@ class SQLQuerySuite extends QueryTest with
SharedSQLContext {
Row(s"$expected") :: Nil)
}
+ test("SPARK-16991: Full outer join followed by inner join produces wrong
results") {
+ val a = Seq((1, 2), (2, 3)).toDF("a", "b")
+ val b = Seq((2, 5), (3, 4)).toDF("a", "c")
+ val c = Seq((3, 1)).toDF("a", "d")
+ val ab = a.join(b, Seq("a"), "fullouter")
+ checkAnswer(ab.join(c, "a"), Row(3, null, 4, 1) :: Nil)
+ }
+
+ test("SPARK-17099: Incorrect result when HAVING clause is added to group
by query") {
--- End diff --
move these over to SQLQueryTestSuite?
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