Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/18270#discussion_r136121931
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/SQLQuerySuite.scala
---
@@ -1414,6 +1414,19 @@ class SQLQuerySuite extends QueryTest with
SQLTestUtils with TestHiveSingleton {
).map(i => Row(i._1, i._2, i._3)))
}
+ test("SPARK-21055 replace grouping__id: Wrong Result for Rollup #1") {
--- End diff --
Instead of adding a new one, you can just make a change on the existing
one.
```Scala
test("SPARK-8976 Wrong Result for Rollup #1") {
Seq("grouping_id()", "grouping__id").foreach { gid =>
checkAnswer(sql(
s"SELECT count(*) AS cnt, key % 5, $gid FROM src GROUP BY key%5
WITH ROLLUP"),
Seq(
(113, 3, 0),
(91, 0, 0),
(500, null, 1),
(84, 1, 0),
(105, 2, 0),
(107, 4, 0)
).map(i => Row(i._1, i._2, i._3)))
}
}
```
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