Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/9383#discussion_r43846718
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/AggregationQuerySuite.scala
---
@@ -589,6 +588,13 @@ abstract class AggregationQuerySuite extends QueryTest
with SQLTestUtils with Te
}
}
+ test("no aggregation function") {
+ val df = sqlContext.range(20).selectExpr("id", "repeat(id, 1) as s")
+ .groupBy("s").count()
+ .groupBy().count()
+ checkAnswer(df, Row(20) :: Nil)
+ }
--- End diff --
Added JIRA number
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