Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/10520#discussion_r49553700
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveUDFSuite.scala
---
@@ -350,6 +350,13 @@ class HiveUDFSuite extends QueryTest with
TestHiveSingleton with SQLTestUtils {
sqlContext.dropTempTable("testUDF")
}
+ test("Hive UDF in group by") {
+ Seq(Tuple1(1451400761)).toDF("test_date").registerTempTable("tab1")
+ val count = sql("select date(cast(test_date as timestamp))" +
+ " from tab1 group by date(cast(test_date as timestamp))").count()
--- End diff --
I just realize it after I merge the PR. Let's have a pr to improve the
test. Thanks!
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