MaxGekk commented on a change in pull request #33268:
URL: https://github.com/apache/spark/pull/33268#discussion_r666265344
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File path:
sql/core/src/test/scala/org/apache/spark/sql/DataFrameAggregateSuite.scala
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@@ -1398,6 +1398,14 @@ class DataFrameAggregateSuite extends QueryTest
val df2 = Seq(Period.ofYears(1)).toDF("a").groupBy("a").count()
checkAnswer(df2, Row(Period.ofYears(1), 1))
}
+
+ test("SPARK-36054: Support group by TimestampNTZ column") {
+ val ts1 = "2021-01-01T00:00:00"
+ val ts2 = "2021-01-01T00:00:01"
+ val localDateTime = Seq(ts1, ts1, ts2).map(LocalDateTime.parse)
+ val df = localDateTime.toDF("ts").groupBy("ts").count().orderBy("ts")
+ checkAnswer(df, Seq(Row(LocalDateTime.parse(ts1), 2),
Row(LocalDateTime.parse(ts2), 1)))
Review comment:
Could you check type of the result, please. Is it `timestamp_ntz`?
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