maropu commented on a change in pull request #29673:
URL: https://github.com/apache/spark/pull/29673#discussion_r486232651
##########
File path: sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala
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@@ -2555,6 +2555,16 @@ class DataFrameSuite extends QueryTest
val df = Seq(0.0 -> -0.0).toDF("pos", "neg")
checkAnswer(df.select($"pos" > $"neg"), Row(false))
}
+
+ test("SPARK-32816: aggregating multiple distinct DECIMAL columns") {
+ checkAnswer(
+ sql(
+ s"""
+ |SELECT AVG(DISTINCT decimal_col), SUM(DISTINCT decimal_col)
+ | FROM VALUES (CAST(1 AS DECIMAL(9, 0))) t(decimal_col)
+ """.stripMargin),
+ Row(1, 1))
Review comment:
nit: the test `group-by.sql` looks enough for this issue, so could you
remove this?
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