TJX2014 commented on a change in pull request #29673:
URL: https://github.com/apache/spark/pull/29673#discussion_r484740633
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File path: sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala
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@@ -2555,6 +2555,19 @@ 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") {
+ withTempPath { path =>
+ spark.range(0, 100, 1, 1)
+ .selectExpr("id", "cast(id as decimal(9, 0)) as decimal_col")
+ .write.mode("overwrite")
+ .parquet(path.getAbsolutePath)
+
spark.read.parquet(path.getAbsolutePath).createOrReplaceTempView("test_table")
Review comment:
`val df = spark.range(0, 50000, 1, 1).selectExpr("id", "cast(id as
decimal(9, 0)) as ss_ext_list_price")
df.createOrReplaceTempView("test_table")
sql("select avg(distinct ss_ext_list_price), sum(distinct ss_ext_list_price)
from test_table").explain` seems enough to reproduce.
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