Github user huaxingao commented on a diff in the pull request:
https://github.com/apache/spark/pull/19496#discussion_r144732734
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala
---
@@ -2103,4 +2103,13 @@ class DataFrameSuite extends QueryTest with
SharedSQLContext {
testData2.select(lit(7), 'a, 'b).orderBy(lit(1), lit(2), lit(3)),
Seq(Row(7, 1, 1), Row(7, 1, 2), Row(7, 2, 1), Row(7, 2, 2), Row(7,
3, 1), Row(7, 3, 2)))
}
+
+ test("SPARK-22271: mean overflows and returns null for some decimal
variables") {
+ val d: BigDecimal = BigDecimal(0.034567890)
--- End diff --
It's not necessary. I will remove. Thanks for your review.
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