Github user ueshin commented on a diff in the pull request:
https://github.com/apache/spark/pull/3184#discussion_r20489592
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/GeneratedAggregate.scala
---
@@ -117,15 +119,15 @@ case class GeneratedAggregate(
val updateCount = If(IsNotNull(toCount), Add(currentCount,
Literal(1L)), currentCount)
val updateSum = Coalesce(Add(expr, currentSum) :: currentSum ::
Nil)
- val resultType = expr.dataType match {
- case DecimalType.Fixed(precision, scale) =>
- DecimalType(precision + 4, scale + 4)
- case DecimalType.Unlimited =>
+ val calcType =
+ if (DecimalType.isFixed(expr.dataType)) {
--- End diff --
@marmbrus, I'd like to fix a mistake if I made, but I couldn't find what is
wrong.
Could you let me know what to do here again?
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