cloud-fan commented on code in PR #36698:
URL: https://github.com/apache/spark/pull/36698#discussion_r885232931
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/decimalExpressions.scala:
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@@ -232,3 +216,33 @@ case class CheckOverflowInSum(
override protected def withNewChildInternal(newChild: Expression):
CheckOverflowInSum =
copy(child = newChild)
}
+
+/**
+ * An add expression which is only used for internal add with decimal type.
Review Comment:
```suggestion
* An add expression which is only used internally by Sum/Avg
```
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