turboFei commented on a change in pull request #25701: [SPARK-29000][SQL]
Decimal precision overflow when don't allow precision loss
URL: https://github.com/apache/spark/pull/25701#discussion_r321763727
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/TypeCoercion.scala
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@@ -861,7 +861,8 @@ object TypeCoercion {
// Skip nodes who's children have not been resolved yet.
case e if !e.childrenResolved => e
- case b @ BinaryOperator(left, right) if left.dataType != right.dataType
=>
+ case b @ BinaryOperator(left, right) if
!left.dataType.isInstanceOf[DecimalType] &&
+ !right.dataType.isInstanceOf[DecimalType] && left.dataType !=
right.dataType =>
Review comment:
thanks
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