dongjoon-hyun commented on code in PR #53428:
URL: https://github.com/apache/spark/pull/53428#discussion_r2607506416
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/TypeCoercionBase.scala:
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@@ -262,7 +262,11 @@ abstract class TypeCoercionBase extends TypeCoercionHelper
{
case (attr, dt) =>
val widerType = findWiderTypeForTwo(attr.dataType, dt)
if (widerType.isDefined && widerType.get == dt) {
- Alias(Cast(attr, dt), attr.name)()
+ if (attr.dataType != dt) {
+ Alias(Cast(attr, dt, Some(conf.sessionLocalTimeZone)),
attr.name)()
Review Comment:
This is non-trivial because you are adding `Some(conf.sessionLocalTimeZone)`.
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