mihailom-db commented on code in PR #45383:
URL: https://github.com/apache/spark/pull/45383#discussion_r1529084410
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/TypeCoercion.scala:
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@@ -764,6 +770,177 @@ abstract class TypeCoercionBase {
}
}
+ object CollationTypeCasts extends TypeCoercionRule {
+ override val transform: PartialFunction[Expression, Expression] = {
+ case e if !e.childrenResolved => e
+
+ case checkCastWithIndeterminate: Concat
Review Comment:
Concat is the only function for now that I know of indeterminate collations
being fine as a result. That is why we are special casing here.
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