uros-db commented on code in PR #47649:
URL: https://github.com/apache/spark/pull/47649#discussion_r1706927824
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/CollationTypeCasts.scala:
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@@ -83,10 +83,15 @@ object CollationTypeCasts extends TypeCoercionRule {
val Seq(newInput, newDefault) = collateToSingleType(Seq(input, default))
framelessOffsetWindow.withNewChildren(Seq(newInput, offset, newDefault))
+ case mapCreate : CreateMap if mapCreate.children.size % 2 == 0 =>
Review Comment:
and what do we do if `mapCreate.children.size` is odd? should we add a test
to reflect this behaviour, and possible a comment here explaining what happens
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