alan910127 commented on code in PR #14737:
URL: https://github.com/apache/datafusion/pull/14737#discussion_r1969771105
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datafusion/functions-nested/src/resize.rs:
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@@ -106,6 +127,7 @@ impl ScalarUDFImpl for ArrayResize {
match &arg_types[0] {
List(field) | FixedSizeList(field, _) =>
Ok(List(Arc::clone(field))),
LargeList(field) => Ok(LargeList(Arc::clone(field))),
+ DataType::Null => Ok(DataType::Null),
Review Comment:
I don't quite understand, isn't this the return type of the udf?
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