Omega359 commented on code in PR #13458:
URL: https://github.com/apache/datafusion/pull/13458#discussion_r1855634897
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datafusion/expr/src/udf.rs:
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@@ -477,6 +487,15 @@ pub trait ScalarUDFImpl: Debug + Send + Sync {
true
}
+ /// Returns the field metadata for this function.
Review Comment:
I think a more detailed explanation would be useful for someone adding a new
UDF to know why this method exists and what use case it is trying to solve.
Without looking at this PR it's pretty opaque.
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