mqy commented on a change in pull request #9025:
URL: https://github.com/apache/arrow/pull/9025#discussion_r552601425
##########
File path: rust/arrow/src/datatypes.rs
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@@ -1296,9 +1301,31 @@ impl Field {
nullable,
dict_id,
dict_is_ordered,
+ metadata: None,
}
}
+ /// Sets the `Field`'s optional custom metadata.
+ /// The metadata is set as `None` for empty map.
+ /// Return cloned `Self`.
+ #[inline]
+ pub fn with_metadata(&mut self, metadata: Option<BTreeMap<String,
String>>) -> Self {
Review comment:
@nevi-me I totally agree that the cloned behavior is a bug instead of
coding style problem.
I had fixed it per your suggestion and renamed the function from
`with_metadata` to `set_metadata` without any return value.
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