alamb commented on code in PR #24366:
URL: https://github.com/apache/datafusion/pull/24366#discussion_r3785541106
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datafusion/common/src/metadata.rs:
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@@ -179,10 +173,7 @@ pub fn format_type_and_metadata(
pub struct FieldMetadata {
/// The inner metadata of a literal expression, which is a map of string
/// keys to string values.
- ///
- /// Note this is not a `HashMap` because `HashMap` does not provide
- /// implementations for traits like `Debug` and `Hash`.
- inner: Arc<BTreeMap<String, String>>,
+ inner: Metadata,
Review Comment:
Changed the inner field to be `Metadata` (as it is now the same
representation after https://github.com/apache/arrow-rs/pull/10075)
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