alamb commented on a change in pull request #9731:
URL: https://github.com/apache/arrow/pull/9731#discussion_r596737499
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File path: rust/parquet/src/basic.rs
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@@ -156,6 +158,12 @@ pub enum ConvertedType {
// Mirrors `parquet::LogicalType`
/// Logical types used by version 2 of the Parquet format.
+///
+/// *Upgrade Note*: This is an *entirely new* struct as of version
Review comment:
I think it is important to put a hint as close to where people will hit
the compiler error as possible (e.g. I wouldn't have known to look in the
README when I hit the error on upgrade).
That being said, I think you are right that the actual content doesn't need
to be duplicated here -- I will change it to point people at the readme for
further details.
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