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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/01/08 19:41:50 UTC

[GitHub] [arrow] jorgecarleitao commented on pull request #9138: ARROW-11187: [Rust] [Parquet] Fix Build error by Pin specific parquet-format-rs version

jorgecarleitao commented on pull request #9138:
URL: https://github.com/apache/arrow/pull/9138#issuecomment-756956898


   Having a library version be set after a format version is funny, as it is entirely possible to backward incompatibly change an API without backward incompatibly change the format, and vice-versa.
   
   IMO the contract that different implementations sign about a format is independent of the contract that the consumers of a library sign with the developers of the library.
   
   Given the decision to version that package as such, IMO we should pin the exact version in `Cargo.toml`, as there is no guarantee that a minor bump does not break backward compatibility (as this incident shows), and `~` in cargo [assumes semver](https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#specifying-dependencies-from-cratesio).
   


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