jorgecarleitao commented on pull request #982:
URL: https://github.com/apache/arrow-datafusion/pull/982#issuecomment-914951098


   My understanding of `cargo` is that libraries should not contain a 
`cargo.lock` in their git - only binaries should - 
https://doc.rust-lang.org/cargo/faq.html#why-do-binaries-have-cargolock-in-version-control-but-not-libraries
   
   I did not place Python bindings as a member of the workspace because a 
workspace by definition [shares the `cargo.lock` across all its 
members](https://doc.rust-lang.org/book/ch14-03-cargo-workspaces.html#creating-a-workspace).
   
   So, I think the resolution here is to generate a `python/Cargo.lock` from 
the Python bindings alone, which maturin will use. This is also [how polars 
does it](https://github.com/pola-rs/polars/tree/master/py-polars).


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