RUST-1992 Update the driver for bson cstr API changes #1412
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abr-egn
commented
Jul 8, 2025
Cargo.toml
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| @@ -136,6 +136,9 @@ version = "3.0.0" | |||
| optional = true | |||
| features = ["serde"] | |||
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| [patch."https://github.com/mongodb/bson-rust"] | |||
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I'll remove this once mongodb/bson-rust#571 is merged.
src/client/executor.rs
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| @@ -320,10 +320,11 @@ impl Client { | |||
| .and_then(|s| s.transaction.pinned_mongos()) | |||
| .or_else(|| op.selection_criteria()); | |||
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| let op_name: &str = op.name().into(); | |||
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op.name().as_str() would be the easier way to spell this but unfortunately that doesn't compile for bson 2.x when op.name() is a str itself because str::as_str isn't stabilized yet 😞 (rust-lang/rust#130366)
| @@ -108,7 +109,7 @@ pub(crate) trait Operation { | |||
| type O; | |||
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| /// The name of the server side command associated with this operation. | |||
| const NAME: &'static str; | |||
| const NAME: &'static CStr; | |||
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In the large majority of cases, NAME is primarily used as a key in rawdoc! construction.
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RUST-1992
This involved unwinding all the fallibility I'd introduced in #1401, and introducing a compatibility layer for
CStrthat redirects to plainstrfor bson 2.x.