diesel v0.7.0

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diesel v0.7.0 Release Notes

• ➕ Added

  • The initial APIs have been added in the form of #[has_many] and #[belongs_to]. See [the module documentation][associations-module] for more information.

  • The Insertable! macro can now be used instead of #[insertable_into] for those wishing to avoid syntax extensions from diesel_codegen. See https://docs.diesel.rs/diesel/macro.Insertable!.html for details.

  • The Queryable! macro can now be used instead of #[derive(Queryable)] for those wishing to avoid syntax extensions from diesel_codegen. See https://docs.diesel.rs/diesel/macro.Queryable!.html for details.

  • The Identifiable! macro can now be used instead of #[derive(Identifiable)] for those wishing to avoid syntax extensions from diesel_codegen. See https://docs.diesel.rs/diesel/macro.Identifiable!.html for details.

  • The AsChangeset! macro can now be used instead of #[changeset_for(table)] for those wishing to avoid syntax extensions from diesel_codegen. See https://docs.diesel.rs/diesel/macro.AsChangeset!.html for details.

  • ➕ Added support for the PostgreSQL ALL operator. See https://docs.diesel.rs/diesel/pg/expression/dsl/fn.all.html for details.

  • ➕ Added support for RETURNING expressions in DELETE statements. Implicitly these queries will use RETURNING *.

  🔄 Changed

  • 🚀 Diesel now targets nightly-2016-07-07. Future releases will update to a newer nightly version on the date that Rust releases.

  • diesel_codegen has been split into two crates. diesel_codegen and diesel_codegen_syntex. See this commit for migration information.

  • Most structs that implement Queryable will now also need #[derive(Identifiable)].

  • infer_schema! on SQLite now accepts a larger range of type names

  • types::VarChar is now an alias for types::Text. Most code should be unaffected by this. PG array columns are treated slightly differently, however. If you are using varchar[], you should switch to text[] instead.

  • Struct fields annotated with #[column_name="name"] should be changed to #[column_name(name)].

  • 👀 The structure of DatabaseError has changed to hold more information. See https://docs.diesel.rs/diesel/result/enum.Error.html and https://docs.diesel.rs/diesel/result/trait.DatabaseErrorInformation.html for more information

  • ⚡️ Structs which implement Identifiable can now be passed to update and delete. This means you can now write delete(&user).execute(&connection) instead of delete(users.find(user.id)).execute(&connection)

  📄 [associations-module]: https://docs.diesel.rs/diesel/associations/index.html

  🛠 Fixed

  • &&[T] can now be used in queries. This allows using slices with things like #[insertable_into].

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