mirror of https://github.com/rwf2/Rocket.git
Add support for 'diesel-async' to 'db_pools'.
This commit is contained in:
Sergio Benitez
parent
792bab251e
commit
9a9cd76c01
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@ -23,6 +23,9 @@ sqlx_postgres = ["sqlx", "sqlx/postgres"]
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sqlx_sqlite = ["sqlx", "sqlx/sqlite"]
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sqlx_mssql = ["sqlx", "sqlx/mssql"]
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sqlx_macros = ["sqlx/macros"]
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# diesel features
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diesel_postgres = ["diesel-async/postgres", "diesel-async/deadpool", "diesel", "deadpool"]
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diesel_mysql = ["diesel-async/mysql", "diesel-async/deadpool", "diesel", "deadpool"]
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# implicit features: mongodb
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[dependencies.rocket]
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@ -58,6 +61,16 @@ default-features = false
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features = ["tokio-runtime"]
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optional = true
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[dependencies.diesel-async]
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version = "0.3.1"
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default-features = false
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optional = true
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[dependencies.diesel]
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version = "2.1"
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default-features = false
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optional = true
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[dependencies.sqlx]
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version = "0.6"
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default-features = false
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@ -0,0 +1,149 @@
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//! Re-export of [`diesel`] with prelude types overridden with `async` variants
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//! from [`diesel_async`].
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//!
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//! # Usage
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//!
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//! To use `async` `diesel` support provided here, enable the following
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//! dependencies in your `Cargo.toml`:
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//!
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//! ```toml
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//! [dependencies]
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//! rocket = "=0.5.0-rc.3"
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//! diesel = "2"
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//!
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//! [dependencies.rocket_db_pools]
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//! version = "=0.1.0-rc.3"
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//! features = ["diesel_mysql"]
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//! ```
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//!
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//! Then, import `rocket_db_pools::diesel::prelude::*` as well as the
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//! appropriate pool type and, optionally, [`QueryResult`]. To use macros or
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//! `diesel` functions, use `diesel::` directly. That is, _do not_ import
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//! `rocket_db_pools::diesel`. Doing so will, by design, cause import errors.
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//!
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//! # Example
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//!
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//! ```rust
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//! # #[macro_use] extern crate rocket;
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//! # #[cfg(feature = "diesel_mysql")] {
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//! use rocket_db_pools::{Database, Connection};
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//! use rocket_db_pools::diesel::{QueryResult, MysqlPool, prelude::*};
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//!
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//! #[derive(Database)]
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//! #[database("diesel_mysql")]
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//! struct Db(MysqlPool);
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//!
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//! #[derive(Queryable, Insertable)]
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//! #[diesel(table_name = posts)]
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//! struct Post {
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//! id: i64,
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//! title: String,
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//! published: bool,
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//! }
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//!
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//! diesel::table! {
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//! posts (id) {
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//! id -> BigInt,
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//! title -> Text,
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//! published -> Bool,
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//! }
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//! }
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//!
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//! #[get("/")]
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//! async fn list(mut db: Connection<Db>) -> QueryResult<String> {
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//! let post_ids: Vec<i64> = posts::table
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//! .select(posts::id)
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//! .load(&mut db)
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//! .await?;
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//!
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//! Ok(format!("{post_ids:?}"))
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//! }
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//! # }
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//! ```
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/// The [`diesel`] prelude with `sync`-only traits replaced with their
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/// [`diesel_async`] variants.
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pub mod prelude {
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#[doc(inline)]
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pub use diesel::prelude::*;
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#[doc(inline)]
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pub use diesel_async::{AsyncConnection, RunQueryDsl, SaveChangesDsl};
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}
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#[doc(hidden)]
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pub use diesel::*;
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#[doc(hidden)]
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pub use diesel_async::{RunQueryDsl, SaveChangesDsl, *};
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#[doc(hidden)]
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#[cfg(feature = "diesel_postgres")]
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pub use diesel_async::pg;
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#[doc(inline)]
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pub use diesel_async::pooled_connection::deadpool::Pool;
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#[doc(inline)]
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#[cfg(feature = "diesel_mysql")]
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pub use diesel_async::AsyncMysqlConnection;
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#[doc(inline)]
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#[cfg(feature = "diesel_postgres")]
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pub use diesel_async::AsyncPgConnection;
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/// Alias of a `Result` with an error type of [`Debug`] for a `diesel::Error`.
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///
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/// `QueryResult` is a [`Responder`](rocket::response::Responder) when `T` (the
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/// `Ok` value) is a `Responder`. By using this alias as a route handler's
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/// return type, the `?` operator can be applied to fallible `diesel` functions
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/// in the route handler while still providing a valid `Responder` return type.
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///
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/// See the [module level docs](self#example) for a usage example.
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///
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/// [`Debug`]: rocket::response::Debug
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pub type QueryResult<T, E = rocket::response::Debug<diesel::result::Error>> = Result<T, E>;
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/// Type alias for an `async` pool of MySQL connections for `async` [diesel].
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///
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/// ```rust
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/// # extern crate rocket;
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/// # #[cfg(feature = "diesel_mysql")] {
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/// # use rocket::get;
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/// use rocket_db_pools::{Database, Connection};
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/// use rocket_db_pools::diesel::{MysqlPool, prelude::*};
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///
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/// #[derive(Database)]
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/// #[database("my_mysql_db_name")]
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/// struct Db(MysqlPool);
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///
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/// #[get("/")]
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/// async fn use_db(mut db: Connection<Db>) {
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/// /* .. */
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/// }
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/// # }
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/// ```
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#[cfg(feature = "diesel_mysql")]
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pub type MysqlPool = Pool<AsyncMysqlConnection>;
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/// Type alias for an `async` pool of Postgres connections for `async` [diesel].
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///
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/// ```rust
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/// # extern crate rocket;
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/// # #[cfg(feature = "diesel_postgres")] {
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/// # use rocket::get;
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/// use rocket_db_pools::{Database, Connection};
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/// use rocket_db_pools::diesel::{PgPool, prelude::*};
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///
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/// #[derive(Database)]
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/// #[database("my_pg_db_name")]
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/// struct Db(PgPool);
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///
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/// #[get("/")]
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/// async fn use_db(mut db: Connection<Db>) {
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/// /* .. */
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/// }
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/// # }
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/// ```
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#[cfg(feature = "diesel_postgres")]
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pub type PgPool = Pool<AsyncPgConnection>;
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@ -98,10 +98,10 @@
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//!
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//! # Supported Drivers
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//!
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//! At present, this crate supports _three_ drivers: [`deadpool`], [`sqlx`], and
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//! [`mongodb`]. Each driver may support multiple databases. Drivers have a
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//! varying degree of support for graceful shutdown, affected by the
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//! `Type::init()` fairing on Rocket shutdown.
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//! At present, this crate supports _four_ drivers: [`deadpool`], [`sqlx`],
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//! [`mongodb`], and [`diesel`]. Each driver may support multiple databases.
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//! Drivers have a varying degree of support for graceful shutdown, affected by
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//! the `Type::init()` fairing on Rocket shutdown.
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//!
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//! ## `deadpool` (v0.9)
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//!
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@ -126,10 +126,10 @@
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//! [`sqlx::MySqlPool`]: https://docs.rs/sqlx/0.6/sqlx/type.MySqlPool.html
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//! [`sqlx::SqlitePool`]: https://docs.rs/sqlx/0.6/sqlx/type.SqlitePool.html
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//! [`sqlx::MssqlPool`]: https://docs.rs/sqlx/0.6/sqlx/type.MssqlPool.html
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//! [`sqlx::PoolConnection<Postgres>`]: https://docs.rs/sqlx/0.6/sqlx/pool/struct.PoolConnection.html
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//! [`sqlx::PoolConnection<MySql>`]: https://docs.rs/sqlx/0.6/sqlx/pool/struct.PoolConnection.html
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//! [`sqlx::PoolConnection<Sqlite>`]: https://docs.rs/sqlx/0.6/sqlx/pool/struct.PoolConnection.html
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//! [`sqlx::PoolConnection<Mssql>`]: https://docs.rs/sqlx/0.6/sqlx/pool/struct.PoolConnection.html
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//! [`sqlx::pool::PoolConnection<Postgres>`]: https://docs.rs/sqlx/0.6/sqlx/pool/struct.PoolConnection.html
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//! [`sqlx::pool::PoolConnection<MySql>`]: https://docs.rs/sqlx/0.6/sqlx/pool/struct.PoolConnection.html
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//! [`sqlx::pool::PoolConnection<Sqlite>`]: https://docs.rs/sqlx/0.6/sqlx/pool/struct.PoolConnection.html
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//! [`sqlx::pool::PoolConnection<Mssql>`]: https://docs.rs/sqlx/0.6/sqlx/pool/struct.PoolConnection.html
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//!
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//! On shutdown, new connections are denied. Shutdown waits for connections to
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//! be returned.
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@ -142,6 +142,18 @@
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//!
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//! Graceful shutdown is not supported.
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//!
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//! ## `diesel` (v2)
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//!
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//! | Database | Feature | [`Pool`] Type | [`Connection`] Deref |
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//! |----------|-------------------|-----------------------|----------------------------------|
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//! | Postgres | `diesel_postgres` | [`diesel::PgPool`] | [`diesel::AsyncPgConnection`] |
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//! | MySQL | `diesel_mysql` | [`diesel::MysqlPool`] | [`diesel::AsyncMysqlConnection`] | //!
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//!
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//! See [`diesel`] for usage details.
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//!
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//! On shutdown, new connections are denied. Shutdown _does not_ wait for
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//! connections to be returned.
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//!
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//! ## Enabling Additional Driver Features
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//!
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//! Only the minimal features for each driver crate are enabled by
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@ -186,7 +198,7 @@
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//!
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//! See [`Config`] for details on configuration parameters.
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//!
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//! **Note:** `deadpool` drivers do not support and thus ignore the
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//! **Note:** `deadpool` and `diesel` drivers do not support and thus ignore the
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//! `min_connections` value.
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//!
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//! ## Driver Defaults
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@ -225,11 +237,13 @@
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#![deny(missing_docs)]
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pub use rocket;
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/// Re-export of the `figment` crate.
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#[doc(inline)]
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pub use rocket::figment;
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pub use rocket;
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#[cfg(any(feature = "diesel_postgres", feature = "diesel_mysql"))] pub mod diesel;
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#[cfg(feature = "deadpool_postgres")] pub use deadpool_postgres;
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#[cfg(feature = "deadpool_redis")] pub use deadpool_redis;
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#[cfg(feature = "mongodb")] pub use mongodb;
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@ -157,6 +157,9 @@ mod deadpool_postgres {
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use deadpool::{managed::{Manager, Pool, PoolError, Object, BuildError}, Runtime};
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use super::{Duration, Error, Config, Figment};
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#[cfg(any(feature = "diesel_postgres", feature = "diesel_mysql"))]
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use diesel_async::pooled_connection::AsyncDieselConnectionManager;
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pub trait DeadManager: Manager + Sized + Send + Sync + 'static {
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fn new(config: &Config) -> Result<Self, Self::Error>;
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}
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@ -175,6 +178,20 @@ mod deadpool_postgres {
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}
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}
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#[cfg(feature = "diesel_postgres")]
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impl DeadManager for AsyncDieselConnectionManager<diesel_async::AsyncPgConnection> {
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fn new(config: &Config) -> Result<Self, Self::Error> {
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Ok(Self::new(config.url.as_str()))
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}
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}
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#[cfg(feature = "diesel_mysql")]
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impl DeadManager for AsyncDieselConnectionManager<diesel_async::AsyncMysqlConnection> {
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fn new(config: &Config) -> Result<Self, Self::Error> {
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Ok(Self::new(config.url.as_str()))
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}
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}
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#[rocket::async_trait]
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impl<M: DeadManager, C: From<Object<M>>> crate::Pool for Pool<M, C>
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where M::Type: Send, C: Send + Sync + 'static, M::Error: std::error::Error
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@ -20,4 +20,5 @@ devise = "0.4"
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[dev-dependencies]
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version_check = "0.9"
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trybuild = "1.0"
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rocket_sync_db_pools = { path = "../lib", features = ["diesel_sqlite_pool"] }
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rocket_sync_db_pools = { path = "../lib" }
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rocket = { path = "../../../core/lib" }
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@ -1,57 +1,57 @@
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error: unexpected end of input, expected string literal
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--> tests/ui-fail-nightly/database-syntax.rs:6:1
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6 | #[database]
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| ^^^^^^^^^^^
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= note: this error originates in the attribute macro `database` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: expected string literal
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--> tests/ui-fail-nightly/database-syntax.rs:9:12
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9 | #[database(1)]
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| ^
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error: expected string literal
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--> tests/ui-fail-nightly/database-syntax.rs:12:12
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--> tests/ui-fail-nightly/database-syntax.rs:27:1
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12 | #[database(123)]
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27 | #[database]
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| ^^^^^^^^^^^
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= note: this error originates in the attribute macro `database` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: expected string literal
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--> tests/ui-fail-nightly/database-syntax.rs:30:12
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30 | #[database(1)]
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| ^
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error: expected string literal
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--> tests/ui-fail-nightly/database-syntax.rs:33:12
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33 | #[database(123)]
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| ^^^
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error: unexpected token
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--> tests/ui-fail-nightly/database-syntax.rs:15:20
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--> tests/ui-fail-nightly/database-syntax.rs:36:20
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15 | #[database("hello" "hi")]
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36 | #[database("hello" "hi")]
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| ^^^^
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error: `database` attribute can only be used on structs
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--> tests/ui-fail-nightly/database-syntax.rs:19:1
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--> tests/ui-fail-nightly/database-syntax.rs:40:1
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19 | enum Foo { }
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40 | enum Foo { }
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| ^^^^^^^^^^^^^
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error: `database` attribute can only be applied to structs with exactly one unnamed field
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--> tests/ui-fail-nightly/database-syntax.rs:22:11
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--> tests/ui-fail-nightly/database-syntax.rs:43:11
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22 | struct Bar(diesel::SqliteConnection, diesel::SqliteConnection);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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43 | struct Bar(Connection, Connection);
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| ^^^^^^^^^^^^^^^^^^^^^^^^
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|
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= help: example: `struct MyDatabase(diesel::SqliteConnection);`
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error: `database` attribute can only be used on structs
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--> tests/ui-fail-nightly/database-syntax.rs:25:1
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--> tests/ui-fail-nightly/database-syntax.rs:46:1
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|
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25 | union Baz { }
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46 | union Baz { }
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| ^^^^^^^^^^^^^^
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error: `database` attribute cannot be applied to structs with generics
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--> tests/ui-fail-nightly/database-syntax.rs:28:9
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--> tests/ui-fail-nightly/database-syntax.rs:49:9
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|
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28 | struct E<'r>(&'r str);
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49 | struct E<'r>(&'r str);
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| ^^^^
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error: `database` attribute cannot be applied to structs with generics
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--> tests/ui-fail-nightly/database-syntax.rs:31:9
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--> tests/ui-fail-nightly/database-syntax.rs:52:9
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|
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31 | struct F<T>(T);
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52 | struct F<T>(T);
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| ^^^
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|
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@ -4,7 +4,6 @@ error[E0277]: the trait bound `Unknown: Poolable` is not satisfied
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6 | struct A(Unknown);
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| ^^^^^^^ the trait `Poolable` is not implemented for `Unknown`
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|
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= help: the trait `Poolable` is implemented for `SqliteConnection`
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note: required by a bound in `rocket_sync_db_pools::Connection`
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--> $WORKSPACE/contrib/sync_db_pools/lib/src/connection.rs
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|
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@ -17,7 +16,6 @@ error[E0277]: the trait bound `Vec<i32>: Poolable` is not satisfied
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9 | struct B(Vec<i32>);
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| ^^^^^^^^ the trait `Poolable` is not implemented for `Vec<i32>`
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|
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= help: the trait `Poolable` is implemented for `SqliteConnection`
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note: required by a bound in `rocket_sync_db_pools::Connection`
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--> $WORKSPACE/contrib/sync_db_pools/lib/src/connection.rs
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|
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@ -30,7 +28,6 @@ error[E0277]: the trait bound `Unknown: Poolable` is not satisfied
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6 | struct A(Unknown);
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| ^^^^^^^ the trait `Poolable` is not implemented for `Unknown`
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|
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= help: the trait `Poolable` is implemented for `SqliteConnection`
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note: required by a bound in `ConnectionPool`
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--> $WORKSPACE/contrib/sync_db_pools/lib/src/connection.rs
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|
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@ -43,7 +40,6 @@ error[E0277]: the trait bound `Vec<i32>: Poolable` is not satisfied
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9 | struct B(Vec<i32>);
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| ^^^^^^^^ the trait `Poolable` is not implemented for `Vec<i32>`
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|
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= help: the trait `Poolable` is implemented for `SqliteConnection`
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note: required by a bound in `ConnectionPool`
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--> $WORKSPACE/contrib/sync_db_pools/lib/src/connection.rs
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@ -1,56 +1,56 @@
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error: unexpected end of input, expected string literal
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--> tests/ui-fail-stable/database-syntax.rs:6:1
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|
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6 | #[database]
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| ^^^^^^^^^^^
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|
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= note: this error originates in the attribute macro `database` (in Nightly builds, run with -Z macro-backtrace for more info)
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|
||||
error: expected string literal
|
||||
--> tests/ui-fail-stable/database-syntax.rs:9:12
|
||||
|
|
||||
9 | #[database(1)]
|
||||
| ^
|
||||
|
||||
error: expected string literal
|
||||
--> tests/ui-fail-stable/database-syntax.rs:12:12
|
||||
--> tests/ui-fail-stable/database-syntax.rs:27:1
|
||||
|
|
||||
12 | #[database(123)]
|
||||
27 | #[database]
|
||||
| ^^^^^^^^^^^
|
||||
|
|
||||
= note: this error originates in the attribute macro `database` (in Nightly builds, run with -Z macro-backtrace for more info)
|
||||
|
||||
error: expected string literal
|
||||
--> tests/ui-fail-stable/database-syntax.rs:30:12
|
||||
|
|
||||
30 | #[database(1)]
|
||||
| ^
|
||||
|
||||
error: expected string literal
|
||||
--> tests/ui-fail-stable/database-syntax.rs:33:12
|
||||
|
|
||||
33 | #[database(123)]
|
||||
| ^^^
|
||||
|
||||
error: unexpected token
|
||||
--> tests/ui-fail-stable/database-syntax.rs:15:20
|
||||
--> tests/ui-fail-stable/database-syntax.rs:36:20
|
||||
|
|
||||
15 | #[database("hello" "hi")]
|
||||
36 | #[database("hello" "hi")]
|
||||
| ^^^^
|
||||
|
||||
error: `database` attribute can only be used on structs
|
||||
--> tests/ui-fail-stable/database-syntax.rs:19:1
|
||||
--> tests/ui-fail-stable/database-syntax.rs:40:1
|
||||
|
|
||||
19 | enum Foo { }
|
||||
40 | enum Foo { }
|
||||
| ^^^^
|
||||
|
||||
error: `database` attribute can only be applied to structs with exactly one unnamed field
|
||||
--- help: example: `struct MyDatabase(diesel::SqliteConnection);`
|
||||
--> tests/ui-fail-stable/database-syntax.rs:22:11
|
||||
--> tests/ui-fail-stable/database-syntax.rs:43:11
|
||||
|
|
||||
22 | struct Bar(diesel::SqliteConnection, diesel::SqliteConnection);
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
43 | struct Bar(Connection, Connection);
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: `database` attribute can only be used on structs
|
||||
--> tests/ui-fail-stable/database-syntax.rs:25:1
|
||||
--> tests/ui-fail-stable/database-syntax.rs:46:1
|
||||
|
|
||||
25 | union Baz { }
|
||||
46 | union Baz { }
|
||||
| ^^^^^
|
||||
|
||||
error: `database` attribute cannot be applied to structs with generics
|
||||
--> tests/ui-fail-stable/database-syntax.rs:28:9
|
||||
--> tests/ui-fail-stable/database-syntax.rs:49:9
|
||||
|
|
||||
28 | struct E<'r>(&'r str);
|
||||
49 | struct E<'r>(&'r str);
|
||||
| ^
|
||||
|
||||
error: `database` attribute cannot be applied to structs with generics
|
||||
--> tests/ui-fail-stable/database-syntax.rs:31:9
|
||||
--> tests/ui-fail-stable/database-syntax.rs:52:9
|
||||
|
|
||||
31 | struct F<T>(T);
|
||||
52 | struct F<T>(T);
|
||||
| ^
|
||||
|
|
|
|||
|
|
@ -4,7 +4,6 @@ error[E0277]: the trait bound `Unknown: Poolable` is not satisfied
|
|||
6 | struct A(Unknown);
|
||||
| ^^^^^^^ the trait `Poolable` is not implemented for `Unknown`
|
||||
|
|
||||
= help: the trait `Poolable` is implemented for `SqliteConnection`
|
||||
note: required by a bound in `rocket_sync_db_pools::Connection`
|
||||
--> $WORKSPACE/contrib/sync_db_pools/lib/src/connection.rs
|
||||
|
|
||||
|
|
@ -17,7 +16,6 @@ error[E0277]: the trait bound `Vec<i32>: Poolable` is not satisfied
|
|||
9 | struct B(Vec<i32>);
|
||||
| ^^^ the trait `Poolable` is not implemented for `Vec<i32>`
|
||||
|
|
||||
= help: the trait `Poolable` is implemented for `SqliteConnection`
|
||||
note: required by a bound in `rocket_sync_db_pools::Connection`
|
||||
--> $WORKSPACE/contrib/sync_db_pools/lib/src/connection.rs
|
||||
|
|
||||
|
|
@ -30,7 +28,6 @@ error[E0277]: the trait bound `Unknown: Poolable` is not satisfied
|
|||
6 | struct A(Unknown);
|
||||
| ^^^^^^^ the trait `Poolable` is not implemented for `Unknown`
|
||||
|
|
||||
= help: the trait `Poolable` is implemented for `SqliteConnection`
|
||||
note: required by a bound in `ConnectionPool`
|
||||
--> $WORKSPACE/contrib/sync_db_pools/lib/src/connection.rs
|
||||
|
|
||||
|
|
@ -43,7 +40,6 @@ error[E0277]: the trait bound `Vec<i32>: Poolable` is not satisfied
|
|||
9 | struct B(Vec<i32>);
|
||||
| ^^^ the trait `Poolable` is not implemented for `Vec<i32>`
|
||||
|
|
||||
= help: the trait `Poolable` is implemented for `SqliteConnection`
|
||||
note: required by a bound in `ConnectionPool`
|
||||
--> $WORKSPACE/contrib/sync_db_pools/lib/src/connection.rs
|
||||
|
|
||||
|
|
|
|||
|
|
@ -1,25 +1,46 @@
|
|||
use rocket_sync_db_pools::database;
|
||||
|
||||
#[allow(unused_imports)]
|
||||
use rocket_sync_db_pools::diesel;
|
||||
struct Connection;
|
||||
struct Manager;
|
||||
|
||||
use rocket::{Rocket, Build};
|
||||
use rocket_sync_db_pools::{r2d2, Poolable, PoolResult};
|
||||
|
||||
impl r2d2::ManageConnection for Manager {
|
||||
type Connection = Connection;
|
||||
type Error = std::convert::Infallible;
|
||||
|
||||
fn connect(&self) -> Result<Self::Connection, Self::Error> { Ok(Connection) }
|
||||
fn is_valid(&self, conn: &mut Self::Connection) -> Result<(), Self::Error> { Ok(()) }
|
||||
fn has_broken(&self, conn: &mut Self::Connection) -> bool { true }
|
||||
}
|
||||
|
||||
impl Poolable for Connection {
|
||||
type Manager = Manager;
|
||||
type Error = std::convert::Infallible;
|
||||
|
||||
fn pool(db_name: &str, rocket: &Rocket<Build>) -> PoolResult<Self> {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
#[database]
|
||||
struct A(diesel::SqliteConnection);
|
||||
struct A(Connection);
|
||||
|
||||
#[database(1)]
|
||||
struct B(diesel::SqliteConnection);
|
||||
struct B(Connection);
|
||||
|
||||
#[database(123)]
|
||||
struct C(diesel::SqliteConnection);
|
||||
struct C(Connection);
|
||||
|
||||
#[database("hello" "hi")]
|
||||
struct D(diesel::SqliteConnection);
|
||||
struct D(Connection);
|
||||
|
||||
#[database("test")]
|
||||
enum Foo { }
|
||||
|
||||
#[database("test")]
|
||||
struct Bar(diesel::SqliteConnection, diesel::SqliteConnection);
|
||||
struct Bar(Connection, Connection);
|
||||
|
||||
#[database("test")]
|
||||
union Baz { }
|
||||
|
|
|
|||
|
|
@ -1,3 +1,4 @@
|
|||
#[allow(unused)]
|
||||
use std::time::Duration;
|
||||
|
||||
use r2d2::ManageConnection;
|
||||
|
|
|
|||
|
|
@ -135,8 +135,9 @@ error[E0308]: mismatched types
|
|||
--> tests/ui-fail-stable/async-entry.rs:24:21
|
||||
|
|
||||
24 | async fn main() {
|
||||
| ^ expected `()` because of default return type
|
||||
| _____________________|
|
||||
| ^
|
||||
| |
|
||||
| _____________________expected `()` because of default return type
|
||||
| |
|
||||
25 | | rocket::build()
|
||||
26 | | }
|
||||
|
|
|
|||
|
|
@ -7,8 +7,8 @@ publish = false
|
|||
|
||||
[dependencies]
|
||||
rocket = { path = "../../core/lib", features = ["json"] }
|
||||
diesel = { version = "2.0.0", features = ["sqlite", "r2d2"] }
|
||||
diesel_migrations = "2.0.0"
|
||||
diesel = "2"
|
||||
diesel_migrations = "2"
|
||||
|
||||
[dependencies.sqlx]
|
||||
version = "0.6.0"
|
||||
|
|
@ -17,7 +17,7 @@ features = ["macros", "offline", "migrate"]
|
|||
|
||||
[dependencies.rocket_db_pools]
|
||||
path = "../../contrib/db_pools/lib/"
|
||||
features = ["sqlx_sqlite"]
|
||||
features = ["sqlx_sqlite", "diesel_mysql"]
|
||||
|
||||
[dependencies.rocket_sync_db_pools]
|
||||
path = "../../contrib/sync_db_pools/lib/"
|
||||
|
|
|
|||
|
|
@ -7,3 +7,6 @@ url = "db/sqlx/db.sqlite"
|
|||
[default.databases.diesel]
|
||||
url = "db/diesel/db.sqlite"
|
||||
timeout = 10
|
||||
|
||||
[default.databases.diesel_mysql]
|
||||
url = "mysql://user:password@127.0.0.1/database"
|
||||
|
|
|
|||
|
|
@ -0,0 +1 @@
|
|||
DROP TABLE posts;
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
CREATE TABLE posts (
|
||||
id INTEGER AUTO_INCREMENT PRIMARY KEY,
|
||||
title VARCHAR(255) NOT NULL,
|
||||
text TEXT NOT NULL,
|
||||
published BOOLEAN NOT NULL DEFAULT FALSE
|
||||
);
|
||||
|
|
@ -0,0 +1,97 @@
|
|||
use rocket::fairing::AdHoc;
|
||||
use rocket::response::{Debug, status::Created};
|
||||
use rocket::serde::{Serialize, Deserialize, json::Json};
|
||||
|
||||
use rocket_db_pools::{Database, Connection};
|
||||
use rocket_db_pools::diesel::{MysqlPool, prelude::*};
|
||||
|
||||
type Result<T, E = Debug<diesel::result::Error>> = std::result::Result<T, E>;
|
||||
|
||||
#[derive(Database)]
|
||||
#[database("diesel_mysql")]
|
||||
struct Db(MysqlPool);
|
||||
|
||||
#[derive(Debug, Clone, Deserialize, Serialize, Queryable, Insertable)]
|
||||
#[serde(crate = "rocket::serde")]
|
||||
#[diesel(table_name = posts)]
|
||||
struct Post {
|
||||
#[serde(skip_deserializing)]
|
||||
id: Option<i64>,
|
||||
title: String,
|
||||
text: String,
|
||||
#[serde(skip_deserializing)]
|
||||
published: bool,
|
||||
}
|
||||
|
||||
diesel::table! {
|
||||
posts (id) {
|
||||
id -> Nullable<BigInt>,
|
||||
title -> Text,
|
||||
text -> Text,
|
||||
published -> Bool,
|
||||
}
|
||||
}
|
||||
|
||||
#[post("/", data = "<post>")]
|
||||
async fn create(mut db: Connection<Db>, mut post: Json<Post>) -> Result<Created<Json<Post>>> {
|
||||
diesel::sql_function!(fn last_insert_id() -> BigInt);
|
||||
|
||||
let post = db.transaction(|mut conn| Box::pin(async move {
|
||||
diesel::insert_into(posts::table)
|
||||
.values(&*post)
|
||||
.execute(&mut conn)
|
||||
.await?;
|
||||
|
||||
post.id = Some(posts::table
|
||||
.select(last_insert_id())
|
||||
.first(&mut conn)
|
||||
.await?);
|
||||
|
||||
Ok::<_, diesel::result::Error>(post)
|
||||
})).await?;
|
||||
|
||||
Ok(Created::new("/").body(post))
|
||||
}
|
||||
|
||||
#[get("/")]
|
||||
async fn list(mut db: Connection<Db>) -> Result<Json<Vec<Option<i64>>>> {
|
||||
let ids = posts::table
|
||||
.select(posts::id)
|
||||
.load(&mut db)
|
||||
.await?;
|
||||
|
||||
Ok(Json(ids))
|
||||
}
|
||||
|
||||
#[get("/<id>")]
|
||||
async fn read(mut db: Connection<Db>, id: i64) -> Option<Json<Post>> {
|
||||
posts::table
|
||||
.filter(posts::id.eq(id))
|
||||
.first(&mut db)
|
||||
.await
|
||||
.map(Json)
|
||||
.ok()
|
||||
}
|
||||
|
||||
#[delete("/<id>")]
|
||||
async fn delete(mut db: Connection<Db>, id: i64) -> Result<Option<()>> {
|
||||
let affected = diesel::delete(posts::table)
|
||||
.filter(posts::id.eq(id))
|
||||
.execute(&mut db)
|
||||
.await?;
|
||||
|
||||
Ok((affected == 1).then(|| ()))
|
||||
}
|
||||
|
||||
#[delete("/")]
|
||||
async fn destroy(mut db: Connection<Db>) -> Result<()> {
|
||||
diesel::delete(posts::table).execute(&mut db).await?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn stage() -> AdHoc {
|
||||
AdHoc::on_ignite("Diesel SQLite Stage", |rocket| async {
|
||||
rocket.attach(Db::init())
|
||||
.mount("/diesel-async/", routes![list, read, create, delete, destroy])
|
||||
})
|
||||
}
|
||||
|
|
@ -3,9 +3,7 @@ use rocket::fairing::AdHoc;
|
|||
use rocket::response::{Debug, status::Created};
|
||||
use rocket::serde::{Serialize, Deserialize, json::Json};
|
||||
|
||||
use rocket_sync_db_pools::diesel;
|
||||
|
||||
use self::diesel::prelude::*;
|
||||
use diesel::prelude::*;
|
||||
|
||||
#[database("diesel")]
|
||||
struct Db(diesel::SqliteConnection);
|
||||
|
|
|
|||
|
|
@ -5,12 +5,22 @@
|
|||
|
||||
mod sqlx;
|
||||
mod diesel_sqlite;
|
||||
mod diesel_mysql;
|
||||
mod rusqlite;
|
||||
|
||||
use rocket::response::Redirect;
|
||||
|
||||
#[get("/")]
|
||||
fn index() -> Redirect {
|
||||
Redirect::to(uri!("/sqlx", sqlx::list()))
|
||||
}
|
||||
|
||||
#[launch]
|
||||
fn rocket() -> _ {
|
||||
rocket::build()
|
||||
.mount("/", routes![index])
|
||||
.attach(sqlx::stage())
|
||||
.attach(rusqlite::stage())
|
||||
.attach(diesel_sqlite::stage())
|
||||
.attach(diesel_mysql::stage())
|
||||
}
|
||||
|
|
|
|||
|
|
@ -82,6 +82,8 @@ function test_contrib() {
|
|||
sqlx_sqlite
|
||||
sqlx_mssql
|
||||
mongodb
|
||||
diesel_mysql
|
||||
diesel_postgres
|
||||
)
|
||||
|
||||
SYNC_DB_POOLS_FEATURES=(
|
||||
|
|
|
|||
Loading…
Reference in New Issue