Struct rocket_db_pools::diesel::AsyncMysqlConnection

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pub struct AsyncMysqlConnection { /* private fields */ }
Expand description

A connection to a MySQL database. Connection URLs should be in the form mysql://[user[:password]@]host/database_name

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impl AsyncMysqlConnection

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pub async fn try_from( conn: Conn, ) -> Result<AsyncMysqlConnection, ConnectionError>

Wrap an existing mysql_async::Conn into a async diesel mysql connection

This function constructs a new AsyncMysqlConnection based on an existing [mysql_async::Conn].

Trait Implementations§

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impl AsyncConnection for AsyncMysqlConnection

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type ExecuteFuture<'conn, 'query> = Pin<Box<dyn Future<Output = Result<usize, Error>> + Send + 'conn>>

The future returned by AsyncConnection::execute
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type LoadFuture<'conn, 'query> = Pin<Box<dyn Future<Output = Result<<AsyncMysqlConnection as AsyncConnection>::Stream<'conn, 'query>, Error>> + Send + 'conn>>

The future returned by AsyncConnection::load
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type Stream<'conn, 'query> = Pin<Box<dyn Stream<Item = Result<<AsyncMysqlConnection as AsyncConnection>::Row<'conn, 'query>, Error>> + Send + 'conn>>

The inner stream returned by AsyncConnection::load
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type Row<'conn, 'query> = MysqlRow

The row type used by the stream returned by AsyncConnection::load
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type Backend = Mysql

The backend this type connects to
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fn establish<'life0, 'async_trait>( database_url: &'life0 str, ) -> Pin<Box<dyn Future<Output = Result<AsyncMysqlConnection, ConnectionError>> + Send + 'async_trait>>
where 'life0: 'async_trait, AsyncMysqlConnection: 'async_trait,

Establishes a new connection to the database Read more
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fn set_instrumentation(&mut self, instrumentation: impl Instrumentation)

Set a specific Instrumentation implementation for this connection
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fn transaction<'a, 'life0, 'async_trait, R, E, F>( &'life0 mut self, callback: F, ) -> Pin<Box<dyn Future<Output = Result<R, E>> + Send + 'async_trait>>
where 'a: 'async_trait, 'life0: 'async_trait, F: for<'r> FnOnce(&'r mut Self) -> Pin<Box<dyn ScopedFuture<'a, 'r, PhantomData<&'r &'a ()>, Output = Result<R, E>> + Send + 'r>> + Send + 'a + 'async_trait, E: From<Error> + Send + 'a + 'async_trait, R: Send + 'a + 'async_trait, Self: 'async_trait,

Executes the given function inside of a database transaction Read more
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fn begin_test_transaction<'life0, 'async_trait>( &'life0 mut self, ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Creates a transaction that will never be committed. This is useful for tests. Panics if called while inside of a transaction or if called with a connection containing a broken transaction
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fn test_transaction<'a, 'async_trait, R, E, F>( &'a mut self, f: F, ) -> Pin<Box<dyn Future<Output = R> + Send + 'async_trait>>
where 'a: 'async_trait, F: for<'r> FnOnce(&'r mut Self) -> Pin<Box<dyn ScopedFuture<'a, 'r, PhantomData<&'r &'a ()>, Output = Result<R, E>> + Send + 'r>> + Send + 'a + 'async_trait, E: Debug + Send + 'a + 'async_trait, R: Send + 'a + 'async_trait, Self: 'a + 'async_trait,

Executes the given function inside a transaction, but does not commit it. Panics if the given function returns an error. Read more
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impl SimpleAsyncConnection for AsyncMysqlConnection

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fn batch_execute<'life0, 'life1, 'async_trait>( &'life0 mut self, query: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, AsyncMysqlConnection: 'async_trait,

Execute multiple SQL statements within the same string. Read more
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impl<'b, Changes, Output> UpdateAndFetchResults<Changes, Output> for AsyncMysqlConnection
where Output: Send, Changes: Copy + Identifiable + Send + AsChangeset<Target = <Changes as HasTable>::Table> + IntoUpdateTarget, <Changes as HasTable>::Table: FindDsl<<Changes as Identifiable>::Id> + Send, <Changes as IntoUpdateTarget>::WhereClause: Send, <Changes as AsChangeset>::Changeset: Send, <Changes as Identifiable>::Id: Send, UpdateStatement<<Changes as HasTable>::Table, <Changes as IntoUpdateTarget>::WhereClause, <Changes as AsChangeset>::Changeset>: ExecuteDsl<AsyncMysqlConnection>, <<Changes as HasTable>::Table as FindDsl<<Changes as Identifiable>::Id>>::Output: LoadQuery<'b, AsyncMysqlConnection, Output> + Send + 'b, <<Changes as HasTable>::Table as Table>::AllColumns: ValidGrouping<()>, <<<Changes as HasTable>::Table as Table>::AllColumns as ValidGrouping<()>>::IsAggregate: MixedAggregates<No, Output = No>, <<Changes as HasTable>::Table as QuerySource>::FromClause: Send,

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fn update_and_fetch<'life0, 'async_trait>( &'life0 mut self, changeset: Changes, ) -> Pin<Box<dyn Future<Output = Result<Output, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Changes: 'async_trait, AsyncMysqlConnection: 'async_trait,

See the traits documentation.

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Executes the given command, returning the number of rows affected. Read more
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fn load<'query, 'conn, U>( self, conn: &'conn mut Conn, ) -> AndThen<Self::LoadFuture<'conn>, TryCollect<Self::Stream<'conn>, Vec<U>>, fn(_: Self::Stream<'conn>) -> TryCollect<Self::Stream<'conn>, Vec<U>>>
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fn get_result<'query, 'conn, U>( self, conn: &'conn mut Conn, ) -> AndThen<Self::LoadFuture<'conn>, Map<StreamFuture<Pin<Box<Self::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<Self::Stream<'conn>>>)) -> Result<U, Error>>, fn(_: Self::Stream<'conn>) -> Map<StreamFuture<Pin<Box<Self::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<Self::Stream<'conn>>>)) -> Result<U, Error>>>
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Runs the command, and returns the affected row. Read more
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fn get_results<'query, 'conn, U>( self, conn: &'conn mut Conn, ) -> AndThen<Self::LoadFuture<'conn>, TryCollect<Self::Stream<'conn>, Vec<U>>, fn(_: Self::Stream<'conn>) -> TryCollect<Self::Stream<'conn>, Vec<U>>>
where U: Send, Conn: AsyncConnection, Self: LoadQuery<'query, Conn, U> + 'query,

Runs the command, returning an Vec with the affected rows. Read more
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fn first<'query, 'conn, U>( self, conn: &'conn mut Conn, ) -> AndThen<<Self::Output as LoadQuery<'query, Conn, U>>::LoadFuture<'conn>, Map<StreamFuture<Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>)) -> Result<U, Error>>, fn(_: <Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>) -> Map<StreamFuture<Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>)) -> Result<U, Error>>>
where U: Send + 'conn, Conn: AsyncConnection, Self: LimitDsl, Self::Output: LoadQuery<'query, Conn, U> + Send + 'query,

Attempts to load a single record. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> Tap for T

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fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more
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fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more
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fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Immutable access to the Borrow<B> of a value. Read more
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fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Mutable access to the BorrowMut<B> of a value. Read more
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fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more
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fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more
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fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Immutable access to the Deref::Target of a value. Read more
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fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Mutable access to the Deref::Target of a value. Read more
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fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.
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fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds.
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fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds.
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fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds.
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fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds.
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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds.
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fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.
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fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds.
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impl<T> TryConv for T

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fn try_conv<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T, U> Upcast<T> for U
where T: UpcastFrom<U>,

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fn upcast(self) -> T

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impl<T, B> UpcastFrom<Counter<T, B>> for T

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fn upcast_from(value: Counter<T, B>) -> T

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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more