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

A connection to a MySQL database.

Trait Implementations§

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impl<'c> Acquire<'c> for &'c mut MySqlConnection

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impl Connection for MySqlConnection

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type Database = MySql

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type Options = MySqlConnectOptions

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fn close(self) -> BoxFuture<'static, Result<(), Error>>

Explicitly close this database connection. Read more
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fn ping(&mut self) -> BoxFuture<'_, Result<(), Error>>

Checks if a connection to the database is still valid.
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fn cached_statements_size(&self) -> usize

The number of statements currently cached in the connection.
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fn clear_cached_statements(&mut self) -> BoxFuture<'_, Result<(), Error>>

Removes all statements from the cache, closing them on the server if needed.
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fn begin( &mut self ) -> BoxFuture<'_, Result<Transaction<'_, Self::Database>, Error>>
where Self: Sized,

Begin a new transaction or establish a savepoint within the active transaction. Read more
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fn shrink_buffers(&mut self)

Restore any buffers in the connection to their default capacity, if possible. Read more
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fn transaction<'a, F, R, E>( &'a mut self, callback: F ) -> Pin<Box<dyn Future<Output = Result<R, E>> + Send + 'a>>
where F: for<'c> FnOnce(&'c mut Transaction<'_, Self::Database>) -> Pin<Box<dyn Future<Output = Result<R, E>> + Send + 'c>> + 'a + for<'c> Send + for<'c> Sync, Self: Sized, R: Send, E: From<Error> + Send,

Execute the function inside a transaction. Read more
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fn connect( url: &str ) -> Pin<Box<dyn Future<Output = Result<Self, Error>> + Send>>
where Self: Sized,

Establish a new database connection. Read more
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fn connect_with( options: &Self::Options ) -> Pin<Box<dyn Future<Output = Result<Self, Error>> + Send + '_>>
where Self: Sized,

Establish a new database connection with the provided options.
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impl Debug for MySqlConnection

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<'c> Executor<'c> for &'c mut MySqlConnection

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type Database = MySql

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fn fetch_many<'e, 'q: 'e, E>( self, query: E ) -> BoxStream<'e, Result<Either<MySqlQueryResult, MySqlRow>, Error>>
where E: Execute<'q, Self::Database> + 'q, 'c: 'e,

Execute multiple queries and return the generated results as a stream from each query, in a stream.
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fn fetch_optional<'e, 'q: 'e, E>( self, query: E ) -> BoxFuture<'e, Result<Option<MySqlRow>, Error>>
where E: Execute<'q, Self::Database> + 'q, 'c: 'e,

Execute the query and returns at most one row.
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fn prepare_with<'e, 'q: 'e>( self, sql: &'q str, _parameters: &'e [MySqlTypeInfo] ) -> BoxFuture<'e, Result<MySqlStatement<'q>, Error>>
where 'c: 'e,

Prepare the SQL query, with parameter type information, to inspect the type information about its parameters and results. Read more
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fn execute<'e, 'q, E>( self, query: E ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as Database>::QueryResult, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return the total number of rows affected.
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fn execute_many<'e, 'q, E>( self, query: E ) -> Pin<Box<dyn Stream<Item = Result<<Self::Database as Database>::QueryResult, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute multiple queries and return the rows affected from each query, in a stream.
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fn fetch<'e, 'q, E>( self, query: E ) -> Pin<Box<dyn Stream<Item = Result<<Self::Database as Database>::Row, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return the generated results as a stream.
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fn fetch_all<'e, 'q, E>( self, query: E ) -> Pin<Box<dyn Future<Output = Result<Vec<<Self::Database as Database>::Row>, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return all the generated results, collected into a Vec.
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fn fetch_one<'e, 'q, E>( self, query: E ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as Database>::Row, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and returns exactly one row.
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fn prepare<'e, 'q>( self, query: &'q str ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as HasStatement<'q>>::Statement, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e,

Prepare the SQL query to inspect the type information of its parameters and results. Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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Calls U::from(self).

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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, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

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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

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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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>,

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