Struct MySqlConnection

pub struct MySqlConnection { /* private fields */ }

A connection to a MySQL database.

Trait Implementations

impl Connection for MySqlConnection

type Options = MySqlConnectOptions

fn close(self) -> Result<(), Error>

Explicitly close this database connection.

fn ping(&mut self) -> Result<(), Error>

Checks if a connection to the database is still valid.

fn cached_statements_size(&self) -> usize

The number of statements currently cached in the connection.

fn clear_cached_statements(&mut self) -> Result<(), Error>

Removes all statements from the cache, closing them on the server if needed.

fn begin(&mut self) -> Result<Transaction<'_, Self::Database>, Error>

where Self: Sized,

Begin a new transaction or establish a savepoint within the active transaction.

fn transaction<'a, F, R, E>(&'a mut self, callback: F) -> Result<R, E>

where F: for<'c> FnOnce(&'c mut Transaction<'_, Self::Database>) -> Result<R, E> + 'a + for<'c> Send + for<'c> Sync, Self: Sized, R: Send, E: From<Error> + Send,

Execute the function inside a transaction.

fn connect(url: &str) -> Result<Self, Error>

where Self: Sized,

Establish a new database connection.

fn connect_with(options: &Self::Options) -> Result<Self, Error>

where Self: Sized,

Establish a new database connection with the provided options.

impl Debug for MySqlConnection

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

Formats the value using the given formatter.

impl Executor for &mut MySqlConnection

type Database = MySql

fn fetch_many<'q, E>( &mut self, query: E, ) -> ChanStream<Either<<Self::Database as Database>::QueryResult, <Self::Database as Database>::Row>>

where E: Execute<'q, Self::Database> + 'q,

Execute multiple queries and return the generated results as a stream from each query, in a stream.

fn fetch_optional<'q, E>( &mut self, query: E, ) -> Result<Option<<Self::Database as Database>::Row>, Error>

where E: Execute<'q, Self::Database> + 'q,

Execute the query and returns at most one row.

fn prepare_with<'q>( &mut self, sql: &'q str, parameters: &'q [<Self::Database as Database>::TypeInfo], ) -> Result<<Self::Database as HasStatement>::Statement, Error>

Prepare the SQL query, with parameter type information, to inspect the type information about its parameters and results.

fn execute<'q, E>( &mut self, query: E, ) -> Result<<Self::Database as Database>::QueryResult, Error>

where E: 'q + Execute<'q, Self::Database>,

Execute the query and return the total number of rows affected.

fn execute_many<'q, E>( &mut self, query: E, ) -> ChanStream<<Self::Database as Database>::QueryResult>

where E: 'q + Execute<'q, Self::Database>,

Execute multiple queries and return the rows affected from each query, in a stream.

fn fetch<'q, E>( &mut self, query: E, ) -> ChanStream<<Self::Database as Database>::Row>

where E: 'q + Execute<'q, Self::Database>,

Execute the query and return the generated results as a stream.

fn fetch_all<'q, E>( &mut self, query: E, ) -> Result<Vec<<Self::Database as Database>::Row>, Error>

where E: 'q + Execute<'q, Self::Database>,

Execute the query and return all the generated results, collected into a Vec.

fn fetch_one<'q, E>( &mut self, query: E, ) -> Result<<Self::Database as Database>::Row, Error>

where E: 'q + Execute<'q, Self::Database>,

Execute the query and returns exactly one row.

fn prepare<'q>( &mut self, query: &'q str, ) -> Result<<Self::Database as HasStatement>::Statement, Error>

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

impl Executor for MySqlConnection

type Database = MySql

fn fetch_many<'q, E>( &mut self, query: E, ) -> ChanStream<Either<MySqlQueryResult, MySqlRow>>

where E: Execute<'q, Self::Database> + 'q,

Execute multiple queries and return the generated results as a stream from each query, in a stream.

fn fetch_optional<'q, E>(&mut self, query: E) -> Result<Option<MySqlRow>, Error>

where E: Execute<'q, Self::Database> + 'q,

Execute the query and returns at most one row.

fn prepare_with<'q>( &mut self, sql: &'q str, _parameters: &'q [MySqlTypeInfo], ) -> Result<MySqlStatement, Error>

Prepare the SQL query, with parameter type information, to inspect the type information about its parameters and results.

fn execute<'q, E>( &mut self, query: E, ) -> Result<<Self::Database as Database>::QueryResult, Error>

where E: 'q + Execute<'q, Self::Database>,

Execute the query and return the total number of rows affected.

fn execute_many<'q, E>( &mut self, query: E, ) -> ChanStream<<Self::Database as Database>::QueryResult>

where E: 'q + Execute<'q, Self::Database>,

Execute multiple queries and return the rows affected from each query, in a stream.

fn fetch<'q, E>( &mut self, query: E, ) -> ChanStream<<Self::Database as Database>::Row>

where E: 'q + Execute<'q, Self::Database>,

Execute the query and return the generated results as a stream.

fn fetch_all<'q, E>( &mut self, query: E, ) -> Result<Vec<<Self::Database as Database>::Row>, Error>

where E: 'q + Execute<'q, Self::Database>,

Execute the query and return all the generated results, collected into a Vec.

fn fetch_one<'q, E>( &mut self, query: E, ) -> Result<<Self::Database as Database>::Row, Error>

where E: 'q + Execute<'q, Self::Database>,

Execute the query and returns exactly one row.

fn prepare<'q>( &mut self, query: &'q str, ) -> Result<<Self::Database as HasStatement>::Statement, Error>

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

impl<'c> From<&'c mut MySqlConnection> for MaybePoolConnection<'c, MySql>

fn from(v: &'c mut MySqlConnection) -> Self

Converts to this type from the input type.