Struct AnyConnection

pub struct AnyConnection { /* private fields */ }

A connection to any SQLx database.

The database driver used is determined by the scheme of the connection url.

postgres://postgres@localhost/test
sqlite://a.sqlite

Implementations

impl AnyConnection

pub fn backend_name(&self) -> &str

Returns the name of the database backend in use (e.g. PostgreSQL, MySQL, SQLite, etc.)

Trait Implementations

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

type Database = Any

type Connection = &'c mut <Any as Database>::Connection

fn acquire(self) -> BoxFuture<'c, Result<Self::Connection, Error>>

fn begin(self) -> BoxFuture<'c, Result<Transaction<'c, Any>, Error>>

impl Connection for AnyConnection

type Database = Any

type Options = AnyConnectOptions

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

Explicitly close this database connection.

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

Checks if a connection to the database is still valid.

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.

fn cached_statements_size(&self) -> usize

The number of statements currently cached in the connection.

fn clear_cached_statements(&mut self) -> BoxFuture<'_, Result<()>>

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

fn shrink_buffers(&mut self)

Restore any buffers in the connection to their default capacity, if possible.

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

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

Execute the function inside a transaction.

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

where Self: Sized,

Establish a new database connection.

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

where Self: Sized,

Establish a new database connection with the provided options.

impl Debug for AnyConnection

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

Formats the value using the given formatter.

impl<'c> Executor<'c> for &'c mut AnyConnection

type Database = Any

fn fetch_many<'e, 'q: 'e, E>( self, query: E, ) -> BoxStream<'e, Result<Either<AnyQueryResult, AnyRow>, Error>>

where E: 'q + Execute<'q, Any>, 'c: 'e,

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

fn fetch_optional<'e, 'q: 'e, E>( self, query: E, ) -> BoxFuture<'e, Result<Option<AnyRow>, Error>>

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

Execute the query and returns at most one row.

fn prepare_with<'e, 'q: 'e>( self, sql: &'q str, parameters: &[AnyTypeInfo], ) -> BoxFuture<'e, Result<AnyStatement<'q>, Error>>

where 'c: 'e,

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

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

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

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

fn execute_many<'e, 'q: 'e, E>( self, query: E, ) -> BoxStream<'e, Result<<Self::Database as Database>::QueryResult, Error>>

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

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

fn fetch<'e, 'q: 'e, E>( self, query: E, ) -> BoxStream<'e, Result<<Self::Database as Database>::Row, Error>>

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

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

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

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

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

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

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

Execute the query and returns exactly one row.

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

where 'c: 'e,

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

impl Migrate for AnyConnection

fn ensure_migrations_table(&mut self) -> BoxFuture<'_, Result<(), MigrateError>>

fn dirty_version(&mut self) -> BoxFuture<'_, Result<Option<i64>, MigrateError>>

fn list_applied_migrations( &mut self, ) -> BoxFuture<'_, Result<Vec<AppliedMigration>, MigrateError>>

fn lock(&mut self) -> BoxFuture<'_, Result<(), MigrateError>>

fn unlock(&mut self) -> BoxFuture<'_, Result<(), MigrateError>>

fn apply<'e: 'm, 'm>( &'e mut self, migration: &'m Migration, ) -> BoxFuture<'m, Result<Duration, MigrateError>>

fn revert<'e: 'm, 'm>( &'e mut self, migration: &'m Migration, ) -> BoxFuture<'m, Result<Duration, MigrateError>>