Struct block_tools::db::use_diesel::r2d2::PooledConnection [−][src]
A smart pointer wrapping a connection.
Implementations
impl<M> PooledConnection<M> where
M: ManageConnection,
[src]
M: ManageConnection,
pub fn extensions(this: &PooledConnection<M>) -> &Extensions
[src]
Returns a shared reference to the extensions associated with this connection.
pub fn extensions_mut(this: &mut PooledConnection<M>) -> &mut Extensions
[src]
Returns a mutable reference to the extensions associated with this connection.
Trait Implementations
impl<C> Connection for PooledConnection<ConnectionManager<C>> where
C: Connection<TransactionManager = AnsiTransactionManager> + Send + 'static,
<C as Connection>::Backend: UsesAnsiSavepointSyntax,
[src]
C: Connection<TransactionManager = AnsiTransactionManager> + Send + 'static,
<C as Connection>::Backend: UsesAnsiSavepointSyntax,
type Backend = <C as Connection>::Backend
The backend this type connects to
type TransactionManager = <C as Connection>::TransactionManager
pub fn establish(
&str
) -> Result<PooledConnection<ConnectionManager<C>>, ConnectionError>
[src]
&str
) -> Result<PooledConnection<ConnectionManager<C>>, ConnectionError>
pub fn execute(&self, query: &str) -> Result<usize, Error>
[src]
pub fn query_by_index<T, U>(&self, source: T) -> Result<Vec<U, Global>, Error> where
T: AsQuery,
U: Queryable<<T as AsQuery>::SqlType, <PooledConnection<ConnectionManager<C>> as Connection>::Backend>,
<T as AsQuery>::Query: QueryFragment<<PooledConnection<ConnectionManager<C>> as Connection>::Backend>,
<T as AsQuery>::Query: QueryId,
<PooledConnection<ConnectionManager<C>> as Connection>::Backend: HasSqlType<<T as AsQuery>::SqlType>,
[src]
T: AsQuery,
U: Queryable<<T as AsQuery>::SqlType, <PooledConnection<ConnectionManager<C>> as Connection>::Backend>,
<T as AsQuery>::Query: QueryFragment<<PooledConnection<ConnectionManager<C>> as Connection>::Backend>,
<T as AsQuery>::Query: QueryId,
<PooledConnection<ConnectionManager<C>> as Connection>::Backend: HasSqlType<<T as AsQuery>::SqlType>,
pub fn query_by_name<T, U>(&self, source: &T) -> Result<Vec<U, Global>, Error> where
T: QueryFragment<<PooledConnection<ConnectionManager<C>> as Connection>::Backend> + QueryId,
U: QueryableByName<<PooledConnection<ConnectionManager<C>> as Connection>::Backend>,
[src]
T: QueryFragment<<PooledConnection<ConnectionManager<C>> as Connection>::Backend> + QueryId,
U: QueryableByName<<PooledConnection<ConnectionManager<C>> as Connection>::Backend>,
pub fn execute_returning_count<T>(&self, source: &T) -> Result<usize, Error> where
T: QueryFragment<<PooledConnection<ConnectionManager<C>> as Connection>::Backend> + QueryId,
[src]
T: QueryFragment<<PooledConnection<ConnectionManager<C>> as Connection>::Backend> + QueryId,
pub fn transaction_manager(
&self
) -> &<PooledConnection<ConnectionManager<C>> as Connection>::TransactionManager
[src]
&self
) -> &<PooledConnection<ConnectionManager<C>> as Connection>::TransactionManager
pub fn transaction<T, E, F>(&self, f: F) -> Result<T, E> where
F: FnOnce() -> Result<T, E>,
E: From<Error>,
[src]
F: FnOnce() -> Result<T, E>,
E: From<Error>,
pub fn begin_test_transaction(&self) -> Result<(), Error>
[src]
pub fn test_transaction<T, E, F>(&self, f: F) -> T where
F: FnOnce() -> Result<T, E>,
E: Debug,
[src]
F: FnOnce() -> Result<T, E>,
E: Debug,
impl<M> Debug for PooledConnection<M> where
M: ManageConnection,
<M as ManageConnection>::Connection: Debug,
[src]
M: ManageConnection,
<M as ManageConnection>::Connection: Debug,
impl<M> Deref for PooledConnection<M> where
M: ManageConnection,
[src]
M: ManageConnection,
type Target = <M as ManageConnection>::Connection
The resulting type after dereferencing.
pub fn deref(&self) -> &<M as ManageConnection>::Connection
[src]
impl<M> DerefMut for PooledConnection<M> where
M: ManageConnection,
[src]
M: ManageConnection,
pub fn deref_mut(&mut self) -> &mut <M as ManageConnection>::Connection
[src]
impl<M> Drop for PooledConnection<M> where
M: ManageConnection,
[src]
M: ManageConnection,
impl<T> SimpleConnection for PooledConnection<ConnectionManager<T>> where
T: Connection + Send + 'static,
[src]
T: Connection + Send + 'static,
Auto Trait Implementations
impl<M> !RefUnwindSafe for PooledConnection<M>
[src]
impl<M> Send for PooledConnection<M>
[src]
impl<M> Sync for PooledConnection<M> where
<M as ManageConnection>::Connection: Sync,
[src]
<M as ManageConnection>::Connection: Sync,
impl<M> Unpin for PooledConnection<M> where
<M as ManageConnection>::Connection: Unpin,
[src]
<M as ManageConnection>::Connection: Unpin,
impl<M> !UnwindSafe for PooledConnection<M>
[src]
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
[src]
T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
[src]
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
[src]
T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
[src]
impl<T> From<T> for T
[src]
impl<T, U> Into<U> for T where
U: From<T>,
[src]
U: From<T>,
impl<T> IntoSql for T
[src]
pub fn into_sql<T>(self) -> Self::Expression where
Self: AsExpression<T>,
[src]
Self: AsExpression<T>,
pub fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expression where
&'a Self: AsExpression<T>,
[src]
&'a Self: AsExpression<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
[src]
U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
[src]
impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
[src]
U: TryFrom<T>,