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PostgresBackend

transact::state::merkle::sql::backend

Struct PostgresBackend 

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pub struct PostgresBackend { /* private fields */ }
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The Postgres Backend

This struct provides the Backend implementation details for Postgres databases.

Available if the feature “postgres” is enabled.

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impl Backend for PostgresBackend

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type Connection = PostgresConnection

The database connection.
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fn connection(&self) -> Result<Self::Connection, InternalError>

Acquire a database connection. Read more
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impl Clone for PostgresBackend

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fn clone(&self) -> PostgresBackend

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Execute for PostgresBackend

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fn execute<F, T>(&self, f: F) -> Result<T, InternalError>
where F: Fn(&Self::Connection) -> Result<T, InternalError>,

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impl From<Pool<ConnectionManager<PgConnection>>> for PostgresBackend

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fn from(pool: Pool<ConnectionManager<PgConnection>>) -> Self

Converts to this type from the input type.
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impl From<PostgresBackend> for Pool<ConnectionManager<PgConnection>>

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fn from(backend: PostgresBackend) -> Self

Converts to this type from the input type.
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impl MigrationManager for PostgresBackend

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fn run_migrations(&self) -> Result<(), InternalError>

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

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<'a, T> DefaultFeatures<'a> for T
where T: 'a + Send + Sync + Clone,

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fn clone_boxed(&self) -> Box<dyn DefaultFeatures<'a>>

Clone this value, and then immediately put it into a Box behind a trait object of this trait.
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fn self_address_mut(&mut self) -> *mut ()

Returns the address of self. Read more
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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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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current 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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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoSql for T

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fn into_sql<T>(self) -> Self::Expression
where Self: Sized + AsExpression<T>,

Convert self to an expression for Diesel’s query builder. Read more
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fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expression
where &'a Self: AsExpression<T>,

Convert &self to an expression for Diesel’s query builder. Read more
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impl<'a, T> NonSyncFeatures<'a> for T
where T: 'a + Clone,

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fn clone_boxed(&self) -> Box<dyn NonSyncFeatures<'a>>

Clone this value, and then immediately put it into a Box behind a trait object of this trait.
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fn self_address_mut(&mut self) -> *mut ()

Returns the address of self. Read more
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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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

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fn borrow_replacement(ptr: &T) -> &T

Given ptr, which was obtained from a prior call to Self::borrow(), return a value with the same nominal lifetime which is guaranteed to survive mutations to Self. 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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. 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<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