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Savepoint

cartel_sqlite

Struct Savepoint 

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pub struct Savepoint<'transaction, 'connection: 'transaction, 'd: 'connection, I: Catalog = Empty> { /* private fields */ }
Expand description

A savepoint capability whose queries cannot outlive the savepoint.

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impl<'transaction, 'connection: 'transaction, 'd: 'connection, I: Catalog> Savepoint<'transaction, 'connection, 'd, I>

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pub fn query(&mut self) -> Query<'_, 'connection, 'd, I>

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pub fn savepoint<'nested>( &'nested mut self, ) -> impl Fiber<'d, Output = Result<Savepoint<'nested, 'connection, 'd, I>, Error>> + use<'nested, 'transaction, 'connection, 'd, I>

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pub fn commit( self, ) -> impl Fiber<'d, Output = Result<(), Error>> + use<'transaction, 'connection, 'd, I>

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pub fn rollback<'rollback>( &'rollback mut self, ) -> impl Fiber<'d, Output = Result<(), Error>> + use<'rollback, 'transaction, 'connection, 'd, I>

Auto Trait Implementations§

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impl<'transaction, 'connection, 'd, I = Empty> !RefUnwindSafe for Savepoint<'transaction, 'connection, 'd, I>

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impl<'transaction, 'connection, 'd, I = Empty> !Send for Savepoint<'transaction, 'connection, 'd, I>

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impl<'transaction, 'connection, 'd, I = Empty> !Sync for Savepoint<'transaction, 'connection, 'd, I>

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impl<'transaction, 'connection, 'd, I = Empty> !UnwindSafe for Savepoint<'transaction, 'connection, 'd, I>

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impl<'transaction, 'connection, 'd, I> Freeze for Savepoint<'transaction, 'connection, 'd, I>
where Lease<Live<'transaction, 'connection, 'd, I>, Open>: Freeze,

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impl<'transaction, 'connection, 'd, I> Unpin for Savepoint<'transaction, 'connection, 'd, I>
where Lease<Live<'transaction, 'connection, 'd, I>, Open>: Unpin,

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impl<'transaction, 'connection, 'd, I> UnsafeUnpin for Savepoint<'transaction, 'connection, 'd, I>
where Lease<Live<'transaction, 'connection, 'd, I>, Open>: UnsafeUnpin,

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<T> Convert<T> for T

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fn into(self) -> 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, 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<'w, 'd, W, P, ID> Sink<'w, 'd, W, ID, Never> for P
where ID: Identity, W: Spec<TerminalFailure = Never> + 'w, P: ?Sized,

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fn fail(&self, _: Id<'d, ID>, cause: Error<'w, W>, _: &mut Token<Identity<'d>>)

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impl<'w, 'd, W, P, ID> Sink<'w, 'd, W, ID, Never> for P
where ID: Identity, W: Spec<OpenFailure = Never> + 'w, P: ?Sized,

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fn fail( &self, _: Completion<'_, 'd, ID>, cause: Error<'w, W>, _: &mut Context<'_, 'd>, )

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

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.