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CopyOutExternalProjection

pg_proto::grammar::frontend

Enum CopyOutExternalProjection 

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pub enum CopyOutExternalProjection<Transport, SourceCleanliness> {
    CopyData {
        connection: Conn<Transport, CopyOut, SourceCleanliness>,
        message: CopyOutCopyDataExternalTransitionMessage,
        source_cleanliness: PhantomData<SourceCleanliness>,
    },
    CopyDone {
        connection: Conn<Transport, AwaitingReady, SourceCleanliness>,
        message: CopyOutCopyDoneExternalTransitionMessage,
        source_cleanliness: PhantomData<SourceCleanliness>,
    },
    Error {
        connection: Conn<Transport, Draining, SourceCleanliness>,
        message: CopyOutErrorExternalTransitionMessage,
        source_cleanliness: PhantomData<SourceCleanliness>,
    },
    // some variants omitted
}
Expand description

Typed next-connection projection for CopyOutExternalMessage.

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CopyData

The Event::CopyData transition and its correctly typed next connection.

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§connection: Conn<Transport, CopyOut, SourceCleanliness>

Connection after applying the selected message transition.

§message: CopyOutCopyDataExternalTransitionMessage

Validated message which selected this transition.

§source_cleanliness: PhantomData<SourceCleanliness>

Retains the source cleanliness parameter even when replaced.

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CopyDone

The Event::CopyDone transition and its correctly typed next connection.

Fields

§connection: Conn<Transport, AwaitingReady, SourceCleanliness>

Connection after applying the selected message transition.

§message: CopyOutCopyDoneExternalTransitionMessage

Validated message which selected this transition.

§source_cleanliness: PhantomData<SourceCleanliness>

Retains the source cleanliness parameter even when replaced.

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Error

The Event::Error transition and its correctly typed next connection.

Fields

§connection: Conn<Transport, Draining, SourceCleanliness>

Connection after applying the selected message transition.

§message: CopyOutErrorExternalTransitionMessage

Validated message which selected this transition.

§source_cleanliness: PhantomData<SourceCleanliness>

Retains the source cleanliness parameter even when replaced.

Auto Trait Implementations§

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impl<Transport, SourceCleanliness> !Freeze for CopyOutExternalProjection<Transport, SourceCleanliness>

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impl<Transport, SourceCleanliness> RefUnwindSafe for CopyOutExternalProjection<Transport, SourceCleanliness>
where Transport: RefUnwindSafe, SourceCleanliness: RefUnwindSafe,

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impl<Transport, SourceCleanliness> Send for CopyOutExternalProjection<Transport, SourceCleanliness>
where Transport: Send, SourceCleanliness: Send,

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impl<Transport, SourceCleanliness> Sync for CopyOutExternalProjection<Transport, SourceCleanliness>
where Transport: Sync, SourceCleanliness: Sync,

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impl<Transport, SourceCleanliness> Unpin for CopyOutExternalProjection<Transport, SourceCleanliness>
where Transport: Unpin, SourceCleanliness: Unpin,

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impl<Transport, SourceCleanliness> UnsafeUnpin for CopyOutExternalProjection<Transport, SourceCleanliness>
where Transport: UnsafeUnpin,

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impl<Transport, SourceCleanliness> UnwindSafe for CopyOutExternalProjection<Transport, SourceCleanliness>
where Transport: UnwindSafe, SourceCleanliness: UnwindSafe,

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<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
where T: 'a,

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fn implicit( self, class: Class, constructed: bool, tag: u32, ) -> TaggedParser<'a, Implicit, Self, E>

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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> 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<Handler> MessageMiddlewareExt for Handler

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fn then<Next>(self, next: Next) -> Then<Self, Next>

Runs this value followed by next whenever both implement middleware for the intercepted message and state types.
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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, 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.