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DescribeResponseInternalMessage

pg_proto::grammar::backend

Enum DescribeResponseInternalMessage

pub enum DescribeResponseInternalMessage {
    ParameterDescription(DescribeResponseParameterDescriptionInternalTransitionMessage),
    RowDescription(DescribeResponseRowDescriptionInternalTransitionMessage),
    NoData(DescribeResponseNoDataInternalTransitionMessage),
    Error(DescribeResponseErrorInternalTransitionMessage),
}

Expand description

Owned role-initiated messages legal in DescribeResponse.

Variants§

ParameterDescription(DescribeResponseParameterDescriptionInternalTransitionMessage)

The Event::ParameterDescription transition.

RowDescription(DescribeResponseRowDescriptionInternalTransitionMessage)

The Event::RowDescription transition.

NoData(DescribeResponseNoDataInternalTransitionMessage)

The Event::NoData transition.

Error(DescribeResponseErrorInternalTransitionMessage)

The Event::Error transition.

Implementations§

impl DescribeResponseInternalMessage

pub const fn event(&self) -> Event

Returns the protocol event represented by this message.

pub const fn as_wire(&self) -> &BackendMessage

Borrows the underlying decoded wire message.

pub fn into_wire(self) -> BackendMessage

Returns the underlying decoded wire message.

Trait Implementations§

impl AsRef<BackendMessage> for DescribeResponseInternalMessage

fn as_ref(&self) -> &BackendMessage

Converts this type into a shared reference of the (usually inferred) input type.

impl From<DescribeResponseInternalMessage> for BackendMessage

fn from(message: DescribeResponseInternalMessage) -> Self

Converts to this type from the input type.

impl TryFrom<BackendMessage> for DescribeResponseInternalMessage

type Error = BackendMessage

The type returned in the event of a conversion error.

fn try_from(message: BackendMessage) -> Result<Self, BackendMessage>

Performs the conversion.

Auto Trait Implementations§

impl !Freeze for DescribeResponseInternalMessage

impl RefUnwindSafe for DescribeResponseInternalMessage

impl Send for DescribeResponseInternalMessage

impl Sync for DescribeResponseInternalMessage

impl Unpin for DescribeResponseInternalMessage

impl UnsafeUnpin for DescribeResponseInternalMessage

impl UnwindSafe for DescribeResponseInternalMessage

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

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

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

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

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

fn into(self) -> U

Calls U::from(self).

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

impl<Handler> MessageMiddlewareExt for Handler

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.

impl<T> Same for T

type Output = T

Should always be Self

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

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

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

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.