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BackendReplication

Enum BackendReplication 

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pub enum BackendReplication {
    XLogData {
        wal_start: u64,
        wal_end: u64,
        server_time: i64,
        data: Bytes,
    },
    PrimaryKeepalive {
        wal_end: u64,
        server_time: i64,
        reply_requested: bool,
    },
    Unknown {
        tag: u8,
        body: Bytes,
    },
}
Expand description

A typed payload sent by a walsender inside backend CopyData.

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XLogData

A range of write-ahead log data.

Fields

§wal_start: u64

WAL position of the first byte in data.

§wal_end: u64

Current end of WAL on the server.

§server_time: i64

Server clock as microseconds since 2000-01-01 UTC.

§data: Bytes

WAL bytes.

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PrimaryKeepalive

A primary keepalive message.

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§wal_end: u64

Current end of WAL on the server.

§server_time: i64

Server clock as microseconds since 2000-01-01 UTC.

§reply_requested: bool

Whether the server requests an immediate status reply.

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Unknown

An extension payload whose tag is not recognised by this crate.

Fields

§tag: u8

Replication sub-message tag.

§body: Bytes

Bytes following the tag.

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impl BackendReplication

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pub fn decode(payload: Bytes) -> Result<Self>

Decodes a backend walsender payload while preserving extension messages.

§Errors

Returns an error for a truncated known message or an invalid Boolean byte.

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pub fn encode(&self) -> Bytes

Encodes this value as a backend replication sub-message.

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impl Clone for BackendReplication

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fn clone(&self) -> BackendReplication

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 Debug for BackendReplication

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Eq for BackendReplication

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impl PartialEq for BackendReplication

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fn eq(&self, other: &BackendReplication) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for BackendReplication

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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> 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<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<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.