LogicalReplicationMessage

pg_walstream::protocol

Enum LogicalReplicationMessage

pub enum LogicalReplicationMessage {
Show 19 variants    Begin {
        final_lsn: XLogRecPtr,
        timestamp: TimestampTz,
        xid: Xid,
    },
    Commit {
        flags: u8,
        commit_lsn: XLogRecPtr,
        end_lsn: XLogRecPtr,
        timestamp: TimestampTz,
    },
    Relation {
        relation_id: Oid,
        namespace: String,
        relation_name: String,
        replica_identity: u8,
        columns: Vec<ColumnInfo>,
    },
    Insert {
        relation_id: Oid,
        tuple: TupleData,
    },
    Update {
        relation_id: Oid,
        old_tuple: Option<TupleData>,
        new_tuple: TupleData,
        key_type: Option<char>,
    },
    Delete {
        relation_id: Oid,
        old_tuple: TupleData,
        key_type: char,
    },
    Truncate {
        relation_ids: Vec<Oid>,
        flags: u8,
    },
    Type {
        type_id: Oid,
        namespace: String,
        type_name: String,
    },
    Origin {
        origin_lsn: XLogRecPtr,
        origin_name: String,
    },
    Message {
        flags: u8,
        lsn: XLogRecPtr,
        prefix: String,
        content: Vec<u8>,
    },
    StreamStart {
        xid: Xid,
        first_segment: bool,
    },
    StreamStop,
    StreamCommit {
        xid: Xid,
        flags: u8,
        commit_lsn: XLogRecPtr,
        end_lsn: XLogRecPtr,
        timestamp: TimestampTz,
    },
    StreamAbort {
        xid: Xid,
        subtransaction_xid: Xid,
        abort_lsn: Option<XLogRecPtr>,
        abort_timestamp: Option<TimestampTz>,
    },
    BeginPrepare {
        prepare_lsn: XLogRecPtr,
        end_lsn: XLogRecPtr,
        timestamp: TimestampTz,
        xid: Xid,
        gid: String,
    },
    Prepare {
        flags: u8,
        prepare_lsn: XLogRecPtr,
        end_lsn: XLogRecPtr,
        timestamp: TimestampTz,
        xid: Xid,
        gid: String,
    },
    CommitPrepared {
        flags: u8,
        commit_lsn: XLogRecPtr,
        end_lsn: XLogRecPtr,
        timestamp: TimestampTz,
        xid: Xid,
        gid: String,
    },
    RollbackPrepared {
        flags: u8,
        prepare_end_lsn: XLogRecPtr,
        rollback_end_lsn: XLogRecPtr,
        prepare_timestamp: TimestampTz,
        rollback_timestamp: TimestampTz,
        xid: Xid,
        gid: String,
    },
    StreamPrepare {
        flags: u8,
        prepare_lsn: XLogRecPtr,
        end_lsn: XLogRecPtr,
        timestamp: TimestampTz,
        xid: Xid,
        gid: String,
    },
}

Expand description

Unified logical replication message enum

Variants§

Begin

Begin transaction

Fields

§final_lsn: XLogRecPtr

§timestamp: TimestampTz

§xid: Xid

Commit

Commit transaction

Fields

§flags: u8

§commit_lsn: XLogRecPtr

§end_lsn: XLogRecPtr

§timestamp: TimestampTz

Relation

Relation information (table schema)

Fields

§relation_id: Oid

§namespace: String

§relation_name: String

§replica_identity: u8

§columns: Vec<ColumnInfo>

Insert

Insert operation

Fields

§relation_id: Oid

§tuple: TupleData

Update

Update operation

Fields

§relation_id: Oid

§old_tuple: Option<TupleData>

§new_tuple: TupleData

§key_type: Option<char>

Delete

Delete operation

Fields

§relation_id: Oid

§old_tuple: TupleData

§key_type: char

Truncate

Truncate operation

Fields

§relation_ids: Vec<Oid>

§flags: u8

Type

Type information

Fields

§type_id: Oid

§namespace: String

§type_name: String

Origin

Origin information

Fields

§origin_lsn: XLogRecPtr

§origin_name: String

Message

Message (used for keepalive and custom messages)

Fields

§flags: u8

§lsn: XLogRecPtr

§prefix: String

§content: Vec<u8>

StreamStart

Streaming transaction start

Fields

§xid: Xid

§first_segment: bool

StreamStop

Streaming transaction stop

StreamCommit

Streaming transaction commit

Fields

§xid: Xid

§flags: u8

§commit_lsn: XLogRecPtr

§end_lsn: XLogRecPtr

§timestamp: TimestampTz

StreamAbort

Streaming transaction abort In protocol version 4 with parallel streaming, includes abort_lsn and abort_timestamp

Fields

§xid: Xid

§subtransaction_xid: Xid

§abort_lsn: Option<XLogRecPtr>

Abort LSN (only present in protocol v4 with parallel streaming)

§abort_timestamp: Option<TimestampTz>

Abort timestamp (only present in protocol v4 with parallel streaming)

BeginPrepare

Begin prepare message (protocol v3+)

Fields

§prepare_lsn: XLogRecPtr

§end_lsn: XLogRecPtr

§timestamp: TimestampTz

§xid: Xid

§gid: String

Prepare

Prepare message (protocol v3+)

Fields

§flags: u8

§prepare_lsn: XLogRecPtr

§end_lsn: XLogRecPtr

§timestamp: TimestampTz

§xid: Xid

§gid: String

CommitPrepared

Commit prepared message (protocol v3+)

Fields

§flags: u8

§commit_lsn: XLogRecPtr

§end_lsn: XLogRecPtr

§timestamp: TimestampTz

§xid: Xid

§gid: String

RollbackPrepared

Rollback prepared message (protocol v3+)

Fields

§flags: u8

§prepare_end_lsn: XLogRecPtr

§rollback_end_lsn: XLogRecPtr

§prepare_timestamp: TimestampTz

§rollback_timestamp: TimestampTz

§xid: Xid

§gid: String

StreamPrepare

Stream prepare message (protocol v3+)

Fields

§flags: u8

§prepare_lsn: XLogRecPtr

§end_lsn: XLogRecPtr

§timestamp: TimestampTz

§xid: Xid

§gid: String

Trait Implementations§

impl Clone for LogicalReplicationMessage

fn clone(&self) -> LogicalReplicationMessage

Returns a duplicate of the value. Read more

1.0.0 · Source§

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

Performs copy-assignment from source. Read more

impl Debug for LogicalReplicationMessage

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

impl Freeze for LogicalReplicationMessage

impl RefUnwindSafe for LogicalReplicationMessage

impl Send for LogicalReplicationMessage

impl Sync for LogicalReplicationMessage

impl Unpin for LogicalReplicationMessage

impl UnwindSafe for LogicalReplicationMessage

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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> CloneToUninit for T
where T: Clone,

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

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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.

impl<T> WithSubscriber for T

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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Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more