Struct Lsn 

pub struct Lsn(pub u64);

LSN (Log Sequence Number) representation

Tuple Fields

0: u64

Implementations

impl Lsn

pub fn new(value: u64) -> Lsn

Create a new LSN from a u64 value

Arguments

• value - 64-bit LSN value (XLogRecPtr)

Example

use pg_walstream::Lsn;

let lsn = Lsn::new(0x16B374D848);
assert_eq!(lsn.value(), 0x16B374D848);

pub fn value(&self) -> u64

Get the raw u64 value

Returns the underlying 64-bit LSN value.

Example

use pg_walstream::Lsn;

let lsn = Lsn::new(12345);
assert_eq!(lsn.value(), 12345);

Trait Implementations

impl Clone for Lsn

fn clone(&self) -> Lsn

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Lsn

impl Debug for Lsn

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Lsn

fn deserialize<__D>( __deserializer: __D, ) -> Result<Lsn, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for Lsn

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

Formats the value using the given formatter.

impl Eq for Lsn

impl From<u64> for Lsn

fn from(value: u64) -> Lsn

Converts to this type from the input type.

impl FromStr for Lsn

Parse LSN from PostgreSQL string format (e.g., “16/B374D848”)

type Err = ReplicationError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Lsn, ReplicationError>

Parses a string s to return a value of this type.

impl Ord for Lsn

fn cmp(&self, other: &Lsn) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

fn clamp_to<R>(self, range: R) -> Self

where Self: Sized, R: ClampBounds<Self>,

🔬This is a nightly-only experimental API. (clamp_to)

Restrict a value to a certain range.

impl PartialEq for Lsn

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for Lsn

fn partial_cmp(&self, other: &Lsn) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Serialize for Lsn

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Lsn