Struct TruncationMarker 

pub struct TruncationMarker {
    pub checkpoint_hash: String,
}

The first line of a truncated journal: names the checkpoint (by whole-record content address) that accounts for everything the truncation dropped. Written atomically WITH the truncation by OplogJournal::truncate_to; surfaced by OplogJournal::load_with_marker; fences OplogJournal::load.

Fields

checkpoint_hash: String

crate::checkpoint::Checkpoint::checkpoint_hash of the covering checkpoint — fetch it and resume via resume_anchored.

Trait Implementations

impl Clone for TruncationMarker

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TruncationMarker

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for TruncationMarker

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for TruncationMarker

impl PartialEq for TruncationMarker

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for TruncationMarker

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for TruncationMarker