Struct DeltaLog 

pub struct DeltaLog {
    pub inserts: Vec<(VectorId, Vec<f32>)>,
    pub deletes: Vec<VectorId>,
    pub base_snapshot_time: u64,
    pub sequence_number: u64,
}

Delta log for tracking changes between index snapshots

Fields

inserts: Vec<(VectorId, Vec<f32>)>

Inserted vectors since last snapshot

deletes: Vec<VectorId>

Deleted vector IDs since last snapshot

base_snapshot_time: u64

Timestamp of the base snapshot

sequence_number: u64

Current log sequence number

Implementations

impl DeltaLog

pub fn new(base_snapshot_time: u64) -> Self

Create a new delta log

pub fn record_insert(&mut self, id: VectorId, vector: Vec<f32>)

Record an insert

pub fn record_delete(&mut self, id: VectorId)

Record a delete

pub fn should_compact(&self, threshold: usize) -> bool

Check if log should be compacted

pub fn clear(&mut self, new_base_time: u64)

Clear the log after snapshot

pub fn len(&self) -> usize

Get total operations in log

pub fn is_empty(&self) -> bool

Check if log is empty

Trait Implementations

impl Clone for DeltaLog

fn clone(&self) -> DeltaLog

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DeltaLog

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

Formats the value using the given formatter.

impl Default for DeltaLog

fn default() -> DeltaLog

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for DeltaLog

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for DeltaLog

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

where __S: Serializer,

Serialize this value into the given Serde serializer.