Struct VersionInfo 

pub struct VersionInfo {
    pub key: Vec<u8>,
    pub batch_sequences: Vec<u64>,
}

Metadata for tracking versions of a specific key or row.

Fields

key: Vec<u8>

The key or row identifier

batch_sequences: Vec<u64>

List of batch sequences that contain versions of this key Sorted by (begin_ts, sequence) in descending order (newest first)

Implementations

impl VersionInfo

pub fn new(key: Vec<u8>) -> Self

Create new version info for a key.

pub fn add_version(&mut self, sequence: u64)

Add a new version (batch sequence) for this key.

Maintains descending order by timestamp.

pub fn get_visible_version( &self, batches: &[VersionedBatch], read_ts: u64, ) -> Option<u64>

Get the latest version visible to the given read timestamp.

Trait Implementations

impl Clone for VersionInfo

fn clone(&self) -> VersionInfo

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for VersionInfo

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

Formats the value using the given formatter.