Struct MemoryWal 

pub struct MemoryWal { /* private fields */ }

In-memory Write-Ahead Log

Implementations

impl MemoryWal

pub fn create() -> Result<Self>

Create a new in-memory WAL

pub fn open() -> Result<Self>

Open is the same as create for in-memory WAL (no persistence)

pub fn append(&self, record: Record) -> Result<Lsn>

Append a record to the WAL

pub fn flush(&self) -> Result<()>

Flush is a no-op for in-memory WAL

pub fn read_all(&self) -> Result<Vec<(Lsn, Record)>>

Read all records from the WAL

pub fn next_lsn(&self) -> Lsn

Get the next LSN that will be assigned

pub fn clear(&self)

Clear all records (useful for testing)

pub fn len(&self) -> usize

Get the number of records in the WAL

pub fn is_empty(&self) -> bool

Check if the WAL is empty

Trait Implementations

impl Clone for MemoryWal

fn clone(&self) -> MemoryWal

Returns a duplicate of the value.

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

Performs copy-assignment from source.