Struct WalFile 

pub struct WalFile { /* private fields */ }

Implementations

impl WalFile

pub fn open(path: &Path) -> Result<Self, MemoryError>

Open or create a WAL file. If it exists, read the header and entry count.

pub fn append_save(&mut self, entry: &WalEntry) -> Result<(), MemoryError>

Append a save entry to the WAL.

pub fn append_tombstone( &mut self, index: usize, timestamp: f64, ) -> Result<(), MemoryError>

Append a tombstone entry (deletion).

pub fn read_entries(path: &Path) -> Result<Vec<WalEntry>, MemoryError>

Read all entries from the WAL (for replay on open).

pub fn truncate(&mut self) -> Result<(), MemoryError>

Truncate the WAL (after merge into .h5).

pub fn pending_count(&self) -> u32

Number of pending entries.

pub fn is_empty(&self) -> bool

Is the WAL empty?

Trait Implementations

impl Debug for WalFile

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

Formats the value using the given formatter.