Struct sst::log::LogBuilder

pub struct LogBuilder<W: Write> { /* private fields */ }

A LogBuilder is a non-concurrent log writer.

Implementations

impl LogBuilder<File>

pub fn new<P: AsRef<Path>>( options: LogOptions, file_name: P ) -> Result<Self, Error>

Create a new log builder with the provided options at the prescribed path.

pub fn fsync(&mut self) -> Result<(), Error>

fsync the log builder.

impl<W: Write> LogBuilder<W>

pub fn from_write(options: LogOptions, write: W) -> Result<Self, Error>

Create a new LogBuilder from options and a write.

pub fn flush(&mut self) -> Result<(), Error>

Flush the log to the OS. This does not call fsync.

pub fn append(&mut self, write_batch: &WriteBatch) -> Result<(), Error>

Append a write batch to the log.

Trait Implementations

impl<W: Write> Builder for LogBuilder<W>

type Sealed = Setsum

The type that gets returned from seal.

fn approximate_size(&self) -> usize

The approximate size of the builder.

fn put(&mut self, key: &[u8], timestamp: u64, value: &[u8]) -> Result<(), Error>

Put a key into the builder.

fn del(&mut self, key: &[u8], timestamp: u64) -> Result<(), Error>

Put a tombstone into the builder.

fn seal(self) -> Result<Self::Sealed, Error>

Seal the builder to stop further writes and return the Sealed type.