Struct FjallBackend 

pub struct FjallBackend { /* private fields */ }

Implementations

impl FjallBackend

pub fn open<P: AsRef<Path>>(path: P, durability: DurabilityMode) -> Result<Self>

Errors

Returns an error if the storage fails to open.

Trait Implementations

impl StorageBackend for FjallBackend

fn get(&self, key: &[u8]) -> Result<Option<Vec<u8>>>

Gets a value by key.

fn insert(&self, key: &[u8], value: &[u8]) -> Result<()>

Inserts a key-value pair.

fn remove(&self, key: &[u8]) -> Result<()>

Removes a key.

fn prefix_scan(&self, prefix: &[u8]) -> Result<Vec<(Vec<u8>, Vec<u8>)>>

Scans all keys with the given prefix.

fn prefix_count(&self, prefix: &[u8]) -> Result<usize>

Counts entries matching the given prefix without materializing values.

fn prefix_scan_keys(&self, prefix: &[u8]) -> Result<Vec<Vec<u8>>>

Returns only keys matching the given prefix, without loading values.

fn prefix_scan_batch( &self, prefix: &[u8], batch_size: usize, after_key: Option<&[u8]>, ) -> Result<Vec<(Vec<u8>, Vec<u8>)>>

Scans entries matching prefix in batches, starting after after_key.

fn range_scan( &self, start: &[u8], end: &[u8], ) -> Result<Vec<(Vec<u8>, Vec<u8>)>>

Scans keys in the given range.

fn batch(&self) -> Box<dyn BatchOperations>

Creates a new batch for atomic operations.

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

Flushes pending writes to storage.