Struct RocksDb

pub struct RocksDb<Description> { /* private fields */ }

Implementations

impl<Description> RocksDb<Description>

where Description: DatabaseDescription,

pub fn default_open_temp(capacity: Option<usize>) -> DatabaseResult<Self>

pub fn default_open<P: AsRef<Path>>( path: P, capacity: Option<usize>, ) -> DatabaseResult<Self>

pub fn prune(path: &Path) -> DatabaseResult<()>

pub fn open<P: AsRef<Path>>( path: P, columns: Vec<Description::Column>, capacity: Option<usize>, ) -> DatabaseResult<Self>

pub fn open_read_only<P: AsRef<Path>>( path: P, columns: Vec<Description::Column>, capacity: Option<usize>, error_if_log_file_exist: bool, ) -> DatabaseResult<Self>

pub fn open_secondary<PrimaryPath, SecondaryPath>( path: PrimaryPath, secondary_path: SecondaryPath, columns: Vec<Description::Column>, capacity: Option<usize>, ) -> DatabaseResult<Self>

where PrimaryPath: AsRef<Path>, SecondaryPath: AsRef<Path>,

pub fn open_with<F, P>( opener: F, path: P, columns: Vec<Description::Column>, capacity: Option<usize>, ) -> DatabaseResult<Self>

where F: Fn(&Options, PathBuf, Vec<ColumnFamilyDescriptor>) -> Result<DBWithThreadMode<MultiThreaded>, Error>, P: AsRef<Path>,

pub fn create_snapshot(&self) -> Self

pub fn create_snapshot_generic<TargetDescription>( &self, ) -> RocksDb<TargetDescription>

pub fn multi_get<K, I>( &self, column: u32, iterator: I, ) -> DatabaseResult<Vec<Option<Vec<u8>>>>

where I: Iterator<Item = K>, K: AsRef<[u8]>,

impl<Description> RocksDb<Description>

where Description: DatabaseDescription,

pub fn commit_changes(&self, changes: &Changes) -> StorageResult<()>

Trait Implementations

impl<Description> Debug for RocksDb<Description>

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

Formats the value using the given formatter.

impl<Description> Drop for RocksDb<Description>

fn drop(&mut self)

Executes the destructor for this type.

impl<Description> IterableStore for RocksDb<Description>

where Description: DatabaseDescription,

fn iter_store( &self, column: Self::Column, prefix: Option<&[u8]>, start: Option<&[u8]>, direction: IterDirection, ) -> BoxedIter<'_, KVItem>

Returns an iterator over the values in the storage.

fn iter_store_keys( &self, column: Self::Column, prefix: Option<&[u8]>, start: Option<&[u8]>, direction: IterDirection, ) -> BoxedIter<'_, KeyItem>

Returns an iterator over keys in the storage.

impl<Description> KeyValueInspect for RocksDb<Description>

where Description: DatabaseDescription,

type Column = <Description as DatabaseDescription>::Column

The type of the column.

fn size_of_value( &self, key: &[u8], column: Self::Column, ) -> StorageResult<Option<usize>>

Returns the size of the value in the storage.

fn get(&self, key: &[u8], column: Self::Column) -> StorageResult<Option<Value>>

Returns the value from the storage.

fn read( &self, key: &[u8], column: Self::Column, buf: &mut [u8], ) -> StorageResult<Option<usize>>

Reads the value from the storage into the buf and returns the number of read bytes.

fn exists(&self, key: &[u8], column: Self::Column) -> Result<bool, Error>

Checks if the value exists in the storage.