Struct Table

pub struct Table<T> { /* private fields */ }

RocksDB column family wrapper.

Implementations

impl<T> Table<T>

where T: ColumnFamily,

pub fn new(db: Arc<DB>) -> Self

Creates a column family wrapper instance.

pub fn cf(&self) -> BoundedCfHandle<'_>

Returns a bounded column family handle.

pub fn get_unbounded_cf(&self) -> UnboundedCfHandle

Returns an unbounded column family handle.

pub fn db(&self) -> &Arc<DB>

Returns an inner rocksdb instance.

pub fn read_config(&self) -> &ReadOptions

Returns an existing read config.

pub fn new_read_config(&self) -> ReadOptions

Creates a new read config with options applied.

pub fn write_config(&self) -> &WriteOptions

Returns an existing write config.

pub fn new_write_config(&self) -> WriteOptions

Creates a new write config with options applied.

pub fn get<K: AsRef<[u8]>>( &self, key: K, ) -> Result<Option<DBPinnableSlice<'_>>, Error>

Gets a value from the DB.

pub fn get_owned<K: AsRef<[u8]>>( &self, key: K, ) -> Result<Option<OwnedPinnableSlice>, Error>

Gets a value from the DB.

pub fn multi_get<K: AsRef<[u8]>>( &self, keys: &[K], ) -> Vec<Result<Option<Vec<u8>>, Error>>

Gets multiple values from the DB.

pub fn batched_multi_get<K: AsRef<[u8]>>( &self, keys: &[K], sorted_input: bool, ) -> Vec<Result<Option<DBPinnableSlice<'_>>, Error>>

Gets multiple values from the DB.

pub fn insert<K, V>(&self, key: K, value: V) -> Result<(), Error>

where K: AsRef<[u8]>, V: AsRef<[u8]>,

Inserts a new value into the DB.

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

Removes a value from the DB.

pub fn contains_key<K: AsRef<[u8]>>(&self, key: K) -> Result<bool, Error>

Checks whether the specified key is present in the DB.

pub fn iterator(&self, mode: IteratorMode<'_>) -> DBIterator<'_>

Creates an iterator with the specified mode and default read options.

pub fn prefix_iterator<P>(&self, prefix: P) -> DBRawIterator<'_>

where P: AsRef<[u8]>,

Creates a prefix iterator with the specified prefix and default read options.

pub fn raw_iterator(&self) -> DBRawIterator<'_>

Creates a raw iterator with default read options.