Enum Cursor

pub enum Cursor<'txn, 'db> {
    VolatileCursor(VolatileCursor<'txn, 'db>),
    PersistentCursor(LmdbCursor<'txn, 'db>),
}

Variants

VolatileCursor(VolatileCursor<'txn, 'db>)

PersistentCursor(LmdbCursor<'txn, 'db>)

Implementations

impl<'txn, 'db> Cursor<'txn, 'db>

pub fn first<K, V>(&mut self) -> Option<(K, V)>

where K: FromDatabaseValue, V: FromDatabaseValue,

pub fn first_duplicate<V>(&mut self) -> Option<V>

where V: FromDatabaseValue,

pub fn last<K, V>(&mut self) -> Option<(K, V)>

where K: FromDatabaseValue, V: FromDatabaseValue,

pub fn last_duplicate<V>(&mut self) -> Option<V>

where V: FromDatabaseValue,

pub fn seek_key_value<K, V>(&mut self, key: &K, value: &V) -> bool

where K: AsDatabaseBytes + ?Sized, V: AsDatabaseBytes + ?Sized,

pub fn seek_key_nearest_value<K, V>(&mut self, key: &K, value: &V) -> Option<V>

where K: AsDatabaseBytes + ?Sized, V: AsDatabaseBytes + FromDatabaseValue,

pub fn get_current<K, V>(&mut self) -> Option<(K, V)>

where K: FromDatabaseValue, V: FromDatabaseValue,

pub fn next<K, V>(&mut self) -> Option<(K, V)>

where K: FromDatabaseValue, V: FromDatabaseValue,

pub fn next_duplicate<K, V>(&mut self) -> Option<(K, V)>

where K: FromDatabaseValue, V: FromDatabaseValue,

pub fn next_no_duplicate<K, V>(&mut self) -> Option<(K, V)>

where K: FromDatabaseValue, V: FromDatabaseValue,

pub fn prev<K, V>(&mut self) -> Option<(K, V)>

where K: FromDatabaseValue, V: FromDatabaseValue,

pub fn prev_duplicate<K, V>(&mut self) -> Option<(K, V)>

where K: FromDatabaseValue, V: FromDatabaseValue,

pub fn prev_no_duplicate<K, V>(&mut self) -> Option<(K, V)>

where K: FromDatabaseValue, V: FromDatabaseValue,

pub fn seek_key<K, V>(&mut self, key: &K) -> Option<V>

where K: AsDatabaseBytes + ?Sized, V: FromDatabaseValue,

pub fn seek_key_both<K, V>(&mut self, key: &K) -> Option<(K, V)>

where K: AsDatabaseBytes + FromDatabaseValue, V: FromDatabaseValue,

pub fn seek_range_key<K, V>(&mut self, key: &K) -> Option<(K, V)>

where K: AsDatabaseBytes + FromDatabaseValue, V: FromDatabaseValue,

pub fn count_duplicates(&mut self) -> usize