func (db *DB) NewSnapshot() (driver.ISnapshot, error) {
snap := &Snapshot{
db: db,
snap: C.leveldb_create_snapshot(db.db),
readOpts: NewReadOptions(),
iteratorOpts: NewReadOptions(),
}
snap.readOpts.SetSnapshot(snap)
snap.iteratorOpts.SetSnapshot(snap)
snap.iteratorOpts.SetFillCache(false)
return snap, nil
}
func (db *DB) NewSnapshot() *Snapshot {
s := &Snapshot{
db: db,
snap: C.leveldb_create_snapshot(db.db),
readOpts: NewReadOptions(),
iteratorOpts: NewReadOptions(),
}
s.readOpts.SetSnapshot(s)
s.iteratorOpts.SetSnapshot(s)
s.iteratorOpts.SetFillCache(false)
return s
}
// NewSnapshot creates a new snapshot of the database.
//
// The snapshot, when used in a ReadOptions, provides a consistent view of
// state of the database at the the snapshot was created.
//
// To prevent memory leaks and resource strain in the database, the snapshot
// returned must be released with DB.ReleaseSnapshot method on the DB that
// created it.
//
// See the LevelDB documentation for details.
func (db *DB) NewSnapshot() *Snapshot {
return &Snapshot{C.leveldb_create_snapshot(db.Ldb)}
}
// NewSnapshot creates a new snapshot of the database.
//
// The snapshot, when used in a ReadOptions, provides a consistent view of
// state of the database at the the snapshot was created.
//
// To prevent memory leaks and resource strain in the database, the snapshot
// returned must be released with this DB's ReleaseSnapshot() method.
//
// See the LevelDB C++ documentation docs for details.
func (db *DB) NewSnapshot() *C.leveldb_snapshot_t {
return C.leveldb_create_snapshot(db.Ldb)
}