leveldbstorage

package

v0.0.2-alpha Latest Latest Go to latest Published: May 30, 2023 License: GPL-3.0 Imports: 9 Imported by: 0

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func BatchRemove(st *Storage, r *leveldbutil.Range, limit int) (int, error)

func HashPrefix(b []byte) []byte

func RemoveByPrefix(st *Storage, prefix []byte) error

type PrefixStorage struct {
	sync.RWMutex
	*Storage
	// contains filtered or unexported fields
}

func NewPrefixStorage(st *Storage, prefix []byte) *PrefixStorage

func (st *PrefixStorage) Batch(batch *PrefixStorageBatch, opt *leveldbOpt.WriteOptions) error

func (st *PrefixStorage) Close() error

func (st *PrefixStorage) Delete(key []byte, opt *leveldbOpt.WriteOptions) error

func (st *PrefixStorage) Exists(key []byte) (bool, error)

func (st *PrefixStorage) Get(key []byte) ([]byte, bool, error)

func (st *PrefixStorage) Iter(
	r *leveldbutil.Range,
	callback func([]byte, []byte) (bool, error),
	sort bool,
) error

func (st *PrefixStorage) NewBatch() *PrefixStorageBatch

func (st *PrefixStorage) Prefix() []byte

func (st *PrefixStorage) Put(key, b []byte, opt *leveldbOpt.WriteOptions) error

func (st *PrefixStorage) RawStorage() *Storage

func (st *PrefixStorage) Remove() error

type PrefixStorageBatch struct {
	*leveldb.Batch
	// contains filtered or unexported fields
}

func (b *PrefixStorageBatch) Delete(key []byte)

func (b *PrefixStorageBatch) Put(key, i []byte)

type Storage struct {
	sync.Mutex
	// contains filtered or unexported fields
}

func NewStorage(str leveldbStorage.Storage, opt *leveldbOpt.Options) (*Storage, error)

func (st *Storage) Batch(batch *leveldb.Batch, wo *leveldbOpt.WriteOptions) error

func (st *Storage) Clean() error

func (st *Storage) Close() error

func (st *Storage) DB() *leveldb.DB

func (st *Storage) Delete(k []byte, opt *leveldbOpt.WriteOptions) error

func (st *Storage) Exists(key []byte) (bool, error)

func (st *Storage) Get(key []byte) ([]byte, bool, error)

func (st *Storage) Iter(
	r *leveldbutil.Range,
	callback func(key []byte, raw []byte) (bool, error),
	sort bool,
) error

func (st *Storage) Put(k, b []byte, opt *leveldbOpt.WriteOptions) error