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leveldb

package

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Versions in this module

v1

v1.1.0

May 31, 2022

v1.0.2

May 31, 2022

Changes in this version

type Batch

+ func MakeBatch(n int) *Batch

type DBStats

+ Level0Comp uint32

+ MemComp uint32

+ NonLevel0Comp uint32

+ SeekComp uint32

v1.0.1

Mar 21, 2022

Changes in this version

+ var ErrClosed = errors.New("leveldb: closed")

+ var ErrIterReleased = errors.New("leveldb: iterator released")

+ var ErrNotFound = errors.ErrNotFound

+ var ErrReadOnly = errors.New("leveldb: read-only mode")

+ var ErrSnapshotReleased = errors.New("leveldb: snapshot released")

+ type Batch struct

+ func (b *Batch) Delete(key []byte)

+ func (b *Batch) Dump() []byte

+ func (b *Batch) Len() int

+ func (b *Batch) Load(data []byte) error

+ func (b *Batch) Put(key, value []byte)

+ func (b *Batch) Replay(r BatchReplay) error

+ func (b *Batch) Reset()

+ type BatchReplay interface

+ Delete func(key []byte)

+ Put func(key, value []byte)

+ type DB struct

+ func Open(stor storage.Storage, o *opt.Options) (db *DB, err error)

+ func OpenFile(path string, o *opt.Options) (db *DB, err error)

+ func Recover(stor storage.Storage, o *opt.Options) (db *DB, err error)

+ func RecoverFile(path string, o *opt.Options) (db *DB, err error)

+ func (db *DB) Close() error

+ func (db *DB) CompactRange(r util.Range) error

+ func (db *DB) Delete(key []byte, wo *opt.WriteOptions) error

+ func (db *DB) Get(key []byte, ro *opt.ReadOptions) (value []byte, err error)

+ func (db *DB) GetProperty(name string) (value string, err error)

+ func (db *DB) GetSnapshot() (*Snapshot, error)

+ func (db *DB) Has(key []byte, ro *opt.ReadOptions) (ret bool, err error)

+ func (db *DB) NewIterator(slice *util.Range, ro *opt.ReadOptions) iterator.Iterator

+ func (db *DB) OpenTransaction() (*Transaction, error)

+ func (db *DB) Put(key, value []byte, wo *opt.WriteOptions) error

+ func (db *DB) SetReadOnly() error

+ func (db *DB) SizeOf(ranges []util.Range) (Sizes, error)

+ func (db *DB) Stats(s *DBStats) error

+ func (db *DB) Write(batch *Batch, wo *opt.WriteOptions) error

+ type DBStats struct

+ AliveIterators int32

+ AliveSnapshots int32

+ BlockCacheSize int

+ IORead uint64

+ IOWrite uint64

+ LevelDurations []time.Duration

+ LevelRead []int64

+ LevelSizes []int64

+ LevelTablesCounts []int

+ LevelWrite []int64

+ OpenedTablesCount int

+ WriteDelayCount int32

+ WriteDelayDuration time.Duration

+ WritePaused bool

+ type ErrBatchCorrupted struct

+ Reason string

+ func (e *ErrBatchCorrupted) Error() string

+ type ErrInternalKeyCorrupted struct

+ Ikey []byte

+ Reason string

+ func (e *ErrInternalKeyCorrupted) Error() string

+ type ErrManifestCorrupted struct

+ Field string

+ Reason string

+ func (e *ErrManifestCorrupted) Error() string

+ type Reader interface

+ Get func(key []byte, ro *opt.ReadOptions) (value []byte, err error)

+ NewIterator func(slice *util.Range, ro *opt.ReadOptions) iterator.Iterator

+ type Sizes []int64

+ func (sizes Sizes) Sum() int64

+ type Snapshot struct

+ func (snap *Snapshot) Get(key []byte, ro *opt.ReadOptions) (value []byte, err error)

+ func (snap *Snapshot) Has(key []byte, ro *opt.ReadOptions) (ret bool, err error)

+ func (snap *Snapshot) NewIterator(slice *util.Range, ro *opt.ReadOptions) iterator.Iterator

+ func (snap *Snapshot) Release()

+ func (snap *Snapshot) String() string

+ type Transaction struct

+ func (tr *Transaction) Commit() error

+ func (tr *Transaction) Delete(key []byte, wo *opt.WriteOptions) error

+ func (tr *Transaction) Discard()

+ func (tr *Transaction) Get(key []byte, ro *opt.ReadOptions) ([]byte, error)

+ func (tr *Transaction) Has(key []byte, ro *opt.ReadOptions) (bool, error)

+ func (tr *Transaction) NewIterator(slice *util.Range, ro *opt.ReadOptions) iterator.Iterator

+ func (tr *Transaction) Put(key, value []byte, wo *opt.WriteOptions) error

+ func (tr *Transaction) Write(b *Batch, wo *opt.WriteOptions) error