leveldb

package

v0.0.0-...-da200cc Latest Latest Go to latest Published: Jul 23, 2019 License: Apache-2.0 Imports: 11 Imported by: 0

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leveldb is a db engine based on leveldb

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type LevelDB struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

LevelDB - represents a leveldb db implementation

func OpenLevelDB(path string) (*LevelDB, error)

OpenLevelDB - Opens the specified path

func (ldb *LevelDB) Close()

Close ...

func (ldb *LevelDB) Del(keys []string) error

Del - removes key(s) from the store

func (ldb *LevelDB) GC() error

GC - runs the garbage collector

func (ldb *LevelDB) Get(k string) (string, error)

Get - fetches the value of the specified k

func (ldb *LevelDB) Incr(k string, by int64) (int64, error)

Incr - increment the key by the specified value

func (ldb *LevelDB) MGet(keys []string) (data []string)

MGet - fetch multiple values of the specified keys

func (ldb *LevelDB) MSet(data map[string]string) error

MSet - sets multiple key-value pairs

func (ldb *LevelDB) Scan(scannerOpt kvstore.ScannerOptions) error

Scan - iterate over the whole store using the handler function

func (ldb *LevelDB) Set(k, v string, ttl int) error

Set - sets a key with the specified value and optional ttl

func (ldb *LevelDB) Size() int64

Size - returns the size of the database in bytes

func (ldb *LevelDB) TTL(key string) int64

TTL - returns the time to live of the specified key's value