leveldbstore

package

v1.1.0 Latest Latest Go to latest Published: Jul 30, 2019 License: Apache-2.0 Imports: 6 Imported by: 1

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const BITSPERKEY = 10

used to compute the size of bloom filter bits array . too small will lead to high false positive rate.

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type LevelDBStore struct {
	// contains filtered or unexported fields
}

func NewLevelDBStore(file string) (*LevelDBStore, error)

func (self *LevelDBStore) Close() error

Close leveldb

func (self *LevelDBStore) Delete(key []byte) error

Delete the the in leveldb

func (self *LevelDBStore) Get(key []byte) ([]byte, error)

Get the value of a key from leveldb

func (self *LevelDBStore) Has(key []byte) (bool, error)

Has return whether the key is exist in leveldb

func (self *LevelDBStore) NewBatch() dbstore.Batch

NewBatch create db batch

func (self *LevelDBStore) Put(key []byte, value []byte) error

Put a key-value pair to leveldb