leveldb

Documentation

Overview

Copyright 2018 The Redix Authors. All rights reserved. Use of this source code is governed by a Apache 2.0 license that can be found in the LICENSE file.

leveldb is a db engine based on leveldb

Index

• type LevelDB
  • func OpenLevelDB(path string) (*LevelDB, error)
  • func (ldb *LevelDB) Begin(write bool) error
  • func (ldb *LevelDB) Close()
  • func (ldb *LevelDB) Commit() error
  • func (ldb *LevelDB) Del(keys []string) error
  • func (ldb *LevelDB) GC() error
  • func (ldb *LevelDB) Get(k string) (string, error)
  • func (ldb *LevelDB) Incr(k string, by int64) (int64, error)
  • func (ldb *LevelDB) MGet(keys []string) (data []string)
  • func (ldb *LevelDB) MSet(data map[string]string) error
  • func (ldb *LevelDB) Rollback() error
  • func (ldb *LevelDB) Scan(scannerOpt kvstore.ScannerOptions) error
  • func (ldb *LevelDB) Set(k, v string, ttl int) error
  • func (ldb *LevelDB) Size() int64
  • func (ldb *LevelDB) TTL(key string) int64

Types

type LevelDB

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

LevelDB - represents a leveldb db implementation

func OpenLevelDB

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

OpenLevelDB - Opens the specified path

func (*LevelDB) Begin

func (ldb *LevelDB) Begin(write bool) error

func (*LevelDB) Close

func (ldb *LevelDB) Close()

Close ...

func (*LevelDB) Commit

func (ldb *LevelDB) Commit() error

func (*LevelDB) Del

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

Del - removes key(s) from the store

func (*LevelDB) GC

func (ldb *LevelDB) GC() error

GC - runs the garbage collector

func (*LevelDB) Get

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

Get - fetches the value of the specified k

func (*LevelDB) Incr

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

Incr - increment the key by the specified value

func (*LevelDB) MGet

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

MGet - fetch multiple values of the specified keys

func (*LevelDB) MSet

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

MSet - sets multiple key-value pairs

func (*LevelDB) Rollback

func (ldb *LevelDB) Rollback() error

func (*LevelDB) Scan

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

Scan - iterate over the whole store using the handler function

func (*LevelDB) Set

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

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

func (*LevelDB) Size

func (ldb *LevelDB) Size() int64

Size - returns the size of the database in bytes

func (*LevelDB) TTL

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

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