database

package

v0.5.11 Latest Latest Go to latest Published: Sep 22, 2020 License: BSD-3-Clause Imports: 10 Imported by: 0

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Repository

github.com/govm-net/govm

Links

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Documentation ¶

Index ¶

Variables
func ChangeClientNumber(in int)
func GetClient() *client.Client
type CacheNode
type LDB
- func NewLDB(name string, cacheCap int) *LDB
type LRUCache
- func NewLRUCache(cap int) *LRUCache

Constants ¶

This section is empty.

Variables ¶

View Source

var Permission os.FileMode = 0666

Permission Permission of local database

Functions ¶

func ChangeClientNumber ¶

func ChangeClientNumber(in int)

ChangeClientNumber change client number

func GetClient ¶

func GetClient() *client.Client

GetClient get database client

Types ¶

type CacheNode ¶

type CacheNode struct {
	Key, Value interface{}
}

CacheNode cache node

type LDB ¶

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

LDB Local DB

func NewLDB ¶

func NewLDB(name string, cacheCap int) *LDB

NewLDB new local db

func (*LDB) Close ¶

func (d *LDB) Close()

Close close ldb

func (*LDB) LGet ¶

func (d *LDB) LGet(chain uint64, tbName string, key []byte) []byte

LGet Local DB Get

func (*LDB) LGetNext ¶

func (d *LDB) LGetNext(chain uint64, tbName string, prefix []byte) (k, v []byte)

LGetNext Local DB Get next,for visit all keys

func (*LDB) LSet ¶

func (d *LDB) LSet(chain uint64, tbName string, key, value []byte) error

LSet Local DB Set,if value = nil,will delete the key

func (*LDB) SetCache ¶

func (d *LDB) SetCache(tbName string)

SetCache set memory cache of the table

func (*LDB) SetNotDisk ¶

func (d *LDB) SetNotDisk(tbName string, cap int)

SetNotDisk the data only in memory

type LRUCache ¶

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

LRUCache lru cache

func NewLRUCache ¶

func NewLRUCache(cap int) *LRUCache

NewLRUCache new cache

func (*LRUCache) Get ¶

func (lru *LRUCache) Get(k interface{}) (v interface{}, ok bool)

Get get cache value

func (*LRUCache) GetNext ¶

func (lru *LRUCache) GetNext(preKey interface{}) (k, v interface{}, ok bool)

GetNext get next item

func (*LRUCache) Set ¶

func (lru *LRUCache) Set(k, v interface{})

Set add new item

func (*LRUCache) Size ¶

func (lru *LRUCache) Size() int

Size get length of cached

Source Files ¶

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