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v1.0.4 Latest Latest Go to latest Published: Sep 21, 2020 License: BSD-3-Clause Imports: 9 Imported by: 0

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Repository

github.com/lengzhao/database

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Open Source Insights

Documentation ¶

Index ¶

Variables
type Manager
- func Open(dir string) (*Manager, error)

Constants ¶

This section is empty.

Variables ¶

View Source

var HistoryMax uint64 = 2000

HistoryMax the number of history files(rollback times)

Functions ¶

This section is empty.

Types ¶

type Manager ¶

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

Manager manager

func Open ¶

func Open(dir string) (*Manager, error)

Open open manager,if not exist,create it

func (*Manager) Cancel ¶

func (m *Manager) Cancel(flag []byte) error

Cancel cancel flag,not write to disk

func (*Manager) Close ¶

func (m *Manager) Close()

Close close manager

func (*Manager) Commit ¶

func (m *Manager) Commit(flag []byte) error

Commit write data to disk

func (*Manager) Exist ¶

func (m *Manager) Exist(tbName, key []byte) bool

Exist return true if the key exist

func (*Manager) Get ¶

func (m *Manager) Get(tbName, key []byte) []byte

Get get data

func (*Manager) GetLastFlag ¶

func (m *Manager) GetLastFlag() []byte

GetLastFlag get last flag

func (*Manager) GetNextKey ¶

func (m *Manager) GetNextKey(tbName, preKey []byte) []byte

GetNextKey get next key(visit database)

func (*Manager) OpenFlag ¶

func (m *Manager) OpenFlag(flag []byte) error

OpenFlag open flag

func (*Manager) Rollback ¶

func (m *Manager) Rollback(flag []byte) error

Rollback rollback data of flag

func (*Manager) Set ¶

func (m *Manager) Set(tbName, key, value []byte) error

Set set data, unable rollback

func (*Manager) SetWithFlag ¶

func (m *Manager) SetWithFlag(flag, tbName, key, value []byte) error

SetWithFlag set data with flag, enable rollback

Source Files ¶

View all Source files

db.go

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