memdb

package
Version: v0.0.0-...-7a1a713 Latest Latest
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Published: Jul 1, 2013 License: Apache-2.0, BSD-3-Clause Imports: 4 Imported by: 0

Documentation

Overview

Package memdb provides a memory-backed implementation of the db.DB interface.

A MemDB's memory consumption increases monotonically, even if keys are deleted or values are updated with shorter slices. Callers of the package are responsible for explicitly compacting a MemDB into a separate DB (whether in-memory or on-disk) when appropriate.

Index

Constants

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Variables

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Functions

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Types

type MemDB

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

MemDB is a memory-backed implementation of the db.DB interface.

It is safe to call Get, Set, Delete and Find concurrently.

func New

func New(o *db.Options) *MemDB

New returns a new MemDB.

func (*MemDB) ApproximateMemoryUsage

func (m *MemDB) ApproximateMemoryUsage() int

ApproximateMemoryUsage returns the approximate memory usage of the MemDB.

func (*MemDB) Close

func (m *MemDB) Close() error

Close implements DB.Close, as documented in the leveldb/db package.

func (*MemDB) Delete

func (m *MemDB) Delete(key []byte, o *db.WriteOptions) error

Delete implements DB.Delete, as documented in the leveldb/db package.

func (*MemDB) Find

func (m *MemDB) Find(key []byte, o *db.ReadOptions) db.Iterator

Find implements DB.Find, as documented in the leveldb/db package.

func (*MemDB) Get

func (m *MemDB) Get(key []byte, o *db.ReadOptions) (value []byte, err error)

Get implements DB.Get, as documented in the leveldb/db package.

func (*MemDB) Set

func (m *MemDB) Set(key, value []byte, o *db.WriteOptions) error

Set implements DB.Set, as documented in the leveldb/db package.

Source Files

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