minidb

Documentation

Index

• Variables
• type DB
  • func OpenDB(s storage.Storage, o *opt.Options, pool *util.BufferPool, cach *cache.Cache, ...) (*DB, error)
• type Merger
• type MergerMk
• type PDB
  • func (p *PDB) Get(key []byte) (value []byte, err error)
  • func (p *PDB) Put(key, value []byte) error
• type Segment
• type SegmentWriter
• type WritableSegment

Variables

var EAllocFailed = errors.New("EAllocFailed")

Types

type DB

type DB struct {
	PDB
	// contains filtered or unexported fields
}

func OpenDB

func OpenDB(
	s storage.Storage,
	o *opt.Options,
	pool *util.BufferPool,
	cach *cache.Cache,
	merger MergerMk,
) (*DB, error)

type Merger

type Merger interface {
	Add(b []byte) (err error)
	AddAll(bb [][]byte) (err error)
	Compactify()
	Extract() []byte
}

type MergerMk

type MergerMk func() Merger

type PDB

type PDB struct {
	Writ   SegmentWriter
	Segs   []Segment
	Merger MergerMk
}

func (*PDB) Get

func (p *PDB) Get(key []byte) (value []byte, err error)

func (*PDB) Put

func (p *PDB) Put(key, value []byte) error

type Segment

type Segment interface {
	Get(key []byte) ([]byte, error)
	NewIterator(slice *util.Range) iterator.Iterator
}

type SegmentWriter

type SegmentWriter interface {
	Put(key, value []byte) error
}

type WritableSegment

type WritableSegment interface {
	Segment
	SegmentWriter
}