kvdb

Documentation

Index

• func Copy(src, dst KeyValueStore, prefix []byte) (err error)
• func Move(src, dst KeyValueStore, prefix []byte) (err error)
• type DbProducer
• type Droper
• type FlushableKeyValueStore
• type IDStore
  • func NewIDStore(table KeyValueStore) *IDStore
  • func (p *IDStore) GetID() string
  • func (p *IDStore) SetID(id string)
• type KeyValueStore

Functions

func Copy

func Copy(src, dst KeyValueStore, prefix []byte) (err error)

Copy data from src to dst.

func Move

func Move(src, dst KeyValueStore, prefix []byte) (err error)

Move data from src to dst.

Types

type DbProducer

type DbProducer interface {
	// Names of existing databases.
	Names() []string
	// OpenDb or create db with name.
	OpenDb(name string) KeyValueStore
}

DbProducer represents real db producer.

type Droper

type Droper interface {
	Drop()
}

Droper is able to delete the DB.

type FlushableKeyValueStore

type FlushableKeyValueStore interface {
	KeyValueStore

	NotFlushedPairs() int
	NotFlushedSizeEst() int
	Flush() error
	DropNotFlushed()
}

FlushableKeyValueStore contains all the method for flushable databases, i.e. databases which write changes on disk only on flush.

type IDStore

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

IDStore stores id

func NewIDStore

func NewIDStore(table KeyValueStore) *IDStore

NewIDStore constructor

func (*IDStore) GetID

func (p *IDStore) GetID() string

GetID is a getter

func (*IDStore) SetID

func (p *IDStore) SetID(id string)

SetID is a setter

type KeyValueStore

type KeyValueStore interface {
	ethdb.KeyValueStore
	Droper
}

KeyValueStore contains all the methods required to allow handling different key-value data stores backing the high level database.