db

package

v0.0.0-...-4f0ab6e Latest Latest Go to latest Published: Nov 29, 2021 License: MIT Imports: 9 Imported by: 0

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Repository

github.com/multivactech/multivac

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Documentation ¶

Index ¶

Constants
type Batch
- func NewBatch() Batch
type Cache
type DB
- func OpenDB(dataDir string, namespace string) (DB, error)

Constants ¶

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const (
	// HashSize means the length of hash string.
	HashSize = 32
)

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Batch ¶

type Batch interface {
	Put(key []byte, value []byte) error
	Delete(key []byte) error
	Reset()
}

Batch interface is defined to deal for a series of data.

func NewBatch ¶

func NewBatch() Batch

NewBatch creates a batch instance.

type Cache ¶

type Cache interface {
	Put(key []byte, value []byte)
	Get(key []byte) ([]byte, error)
	Delete(key []byte) error
}

Cache interface is used for cache data from database.

type DB ¶

type DB interface {
	Get(key []byte) ([]byte, error)
	Put(key []byte, value []byte) error
	Delete(key []byte) error
	Has(key []byte) (bool, error)
	StartTransactionRecord()
	CommitTransaction()
	Close() error
	GetIter() iterator.Iterator
}

DB interface is used for database.

func OpenDB ¶

func OpenDB(dataDir string, namespace string) (DB, error)

OpenDB returns a wrapped leveldb instance(currently).

Source Files ¶

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