Method setActiveDataFile

engine/db.go:233–247

Set the current active file Hold a mutex before accessing this method

()

// Set the current active file
// Hold a mutex before accessing this method
func (db *DB) setActiveDataFile() error {
	var initialFileID uint32 = 0
	if db.activeFile != nil {
		initialFileID = db.activeFile.FileID + 1
	}

	// Open a new data file
	dataFile, err := data2.OpenDataFile(db.options.DirPath, initialFileID,
		db.options.DataFileSize, db.options.FIOType)
	if err != nil {
		return err
	}
	db.activeFile = dataFile
	return nil
}

// Get Read data according to the key
func (db *DB) Get(key []byte) ([]byte, error) {