func GetDbDriver(name string) (*DbDriver, error) {
	driver, ok := dbDrivers[name]
	if !ok {
		return nil, errors.Errorf("Unknown database driver: %q.", name)
	}
	return &driver, nil
}
func GetDbDriver(name string) (*DbDriver, error) {
	driver, ok := dbDrivers[name]
	if !ok {
		return nil, errors.Errorf("Unknown database driver: %q.", name)
	}
	return &driver, nil
}
func GetDbDriver ( name string ) ( * DbDriver , error ) { driver , ok := dbDrivers [ name ] if ! ok { return nil , errors . Errorf ( " " , name ) } return & driver , nil }
// GetDbDriver returns the DB driver that was registered with a specific name
GetDbDriver returns the DB driver that was registered with a specific name