class ProjectDbsetRelationService {

    public boolean isNotExistByName(ProjectDbsetRelation projectDbsetRelation) throws SQLException {
        Long n = projectDbsetRelationDao.getCountByRelation(projectDbsetRelation.getDbsetId(), projectDbsetRelation.getProjectId());
        if (n == 0) {
            return true;
        }
        return false;
    }

}