public WhereSql buildWhereSql(MDataPaginationReq request) {
        return new WhereSql()
                .andOnNotNull("id = ?", request.getId())
                .andOnNotEmpty("identity = ?", request.getIdentity())
                .andOnNotEmpty("node_group = ?", request.getNodeGroup())
                .andBetween("timestamp", request.getStartTime(), request.getEndTime());
    }
@author Robert HG (254963746@qq.com) on 3/9/16.
lts-admin/src/main/java/com/github/ltsopensource/admin/access/mysql/MysqlBackendJVMThreadAccess.java