以下SQL语句在达梦、人大数据库可以执行通过，但南大数据库无法兼容，语法适配

SELECT
                      acs.DEPT_ID,
                      SUM(IF ((instr(acsd.BRAND,'自建') > 0 AND (acsd.SUM + acsd.SUM_SYSTEM) = 0 AND (acsd.PHYSICS_SERVER_ROUTE IS NULL OR acsd.PHYSICS_SERVER_ROUTE = '')
                      AND (acsd.CLOUD_SUPPLIER IS NULL OR acsd.CLOUD_SUPPLIER = '')
                      AND (acsd.COMPUTE_RESOURCES_SITUATION + acsd.STORE_RESOURCES_SITUATION + acsd.NETWORK_BROADBAND + acsd.RENT_YEAR) = 0)
                      OR (acsd.SUM + acsd.SUM_SYSTEM) > 0, '1', '0')) cloudSelfSecret
              FROM AK_CLOUD_SUMMARY acs LEFT JOIN AK_CLOUD_SUMMARY_DATA acsd ON acs.ID = acsd.CLOUD_SUMMARY_ID AND acsd.SECRET = '是'
              WHERE acs.DEL_FLAG = '0' AND acs.STATUS = '3'
              GROUP BY acs.DEPT_ID