FROMdblink(func_db_info('dev_base'::charactervarying)::text,' SELECT rel.user_id, CASE WHEN sum(strpos(r.name::text, ''三期''::text)) > 0 THEN ''三期'' ELSE ''二期'' END AS period FROM sys_user_rel_role rel JOIN sys_role r ON r.id = rel.role_id WHERE r.status = 1 GROUP BY rel.user_id'::text)u(user_idbigint,periodcharactervarying)