当p表中base_name 字段为null 代表所有基地的权限,这种情况SQL应该怎么写select distinct base_name,base_code FROM zh_ads.ads_mfg_produce_order_working_detail orgglobal inner join (select distinct base_name from zh_ods.ods_dj_portal_user_data_permissionwhere 1=1 and username = '${fine_username}') pon p.base_name = org.base_name