id, push_id, app_id, pub_key, secret_key, source_type, push_rule_type, push_rule, push_ip_url, description, data_state, create_empid, create_date, modfiy_empid, modify_date, org_id select MAX(a.push_id) pushId, -- 聚合：取分组内最大的push_id MAX(a.app_id) appId, -- 聚合：取分组内最大的app_id MAX(a.pub_key) pubKey, -- 聚合：取分组内最大的pubKey MAX(a.secret_key) secretKey, -- 聚合：取分组内最大的secretKey a.source_type sourceType, -- 分组列，可直接查询 MAX(a.push_rule_type) pushRuleType, MAX(a.push_rule) pushRule, MAX(a.push_ip_url) pushIpUrl, b.push_type pushType, -- 分组列，可直接查询 MAX(a.create_empid) createEmpid, MAX(a.modfiy_empid) modfiyEmpid, MAX(a.description) description from td_c_third_authorization_push a inner join td_c_third_authorization_push_detail b -- 推荐显式JOIN，替代隐式逗号连接 on a.push_id = b.rlt_push_id where a.data_state = 1 and b.data_state = 1 and a.org_id = #{orgId} and b.push_type = #{pushType} group by a.source_type, b.push_type select a.push_id pushId, a.app_id appId, a.pub_key pubKey, a.secret_key secretKey, a.source_type sourceType, a.push_rule_type pushRuleType, a.push_rule pushRule, a.push_ip_url pushIpUrl, b.push_type pushType from td_c_third_authorization_push a left join td_c_third_authorization_push_detail b on a.push_id = b.rlt_push_id and b.data_state = 1 and b.pl_no = #{plNo} where a.source_type = #{sourceType} and a.data_state = 1 group by a.source_type