select bm.id, bm.uuid, bm.from_user, bm.to_user, bm.from_company, bm.to_company, bm.message_content, bm.message_topic, bm.message_type, bm.create_time, bm.update_time, sd1.dept_name as from_company_name, sd2.dept_name as to_company_name,is_read from bm_message bm left join sys_dept sd1 on sd1.dept_id = bm.from_company left join sys_dept sd2 on sd2.dept_id = bm.to_company and uuid = #{uuid} and (from_user = #{fromUser} or to_user = #{toUser}) and (from_company = #{fromCompany} or to_company = #{toCompany}) and message_content = #{messageContent} and message_topic = #{messageTopic} and message_type = #{messageType} order by create_time where id = #{id} and uuid = #{uuid} and (from_user = #{fromUser} or to_user = #{toUser}) and ((from_company = #{fromCompany} and to_company = #{toCompany}) or (from_company = #{toCompany} and to_company = #{fromCompany})) and message_content = #{messageContent} and message_topic = #{messageTopic} and message_type = #{messageType} order by create_time SELECT sd.dept_id AS deptId, sd1.dept_name AS companyName FROM sys_dept sd JOIN ( SELECT CASE ancestors WHEN ( '0' ) THEN dept_id ELSE SUBSTRING_INDEX( SUBSTRING_INDEX( ancestors, ',', 2 ), ',', - 1 ) END AS first_ancestor, dept_id FROM sys_dept GROUP BY first_ancestor ) AS subquery ON sd.dept_id = subquery.dept_id LEFT JOIN sys_dept sd1 ON sd1.dept_id = subquery.first_ancestor insert into bm_message uuid, from_user, to_user, from_company, to_company, message_content, message_topic, message_type, create_time, update_time, #{uuid}, #{fromUser}, #{toUser}, #{fromCompany}, #{toCompany}, #{messageContent}, #{messageTopic}, #{messageType}, #{createTime}, #{updateTime}, update bm_message uuid = #{uuid}, from_user = #{fromUser}, to_user = #{toUser}, from_company = #{fromCompany}, to_company = #{toCompany}, message_content = #{messageContent}, message_topic = #{messageTopic}, is_read = #{isRead}, message_type = #{messageType}, create_time = #{createTime}, update_time = #{updateTime}, where from_company = #{fromCompany} and to_company = #{toCompany} delete from bm_message where id = #{id} delete from bm_message where id in #{id}