insert into sys_ai_chat_message (session_id, seq_no, role, content, content_length, user_id, tenant_id, deleted, create_by, create_time) values (#{item.sessionId}, #{item.seqNo}, #{item.role}, #{item.content}, #{item.contentLength}, #{item.userId}, #{item.tenantId}, #{item.deleted}, #{item.createBy}, #{item.createTime}) update sys_ai_chat_message set deleted = 1 where deleted = 0 and id in #{id} update sys_ai_chat_message set deleted = 1 where session_id = #{sessionId} and deleted = 0