select message_id, user_id, article_id, article_img, message_type, read_status, content, version, create_by, create_time, update_by, update_time, del_flag from tb_member_message select count(message_id) from tb_member_message and user_id = #{userId} and article_id = #{articleId} and message_type = #{messageType} and read_status = #{readStatus} and content = #{content} and version = #{version} and user_id = #{userId} and article_id = #{articleId} and message_type = #{messageType} and read_status = #{readStatus} and content = #{content} and version = #{version} order by create_time desc where message_id = #{messageId} insert into tb_member_message message_id, user_id, article_id, article_img, message_type, read_status, content, version, create_by, create_time, update_by, update_time, del_flag, #{messageId}, #{userId}, #{articleId}, #{articleImg}, #{messageType}, #{readStatus}, #{content}, #{version}, #{createBy}, #{createTime}, #{updateBy}, #{updateTime}, #{delFlag}, update tb_member_message user_id = #{userId}, article_id = #{articleId}, article_img, message_type = #{messageType}, read_status = #{readStatus}, content = #{content}, version = #{version}, create_by = #{createBy}, create_time = #{createTime}, update_by = #{updateBy}, update_time = #{updateTime}, del_flag = #{delFlag}, where message_id = #{messageId} delete from tb_member_message where message_id = #{messageId} delete from tb_member_message where message_id in #{messageId}