insert into flarum_post_mentions_user (`post_id`,`mentions_user_id`,`create_by`,`create_time`,`update_by`,`update_time`,`del_flag`,`remark`) values (?post_id,?mentions_user_id,?create_by,?create_time,?update_by,?update_time,?del_flag,?remark) update flarum_post_mentions_user set `post_id`=?post_id,`mentions_user_id`=?mentions_user_id,`create_by`=?create_by,`create_time`=?create_time,`update_by`=?update_by,`update_time`=?update_time,`del_flag`=?del_flag,`remark`=?remark where id =?id delete from flarum_post_mentions_user where id =?id select `post_id`,`mentions_user_id`,`create_by`,`create_time`,`update_by`,`update_time`,`del_flag`,`remark` from flarum_post_mentions_user where id =?id select `post_id`,`mentions_user_id`,`create_by`,`create_time`,`update_by`,`update_time`,`del_flag`,`remark` from flarum_post_mentions_user