Discuz!X3.4本地附件全部修改为远程附件的方法

update pre_forum_attachment_0 set remote=1 where remote=0;

update pre_forum_attachment_1 set remote=1 where remote=0;

update pre_forum_attachment_2 set remote=1 where remote=0;

update pre_forum_attachment_3 set remote=1 where remote=0;

update pre_forum_attachment_4 set remote=1 where remote=0;

update pre_forum_attachment_5 set remote=1 where remote=0;

update pre_forum_attachment_6 set remote=1 where remote=0;

update pre_forum_attachment_7 set remote=1 where remote=0;

update pre_forum_attachment_8 set remote=1 where remote=0;

update pre_forum_attachment_9 set remote=1 where remote=0;

批量替换论坛贴子内容：

update pre_forum_post SET message=REPLACE(message,’替换前’,’替换后’);