补充s\\u ha\\u dum的回答和评论：

执行此操作时需要更改的元键（v4.8.5），即所有wp\\U usermeta。以wp\\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu

• \\u功能
• \\u仪表板\\u快速\\u按\\u最后一次\\u发布\\u id
\\u媒体\\u库\\u模式
• \\u用户级别
• \\u用户设置
症状：访问/wp管理员/用户。php，在“角色”列中看不到任何内容（运行时也是空白角色WP-CLI\'s wp user get), 在顶部有一个空的“将角色更改为”下拉列表；列表的底部。

它可以通过简单的find and replace, e、 g。

wp search-replace --dry-run \'oldprefix_\' \'newprefix_\'

（-“干运行”意味着它将告诉您有多少行将要更改，但实际上尚未更改。您可以将其缩小到特定的表，或者如果愿意，也可以跳过特定的表，请参阅文档。）