如何向所有帖子添加具有随机值的自定义字段

Question

我正在尝试使用以下代码为我的 wordpress 网站的所有帖子添加/更新自定义字段值...在 phpmysql 中

INSERT INTO wp_postmeta (post_id, meta_key, meta_value)
SELECT ID AS post_id, 'views'
AS meta_key 'RAND(6)*20' AS meta_value
FROM wp_posts WHERE ID NOT IN
(SELECT post_id FROM wp_postmeta WHERE meta_key = 'views')
`` AND post_type = 'post';

但这根本不起作用.... 有人可以帮我解决这个问题吗！

Answer 1

用RAND(6)*20 AS meta_value代替'RAND(6)*20' AS meta_value
基本上去掉单引号。