我有一个MySQL Wordpress数据库,我正在处理结构不太好的postmeta表。它有四列:"meta_id,post_id,meta_key,meta_value“。FROM wp_10_postmeta as pm WHERE (meta_keymeta_key LIKE 'personnel_%_title' OR
使用Mysql,我可以运行以下查询FROM wordpress.wp_postmeta IN (SELECT post_idFROM wordpress.wp_postmeta WHERE meta_value = "Tuesday" AND meta_key = "_field_93")
INTO OUTFILE '/tmp
问题是id不是唯一的,所以我不能使用ON DUPLICATE KEY UPDATE IF EXISTS (select * from wordpress.wp_4_postmeta-25' where post_id=3466 and meta_key='_job_expires' insert into wordpress.wp_4_postmeta (post_id,meta_key,meta_value) values (3466,
实际上,我在Wordpress中使用了许多自定义请求,这些请求指向"wp_postmeta“表。这并不理想,因为您必须处理给定的表结构。下面是'wp-postmeta‘表中的列:post_id (related post which is a foreign key)meta_value (value of that parameter)
meta_id是表的默认主键,默认情况下没有由Wordpr
我正试图将两个表放在一起,以便只在我的wordpress站点的管理部分显示后端用户信息,并且无法通过错误"MySQL说:'on子句‘中未知列'u.ID’中的数据结构是正确的,但我似乎无法通过这个错误。select u.ID as name,from users as u, usermeta as um select um.umeta_id,
max(case when meta_key='nickname' then meta_value end)as