2
我试图运行该删除查询MYSQL中(通过phpMyAdmin的),我不断收到此错误:2删除联接得到错误 - MySQL的
DELETE
p,pm
from wp_posts p
inner join wp_postmeta pm on pm.post_id = p.id
where p.id in (SELECT MIN(id) AS min_id
FROM wp_posts inner join wp_postmeta on (wp_posts.ID=wp_postmeta.post_id and meta_key = 'old_id')
WHERE post_type = 'post'
GROUP BY meta_value
HAVING COUNT(*) > 1)
任何想法,为什么?
我仍然得到:你不能指定目标表“P”的更新在FROM子句 – Adi
答案更新FROM在错误的地方子句 – scaisEdge
'DELETE p,PM 从wp_posts p 内上pm.post_id加入wp_postmeta PM = p.id 其中p.id在(SELECT MIN(ID) FROM wp_posts内上(wp_posts加入wp_postmeta .ID = wp_postmeta.post_id和meta_key ='old_id') WHERE post_type ='post' GROUP BY meta_value HAVING COUNT(*)> 1)'这是我的查询 – Adi