I m试图找到一种办法,确定一个元的元值,该元对另一个元的元价值,对每个单人员额而言。
I have two meta_keys - url and link .
链接钥匙含有附属链接,需要加以消除,主要反映的是圆顶钥匙中的价值,这些价值只是与目标地点的标准联系。
I need to do this for the entire wp_postmeta table, I need to make link equal url for each post_id. I can t just replace them globally as each post_id has a different and unique url value.
非常感谢任何帮助。
提炼(背后一行):
update wp_postmeta h, wp_postmeta p
set h.meta_value = p.meta_value
where h.meta_key = link AND
p.meta_key = url AND
p.post_id = h.post_id
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