Andrew Nacin a42ce2353a Stop cleaning the cache of a post's children. Ancestors are no longer cached against the post object, which means this kind of walking is unnecessary. It is also prohibitively expensive with large hierarchies. ...

We need to remove post_ancestors non-persistent caching for this. get_post_ancestors() can simply rely on the caching of get_post() instead. Previously, it was a direct query, hence the extra layers of caching and clearing.

Child cache clearing stays in wp_delete_post() as children get a new parent.

fixes #11399.



git-svn-id: http://core.svn.wordpress.org/trunk@21952 1a063a9b-81f0-0310-95a4-ce76da25c4cd

2012-09-22 15:55:02 +00:00

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