Andrew Nacin b7198b85f8 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: https://develop.svn.wordpress.org/trunk@21952 602fd350-edb4-49c9-b593-d223f7449a82

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

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