[wp-trac] [WordPress Trac] #22560: Cache invalidation in wp_set_object_terms

[WordPress Trac]

#22560: Cache invalidation in wp_set_object_terms
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 Reporter:  batmoo                         |       Owner:  ryan
     Type:  defect (bug)                   |      Status:  assigned
 Priority:  normal                         |   Milestone:  3.5
Component:  Taxonomy                       |     Version:  trunk
 Severity:  normal                         |  Resolution:
 Keywords:  has-patch commit dev-reviewed  |
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Changes (by nacin):

 * keywords:  dev-feedback => has-patch commit dev-reviewed


Comment:

 If a taxonomy was assigned to completely different objects — say, a post
 and a user — and the same ID in both had a relationship cache, one would
 clear the other. This is acceptable, especially because that combination
 doesn't work anyway, as term relationships don't have a type of object —
 just an object ID and a tt ID.

 Also, there is one early return in wp_set_object_terms() for db errors. We
 weren't doing a cache delete in wp_set_post_terms() for WP_Error either,
 so this also seems good.

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Ticket URL: <http://core.trac.wordpress.org/ticket/22560#comment:13>
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