[wp-trac] [WordPress Trac] #19726: Don't update the post_thumbnail_cache if the thumbnail is already cached

[WordPress Trac]

#19726: Don't update the post_thumbnail_cache if the thumbnail is already cached
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 Reporter:  prettyboymp  |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  Performance  |    Version:  3.3
 Severity:  normal       |   Keywords:
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 There is no reason to run the query in update_post_thumbnail_cache() if
 all of the thumbnail posts are already cached.  Before adding a post_id to
 the thumb_ids array, cache should be checked.

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Ticket URL: <http://core.trac.wordpress.org/ticket/19726>
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