[wp-trac] [WordPress Trac] #21120: Optimize get_user_by()

[WordPress Trac]

#21120: Optimize get_user_by()
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 Reporter:  kurtpayne               |       Owner:
     Type:  enhancement             |      Status:  new
 Priority:  normal                  |   Milestone:  Awaiting Review
Component:  Performance             |     Version:
 Severity:  normal                  |  Resolution:
 Keywords:  dev-feedback has-patch  |
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Comment (by scribu):

 > Replying to [comment:3 nacin]:
 > > Perhaps WP_Query should have a flag to do this.
 >
 > I'm not sure where to put this.  Hint?  I'm also not sure if it's
 needed.  Priming a user/cap cache on the "get all posts page" could net a
 positive performance benefit.  Priming a user/cap cache on an "upload
 file" or "new post" page may be a waste.

 On the contrary: the flag would be off by default, so you can choose when
 you need the user cache primed.

 For an example, take a look at the 'update_post_term_cache' query var.

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Ticket URL: <http://core.trac.wordpress.org/ticket/21120#comment:6>
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