[wp-trac] [WordPress Trac] #22191: In update_metadata(), compare old/new values before deciding whether to call add_metadata()

[WordPress Trac]

#22191: In update_metadata(), compare old/new values before deciding whether to
call add_metadata()
--------------------------+--------------------------
 Reporter:  nacin         |       Owner:  markjaquith
     Type:  defect (bug)  |      Status:  closed
 Priority:  normal        |   Milestone:  3.5
Component:  Performance   |     Version:
 Severity:  normal        |  Resolution:  fixed
 Keywords:  has-patch     |
--------------------------+--------------------------
Changes (by markjaquith):

 * owner:   => markjaquith
 * status:  new => closed
 * resolution:   => fixed


Comment:

 In [22231]:
 {{{
 #!CommitTicketReference repository="" revision="22231"
 Defer the meta_id-fetching query until after comparison of the previous
 value, so that redundant calls to update_metadata() can bail without
 making that query. props nacin. fixes #22191
 }}}

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Ticket URL: <http://core.trac.wordpress.org/ticket/22191#comment:2>
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