[wp-trac] [WordPress Trac] #13350: update_metadata() updates unchanged values

[WordPress Trac]

#13350: update_metadata() updates unchanged values
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 Reporter:  ryan          |       Owner:     
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  3.0
Component:  Optimization  |     Version:     
 Severity:  normal        |    Keywords:     
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 update_metadata() generates an UPDATE query even if the value is the same
 as in the DB.  When saving nav menus, for example, this results in many
 pointless updates.

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Ticket URL: <http://core.trac.wordpress.org/ticket/13350>
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