[wp-trac] [WordPress Trac] #10905: Do not allow duplicate (post_id, meta_key, meta_value) rows in meta tables

[WordPress Trac]

#10905: Do not allow duplicate (post_id, meta_key, meta_value) rows in meta tables
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 Reporter:  scribu        |       Owner:  ryan           
     Type:  defect (bug)  |      Status:  new            
 Priority:  normal        |   Milestone:  Awaiting Triage
Component:  Database      |     Version:  2.9            
 Severity:  normal        |    Keywords:  needs-patch    
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Changes (by Denis-de-Bernardy):

  * keywords:  has-patch => needs-patch


Comment:

 See also #15049, which got closed as dup, with further discussion points.

 Btw, the unique index is not an interesting one. It's too large - better
 use in_array() for this kind of stuff.

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Ticket URL: <http://core.trac.wordpress.org/ticket/10905#comment:21>
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