[wp-trac] Re: [WordPress Trac] #9167: query_posts('meta_key=foo') returns duplicate posts

[WordPress Trac]

#9167: query_posts('meta_key=foo') returns duplicate posts
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 Reporter:  scribu        |       Owner:  anonymous
     Type:  defect (bug)  |      Status:  new      
 Priority:  normal        |   Milestone:  2.7.2    
Component:  General       |     Version:           
 Severity:  normal        |    Keywords:  has-patch
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Comment(by scribu):

 Replying to [comment:19 filosofo]:
 > The GROUP BY (or a DISTINCT) is still necessary in the multiple meta_key
 scenario because wp_postmeta is joined to wp_posts, no matter what is
 selected.

 Yes, you're right. (I've tested it on my localhost)

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Ticket URL: <http://core.trac.wordpress.org/ticket/9167#comment:20>
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