[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:17 filosofo]:
 > To keep things simple, I think removing the select for meta_value should
 be kept as a separate issue; I opened a ticket: #9177

 Come to think of it, you don't need to SELECT ''any'' field from
 wp_postmeta when querying either by meta_key, or meta_value or both,
 right? Only then a GROUP BY wouldn't be necessary.

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Ticket URL: <http://core.trac.wordpress.org/ticket/9167#comment:18>
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