[wp-trac] [WordPress Trac] #10852: improve get_page_children

[WordPress Trac]

#10852: improve get_page_children
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 Reporter:  hailin        |       Owner:            
     Type:  defect (bug)  |      Status:  new       
 Priority:  normal        |   Milestone:  Unassigned
Component:  General       |     Version:            
 Severity:  normal        |    Keywords:            
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 In #5303, mihai pointed out that get_page_children is very slow with 7000
 pages. It's indeed slow, since the algorithm has O^2 complexity.

 We should improve it to O(N) complexity.

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Ticket URL: <http://core.trac.wordpress.org/ticket/10852>
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