[wp-trac] [WordPress Trac] #13179: Saving a custom post type with post_parent resets to zero

[WordPress Trac]

#13179: Saving a custom post type with post_parent resets to zero
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 Reporter:  mikeschinkel  |       Owner:            
     Type:  defect (bug)  |      Status:  new       
 Priority:  normal        |   Milestone:  Unassigned
Component:  General       |     Version:  3.0       
 Severity:  normal        |    Keywords:            
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 If you set post_parent in code for a custom post type and then edit the
 child if resets the post_parent to zero.

 Use-case: I have a custom post type of "store" and another of "location."
 I have a meta box that allows me to add locations on the store edit page
 and I set the location's post_parent to the post_ID of the store.  All
 works fine until I go to edit a location that has a post_parent set save
 it will wipe the post parent and thus create an orphan.

 (fyi, my locations do not have page-attributes so setting the parent is
 impossible from the location edit UI anyway.)

 While this is not "supported" behavior yet I'd think that saving it should
 not overwrite a value already set. I went through the code and I'm not
 sure how to correct this. It seems that edit ignores what's in the
 database and only goes with what is in $_POST. As such, it might be a
 significant modification.

 Something to consider?

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Ticket URL: <http://core.trac.wordpress.org/ticket/13179>
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