[wp-trac] [WordPress Trac] #40042: Empty Author ID on first time action pre_get_post is called.

[WordPress Trac]

#40042: Empty Author ID on first time action pre_get_post is called.
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 Reporter:  BackuPs       |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  4.7.2
 Severity:  normal        |   Keywords:
  Focuses:                |
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 Hi

 I want to set pagination for authors by grabbing a field which is attached
 to the user record.  But the first time the action is called in
 pre_get_posts $query only has a username. And that is the only moment one
 can set the $query->set( 'posts_per_page', XXXX ); where XXX is the amount
 set for that user.

 So i can only do this hardcoded. But i want to be able to call the user
 meta by its id and set the amount of posts by that setting.

 [[Image(http://i.imgur.com/2IaFTeC.png)]]

 How to work around this? Why is the author ID not set and only the name?

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Ticket URL: <https://core.trac.wordpress.org/ticket/40042>
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