[wp-trac] [WordPress Trac] #35031: wp_old_slug_redirect() in 4.4 redirecting existing posts

[WordPress Trac]

#35031: wp_old_slug_redirect() in 4.4 redirecting existing posts
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 Reporter:  douglsmith                           |       Owner:  pento
     Type:  defect (bug)                         |      Status:  assigned
 Priority:  normal                               |   Milestone:  4.4.1
Component:  Query                                |     Version:  4.4
 Severity:  critical                             |  Resolution:
 Keywords:  has-patch needs-unit-tests needs-    |     Focuses:
  testing                                        |
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Comment (by jobst):

 Replying to [comment:17 pento]:
 > `_wp_old_slug` is the slug that the post used to have, before it was
 changed. If the post slug is never changed, it doesn't have a
 `_wp_old_slug` meta value.
 >
 > The current post slug is stored in the `post_name`.

 So why is it necessary to check for the "_wp_old_slug" as the slug is
 already contained in the post table? I am just trying to get my head
 around this ...

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Ticket URL: <https://core.trac.wordpress.org/ticket/35031#comment:19>
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