[wp-trac] [WordPress Trac] #35184: 301 infinite redirect loop error on SOME posts

[WordPress Trac]

#35184: 301 infinite redirect loop error on SOME posts
--------------------------+--------------------------------------------
 Reporter:  sveralex      |       Owner:
     Type:  defect (bug)  |      Status:  closed
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Permalinks    |     Version:  4.4
 Severity:  normal        |  Resolution:  invalid
 Keywords:                |     Focuses:  accessibility, administration
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Comment (by sveralex):

 I'm not sure you're right.
 Just found this patch (CORE!), which helped me. But I'm not sure if it
 does not impact on other functions.

 Index: wp-includes/query.php
 ===================================================================
 --- wp-includes/query.php       (revision 26965)
 +++ wp-includes/query.php       (working copy)
 @@ -3923,6 +3923,10 @@

                 $query = $wpdb->prepare("SELECT post_id FROM
 $wpdb->postmeta, $wpdb->posts WHERE ID = post_id AND post_type = %s AND
 meta_key = '_wp_old_slug' AND meta_value = %s", $post_type,
 $wp_query->query_vars['name']);

 +               // Prevent a simple redirect loop due to values in
 '_wp_old_slug' not deleted
 +               // when in an unpublished status.
 +               $query .= $wpdb->prepare(" AND post_name != %s",
 $wp_query->query_vars['name']);
 +
                 // if year, monthnum, or day have been specified, make our
 query more precise
                 // just in case there are multiple identical _wp_old_slug
 values
                 if ( '' != $wp_query->query_vars['year'] )

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Ticket URL: <https://core.trac.wordpress.org/ticket/35184#comment:2>
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