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Ignore:
Timestamp:
05/22/2014 06:18:11 PM (5 years ago)
Author:
wonderboymusic
Message:

Apply order to each passed value for orderby in WP_Query:

  • Since orderby in WP_Query can accept space-delimited sets, yet only one order value: when multiple values are passed (and DESC is the order), the default sort order ASC is being applied to all values before the last in the set.
  • There is a unit test that sporadically fails since 3.6 in tests/post/revision due to multiple posts having the same post_date from being added so rapidly
  • When ordering revisions in wp_get_post_revisions(), order by post_date ID
  • Change the order value in wp_get_post_revisions() to ASC. This will produce SQL like: ORDER BY $wpdb->posts.post_date ASC, $wpdb->posts.ID ASC. Previously, this would have produced SQL like: ORDER BY $wpdb->posts.post_date DESC, and with the addition of ID: ORDER BY $wpdb->posts.post_date ASC, $wpdb->posts.ID DESC. Clearly, wrong. The original SQL produced: ORDER BY $wpdb->posts.post_date DESC. As such, return the reversions in reverse order using array_reverse(). Not doing so would break "Preview Changes."
  • Add unit tests to assert that all of this works.
  • All existing unit tests pass with the change to ordering multiple orderbys in WP_Query.
  • In the future, we should support independent order for each orderby, see #17065.

Props SergeyBiryukov, wonderboymusic.
Fixes #26042.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/src/wp-includes/query.php

    r28533 r28541  
    26692669                $orderby_array[] = $orderby;
    26702670            }
    2671             $orderby = implode( ',', $orderby_array );
     2671            $orderby = implode( ' ' . $q['order'] . ', ', $orderby_array );
    26722672
    26732673            if ( empty( $orderby ) )
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