[buddypress-trac] [BuddyPress Trac] #7834: WordPress Changeset 42836 introduces conflict with BuddyPress `blogmeta` table

buddypress-trac noreply at wordpress.org
Wed May 16 10:45:31 UTC 2018

#7834: WordPress Changeset 42836 introduces conflict with BuddyPress `blogmeta`
 Reporter:  needle        |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Blogs         |    Version:
 Severity:  normal        |   Keywords:  dev-feedback
 [https://core.trac.wordpress.org/changeset/42836 WordPress Changeset
 42836] introduces the `$wpdb->blogmeta` table into core. Existing
 multisite BuddyPress installs with the Site Tracking component active
 already have the `$wpdb->bp_user_blogs_blogmeta` table installed and refer
 to it via the `blogmeta` property of the `$wpdb` object.

 There are two consequences of this:

 1) The WordPress "Upgrade Network" routine fails to install the core
 `$wpdb->blogmeta` table because `is_site_meta_supported()` erroneously
 reports `true` due to the existence of the `$wpdb->bp_user_blogs_blogmeta`

 2) Queries performed ''after'' BuddyPress alters `$wpdb` throw SQL errors
 of the following form:

 `[16-May-2018 10:14:16 UTC] WordPress database error Unknown column
 'meta_id' in 'order clause' for query SELECT blog_id, meta_key, meta_value
 FROM wp_bp_user_blogs_blogmeta WHERE blog_id IN (2,3,4) ORDER BY meta_id
 ASC made by require_once('wp-admin/network/admin.php'), require_once('wp-
 admin/admin.php'), do_action('admin_init'), WP_Hook->do_action,
 WP_Hook->apply_filters, _wp_admin_bar_init, WP_Admin_Bar->initialize,
 get_blogs_of_user, get_sites, WP_Site_Query->query,
 WP_Site_Query->get_sites, _prime_site_caches, update_site_cache,
 update_sitemeta_cache, update_meta_cache`

 The query above is intended for the `$wpdb->blogmeta` table but gets
 routed to the `$wpdb->bp_user_blogs_blogmeta` table instead.

 tl;dr BuddyPress and/or WordPress need a disambiguation exercise to
 resolve this name clash.

Ticket URL: <https://buddypress.trac.wordpress.org/ticket/7834>
BuddyPress Trac <http://buddypress.org/>
BuddyPress Trac

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