id,summary,reporter,owner,description,type,status,priority,milestone,component,version,severity,resolution,keywords,cc
8977,Database schema upgrades can be inefficient with lots of database tables because of maybe_create_table() function,jamescollins,,"The {{{maybe_create_table()}}} function in {{{wp-admin/includes/upgrade.php}}} performs a {{{SHOW TABLES}}} query (which returns every table in the database) then loops over all of these to see if a the specified table exists.

WPMU was recently modified to optimise this, and donncha has suggested that this fix be implemented in WP as well.

(See [http://trac.mu.wordpress.org/ticket/833 WPMU Trac Ticket #833] for more information)",defect (bug),closed,normal,2.8,Upgrade/Install,2.7,normal,fixed,,