[wp-trac] [WordPress Trac] #16455: if MULTISITE constant not defined error message "One or more database tables are unavailable" or "Error establishing a database connection" appears

[WordPress Trac]

#16455: if MULTISITE constant not defined error message "One or more database
tables are unavailable" or "Error establishing a database connection"
appears
--------------------------+------------------------------
 Reporter:  Axel_germany  |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:  3.0.4
 Severity:  normal        |  Resolution:
 Keywords:                |
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Comment (by markjaquith):

 WordPress should never be treating MULTISITE as a boolean without testing
 first to see if it is defined.

 Additionally, in the case of a non-multisite install, we define it to be
 false.

 {{{
 // Initialize multisite if enabled.
 if ( is_multisite() ) {
         require( ABSPATH . WPINC . '/ms-blogs.php' );
         require( ABSPATH . WPINC . '/ms-settings.php' );
 } elseif ( ! defined( 'MULTISITE' ) ) {
         define( 'MULTISITE', false );
 }
 }}}

 Going to need more information here. Literally millions of people are
 running 3.0.4 with no MULTISITE constant defined at all. Something else
 must be going on.

-- 
Ticket URL: <http://core.trac.wordpress.org/ticket/16455#comment:1>
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