MediaWiki r13105 - Code Review

Index: trunk/phase3/includes/Image.php
===================================================================
--- trunk/phase3/includes/Image.php	(revision 13104)
+++ trunk/phase3/includes/Image.php	(revision 13105)
@@ -1244,6 +1244,10 @@
 	}
 
 	function checkDBSchema(&$db) {
+                global $wgCheckDBSchema;
+		if (!$wgCheckDBSchema) {
+			return;
+		}
 		# img_name must be unique
 		if ( !$db->indexUnique( 'image', 'img_name' ) && !$db->indexExists('image','PRIMARY') ) {
 			wfDebugDieBacktrace( 'Database schema not up to date, please run maintenance/archives/patch-image_name_unique.sql' );
Index: trunk/phase3/includes/DefaultSettings.php
===================================================================
--- trunk/phase3/includes/DefaultSettings.php	(revision 13104)
+++ trunk/phase3/includes/DefaultSettings.php	(revision 13105)
@@ -432,6 +432,8 @@
 $wgDBschema	    = 'mediawiki';
 /**#@-*/
 
+/** Live high performance sites should disable this - some checks acquire giant mysql locks */
+$wgCheckDBSchema = true;
 
 
 /**