root@lcserv:/srv/www/servhome# php maintenance/update.php
MediaWiki 1.19alpha Updater

Going to run database updates for servhome-mw_
Depending on the size of your database this may take a while!
Abort with control-c in the next five seconds (skip this countdown with --quick) ... 0
...ipblocks table does not exist, skipping new field patch.
...ipblocks table does not exist, skipping new field patch.
Creating interwiki table...PHP Warning:  Invalid argument supplied for foreach() in /srv/www/servhome/includes/cache/MessageCache.php on line 413
PHP Warning:  Invalid argument supplied for foreach() in /srv/www/servhome/includes/cache/MessageCache.php on line 430
A database query syntax error has occurred.
The last attempted database query was:
"CREATE TABLE `mw_interwiki` (
 iw_prefix varchar(32) NOT NULL,
 iw_url blob NOT NULL,
 iw_local BOOL NOT NULL,
 UNIQUE KEY iw_prefix (iw_prefix)
 ) ENGINE=InnoDB, DEFAULT CHARSET=binary
"
from within function "DatabaseBase::sourceFile( /srv/www/servhome/maintenance/archives/patch-interwiki.sql )".
Database returned error "1050: Table 'mw_interwiki' already exists (localhost)"