failFunction was marked as old in r14625

Please kill

I had a go in r71250 r71251 r71252 r71253

but got

MediaWiki internal error.

Original exception: exception 'DBQueryError' with message 'A database error has occurred
Query: SELECT page_id,page_namespace,page_title,page_restrictions,page_counter,page_is_redirect,page_is_new,page_random,page_touched,page_latest,page_len FROM 17page WHERE page_namespace = '0' AND page_title = 'Main_Page' LIMIT 1
Function: Article::pageData
Error: 1146 Table 'wikidb.17page' doesn't exist (localhost)
' in /home/reedy/mediawiki/trunk/phase3/includes/db/Database.php:548
Stack trace:
#0 /home/reedy/mediawiki/trunk/phase3/includes/db/Database.php(511): DatabaseBase->reportQueryError('Table 'wikidb.1...', 1146, 'SELECT page_id...', 'Article::pageDa...', false)
#1 /home/reedy/mediawiki/trunk/phase3/includes/db/Database.php(845): DatabaseBase->query('SELECT page_id...', 'Article::pageDa...')
#2 /home/reedy/mediawiki/trunk/phase3/includes/db/Database.php(925): DatabaseBase->select('page', Array, Array, 'Article::pageDa...', Array, Array)
#3 /home/reedy/mediawiki/trunk/phase3/includes/Article.php(430): DatabaseBase->selectRow('page', Array, Array, 'Article::pageDa...')
#4 /home/reedy/mediawiki/trunk/phase3/includes/Article.php(448): Article->pageData(Object(DatabaseMysql), Array)
#5 /home/reedy/mediawiki/trunk/phase3/includes/Wiki.php(329): Article->pageDataFromTitle(Object(DatabaseMysql), Object(Title))
#6 /home/reedy/mediawiki/trunk/phase3/includes/Wiki.php(66): MediaWiki->initializeArticle(Object(Title), Object(OutputPage), Object(WebRequest))
#7 /home/reedy/mediawiki/trunk/phase3/index.php(115): MediaWiki->performRequestForTitle(Object(Title), NULL, Object(OutputPage), Object(User), Object(WebRequest))
#8 {main}

Exception caught inside exception handler: exception 'DBQueryError' with message 'A database error has occurred
Query: SELECT value,exptime FROM 17objectcache WHERE keyname = 'wikidb-mw_:messages:en' LIMIT 1
Function: SqlBagOStuff::get
Error: 1146 Table 'wikidb.17objectcache' doesn't exist (localhost)
' in /home/reedy/mediawiki/trunk/phase3/includes/db/Database.php:548
Stack trace:
#0 /home/reedy/mediawiki/trunk/phase3/includes/db/Database.php(511): DatabaseBase->reportQueryError('Table 'wikidb.1...', 1146, 'SELECT value,e...', 'SqlBagOStuff::g...', false)
#1 /home/reedy/mediawiki/trunk/phase3/includes/db/Database.php(845): DatabaseBase->query('SELECT value,e...', 'SqlBagOStuff::g...')
#2 /home/reedy/mediawiki/trunk/phase3/includes/db/Database.php(925): DatabaseBase->select('objectcache', Array, Array, 'SqlBagOStuff::g...', Array, Array)
#3 /home/reedy/mediawiki/trunk/phase3/includes/BagOStuff.php(263): DatabaseBase->selectRow('objectcache', Array, Array, 'SqlBagOStuff::g...')
#4 /home/reedy/mediawiki/trunk/phase3/includes/MessageCache.php(252): SqlBagOStuff->get('wikidb-mw_:mess...')
#5 /home/reedy/mediawiki/trunk/phase3/includes/MessageCache.php(595): MessageCache->load('en')
#6 /home/reedy/mediawiki/trunk/phase3/includes/MessageCache.php(534): MessageCache->getMsgFromNamespace('Databaseerror', 'en')
#7 [internal function]: MessageCache->get('databaseerror', true, false)
#8 /home/reedy/mediawiki/trunk/phase3/includes/StubObject.php(58): call_user_func_array(Array, Array)
#9 /home/reedy/mediawiki/trunk/phase3/includes/StubObject.php(76): StubObject->_call('get', Array)
#10 [internal function]: StubObject->__call('get', Array)
#11 /home/reedy/mediawiki/trunk/phase3/includes/GlobalFunctions.php(753): StubObject->get('databaseerror', true, false)
#12 /home/reedy/mediawiki/trunk/phase3/includes/GlobalFunctions.php(716): wfMsgGetKey('databaseerror', true, false, true)
#13 /home/reedy/mediawiki/trunk/phase3/includes/Exception.php(82): wfMsgReal('databaseerror', Array)
#14 /home/reedy/mediawiki/trunk/phase3/includes/db/Database.php(2697): MWException->msg('databaseerror', 'Database error')
#15 /home/reedy/mediawiki/trunk/phase3/includes/Exception.php(216): DBQueryError->getPageTitle()
#16 /home/reedy/mediawiki/trunk/phase3/includes/Exception.php(179): MWException->htmlHeader()
#17 /home/reedy/mediawiki/trunk/phase3/includes/Exception.php(198): MWException->reportHTML()
#18 /home/reedy/mediawiki/trunk/phase3/includes/Exception.php(298): MWException->report()
#19 /home/reedy/mediawiki/trunk/phase3/includes/Exception.php(360): wfReportException(Object(DBQueryError))
#20 [internal function]: wfExceptionHandler(Object(DBQueryError))
#21 {main}

Seems to be breaking prefixes

Error: 1146 Table 'wikidb.17objectcache' doesn't exist (localhost)

should be mw_

Version: 1.15.x
Severity: enhancement