getDatabasePlatform()-> getConcatExpression( '\'{DAV:}\'', '`propertyname`' ); $query = OC_DB::prepare(' UPDATE `*PREFIX*properties` SET `propertyname` = ' . $concat . ' WHERE `propertyname` NOT LIKE \'{%\' '); $query->execute(); } //update from OC 3 //try to remove remaining files. //Give a warning if not possible $filesToRemove = array( 'ajax', 'appinfo', 'css', 'js', 'l10n', 'templates', 'admin.php', 'download.php', 'index.php', 'settings.php' ); foreach($filesToRemove as $file) { $filepath = OC::$SERVERROOT . '/files/' . $file; if(!file_exists($filepath)) { continue; } $success = OCP\Files::rmdirr($filepath); if($success === false) { //probably not sufficient privileges, give up and give a message. OCP\Util::writeLog('files', 'Could not clean /files/ directory.' .' Please remove everything except webdav.php from ' . OC::$SERVERROOT . '/files/', OCP\Util::ERROR); break; } }