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<?php
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/**
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* UpgradeHelper.php
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*
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* @category Core
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* @package Core_Upgrade
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* @copyright Werner v.d.Decken <wkl@isteam.de>
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* @author Werner v.d.Decken <wkl@isteam.de>
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* @license http://www.gnu.org/licenses/gpl.html GPL License
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* @version 0.0.1
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* @revision $Revision: $
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* @link $HeadURL: $
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* @lastmodified $Date: $
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* @since File available since 17.03.2013
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* @description some helper function for upgrade-script.php
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*/
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class UpgradeHelper {
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/**
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* Compare available tables against a list of tables
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* @param array list of needed table names without TablePrefix
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* @return array list of missing tables
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* @description this method is the replaement for self::existsAllTables()
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*/
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public static function getMissingTables(array $aTablesList)
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{
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$aTablesList = array_flip($aTablesList);
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$oDb = WbDatabase::getInstance();
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$sPattern = addcslashes ( $oDb->TablePrefix, '%_' );
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if(($oTables = $oDb->query( 'SHOW TABLES LIKE "'.$sPattern.'%"'))) {
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while($aTable = $oTables->fetchRow(MYSQL_NUM)) {
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$sTable = preg_replace('/^'.preg_quote($oDb->TablePrefix, '/').'/s', '', $aTable[0]);
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if(isset($aTablesList[$sTable])) {
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unset($aTablesList[$sTable]);
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}
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}
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}
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return array_flip($aTablesList);
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}
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/**
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* Alias for self::getMissingTables()
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* @param array list of needed table names without TablePrefix
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* @return array list of missing tables
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*/
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public static function existsAllTables(array $aTablesList)
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{
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return self::getMissingTables($aTablesList);
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}
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} // end of class UpgradeHelper
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