Jarves\Propel\PropelHelper::updateSchema PHP Метод

    public function updateSchema($withDrop = false)
    {
        $sql = self::getSqlDiff($withDrop);
        if (is_array($sql)) {
            throw new \Exception("Propel updateSchema failed: \n" . $sql[0]);
        }
        if (!$sql) {
            return "Schema up 2 date.";
        }
        $sql = explode(";\n", $sql);
        $this->loadConfig();
        $con = Propel::getWriteConnection('default');
        $tablePrefix = $this->getJarves()->getSystemConfig()->getDatabase()->getPrefix();
        $con->beginTransaction();
        try {
            foreach ($sql as $query) {
                if ($tablePrefix && 0 === strpos($query, 'DROP')) {
                    preg_match('/DROP ([^\\s]*) /', $query, $match);
                    if (isset($match[1]) && $match[1]) {
                        $tableName = preg_replace('/[^a-zA-Z0-9_]\\.\\$/', '', $match[1]);
                        if (false !== ($pos = strpos($tableName, '.'))) {
                            $tableName = substr($tableName, $pos + 1);
                        }
                        if (0 === strpos($tableName, $tablePrefix)) {
                            //tablePrefix is in this table name at the beginning, so jump over
                            continue;
                        }
                    }
                }
                $con->exec($query);
            }
        } catch (\PDOException $e) {
            $con->rollBack();
            throw new \PDOException($e->getMessage() . ' in SQL: ' . $query);
        }
        $con->commit();
        return 'ok';
    }