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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Test
  * @subpackage PHPUnit
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
  * @see Zend_Test_PHPUnit_Db_Connection
  */
 // require_once "Zend/Test/PHPUnit/Db/Connection.php";
 
 /**
  * Operation for Truncating on setup or teardown of a database tester.
  *
  * @uses       PHPUnit_Extensions_Database_Operation_IDatabaseOperation
  * @category   Zend
  * @package    Zend_Test
  * @subpackage PHPUnit
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Test_PHPUnit_Db_Operation_Truncate implements PHPUnit_Extensions_Database_Operation_IDatabaseOperation
 {
     /**
      *
      * @param PHPUnit_Extensions_Database_DB_IDatabaseConnection $connection
      * @param PHPUnit_Extensions_Database_DataSet_IDataSet $dataSet
      * @return void
      */
     public function execute(PHPUnit_Extensions_Database_DB_IDatabaseConnection $connection, PHPUnit_Extensions_Database_DataSet_IDataSet $dataSet)
     {
         if(!($connection instanceof Zend_Test_PHPUnit_Db_Connection)) {
             // require_once "Zend/Test/PHPUnit/Db/Exception.php";
             throw new Zend_Test_PHPUnit_Db_Exception("Not a valid Zend_Test_PHPUnit_Db_Connection instance, ".get_class($connection)." given!");
         }
 
         foreach ($dataSet->getReverseIterator() AS $table) {
             try {
                 $tableName = $table->getTableMetaData()->getTableName();
                 $this->_truncate($connection->getConnection(), $tableName);
             } catch (Exception $e) {
                 throw new PHPUnit_Extensions_Database_Operation_Exception('TRUNCATE', 'TRUNCATE '.$tableName.'', array(), $table, $e->getMessage());
             }
         }
     }
 
     /**
      * Truncate a given table.
      *
      * @param Zend_Db_Adapter_Abstract $db
      * @param string $tableName
      * @return void
      */
     protected function _truncate(Zend_Db_Adapter_Abstract $db, $tableName)
     {
         $tableName = $db->quoteIdentifier($tableName, true);
         if($db instanceof Zend_Db_Adapter_Pdo_Sqlite) {
             $db->query('DELETE FROM '.$tableName);
         } else if($db instanceof Zend_Db_Adapter_Db2) {
             /*if(strstr(PHP_OS, "WIN")) {
                 $file = tempnam(sys_get_temp_dir(), "zendtestdbibm_");
                 file_put_contents($file, "");
                 $db->query('IMPORT FROM '.$file.' OF DEL REPLACE INTO '.$tableName);
                 unlink($file);
             } else {
                 $db->query('IMPORT FROM /dev/null OF DEL REPLACE INTO '.$tableName);
             }*/
             // require_once "Zend/Exception.php";
             throw Zend_Exception("IBM Db2 TRUNCATE not supported.");
         } else if($this->_isMssqlOrOracle($db)) {
             $db->query('TRUNCATE TABLE '.$tableName);
         } else if($db instanceof Zend_Db_Adapter_Pdo_Pgsql) {
             $db->query('TRUNCATE '.$tableName.' CASCADE');
         } else {
             $db->query('TRUNCATE '.$tableName);
         }
     }
 
     /**
      * Detect if an adapter is for Mssql or Oracle Databases.
      *
      * @param  Zend_Db_Adapter_Abstract $db
      * @return bool
      */
     private function _isMssqlOrOracle($db)
     {
         return (
             $db instanceof Zend_Db_Adapter_Pdo_Mssql ||
             $db instanceof Zend_Db_Adapter_Sqlsrv ||
             $db instanceof Zend_Db_Adapter_Pdo_Oci ||
             $db instanceof Zend_Db_Adapter_Oracle
         );
     }
 }