<?php
  /*
   *  $Id: Interface.php 3882 2008-02-22 18:11:35Z jwage $
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   * This software consists of voluntary contributions made by many individuals
   * and is licensed under the MIT license. For more information, see
   * <http://www.doctrine-project.org>.
   */
  
  namespace Doctrine\DBAL\Driver;
  
  /**
   * The PDO implementation of the Statement interface.
   * Used by all PDO-based drivers.
   *
   * @since 2.0
   */
  class PDOStatement extends \PDOStatement implements Statement
  {
      private function __construct() {}
  
      public function setFetchMode($fetchMode, $arg2 = null, $arg3 = null)
      {
          // This thin wrapper is necessary to shield against the weird signature
          // of PDOStatement::setFetchMode(): even if the second and third
          // parameters are optional, PHP will not let us remove it from this
          // declaration.
          if ($arg2 === null && $arg3 === null) {
              return parent::setFetchMode($fetchMode);
          }
  
          if ($arg3 === null) {
              return parent::setFetchMode($fetchMode, $arg2);
          }
  
          return parent::setFetchMode($fetchMode, $arg2, $arg3);
      }
  }