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   1  <?php
   2  /*
   3   *  $Id: MSSQLStatement.php,v 1.4 2004/06/13 02:31:07 hlellelid Exp $
   4   *
   5   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   6   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   7   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   8   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   9   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  10   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  11   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  12   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  13   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  14   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  15   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  16   *
  17   * This software consists of voluntary contributions made by many individuals
  18   * and is licensed under the LGPL. For more information please see
  19   * <http://creole.phpdb.org>.
  20   */
  21  
  22  require_once 'creole/common/StatementCommon.php';
  23  require_once 'creole/Statement.php';
  24  
  25  /**
  26   * Class that contains MSSQL functionality for Statements.
  27   * 
  28   * @author   Hans Lellelid <hans@xmpl.org>
  29   * @version  $Revision: 1.4 $
  30   * @package  creole.drivers.mssql
  31   */
  32  class MSSQLStatement extends StatementCommon implements Statement {
  33      
  34      /**
  35       * Executes the SQL query in this PreparedStatement object and returns the resultset generated by the query.
  36       * 
  37       * @param string $sql This method may optionally be called with the SQL statement.
  38       * @param int $fetchmode The mode to use when fetching the results (e.g. ResultSet::FETCHMODE_NUM, ResultSet::FETCHMODE_ASSOC).
  39       * @return object Creole::ResultSet
  40       * @throws SQLException If there is an error executing the specified query.
  41       */
  42      public function executeQuery($sql, $fetchmode = null)
  43      {
  44          $this->updateCount = null;                
  45          $this->resultSet = $this->conn->executeQuery($sql, $fetchmode);
  46          $this->resultSet->_setOffset($this->offset);
  47          $this->resultSet->_setLimit($this->limit);
  48          return $this->resultSet;
  49      }
  50  
  51  
  52      /**
  53       * Gets next result set (if this behavior is supported by driver).
  54       * Some drivers (e.g. MSSQL) support returning multiple result sets -- e.g.
  55       * from stored procedures.
  56       *
  57       * This function also closes any current restult set.
  58       *
  59       * Default behavior is for this function to return false.  Driver-specific
  60       * implementations of this class can override this method if they actually
  61       * support multiple result sets.
  62       * 
  63       * @return boolean True if there is another result set, otherwise false.
  64       */
  65      public function getMoreResults()
  66      {
  67          if ($this->resultSet) $this->resultSet->close();        
  68          $this->resultSet = null;
  69          return false;        
  70      }
  71           
  72  }