169 行
		
	
	
		
			无行尾
		
	
	
		
			3.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			169 行
		
	
	
		
			无行尾
		
	
	
		
			3.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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/**
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 * CodeIgniter
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 *
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 * An open source application development framework for PHP 5.1.6 or newer
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 *
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 * @package		CodeIgniter
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 * @author		ExpressionEngine Dev Team
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 * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc.
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 * @license		http://codeigniter.com/user_guide/license.html
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 * @link		http://codeigniter.com
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 * @since		Version 1.0
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 * @filesource
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 */
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// ------------------------------------------------------------------------
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/**
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 * MS SQL Result Class
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 *
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 * This class extends the parent result class: CI_DB_result
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 *
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 * @category	Database
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 * @author		ExpressionEngine Dev Team
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 * @link		http://codeigniter.com/user_guide/database/
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 */
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class CI_DB_mssql_result extends CI_DB_result {
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	/**
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	 * Number of rows in the result set
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	 *
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	 * @access	public
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	 * @return	integer
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	 */
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	function num_rows()
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	{
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		return @mssql_num_rows($this->result_id);
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	}
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	// --------------------------------------------------------------------
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	/**
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	 * Number of fields in the result set
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	 *
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	 * @access	public
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	 * @return	integer
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	 */
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	function num_fields()
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	{
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		return @mssql_num_fields($this->result_id);
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	}
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	// --------------------------------------------------------------------
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	/**
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	 * Fetch Field Names
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	 *
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	 * Generates an array of column names
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	 *
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	 * @access	public
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	 * @return	array
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	 */
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	function list_fields()
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	{
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		$field_names = array();
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		while ($field = mssql_fetch_field($this->result_id))
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		{
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			$field_names[] = $field->name;
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		}
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		return $field_names;
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	}
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	// --------------------------------------------------------------------
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	/**
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	 * Field data
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	 *
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	 * Generates an array of objects containing field meta-data
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	 *
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	 * @access	public
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	 * @return	array
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	 */
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	function field_data()
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	{
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		$retval = array();
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		while ($field = mssql_fetch_field($this->result_id))
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		{
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			$F				= new stdClass();
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			$F->name		= $field->name;
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			$F->type		= $field->type;
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			$F->max_length	= $field->max_length;
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			$F->primary_key = 0;
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			$F->default		= '';
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			$retval[] = $F;
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		}
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		return $retval;
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	}
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	// --------------------------------------------------------------------
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	/**
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	 * Free the result
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	 *
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	 * @return	null
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	 */
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	function free_result()
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	{
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		if (is_resource($this->result_id))
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		{
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			mssql_free_result($this->result_id);
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			$this->result_id = FALSE;
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		}
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	}
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	// --------------------------------------------------------------------
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	/**
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	 * Data Seek
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	 *
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	 * Moves the internal pointer to the desired offset.  We call
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	 * this internally before fetching results to make sure the
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	 * result set starts at zero
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	 *
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	 * @access	private
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	 * @return	array
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	 */
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	function _data_seek($n = 0)
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	{
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		return mssql_data_seek($this->result_id, $n);
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	}
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	// --------------------------------------------------------------------
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	/**
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	 * Result - associative array
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	 *
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	 * Returns the result set as an array
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	 *
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	 * @access	private
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	 * @return	array
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	 */
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	function _fetch_assoc()
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	{
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		return mssql_fetch_assoc($this->result_id);
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	}
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	// --------------------------------------------------------------------
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	/**
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	 * Result - object
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	 *
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	 * Returns the result set as an object
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	 *
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	 * @access	private
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	 * @return	object
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	 */
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	function _fetch_object()
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	{
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		return mssql_fetch_object($this->result_id);
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	}
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}
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/* End of file mssql_result.php */
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/* Location: ./system/database/drivers/mssql/mssql_result.php */ |