228 行
		
	
	
		
			无行尾
		
	
	
		
			4.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			228 行
		
	
	
		
			无行尾
		
	
	
		
			4.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 | |
| /**
 | |
|  * CodeIgniter
 | |
|  *
 | |
|  * An open source application development framework for PHP 5.1.6 or newer
 | |
|  *
 | |
|  * @package		CodeIgniter
 | |
|  * @author		ExpressionEngine Dev Team
 | |
|  * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc.
 | |
|  * @license		http://codeigniter.com/user_guide/license.html
 | |
|  * @link		http://codeigniter.com
 | |
|  * @since		Version 1.0
 | |
|  * @filesource
 | |
|  */
 | |
| 
 | |
| // ------------------------------------------------------------------------
 | |
| 
 | |
| /**
 | |
|  * ODBC Result Class
 | |
|  *
 | |
|  * This class extends the parent result class: CI_DB_result
 | |
|  *
 | |
|  * @category	Database
 | |
|  * @author		ExpressionEngine Dev Team
 | |
|  * @link		http://codeigniter.com/user_guide/database/
 | |
|  */
 | |
| class CI_DB_odbc_result extends CI_DB_result {
 | |
| 
 | |
| 	/**
 | |
| 	 * Number of rows in the result set
 | |
| 	 *
 | |
| 	 * @access	public
 | |
| 	 * @return	integer
 | |
| 	 */
 | |
| 	function num_rows()
 | |
| 	{
 | |
| 		return @odbc_num_rows($this->result_id);
 | |
| 	}
 | |
| 
 | |
| 	// --------------------------------------------------------------------
 | |
| 
 | |
| 	/**
 | |
| 	 * Number of fields in the result set
 | |
| 	 *
 | |
| 	 * @access	public
 | |
| 	 * @return	integer
 | |
| 	 */
 | |
| 	function num_fields()
 | |
| 	{
 | |
| 		return @odbc_num_fields($this->result_id);
 | |
| 	}
 | |
| 
 | |
| 	// --------------------------------------------------------------------
 | |
| 
 | |
| 	/**
 | |
| 	 * Fetch Field Names
 | |
| 	 *
 | |
| 	 * Generates an array of column names
 | |
| 	 *
 | |
| 	 * @access	public
 | |
| 	 * @return	array
 | |
| 	 */
 | |
| 	function list_fields()
 | |
| 	{
 | |
| 		$field_names = array();
 | |
| 		for ($i = 0; $i < $this->num_fields(); $i++)
 | |
| 		{
 | |
| 			$field_names[]	= odbc_field_name($this->result_id, $i);
 | |
| 		}
 | |
| 
 | |
| 		return $field_names;
 | |
| 	}
 | |
| 
 | |
| 	// --------------------------------------------------------------------
 | |
| 
 | |
| 	/**
 | |
| 	 * Field data
 | |
| 	 *
 | |
| 	 * Generates an array of objects containing field meta-data
 | |
| 	 *
 | |
| 	 * @access	public
 | |
| 	 * @return	array
 | |
| 	 */
 | |
| 	function field_data()
 | |
| 	{
 | |
| 		$retval = array();
 | |
| 		for ($i = 0; $i < $this->num_fields(); $i++)
 | |
| 		{
 | |
| 			$F				= new stdClass();
 | |
| 			$F->name		= odbc_field_name($this->result_id, $i);
 | |
| 			$F->type		= odbc_field_type($this->result_id, $i);
 | |
| 			$F->max_length	= odbc_field_len($this->result_id, $i);
 | |
| 			$F->primary_key = 0;
 | |
| 			$F->default		= '';
 | |
| 
 | |
| 			$retval[] = $F;
 | |
| 		}
 | |
| 
 | |
| 		return $retval;
 | |
| 	}
 | |
| 
 | |
| 	// --------------------------------------------------------------------
 | |
| 
 | |
| 	/**
 | |
| 	 * Free the result
 | |
| 	 *
 | |
| 	 * @return	null
 | |
| 	 */
 | |
| 	function free_result()
 | |
| 	{
 | |
| 		if (is_resource($this->result_id))
 | |
| 		{
 | |
| 			odbc_free_result($this->result_id);
 | |
| 			$this->result_id = FALSE;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// --------------------------------------------------------------------
 | |
| 
 | |
| 	/**
 | |
| 	 * Data Seek
 | |
| 	 *
 | |
| 	 * Moves the internal pointer to the desired offset.  We call
 | |
| 	 * this internally before fetching results to make sure the
 | |
| 	 * result set starts at zero
 | |
| 	 *
 | |
| 	 * @access	private
 | |
| 	 * @return	array
 | |
| 	 */
 | |
| 	function _data_seek($n = 0)
 | |
| 	{
 | |
| 		return FALSE;
 | |
| 	}
 | |
| 
 | |
| 	// --------------------------------------------------------------------
 | |
| 
 | |
| 	/**
 | |
| 	 * Result - associative array
 | |
| 	 *
 | |
| 	 * Returns the result set as an array
 | |
| 	 *
 | |
| 	 * @access	private
 | |
| 	 * @return	array
 | |
| 	 */
 | |
| 	function _fetch_assoc()
 | |
| 	{
 | |
| 		if (function_exists('odbc_fetch_object'))
 | |
| 		{
 | |
| 			return odbc_fetch_array($this->result_id);
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			return $this->_odbc_fetch_array($this->result_id);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// --------------------------------------------------------------------
 | |
| 
 | |
| 	/**
 | |
| 	 * Result - object
 | |
| 	 *
 | |
| 	 * Returns the result set as an object
 | |
| 	 *
 | |
| 	 * @access	private
 | |
| 	 * @return	object
 | |
| 	 */
 | |
| 	function _fetch_object()
 | |
| 	{
 | |
| 		if (function_exists('odbc_fetch_object'))
 | |
| 		{
 | |
| 			return odbc_fetch_object($this->result_id);
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			return $this->_odbc_fetch_object($this->result_id);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 
 | |
| 	/**
 | |
| 	 * Result - object
 | |
| 	 *
 | |
| 	 * subsititutes the odbc_fetch_object function when
 | |
| 	 * not available (odbc_fetch_object requires unixODBC)
 | |
| 	 *
 | |
| 	 * @access	private
 | |
| 	 * @return	object
 | |
| 	 */
 | |
| 	function _odbc_fetch_object(& $odbc_result) {
 | |
| 		$rs = array();
 | |
| 		$rs_obj = FALSE;
 | |
| 		if (odbc_fetch_into($odbc_result, $rs)) {
 | |
| 			foreach ($rs as $k=>$v) {
 | |
| 				$field_name= odbc_field_name($odbc_result, $k+1);
 | |
| 				$rs_obj->$field_name = $v;
 | |
| 			}
 | |
| 		}
 | |
| 		return $rs_obj;
 | |
| 	}
 | |
| 
 | |
| 
 | |
| 	/**
 | |
| 	 * Result - array
 | |
| 	 *
 | |
| 	 * subsititutes the odbc_fetch_array function when
 | |
| 	 * not available (odbc_fetch_array requires unixODBC)
 | |
| 	 *
 | |
| 	 * @access	private
 | |
| 	 * @return	array
 | |
| 	 */
 | |
| 	function _odbc_fetch_array(& $odbc_result) {
 | |
| 		$rs = array();
 | |
| 		$rs_assoc = FALSE;
 | |
| 		if (odbc_fetch_into($odbc_result, $rs)) {
 | |
| 			$rs_assoc=array();
 | |
| 			foreach ($rs as $k=>$v) {
 | |
| 				$field_name= odbc_field_name($odbc_result, $k+1);
 | |
| 				$rs_assoc[$field_name] = $v;
 | |
| 			}
 | |
| 		}
 | |
| 		return $rs_assoc;
 | |
| 	}
 | |
| 
 | |
| }
 | |
| 
 | |
| 
 | |
| /* End of file odbc_result.php */
 | |
| /* Location: ./system/database/drivers/odbc/odbc_result.php */ |