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<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2006, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* oci8 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_oci8_result extends CI_DB_result {
var $stmt_id;
var $curs_id;
var $limit_used;
/**
* Number of rows in the result set.
*
* Oracle doesn't have a graceful way to retun the number of rows
* so we have to use what amounts to a hack.
*
*
* @access public
* @return integer
*/
function num_rows()
{
$rowcount = count($this->result_array());
@ociexecute($this->stmt_id);
if ($this->curs_id)
{
@ociexecute($this->curs_id);
}
return $rowcount;
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
$count = @ocinumcols($this->stmt_id);
// if we used a limit we subtract it
if ($this->limit_used)
{
$count = $count - 1;
}
return $count;
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
$field_names = array();
$fieldCount = $this->num_fields();
for ($c = 1; $c <= $fieldCount; $c++)
{
$field_names[] = ocicolumnname($this->stmt_id, $c);
}
return $field_names;
}
// Deprecated
function field_names()
{
return $this->list_fields();
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
$fieldCount = $this->num_fields();
for ($c = 1; $c <= $fieldCount; $c++)
{
$F = new stdClass();
$F->name = ocicolumnname($this->stmt_id, $c);
$F->type = ocicolumntype($this->stmt_id, $c);
$F->max_length = ocicolumnsize($this->stmt_id, $c);
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if (is_resource($this->result_id))
{
ocifreestatement($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc(&$row)
{
$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
return ocifetchinto($id, $row, OCI_ASSOC + OCI_RETURN_NULLS);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
$result = array();
// If PHP 5 is being used we can fetch an result object
if (function_exists('oci_fetch_object'))
{
$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
return @oci_fetch_object($id);
}
// If PHP 4 is being used we have to build our own result
foreach ($this->result_array() as $key => $val)
{
$obj = new stdClass();
if (is_array($val))
{
foreach ($val as $k => $v)
{
$obj->$k = $v;
}
}
else
{
$obj->$key = $val;
}
$result[] = $obj;
}
return $result;
}
// --------------------------------------------------------------------
/**
* Query result. "array" version.
*
* @access public
* @return array
*/
function result_array()
{
if (count($this->result_array) > 0)
{
return $this->result_array;
}
// oracle's fetch functions do not return arrays.
// The information is returned in reference parameters
$row = NULL;
while ($this->_fetch_assoc($row))
{
$this->result_array[] = $row;
}
return $this->result_array;
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return FALSE; // Not needed
}
}
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