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<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
* Code Igniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author Rick Ellis
* @copyright Copyright (c) 2006, pMachine, Inc.
* @license http://www.codeignitor.com/user_guide/license.html
* @link http://www.codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* oci8 Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author Rick Ellis
* @link http://www.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
*
* @access public
* @return integer
*/
function num_rows()
{
// get the results, count them,
// rerun query - otherwise we
// won't have data after calling
// num_rows()
$this->result_array();
$rowcount = count($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 added a field,
// subtract it out
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)
{
// if pulling from a cursor, use curs_id
if ($this->curs_id)
{
return ocifetchinto($this->curs_id, $row, OCI_ASSOC + OCI_RETURN_NULLS);
}
else
{
return ocifetchinto($this->stmt_id, $row, OCI_ASSOC + OCI_RETURN_NULLS);
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
// the PHP 4 version of the oracle functions do not
// have a fetch method so we call the array version
// and build an object from that
$row = array();
$res = $this->_fetch_assoc($row);
if ($res != FALSE)
{
$obj = new stdClass();
foreach ($row as $key => $value)
{
$obj->{$key} = $value;
}
$res = $obj;
}
return $res;
}
// --------------------------------------------------------------------
/**
* Query result. "array" version.
*
* @access public
* @return array
*/
function result_array()
{
if (count($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[] = $row;
}
if (count($this->result_array) == 0)
{
return FALSE;
}
return $this->result_array;
}
}
?>
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