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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) 2008, EllisLab, Inc. |
* @license http://codeigniter.com/user_guide/license.html |
* @link http://codeigniter.com |
* @since Version 1.0 |
* @filesource |
*/ |
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// ------------------------------------------------------------------------ |
|
/** |
* 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 { |
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var $stmt_id; |
var $curs_id; |
var $limit_used; |
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/** |
* 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($this->stmt_id); |
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if ($this->curs_id) |
{ |
@ociexecute($this->curs_id); |
} |
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return $rowcount; |
} |
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// -------------------------------------------------------------------- |
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/** |
* Number of fields in the result set |
* |
* @access public |
* @return integer |
*/ |
function num_fields() |
{ |
$count = @ocinumcols($this->stmt_id); |
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// if we used a limit we subtract it |
if ($this->limit_used) |
{ |
$count = $count - 1; |
} |
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return $count; |
} |
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// -------------------------------------------------------------------- |
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/** |
* 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; |
} |
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// -------------------------------------------------------------------- |
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/** |
* 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, $c); |
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$retval[] = $F; |
} |
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return $retval; |
} |
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// -------------------------------------------------------------------- |
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/** |
* Free the result |
* |
* @return null |
*/ |
function free_result() |
{ |
if (is_resource($this->result_id)) |
{ |
ocifreestatement($this->result_id); |
$this->result_id = FALSE; |
} |
} |
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// -------------------------------------------------------------------- |
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/** |
* Result - associative array |
* |
* Returns the result set as an array |
* |
* @access private |
* @return array |
*/ |
function _fetch_assoc(&$row) |
{ |
$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id; |
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return ocifetchinto($id, $row, OCI_ASSOC + OCI_RETURN_NULLS); |
} |
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// -------------------------------------------------------------------- |
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/** |
* Result - object |
* |
* Returns the result set as an object |
* |
* @access private |
* @return object |
*/ |
function _fetch_object() |
{ |
$result = array(); |
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// 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 : $this->stmt_id; |
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return @oci_fetch_object($id); |
} |
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// 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 = $val; |
} |
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$result[] = $obj; |
} |
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return $result; |
} |
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// -------------------------------------------------------------------- |
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/** |
* Query result. "array" version. |
* |
* @access public |
* @return array |
*/ |
function result_array() |
{ |
if (count($this->result_array) > 0) |
{ |
return $this->result_array; |
} |
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// 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; |
} |
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return $this->result_array; |
} |
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// -------------------------------------------------------------------- |
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/** |
* Data Seek |
* |
* Moves the internal pointer to the desired offset. We call |
* this internally before fetching results to make sure the |
* result set starts at zero |
* |
* @access private |
* @return array |
*/ |
function _data_seek($n = 0) |
{ |
return FALSE; // Not needed |
} |
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} |
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/* End of file oci8_result.php */ |
/* Location: ./system/database/drivers/oci8/oci8_result.php */ |