<?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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* oci8 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_oci8_result extends CI_DB_result {
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public $stmt_id;
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public $curs_id;
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public $limit_used;
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/**
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* Number of rows in the result set.
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*
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* Oracle doesn't have a graceful way to retun the number of rows
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* so we have to use what amounts to a hack.
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*
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* @return integer
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*/
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public function num_rows()
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{
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if ($this->num_rows === 0 && count($this->result_array()) > 0)
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{
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$this->num_rows = count($this->result_array());
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@oci_execute($this->stmt_id);
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if ($this->curs_id)
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{
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@oci_execute($this->curs_id);
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}
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}
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return $this->num_rows;
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}
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// --------------------------------------------------------------------
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/**
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* Number of fields in the result set
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*
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* @access public
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* @return integer
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*/
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public function num_fields()
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{
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$count = @oci_num_fields($this->stmt_id);
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// if we used a limit we subtract it
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if ($this->limit_used)
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{
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$count = $count - 1;
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}
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return $count;
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}
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// --------------------------------------------------------------------
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/**
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* Fetch Field Names
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*
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* Generates an array of column names
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*
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* @access public
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* @return array
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*/
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public function list_fields()
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{
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$field_names = array();
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for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++)
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{
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$field_names[] = oci_field_name($this->stmt_id, $c);
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}
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return $field_names;
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}
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// --------------------------------------------------------------------
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/**
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* Field data
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*
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* Generates an array of objects containing field meta-data
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*
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* @access public
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* @return array
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*/
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public function field_data()
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{
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$retval = array();
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for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++)
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{
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$F = new stdClass();
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$F->name = oci_field_name($this->stmt_id, $c);
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$F->type = oci_field_type($this->stmt_id, $c);
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$F->max_length = oci_field_size($this->stmt_id, $c);
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$retval[] = $F;
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}
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return $retval;
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}
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// --------------------------------------------------------------------
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/**
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* Free the result
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*
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* @return null
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*/
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public function free_result()
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{
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if (is_resource($this->result_id))
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{
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oci_free_statement($this->result_id);
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$this->result_id = FALSE;
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}
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}
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// --------------------------------------------------------------------
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/**
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* 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 protected
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* @return array
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*/
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protected function _fetch_assoc()
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{
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$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
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return oci_fetch_assoc($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 protected
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* @return object
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*/
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protected function _fetch_object()
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{
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$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
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return @oci_fetch_object($id);
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}
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// --------------------------------------------------------------------
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/**
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* Query result. "array" version.
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*
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* @access public
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* @return array
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*/
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public function result_array()
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{
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if (count($this->result_array) > 0)
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{
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return $this->result_array;
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}
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$row = NULL;
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while ($row = $this->_fetch_assoc())
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{
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$this->result_array[] = $row;
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}
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return $this->result_array;
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}
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// --------------------------------------------------------------------
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/**
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* Data Seek
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*
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* Moves the internal pointer to the desired offset. We call
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* this internally before fetching results to make sure the
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* result set starts at zero
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*
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* @access protected
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* @return array
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*/
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protected function _data_seek($n = 0)
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{
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return FALSE; // Not needed
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}
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}
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/* End of file oci8_result.php */
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/* Location: ./system/database/drivers/oci8/oci8_result.php */
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