<?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 */ // ------------------------------------------------------------------------ /** * 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; } // -------------------------------------------------------------------- /** * 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 } } /* End of file oci8_result.php */ /* Location: ./system/database/drivers/oci8/oci8_result.php */