268 lines
6.2 KiB
PHP
268 lines
6.2 KiB
PHP
<?php
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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
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*
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* This content is released under the MIT License (MIT)
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*
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* Copyright (c) 2014 - 2016, British Columbia Institute of Technology
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @package CodeIgniter
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* @author EllisLab Dev Team
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* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
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* @copyright Copyright (c) 2014 - 2016, British Columbia Institute of Technology (http://bcit.ca/)
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* @license http://opensource.org/licenses/MIT MIT License
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* @link https://codeigniter.com
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* @since Version 1.3.0
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* @filesource
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*/
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defined('BASEPATH') OR exit('No direct script access allowed');
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/**
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* ODBC 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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* @package CodeIgniter
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* @subpackage Drivers
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* @category Database
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* @author EllisLab Dev Team
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* @link https://codeigniter.com/user_guide/database/
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*/
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class CI_DB_odbc_result extends CI_DB_result {
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/**
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* Number of rows in the result set
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*
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* @return int
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*/
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public function num_rows()
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{
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if (is_int($this->num_rows))
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{
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return $this->num_rows;
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}
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elseif (($this->num_rows = odbc_num_rows($this->result_id)) !== -1)
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{
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return $this->num_rows;
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}
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// Work-around for ODBC subdrivers that don't support num_rows()
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if (count($this->result_array) > 0)
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{
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return $this->num_rows = count($this->result_array);
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}
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elseif (count($this->result_object) > 0)
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{
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return $this->num_rows = count($this->result_object);
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}
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return $this->num_rows = count($this->result_array());
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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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* @return int
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*/
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public function num_fields()
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{
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return odbc_num_fields($this->result_id);
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}
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// --------------------------------------------------------------------
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/**
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* Fetch Field Names
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*
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* Generates an array of column names
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*
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* @return array
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*/
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public function list_fields()
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{
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$field_names = array();
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$num_fields = $this->num_fields();
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if ($num_fields > 0)
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{
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for ($i = 1; $i <= $num_fields; $i++)
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{
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$field_names[] = odbc_field_name($this->result_id, $i);
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}
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}
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return $field_names;
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}
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// --------------------------------------------------------------------
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/**
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* Field data
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*
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* Generates an array of objects containing field meta-data
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*
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* @return array
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*/
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public function field_data()
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{
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$retval = array();
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for ($i = 0, $odbc_index = 1, $c = $this->num_fields(); $i < $c; $i++, $odbc_index++)
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{
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$retval[$i] = new stdClass();
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$retval[$i]->name = odbc_field_name($this->result_id, $odbc_index);
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$retval[$i]->type = odbc_field_type($this->result_id, $odbc_index);
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$retval[$i]->max_length = odbc_field_len($this->result_id, $odbc_index);
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$retval[$i]->primary_key = 0;
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$retval[$i]->default = '';
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}
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return $retval;
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}
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// --------------------------------------------------------------------
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/**
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* Free the result
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*
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* @return void
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*/
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public function free_result()
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{
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if (is_resource($this->result_id))
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{
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odbc_free_result($this->result_id);
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$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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* @return array
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*/
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protected function _fetch_assoc()
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{
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return odbc_fetch_array($this->result_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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* @param string $class_name
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* @return object
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*/
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protected function _fetch_object($class_name = 'stdClass')
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{
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$row = odbc_fetch_object($this->result_id);
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if ($class_name === 'stdClass' OR ! $row)
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{
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return $row;
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}
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$class_name = new $class_name();
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foreach ($row as $key => $value)
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{
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$class_name->$key = $value;
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}
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return $class_name;
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}
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}
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// --------------------------------------------------------------------
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if ( ! function_exists('odbc_fetch_array'))
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{
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/**
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* ODBC Fetch array
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*
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* Emulates the native odbc_fetch_array() function when
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* it is not available (odbc_fetch_array() requires unixODBC)
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*
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* @param resource &$result
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* @param int $rownumber
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* @return array
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*/
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function odbc_fetch_array(&$result, $rownumber = 1)
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{
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$rs = array();
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if ( ! odbc_fetch_into($result, $rs, $rownumber))
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{
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return FALSE;
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}
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$rs_assoc = array();
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foreach ($rs as $k => $v)
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{
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$field_name = odbc_field_name($result, $k+1);
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$rs_assoc[$field_name] = $v;
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}
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return $rs_assoc;
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}
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}
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// --------------------------------------------------------------------
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if ( ! function_exists('odbc_fetch_object'))
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{
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/**
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* ODBC Fetch object
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*
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* Emulates the native odbc_fetch_object() function when
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* it is not available.
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*
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* @param resource &$result
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* @param int $rownumber
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* @return object
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*/
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function odbc_fetch_object(&$result, $rownumber = 1)
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{
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$rs = array();
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if ( ! odbc_fetch_into($result, $rs, $rownumber))
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{
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return FALSE;
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}
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$rs_object = new stdClass();
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foreach ($rs as $k => $v)
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{
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$field_name = odbc_field_name($result, $k+1);
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$rs_object->$field_name = $v;
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}
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return $rs_object;
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}
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}
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