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1 | <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); |
2 | /** | |
3 | * CodeIgniter | |
4 | * | |
5 | * An open source application development framework for PHP 5.1.6 or newer | |
6 | * | |
7 | * @package CodeIgniter | |
8 | * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. | |
9 | * @license http://codeigniter.com/user_guide/license.html | |
10 | * @author EllisLab Dev Team | |
11 | * @link http://codeigniter.com | |
12 | * @since Version 2.1.2 | |
13 | * @filesource | |
14 | */ | |
15 | ||
16 | // ------------------------------------------------------------------------ | |
17 | ||
18 | /** | |
19 | * PDO Result Class | |
20 | * | |
21 | * This class extends the parent result class: CI_DB_result | |
22 | * | |
23 | * @category Database | |
24 | * @author EllisLab Dev Team | |
25 | * @link http://codeigniter.com/user_guide/database/ | |
26 | */ | |
27 | class CI_DB_pdo_result extends CI_DB_result { | |
28 | ||
29 | public $num_rows; | |
30 | ||
31 | /** | |
32 | * Number of rows in the result set | |
33 | * | |
34 | * @return int | |
35 | */ | |
36 | public function num_rows() | |
37 | { | |
38 | if (is_int($this->num_rows)) | |
39 | { | |
40 | return $this->num_rows; | |
41 | } | |
42 | elseif (($this->num_rows = $this->result_id->rowCount()) > 0) | |
43 | { | |
44 | return $this->num_rows; | |
45 | } | |
46 | ||
47 | $this->num_rows = count($this->result_id->fetchAll()); | |
48 | $this->result_id->execute(); | |
49 | return $this->num_rows; | |
50 | } | |
51 | ||
52 | // -------------------------------------------------------------------- | |
53 | ||
54 | /** | |
55 | * Number of fields in the result set | |
56 | * | |
57 | * @access public | |
58 | * @return integer | |
59 | */ | |
60 | function num_fields() | |
61 | { | |
62 | return $this->result_id->columnCount(); | |
63 | } | |
64 | ||
65 | // -------------------------------------------------------------------- | |
66 | ||
67 | /** | |
68 | * Fetch Field Names | |
69 | * | |
70 | * Generates an array of column names | |
71 | * | |
72 | * @access public | |
73 | * @return array | |
74 | */ | |
75 | function list_fields() | |
76 | { | |
77 | if ($this->db->db_debug) | |
78 | { | |
79 | return $this->db->display_error('db_unsuported_feature'); | |
80 | } | |
81 | return FALSE; | |
82 | } | |
83 | ||
84 | // -------------------------------------------------------------------- | |
85 | ||
86 | /** | |
87 | * Field data | |
88 | * | |
89 | * Generates an array of objects containing field meta-data | |
90 | * | |
91 | * @access public | |
92 | * @return array | |
93 | */ | |
94 | function field_data() | |
95 | { | |
96 | $data = array(); | |
97 | ||
98 | try | |
99 | { | |
100 | for($i = 0; $i < $this->num_fields(); $i++) | |
101 | { | |
102 | $data[] = $this->result_id->getColumnMeta($i); | |
103 | } | |
104 | ||
105 | return $data; | |
106 | } | |
107 | catch (Exception $e) | |
108 | { | |
109 | if ($this->db->db_debug) | |
110 | { | |
111 | return $this->db->display_error('db_unsuported_feature'); | |
112 | } | |
113 | return FALSE; | |
114 | } | |
115 | } | |
116 | ||
117 | // -------------------------------------------------------------------- | |
118 | ||
119 | /** | |
120 | * Free the result | |
121 | * | |
122 | * @return null | |
123 | */ | |
124 | function free_result() | |
125 | { | |
126 | if (is_object($this->result_id)) | |
127 | { | |
128 | $this->result_id = FALSE; | |
129 | } | |
130 | } | |
131 | ||
132 | // -------------------------------------------------------------------- | |
133 | ||
134 | /** | |
135 | * Data Seek | |
136 | * | |
137 | * Moves the internal pointer to the desired offset. We call | |
138 | * this internally before fetching results to make sure the | |
139 | * result set starts at zero | |
140 | * | |
141 | * @access private | |
142 | * @return array | |
143 | */ | |
144 | function _data_seek($n = 0) | |
145 | { | |
146 | return FALSE; | |
147 | } | |
148 | ||
149 | // -------------------------------------------------------------------- | |
150 | ||
151 | /** | |
152 | * Result - associative array | |
153 | * | |
154 | * Returns the result set as an array | |
155 | * | |
156 | * @access private | |
157 | * @return array | |
158 | */ | |
159 | function _fetch_assoc() | |
160 | { | |
161 | return $this->result_id->fetch(PDO::FETCH_ASSOC); | |
162 | } | |
163 | ||
164 | // -------------------------------------------------------------------- | |
165 | ||
166 | /** | |
167 | * Result - object | |
168 | * | |
169 | * Returns the result set as an object | |
170 | * | |
171 | * @access private | |
172 | * @return object | |
173 | */ | |
174 | function _fetch_object() | |
175 | { | |
176 | return $this->result_id->fetchObject(); | |
177 | } | |
178 | ||
179 | } | |
180 | ||
181 | ||
182 | /* End of file pdo_result.php */ | |
183 | /* Location: ./system/database/drivers/pdo/pdo_result.php */ |