blob: cfd829cb698b67b5170c4f041090f9865f472d56 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
* Code Igniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author Rick Ellis
* @copyright Copyright (c) 2006, pMachine, Inc.
* @license http://www.codeignitor.com/user_guide/license.html
* @link http://www.codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* ODBC Utility Class
*
* @category Database
* @author Rick Ellis
* @link http://www.codeigniter.com/database/
*/
class CI_DB_odbc_utility extends CI_DB_utility {
/**
* Create database
*
* @access public
* @param string the database name
* @return bool
*/
function create_database($name)
{
// ODBC has no "create database" command since it's
// designed to connect to an existing database
if ($this->db_debug)
{
return $this->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access public
* @param string the database name
* @return bool
*/
function drop_database($name)
{
// ODBC has no "drop database" command since it's
// designed to connect to an existing database
if ($this->db_debug)
{
return $this->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* List databases
*
* @access public
* @return bool
*/
function list_databases()
{
// Not sure if ODBC lets you list all databases...
if ($this->db_debug)
{
return $this->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access public
* @return bool
*/
function drop_table($table)
{
// Not a supported ODBC feature
if ($this->db_debug)
{
return $this->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
return "SELECT version() AS ver";
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access public
* @return string
*/
function _show_tables()
{
return "SHOW TABLES FROM `".$this->db->database."`";
}
// --------------------------------------------------------------------
/**
* Show columnn query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access public
* @param string the table name
* @return string
*/
function _show_columns($table = '')
{
return "SHOW COLUMNS FROM ".$this->db->_escape_table($table);
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
$sql = "SELECT TOP 1 FROM ".$this->db->_escape_table($table);
$query = $this->db->query($sql);
return $query->field_data();
}
}
?>
|
