blob: f66464e3e2aab42f43f24b3d5177e130d9837b67 (
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
|
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2009, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLite Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlite_utility extends CI_DB_utility {
/**
* List databases
*
* I don't believe you can do a database listing with SQLite
* since each database is its own file. I suppose we could
* try reading a directory looking for SQLite files, but
* that doesn't seem like a terribly good idea
*
* @access private
* @return bool
*/
function _list_databases()
{
if ($this->db_debug)
{
return $this->display_error('db_unsuported_feature');
}
return array();
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Is optimization even supported in SQLite?
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Are table repairs even supported in SQLite?
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* SQLite Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
/**
*
* The functions below have been deprecated as of 1.6, and are only here for backwards
* compatibility. They now reside in dbforge(). The use of dbutils for database manipulation
* is STRONGLY discouraged in favour if using dbforge.
*
*/
/**
* Create database
*
* @access public
* @param string the database name
* @return bool
*/
function _create_database()
{
// In SQLite, a database is created when you connect to the database.
// We'll return TRUE so that an error isn't generated
return TRUE;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
if ( ! @file_exists($this->db->database) OR ! @unlink($this->db->database))
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unable_to_drop');
}
return FALSE;
}
return TRUE;
}
}
/* End of file sqlite_utility.php */
/* Location: ./system/database/drivers/sqlite/sqlite_utility.php */
|
