Subversion Repositories Applications.papyrus

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
2005 Aurelien 1 
<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
2 
/**
3 
 * CodeIgniter
4 
 *
5 
 * An open source application development framework for PHP 4.3.2 or newer
6 
 *
7 
 * @package		CodeIgniter
8 
 * @author		ExpressionEngine Dev Team
9 
 * @copyright	Copyright (c) 2008, EllisLab, Inc.
10 
 * @license		http://codeigniter.com/user_guide/license.html
11 
 * @link		http://codeigniter.com
12 
 * @since		Version 1.0
13 
 * @filesource
14 
 */
15
16 
// ------------------------------------------------------------------------
17
18 
/**
19 
 * SQLite Utility Class
20 
 *
21 
 * @category	Database
22 
 * @author		ExpressionEngine Dev Team
23 
 * @link		http://codeigniter.com/user_guide/database/
24 
 */
25 
class CI_DB_sqlite_utility extends CI_DB_utility {
26
27 
	/**
28 
	 * List databases
29 
	 *
30 
	 * I don't believe you can do a database listing with SQLite
31 
	 * since each database is its own file.  I suppose we could
32 
	 * try reading a directory looking for SQLite files, but
33 
	 * that doesn't seem like a terribly good idea
34 
	 *
35 
	 * @access	private
36 
	 * @return	bool
37 
	 */
38 
	function _list_databases()
39 
	{
40 
		if ($this->db_debug)
41 
		{
42 
			return $this->display_error('db_unsuported_feature');
43 
		}
44 
		return array();
45 
	}
46
47 
	// --------------------------------------------------------------------
48
49 
	/**
50 
	 * Optimize table query
51 
	 *
52 
	 * Is optimization even supported in SQLite?
53 
	 *
54 
	 * @access	private
55 
	 * @param	string	the table name
56 
	 * @return	object
57 
	 */
58 
	function _optimize_table($table)
59 
	{
60 
		return FALSE;
61 
	}
62
63 
	// --------------------------------------------------------------------
64
65 
	/**
66 
	 * Repair table query
67 
	 *
68 
	 * Are table repairs even supported in SQLite?
69 
	 *
70 
	 * @access	private
71 
	 * @param	string	the table name
72 
	 * @return	object
73 
	 */
74 
	function _repair_table($table)
75 
	{
76 
		return FALSE;
77 
	}
78
79 
	// --------------------------------------------------------------------
80
81 
	/**
82 
	 * SQLite Export
83 
	 *
84 
	 * @access	private
85 
	 * @param	array	Preferences
86 
	 * @return	mixed
87 
	 */
88 
	function _backup($params = array())
89 
	{
90 
		// Currently unsupported
91 
		return $this->db->display_error('db_unsuported_feature');
92 
	}
93
94 
	/**
95 
	 *
96 
	 * The functions below have been deprecated as of 1.6, and are only here for backwards
97 
	 * compatibility.  They now reside in dbforge().  The use of dbutils for database manipulation
98 
	 * is STRONGLY discouraged in favour if using dbforge.
99 
	 *
100 
	 */
101
102 
	/**
103 
	 * Create database
104 
	 *
105 
	 * @access	public
106 
	 * @param	string	the database name
107 
	 * @return	bool
108 
	 */
109 
	function _create_database()
110 
	{
111 
		// In SQLite, a database is created when you connect to the database.
112 
		// We'll return TRUE so that an error isn't generated
113 
		return TRUE;
114 
	}
115
116 
	// --------------------------------------------------------------------
117
118 
	/**
119 
	 * Drop database
120 
	 *
121 
	 * @access	private
122 
	 * @param	string	the database name
123 
	 * @return	bool
124 
	 */
125 
	function _drop_database($name)
126 
	{
127 
		if ( ! @file_exists($this->db->database) OR ! @unlink($this->db->database))
128 
		{
129 
			if ($this->db->db_debug)
130 
			{
131 
				return $this->db->display_error('db_unable_to_drop');
132 
			}
133 
			return FALSE;
134 
		}
135 
		return TRUE;
136 
	}
137
138 
}
139
140 
/* End of file sqlite_utility.php */
141 
/* Location: ./system/database/drivers/sqlite/sqlite_utility.php */