blob: 7bb210ab713b88b8d131c68a374df22cc1b7ce63 (
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
|
<?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
*/
// ------------------------------------------------------------------------
/**
* Postgre Utility Class
*
* @category Database
* @author Rick Ellis
* @link http://www.codeigniter.com/user_guide/database/
*/
class CI_DB_postgre_utility extends CI_DB_utility {
/**
* Create database
*
* @access public
* @param string the database name
* @return bool
*/
function create_database($name)
{
return $this->db->query("CREATE DATABASE ".$name);
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access public
* @param string the database name
* @return bool
*/
function drop_database($name)
{
return $this->db->query("DROP DATABASE ".$name);
}
// --------------------------------------------------------------------
/**
* List databases
*
* @access public
* @return bool
*/
function list_databases()
{
$query = $this->db->query("SELECT datname FROM pg_database");
$dbs = array();
if ($query->num_rows() > 0)
{
foreach ($query->result_array() as $row)
{
$dbs[] = current($row);
}
}
return $dbs;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access public
* @return bool
*/
function drop_table($table)
{
"DROP TABLE ".$this->db->_escape_table($name)." CASCADE";
}
// --------------------------------------------------------------------
/**
* 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 "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'";
}
// --------------------------------------------------------------------
/**
* 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($table = '')
{
return "SELECT column_name FROM information_schema.columns WHERE table_name ='".$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)
{
$sql = "SELECT * FROM ".$this->db->_escape_table($table)." LIMIT 1";
$query = $this->db->query($sql);
return $query->field_data();
}
}
?>
|
