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
|
<?php
/**
* @package ActiveRecord
*/
namespace ActiveRecord;
/**
* Adapter for MySQL.
*
* @package ActiveRecord
*/
class MysqlAdapter extends Connection
{
static $DEFAULT_PORT = 3306;
public function limit($sql, $offset, $limit)
{
$offset = is_null($offset) ? '' : intval($offset) . ',';
$limit = intval($limit);
return "$sql LIMIT {$offset}$limit";
}
public function query_column_info($table)
{
return $this->query("SHOW COLUMNS FROM $table");
}
public function query_for_tables()
{
return $this->query('SHOW TABLES');
}
public function create_column(&$column)
{
$c = new Column();
$c->inflected_name = Inflector::instance()->variablize($column['field']);
$c->name = $column['field'];
$c->nullable = ($column['null'] === 'YES' ? true : false);
$c->pk = ($column['key'] === 'PRI' ? true : false);
$c->auto_increment = ($column['extra'] === 'auto_increment' ? true : false);
if ($column['type'] == 'timestamp' || $column['type'] == 'datetime')
{
$c->raw_type = 'datetime';
$c->length = 19;
}
elseif ($column['type'] == 'date')
{
$c->raw_type = 'date';
$c->length = 10;
}
elseif ($column['type'] == 'time')
{
$c->raw_type = 'time';
$c->length = 8;
}
else
{
preg_match('/^([A-Za-z0-9_]+)(\(([0-9]+(,[0-9]+)?)\))?/',$column['type'],$matches);
$c->raw_type = (count($matches) > 0 ? $matches[1] : $column['type']);
if (count($matches) >= 4)
$c->length = intval($matches[3]);
}
$c->map_raw_type();
$c->default = $c->cast($column['default'],$this);
return $c;
}
public function set_encoding($charset)
{
$params = array($charset);
$this->query('SET NAMES ?',$params);
}
public function accepts_limit_and_order_for_update_and_delete() { return true; }
public function native_database_types()
{
return array(
'primary_key' => 'int(11) UNSIGNED DEFAULT NULL auto_increment PRIMARY KEY',
'string' => array('name' => 'varchar', 'length' => 255),
'text' => array('name' => 'text'),
'integer' => array('name' => 'int', 'length' => 11),
'float' => array('name' => 'float'),
'datetime' => array('name' => 'datetime'),
'timestamp' => array('name' => 'datetime'),
'time' => array('name' => 'time'),
'date' => array('name' => 'date'),
'binary' => array('name' => 'blob'),
'boolean' => array('name' => 'tinyint', 'length' => 1)
);
}
}
?>
|