|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Phossa Project |
|
4
|
|
|
* |
|
5
|
|
|
* PHP version 5.4 |
|
6
|
|
|
* |
|
7
|
|
|
* @category Library |
|
8
|
|
|
* @package Phossa2\Db |
|
9
|
|
|
* @copyright Copyright (c) 2016 phossa.com |
|
10
|
|
|
* @license http://mit-license.org/ MIT License |
|
11
|
|
|
* @link http://www.phossa.com/ |
|
12
|
|
|
*/ |
|
13
|
|
|
/*# declare(strict_types=1); */ |
|
14
|
|
|
|
|
15
|
|
|
namespace Phossa2\Db\Driver; |
|
16
|
|
|
|
|
17
|
|
|
use Phossa2\Db\Message\Message; |
|
18
|
|
|
use Phossa2\Shared\Base\ObjectAbstract; |
|
19
|
|
|
use Phossa2\Db\Interfaces\ResultInterface; |
|
20
|
|
|
use Phossa2\Db\Exception\RuntimeException; |
|
21
|
|
|
|
|
22
|
|
|
/** |
|
23
|
|
|
* ResultAbstract |
|
24
|
|
|
* |
|
25
|
|
|
* @package Phossa2\Db |
|
26
|
|
|
* @author Hong Zhang <[email protected]> |
|
27
|
|
|
* @see ObjectAbstract |
|
28
|
|
|
* @see ResultInterface |
|
29
|
|
|
* @version 2.0.0 |
|
30
|
|
|
* @since 2.0.0 added |
|
31
|
|
|
*/ |
|
32
|
|
|
abstract class ResultAbstract extends ObjectAbstract implements ResultInterface |
|
33
|
|
|
{ |
|
34
|
|
|
/** |
|
35
|
|
|
* Fetched already |
|
36
|
|
|
* |
|
37
|
|
|
* @var bool |
|
38
|
|
|
* @access protected |
|
39
|
|
|
*/ |
|
40
|
|
|
protected $fetched = false; |
|
41
|
|
|
|
|
42
|
|
|
/** |
|
43
|
|
|
* {@inheritDoc} |
|
44
|
|
|
*/ |
|
45
|
|
|
public function isSelect()/*# : bool */ |
|
46
|
|
|
{ |
|
47
|
|
|
return 0 !== $this->fieldCount(); |
|
48
|
|
|
} |
|
49
|
|
|
|
|
50
|
|
|
/** |
|
51
|
|
|
* {@inheritDoc} |
|
52
|
|
|
*/ |
|
53
|
|
|
public function fetchAll()/*# : array */ |
|
54
|
|
|
{ |
|
55
|
|
|
$this->exceptionIfNotSelect(); |
|
56
|
|
|
$this->exceptionIfFetchedAlready(); |
|
57
|
|
|
$this->fetched = true; |
|
58
|
|
|
return $this->realFetchAll(); |
|
59
|
|
|
} |
|
60
|
|
|
|
|
61
|
|
|
/** |
|
62
|
|
|
* {@inheritDoc} |
|
63
|
|
|
*/ |
|
64
|
|
|
public function fetchRow(/*# int */ $rowCount = 1)/*# : array */ |
|
65
|
|
|
{ |
|
66
|
|
|
$this->exceptionIfNotSelect(); |
|
67
|
|
|
$this->exceptionIfFetchedAlready(); |
|
68
|
|
|
$this->fetched = true; |
|
69
|
|
|
return $this->realFetchRow($rowCount); |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
|
|
/** |
|
73
|
|
|
* {@inheritDoc} |
|
74
|
|
|
*/ |
|
75
|
|
|
public function fetchCol($col = 0, $rowCount = 0)/*# : array */ |
|
76
|
|
|
{ |
|
77
|
|
|
$rows = $rowCount ? $this->fetchRow($rowCount) : $this->fetchAll(); |
|
78
|
|
|
|
|
79
|
|
|
$cols = $keys = []; |
|
80
|
|
|
foreach($rows as $row) { |
|
81
|
|
|
// named or indexed column |
|
82
|
|
|
if (isset($row[$col])) { |
|
83
|
|
|
$cols[] = $row[$col]; |
|
84
|
|
|
|
|
85
|
|
|
// n'th column |
|
86
|
|
|
} elseif (is_int($col) && count($row) >= $col) { |
|
87
|
|
|
if (empty($keys)) { |
|
88
|
|
|
$keys = array_keys($row); |
|
89
|
|
|
} |
|
90
|
|
|
$cols[] = $row[$keys[$col]]; |
|
91
|
|
|
} |
|
92
|
|
|
} |
|
93
|
|
|
|
|
94
|
|
|
return $cols; |
|
95
|
|
|
} |
|
96
|
|
|
|
|
97
|
|
|
/** |
|
98
|
|
|
* Throw exception if not select query |
|
99
|
|
|
* |
|
100
|
|
|
* @throws RuntimeException if not a select query |
|
101
|
|
|
* @access protected |
|
102
|
|
|
*/ |
|
103
|
|
|
protected function exceptionIfNotSelect() |
|
104
|
|
|
{ |
|
105
|
|
|
if (!$this->isSelect()) { |
|
106
|
|
|
throw new RuntimeException( |
|
107
|
|
|
Message::get(Message::DB_RESULT_NOT_SELECT), |
|
108
|
|
|
Message::DB_RESULT_NOT_SELECT |
|
109
|
|
|
); |
|
110
|
|
|
} |
|
111
|
|
|
} |
|
112
|
|
|
|
|
113
|
|
|
/** |
|
114
|
|
|
* Throw exception if fetched already |
|
115
|
|
|
* |
|
116
|
|
|
* @throws RuntimeException if fetched already |
|
117
|
|
|
* @access protected |
|
118
|
|
|
*/ |
|
119
|
|
|
protected function exceptionIfFetchedAlready() |
|
120
|
|
|
{ |
|
121
|
|
|
if ($this->fetched) { |
|
122
|
|
|
throw new RuntimeException( |
|
123
|
|
|
Message::get(Message::DB_RESULT_FETCHED), |
|
124
|
|
|
Message::DB_RESULT_FETCHED |
|
125
|
|
|
); |
|
126
|
|
|
} |
|
127
|
|
|
} |
|
128
|
|
|
|
|
129
|
|
|
/** |
|
130
|
|
|
* Driver fetch all |
|
131
|
|
|
* |
|
132
|
|
|
* @return array |
|
133
|
|
|
* @access protected |
|
134
|
|
|
*/ |
|
135
|
|
|
abstract protected function realFetchAll()/*# : array */; |
|
136
|
|
|
|
|
137
|
|
|
/** |
|
138
|
|
|
* Driver fetch row |
|
139
|
|
|
* |
|
140
|
|
|
* @param int $rowCount number of rows to fetch |
|
141
|
|
|
* @return array |
|
142
|
|
|
* @access protected |
|
143
|
|
|
*/ |
|
144
|
|
|
abstract protected function realFetchRow($rowCount)/*# : array */; |
|
145
|
|
|
} |
|
146
|
|
|
|
phossa2 /
db
