This repository has been archived by the owner on Jan 8, 2020. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 2.5k
/
Result.php
222 lines (195 loc) · 4.3 KB
/
Result.php
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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @package Zend_Db
*/
namespace Zend\Db\Adapter\Driver\Pdo;
use Iterator;
use PDO as PDOResource;
use PDOStatement;
use Zend\Db\Adapter\Driver\ResultInterface;
use Zend\Db\Adapter\Exception;
/**
* @category Zend
* @package Zend_Db
* @subpackage Adapter
*/
class Result implements Iterator, ResultInterface
{
const STATEMENT_MODE_SCROLLABLE = 'scrollable';
const STATEMENT_MODE_FORWARD = 'forward';
/**
*
* @var string
*/
protected $statementMode = self::STATEMENT_MODE_FORWARD;
/**
* @var \PDOStatement
*/
protected $resource = null;
/**
* @var array Result options
*/
protected $options;
/**
* Is the current complete?
* @var bool
*/
protected $currentComplete = false;
/**
* Track current item in recordset
* @var mixed
*/
protected $currentData;
/**
* Current position of scrollable statement
* @var int
*/
protected $position = -1;
/**
* @var mixed
*/
protected $generatedValue = null;
/**
* @var null
*/
protected $rowCount = null;
/**
* Initialize
*
* @param PDOStatement $resource
* @return Result
*/
public function initialize(PDOStatement $resource, $generatedValue, $rowCount = null)
{
$this->resource = $resource;
$this->generatedValue = $generatedValue;
$this->rowCount = $rowCount;
return $this;
}
/**
* @return null
*/
public function buffer()
{
return null;
}
/**
* Get resource
*
* @return mixed
*/
public function getResource()
{
return $this->resource;
}
/**
* Get the data
* @return array
*/
public function current()
{
if ($this->currentComplete) {
return $this->currentData;
}
$this->currentData = $this->resource->fetch(\PDO::FETCH_ASSOC);
return $this->currentData;
}
/**
* Next
*
* @return mixed
*/
public function next()
{
$this->currentData = $this->resource->fetch(\PDO::FETCH_ASSOC);
$this->currentComplete = true;
$this->position++;
return $this->currentData;
}
/**
* Key
*
* @return mixed
*/
public function key()
{
return $this->position;
}
/**
* @return void
*/
public function rewind()
{
if ($this->statementMode == self::STATEMENT_MODE_FORWARD && $this->position > 0) {
throw new Exception\RuntimeException(
'This result is a forward only result set, calling rewind() after moving forward is not supported'
);
}
$this->currentData = $this->resource->fetch(\PDO::FETCH_ASSOC);
$this->currentComplete = true;
$this->position = 0;
}
/**
* Valid
*
* @return boolean
*/
public function valid()
{
return ($this->currentData != false);
}
/**
* Count
*
* @return integer
*/
public function count()
{
if (is_int($this->rowCount)) {
return $this->rowCount;
}
if ($this->rowCount instanceof \Closure) {
$this->rowCount = (int) call_user_func($this->rowCount);
} else {
$this->rowCount = (int) $this->resource->rowCount();
}
return $this->rowCount;
}
/**
* @return int
*/
public function getFieldCount()
{
return $this->resource->columnCount();
}
/**
* Is query result
*
* @return boolean
*/
public function isQueryResult()
{
return ($this->resource->columnCount() > 0);
}
/**
* Get affected rows
*
* @return integer
*/
public function getAffectedRows()
{
return $this->resource->rowCount();
}
/**
* @return mixed|null
*/
public function getGeneratedValue()
{
return $this->generatedValue;
}
}