This repository has been archived by the owner on Jan 8, 2020. It is now read-only.
/
Result.php
executable file
·225 lines (195 loc) · 4.17 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
223
224
225
<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Db\Adapter\Driver\Oci8;
use Zend\Db\Adapter\Driver\ResultInterface;
use Zend\Db\Adapter\Exception;
class Result implements \Iterator, ResultInterface
{
/**
* @var resource
*/
protected $resource = null;
/**
* @var bool
*/
protected $isBuffered = null;
/**
* Cursor position
* @var int
*/
protected $position = 0;
/**
* Number of known rows
* @var int
*/
protected $numberOfRows = -1;
/**
* Is the current() operation already complete for this pointer position?
* @var bool
*/
protected $currentComplete = false;
/**
* @var bool
*/
protected $currentData = false;
/**
*
* @var array
*/
protected $statementBindValues = array('keys' => null, 'values' => array());
/**
* @var mixed
*/
protected $generatedValue = null;
/**
* Initialize
* @param resource $resource
* @return Result
*/
public function initialize($resource /*, $generatedValue, $isBuffered = null*/)
{
if (!is_resource($resource) && get_resource_type($resource) !== 'oci8 statement') {
throw new Exception\InvalidArgumentException('Invalid resource provided.');
}
$this->resource = $resource;
return $this;
}
/**
* Force buffering at driver level
*
* Oracle does not support this, to my knowledge (@ralphschindler)
*
* @throws Exception\RuntimeException
*/
public function buffer()
{
return null;
}
/**
* Is the result buffered?
*
* @return bool
*/
public function isBuffered()
{
return false;
}
/**
* Return the resource
* @return mixed
*/
public function getResource()
{
return $this->resource;
}
/**
* Is query result?
*
* @return bool
*/
public function isQueryResult()
{
return (oci_num_fields($this->resource) > 0);
}
/**
* Get affected rows
* @return int
*/
public function getAffectedRows()
{
return oci_num_rows($this->resource);
}
/**
* Current
* @return mixed
*/
public function current()
{
if ($this->currentComplete == false) {
if ($this->loadData() === false) {
return false;
}
}
return $this->currentData;
}
/**
* Load from oci8 result
*
* @return bool
*/
protected function loadData()
{
$this->currentComplete = true;
$this->currentData = oci_fetch_assoc($this->resource);
if ($this->currentData !== false) {
$this->position++;
return true;
}
return false;
}
/**
* Next
*/
public function next()
{
return $this->loadData();
}
/**
* Key
* @return mixed
*/
public function key()
{
return $this->position;
}
/**
* Rewind
*/
public function rewind()
{
if ($this->position > 0) {
throw new Exception\RuntimeException('Oci8 results cannot be rewound for multiple iterations');
}
}
/**
* Valid
* @return bool
*/
public function valid()
{
if ($this->currentComplete) {
return ($this->currentData !== false);
}
return $this->loadData();
}
/**
* Count
* @return int
*/
public function count()
{
// @todo OCI8 row count in Driver Result
return null;
}
/**
* @return int
*/
public function getFieldCount()
{
return oci_num_fields($this->resource);
}
/**
* @return mixed|null
*/
public function getGeneratedValue()
{
// @todo OCI8 generated value in Driver Result
return null;
}
}