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
<?php
/*
* $Id$
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.phpdoctrine.com>.
*/
Doctrine::autoload('Doctrine_Transaction');
/**
*
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @package Doctrine
* @category Object Relational Mapping
* @link www.phpdoctrine.com
* @since 1.0
* @version $Revision$
*/
class Doctrine_Transaction_Oracle extends Doctrine_Transaction {
/**
* createSavepoint
* creates a new savepoint
*
* @param string $savepoint name of a savepoint to set
* @return void
*/
protected function createSavePoint($savepoint) {
$query = 'SAVEPOINT '.$savepoint;
return $this->conn->getDbh()->query($query);
}
/**
* releaseSavePoint
* releases given savepoint
*
* @param string $savepoint name of a savepoint to release
* @return void
*/
protected function releaseSavePoint($savepoint) {
// oracle doesn't support manual releasing of savepoints
return true;
}
/**
* rollbackSavePoint
* releases given savepoint
*
* @param string $savepoint name of a savepoint to rollback to
* @return void
*/
protected function rollbackSavePoint($savepoint) {
$query = 'ROLLBACK TO SAVEPOINT '.$savepoint;
return $this->conn->getDbh()->query($query);
}
/**
* Set the transacton isolation level.
*
* @param string standard isolation level
* READ UNCOMMITTED (allows dirty reads)
* READ COMMITTED (prevents dirty reads)
* REPEATABLE READ (prevents nonrepeatable reads)
* SERIALIZABLE (prevents phantom reads)
* @throws PDOException if something fails at the PDO level
* @throws Doctrine_Transaction_Exception if using unknown isolation level
* @return void
*/
public function setIsolation($isolation) {
switch($isolation) {
case 'READ UNCOMMITTED':
$isolation = 'READ COMMITTED';
break;
case 'READ COMMITTED':
case 'REPEATABLE READ':
case 'SERIALIZABLE':
$isolation = 'SERIALIZABLE';
break;
default:
throw new Doctrine_Transaction_Exception('Isolation level ' . $isolation . ' is not supported.');
}
$query = 'ALTER SESSION ISOLATION LEVEL ' . $isolation;
return $this->conn->getDbh()->query($query);
}
}