Subversion-Projekte lars-tiefland.php_share

Revision

Details | Letzte Änderung | Log anzeigen | RSS feed

Revision Autor Zeilennr. Zeile
1 lars 1
<?php
2
 
3
/*
4
 *  $Id: DBOracle.php 1262 2009-10-26 20:54:39Z francois $
5
 *
6
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
7
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
8
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
9
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
10
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
11
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
12
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
13
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
14
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
15
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
16
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
17
 *
18
 * This software consists of voluntary contributions made by many individuals
19
 * and is licensed under the LGPL. For more information please see
20
 * <http://propel.phpdb.org>.
21
 */
22
 
23
/**
24
 * Oracle adapter.
25
 *
26
 * @author     David Giffin <david@giffin.org> (Propel)
27
 * @author     Hans Lellelid <hans@xmpl.org> (Propel)
28
 * @author     Jon S. Stevens <jon@clearink.com> (Torque)
29
 * @author     Brett McLaughlin <bmclaugh@algx.net> (Torque)
30
 * @author     Bill Schneider <bschneider@vecna.com> (Torque)
31
 * @author     Daniel Rall <dlr@finemaltcoding.com> (Torque)
32
 * @version    $Revision: 1262 $
33
 * @package    propel.adapter
34
 */
35
class DBOracle extends DBAdapter {
36
 
37
	/**
38
	 * This method is used to ignore case.
39
	 *
40
	 * @param      string $in The string to transform to upper case.
41
	 * @return     string The upper case string.
42
	 */
43
	public function toUpperCase($in)
44
	{
45
		return "UPPER(" . $in . ")";
46
	}
47
 
48
	/**
49
	 * This method is used to ignore case.
50
	 *
51
	 * @param      string $in The string whose case to ignore.
52
	 * @return     string The string in a case that can be ignored.
53
	 */
54
	public function ignoreCase($in)
55
	{
56
		return "UPPER(" . $in . ")";
57
	}
58
 
59
	/**
60
	 * Returns SQL which concatenates the second string to the first.
61
	 *
62
	 * @param      string String to concatenate.
63
	 * @param      string String to append.
64
	 * @return     string
65
	 */
66
	public function concatString($s1, $s2)
67
	{
68
		return "CONCAT($s1, $s2)";
69
	}
70
 
71
	/**
72
	 * Returns SQL which extracts a substring.
73
	 *
74
	 * @param      string String to extract from.
75
	 * @param      int Offset to start from.
76
	 * @param      int Number of characters to extract.
77
	 * @return     string
78
	 */
79
	public function subString($s, $pos, $len)
80
	{
81
		return "SUBSTR($s, $pos, $len)";
82
	}
83
 
84
	/**
85
	 * Returns SQL which calculates the length (in chars) of a string.
86
	 *
87
	 * @param      string String to calculate length of.
88
	 * @return     string
89
	 */
90
	public function strLength($s)
91
	{
92
		return "LENGTH($s)";
93
	}
94
 
95
	/**
96
	 * @see        DBAdapter::applyLimit()
97
	 */
98
	public function applyLimit(&$sql, $offset, $limit)
99
	{
100
		 $sql =
101
			'SELECT B.* FROM (  '
102
			.  'SELECT A.*, rownum AS PROPEL$ROWNUM FROM (  '
103
			. $sql
104
			. '  ) A '
105
			.  ' ) B WHERE ';
106
 
107
		if ( $offset > 0 ) {
108
			$sql				.= ' B.PROPEL$ROWNUM > ' . $offset;
109
 
110
			if ( $limit > 0 )
111
			{
112
				$sql			.= ' AND B.PROPEL$ROWNUM <= '
113
									. ( $offset + $limit );
114
			}
115
		} else {
116
			$sql				.= ' B.PROPEL$ROWNUM <= ' . $limit;
117
		}
118
	}
119
 
120
	protected function getIdMethod()
121
	{
122
		return DBAdapter::ID_METHOD_SEQUENCE;
123
	}
124
 
125
	public function getId(PDO $con, $name = null)
126
	{
127
		if ($name === null) {
128
			throw new PropelException("Unable to fetch next sequence ID without sequence name.");
129
		}
130
 
131
		$stmt = $con->query("SELECT " . $name . ".nextval FROM dual");
132
		$row = $stmt->fetch(PDO::FETCH_NUM);
133
 
134
		return $row[0];
135
	}
136
 
137
	public function random($seed=NULL)
138
	{
139
		return 'dbms_random.value';
140
	}
141
 
142
 
143
}