# Coverage for Doctrine_Connection_Oracle

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1 | <?php
2 | /*
3 | * $Id: Oracle.php 2963 2007-10-21 06:23:59Z Jonathan.Wage $
4 | *
5 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
6 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
7 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
8 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
9 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
10 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
11 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
12 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
13 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
14 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
15 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
16 | *
17 | * This software consists of voluntary contributions made by many individuals
18 | * and is licensed under the LGPL. For more information, see
19 | * <http://www.phpdoctrine.org>.
20 | */
21 | Doctrine::autoload('Doctrine_Connection');
22 | /**
23 | * Doctrine_Connection_Oracle
24 | *
25 | * @package Doctrine
26 | * @subpackage Connection
27 | * @license http://www.opensource.org/licenses/lgpl-license.php LGPL
28 | * @link www.phpdoctrine.org
29 | * @since 1.0
30 | * @version $Revision: 2963 $
31 | * @author Konsta Vesterinen <kvesteri@cc.hut.fi>
32 | */
33 | class Doctrine_Connection_Oracle extends Doctrine_Connection
34 | {
35 | /**
36 | * @var string $driverName the name of this connection driver
37 | */
38 | protected $driverName = 'Oracle';
39 |
40 | public function __construct(Doctrine_Manager $manager, $adapter)
41 | {
42 | $this->supported = array(
43 | 'sequences' => true,
44 | 'indexes' => true,
45 | 'summary_functions' => true,
46 | 'order_by_text' => true,
47 | 'current_id' => true,
48 | 'affected_rows' => true,
49 | 'transactions' => true,
50 | 'savepoints' => true,
51 | 'limit_queries' => true,
52 | 'LOBs' => true,
53 | 'replace' => 'emulated',
54 | 'sub_selects' => true,
55 | 'auto_increment' => false, // implementation is broken
56 | 'primary_key' => true,
57 | 'result_introspection' => true,
58 | 'prepared_statements' => true,
59 | 'identifier_quoting' => true,
60 | 'pattern_escaping' => true,
61 | );
62 | /**
63 | $this->options['DBA_username'] = false;
64 | $this->options['DBA_password'] = false;
65 | $this->options['database_name_prefix'] = false;
66 | $this->options['emulate_database'] = true;
67 | $this->options['default_tablespace'] = false;
68 | $this->options['default_text_field_length'] = 2000;
69 | $this->options['result_prefetching'] = false;
70 | */
71 | parent::__construct($manager, $adapter);
72 | }
73 |
74 | /**
75 | * Sets up the date/time format
76 | *
77 | */
78 | public function setDateFormat($format = 'YYYY-MM-DD HH24:MI:SS')
79 | {
80 | $this->exec('ALTER SESSION SET NLS_DATE_FORMAT = "' . $format . '"');
81 | }
82 |
83 | /**
84 | * Adds an driver-specific LIMIT clause to the query
85 | *
86 | * @param string $query query to modify
87 | * @param integer $limit limit the number of rows
88 | * @param integer $offset start reading from given offset
89 | * @return string the modified query
90 | */
91 | public function modifyLimitQuery($query, $limit, $offset)
92 | {
93 | /**
94 | $e = explode("select ",strtolower($query));
95 | $e2 = explode(" from ",$e[1]);
96 | $fields = $e2[0];
97 | */
98 | $limit = (int) $limit;
99 | $offset = (int) $offset;
100 | if (preg_match('/^\s*SELECT/i', $query)) {
101 | if ( ! preg_match('/\sFROM\s/i', $query)) {
102 | $query .= " FROM dual";
103 | }
104 | if ($limit > 0) {
105 | // taken from http://svn.ez.no/svn/ezcomponents/packages/Database
106 | $max = $offset + $limit;
107 | if ($offset > 0) {
108 | $min = $offset + 1;
109 | $query = 'SELECT * FROM (SELECT a.*, ROWNUM dctrn_rownum FROM (' . $query
110 | . ') a WHERE ROWNUM <= ' . $max . ') WHERE dctrn_rownum >= ' . $min;
111 | } else {
112 | $query = 'SELECT a.* FROM (' . $query .') a WHERE ROWNUM <= ' . $max;
113 | }
114 | }
115 | }
116 | return $query;
117 | }
118 | }