From 8ca0e1a52f29db0d65fcda2171f8a3a103019ee5 Mon Sep 17 00:00:00 2001
From: zYne <zYne@625475ce-881a-0410-a577-b389adb331d8>
Date: Mon, 20 Nov 2006 10:19:31 +0000
Subject: [PATCH] Added db2 connection driver
---
lib/Doctrine/Connection/Db2.php | 63 ++++++++++++++++++++++++++++
lib/Doctrine/Connection/Firebird.php | 2 +-
2 files changed, 64 insertions(+), 1 deletion(-)
create mode 100644 lib/Doctrine/Connection/Db2.php
diff --git a/lib/Doctrine/Connection/Db2.php b/lib/Doctrine/Connection/Db2.php
new file mode 100644
index 000000000..dc2cfa638
--- /dev/null
+++ b/lib/Doctrine/Connection/Db2.php
@@ -0,0 +1,63 @@
+<?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_Connection');
+/**
+ * Doctrine_Connection_Db2
+ *
+ * @package Doctrine
+ * @license http://www.opensource.org/licenses/lgpl-license.php LGPL
+ * @category Object Relational Mapping
+ * @link www.phpdoctrine.com
+ * @since 1.0
+ * @version $Revision$
+ * @author Konsta Vesterinen <kvesteri@cc.hut.fi>
+ */
+class Doctrine_Connection_Db2 extends Doctrine_Connection {
+ /**
+ * Adds an driver-specific LIMIT clause to the query
+ *
+ * @param string $query query to modify
+ * @param integer $limit limit the number of rows
+ * @param integer $offset start reading from given offset
+ * @return string the modified query
+ */
+ public function modifyLimitQuery($query, $limit, $offset) {
+ if($limit <= 0)
+ return $sql;
+
+ if($offset == 0) {
+ return $sql . ' FETCH FIRST '. $count .' ROWS ONLY';
+ } else {
+
+ $sqlPieces = explode('from', $sql);
+ $select = $sqlPieces[0];
+ $table = $sqlPieces[1];
+
+ $col = explode('select', $select);
+
+ $sql = 'WITH OFFSET AS(' . $select . ', ROW_NUMBER() ' .
+ 'OVER(ORDER BY ' . $col[1] . ') AS dctrn_rownum FROM ' . $table . ')' .
+ $select . 'FROM OFFSET WHERE dctrn_rownum BETWEEN ' . $offset .
+ 'AND ' . ($offset + $count - 1);
+ return $sql;
+ }
+ }
+}
diff --git a/lib/Doctrine/Connection/Firebird.php b/lib/Doctrine/Connection/Firebird.php
index e50d18b5f..83f40a45a 100644
--- a/lib/Doctrine/Connection/Firebird.php
+++ b/lib/Doctrine/Connection/Firebird.php
@@ -105,7 +105,7 @@ class Doctrine_Connection_Firebird extends Doctrine_Connection {
* @return integer
*/
public function getNextID($sequence) {
- $stmt = $this->query("SELECT UNIQUE FROM ".$sequence);
+ $stmt = $this->query('SELECT UNIQUE FROM ' . $sequence);
$data = $stmt->fetch(PDO::FETCH_NUM);
return $data[0];
}