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Added db2 connection driver

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This commit is contained in:
zYne 2006-11-20 10:19:31 +00:00
parent 48b8791e17
commit 8ca0e1a52f
2 changed files with 64 additions and 1 deletions
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63
lib/Doctrine/Connection/Db2.php Normal file
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@ -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;
}
}
}

2
lib/Doctrine/Connection/Firebird.php
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@ -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];
}