sintonia/airtime_mvc/library/propel/runtime/lib/adapter/DBOracle.php

151 lines
3.7 KiB
PHP

<?php
/**
* This file is part of the Propel package.
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @license MIT License
*/
/**
* Oracle adapter.
*
* @author David Giffin <david@giffin.org> (Propel)
* @author Hans Lellelid <hans@xmpl.org> (Propel)
* @author Jon S. Stevens <jon@clearink.com> (Torque)
* @author Brett McLaughlin <bmclaugh@algx.net> (Torque)
* @author Bill Schneider <bschneider@vecna.com> (Torque)
* @author Daniel Rall <dlr@finemaltcoding.com> (Torque)
* @version $Revision: 1669 $
* @package propel.runtime.adapter
*/
class DBOracle extends DBAdapter
{
/**
* This method is called after a connection was created to run necessary
* post-initialization queries or code.
* Removes the charset query and adds the date queries
*
* @param PDO A PDO connection instance.
* @see parent::initConnection()
*/
public function initConnection(PDO $con, array $settings)
{
$con->exec("ALTER SESSION SET NLS_DATE_FORMAT='YYYY-MM-DD'");
$con->exec("ALTER SESSION SET NLS_TIMESTAMP_FORMAT='YYYY-MM-DD HH24:MI:SS'");
if (isset($settings['queries']) && is_array($settings['queries'])) {
foreach ($settings['queries'] as $queries) {
foreach ((array)$queries as $query) {
$con->exec($query);
}
}
}
}
/**
* This method is used to ignore case.
*
* @param string $in The string to transform to upper case.
* @return string The upper case string.
*/
public function toUpperCase($in)
{
return "UPPER(" . $in . ")";
}
/**
* This method is used to ignore case.
*
* @param string $in The string whose case to ignore.
* @return string The string in a case that can be ignored.
*/
public function ignoreCase($in)
{
return "UPPER(" . $in . ")";
}
/**
* Returns SQL which concatenates the second string to the first.
*
* @param string String to concatenate.
* @param string String to append.
* @return string
*/
public function concatString($s1, $s2)
{
return "CONCAT($s1, $s2)";
}
/**
* Returns SQL which extracts a substring.
*
* @param string String to extract from.
* @param int Offset to start from.
* @param int Number of characters to extract.
* @return string
*/
public function subString($s, $pos, $len)
{
return "SUBSTR($s, $pos, $len)";
}
/**
* Returns SQL which calculates the length (in chars) of a string.
*
* @param string String to calculate length of.
* @return string
*/
public function strLength($s)
{
return "LENGTH($s)";
}
/**
* @see DBAdapter::applyLimit()
*/
public function applyLimit(&$sql, $offset, $limit, $criteria = null)
{
if (BasePeer::needsSelectAliases($criteria)) {
$selectSql = BasePeer::createSelectSqlPart($criteria, $params, true);
$sql = $selectSql . substr($sql, strpos('FROM', $sql));
}
$sql = 'SELECT B.* FROM ('
. 'SELECT A.*, rownum AS PROPEL_ROWNUM FROM (' . $sql . ') A '
. ') B WHERE ';
if ( $offset > 0 ) {
$sql .= ' B.PROPEL_ROWNUM > ' . $offset;
if ( $limit > 0 ) {
$sql .= ' AND B.PROPEL_ROWNUM <= ' . ( $offset + $limit );
}
} else {
$sql .= ' B.PROPEL_ROWNUM <= ' . $limit;
}
}
protected function getIdMethod()
{
return DBAdapter::ID_METHOD_SEQUENCE;
}
public function getId(PDO $con, $name = null)
{
if ($name === null) {
throw new PropelException("Unable to fetch next sequence ID without sequence name.");
}
$stmt = $con->query("SELECT " . $name . ".nextval FROM dual");
$row = $stmt->fetch(PDO::FETCH_NUM);
return $row[0];
}
public function random($seed=NULL)
{
return 'dbms_random.value';
}
}