Current File : /www/old2/_music/diplomka/diplomka/src/API/libs/Nette/Database/Drivers/OciDriver.php
<?php
/**
* This file is part of the Nette Framework (http://nette.org)
*
* Copyright (c) 2004 David Grudl (http://davidgrudl.com)
*
* For the full copyright and license information, please view
* the file license.txt that was distributed with this source code.
*/
namespace Nette\Database\Drivers;
use Nette;
/**
* Supplemental Oracle database driver.
*
* @author David Grudl
*/
class OciDriver extends Nette\Object implements Nette\Database\ISupplementalDriver
{
/** @var Nette\Database\Connection */
private $connection;
/** @var string Datetime format */
private $fmtDateTime;
public function __construct(Nette\Database\Connection $connection, array $options)
{
$this->connection = $connection;
$this->fmtDateTime = isset($options['formatDateTime']) ? $options['formatDateTime'] : 'U';
}
/********************* SQL ****************d*g**/
/**
* Delimites identifier for use in a SQL statement.
*/
public function delimite($name)
{
// @see http://download.oracle.com/docs/cd/B10500_01/server.920/a96540/sql_elements9a.htm
return '"' . str_replace('"', '""', $name) . '"';
}
/**
* Formats boolean for use in a SQL statement.
*/
public function formatBool($value)
{
return $value ? '1' : '0';
}
/**
* Formats date-time for use in a SQL statement.
*/
public function formatDateTime(\DateTime $value)
{
return $value->format($this->fmtDateTime);
}
/**
* Encodes string for use in a LIKE statement.
*/
public function formatLike($value, $pos)
{
throw new Nette\NotImplementedException;
}
/**
* Injects LIMIT/OFFSET to the SQL query.
*/
public function applyLimit(&$sql, $limit, $offset)
{
if ($offset > 0) {
// see http://www.oracle.com/technology/oramag/oracle/06-sep/o56asktom.html
$sql = 'SELECT * FROM (SELECT t.*, ROWNUM AS "__rnum" FROM (' . $sql . ') t '
. ($limit >= 0 ? 'WHERE ROWNUM <= ' . ((int) $offset + (int) $limit) : '')
. ') WHERE "__rnum" > '. (int) $offset;
} elseif ($limit >= 0) {
$sql = 'SELECT * FROM (' . $sql . ') WHERE ROWNUM <= ' . (int) $limit;
}
}
/**
* Normalizes result row.
*/
public function normalizeRow($row, $statement)
{
return $row;
}
/********************* reflection ****************d*g**/
/**
* Returns list of tables.
*/
public function getTables()
{
$tables = array();
foreach ($this->connection->query('SELECT * FROM cat') as $row) {
if ($row[1] === 'TABLE' || $row[1] === 'VIEW') {
$tables[] = array(
'name' => $row[0],
'view' => $row[1] === 'VIEW',
);
}
}
return $tables;
}
/**
* Returns metadata for all columns in a table.
*/
public function getColumns($table)
{
throw new Nette\NotImplementedException;
}
/**
* Returns metadata for all indexes in a table.
*/
public function getIndexes($table)
{
throw new Nette\NotImplementedException;
}
/**
* Returns metadata for all foreign keys in a table.
*/
public function getForeignKeys($table)
{
throw new Nette\NotImplementedException;
}
/**
* @return bool
*/
public function isSupported($item)
{
return $item === self::SUPPORT_COLUMNS_META || $item === self::SUPPORT_SEQUENCE;
}
}
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