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<?php
/**
* Akeeba Engine
* The modular PHP5 site backup engine
* @copyright Copyright (c)2006-2017 Nicholas K. Dionysopoulos / Akeeba Ltd
* @license GNU GPL version 3 or, at your option, any later version
* @package akeebaengine
*
*/
namespace Akeeba\Engine\Driver\Query;
// Protection against direct access
defined('AKEEBAENGINE') or die();
use Akeeba\Engine\Driver\Query\Base as BaseQuery;
/**
* Query Limitable Interface.
* Adds bind/unbind methods as well as a getBounded() method
* to retrieve the stored bounded variables on demand prior to
* query execution.
*
* Based on Joomla! Platform 11.2
*/
interface Limitable
{
/**
* Method to modify a query already in string format with the needed
* additions to make the query limited to a particular number of
* results, or start at a particular offset. This method is used
* automatically by the __toString() method if it detects that the
* query implements the Limitable interface.
*
* @param string $query The query in string format
* @param integer $limit The limit for the result set
* @param integer $offset The offset for the result set
*
* @return string
*
* @since 12.1
*/
public function processLimit($query, $limit, $offset = 0);
/**
* Sets the offset and limit for the result set, if the database driver supports it.
*
* Usage:
* $query->setLimit(100, 0); (retrieve 100 rows, starting at first record)
* $query->setLimit(50, 50); (retrieve 50 rows, starting at 50th record)
*
* @param integer $limit The limit for the result set
* @param integer $offset The offset for the result set
*
* @return BaseQuery Returns this object to allow chaining.
*
* @since 12.1
*/
public function setLimit($limit = 0, $offset = 0);
}
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