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<?php
/**
 * Part of the Joomla Framework Database Package
 *
 * @copyright  Copyright (C) 2005 - 2021 Open Source Matters, Inc. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE
 */

namespace Joomla\Database\Query;

use Joomla\Database\QueryInterface;

trigger_deprecation(
	'joomla/database',
	'2.0.0',
	'%s() is deprecated and will be removed in 3.0, all query objects should implement %s instead.',
	LimitableInterface::class,
	QueryInterface::class
);

/**
 * Joomla Database Query LimitableInterface.
 *
 * @since       1.0
 * @deprecated  3.0  Capabilities will be required in Joomla\Database\QueryInterface
 */
interface LimitableInterface
{
	/**
	 * 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.
	 *
	 * @param   string   $query   The query in string format
	 * @param   integer  $limit   The limit for the result set
	 * @param   integer  $offset  The offset for the result set
	 *
	 * @return  string
	 *
	 * @since   1.0
	 */
	public function processLimit($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  $this
	 *
	 * @since   1.0
	 */
	public function setLimit($limit = 0, $offset = 0);
}