<?php /** * Zend Framework (http://framework.zend.com/) * * @link http://github.com/zendframework/zf2 for the canonical source repository * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ namespace Zend\Db\Sql\Ddl\Constraint; class Check extends AbstractConstraint { /** * @var string|\Zend\Db\Sql\ExpressionInterface */ protected $expression; /** * @var string */ protected $specification = 'CONSTRAINT %s CHECK (%s)'; /** * @param string|\Zend\Db\Sql\ExpressionInterface $expression * @param null|string $name */ public function __construct($expression, $name) { $this->expression = $expression; $this->name = $name; } /** * @return array */ public function getExpressionData() { return array(array( $this->specification, array($this->name, $this->expression), array(self::TYPE_IDENTIFIER, self::TYPE_LITERAL), )); } }