| 1234567891011121314151617181920212223242526272829303132333435363738394041424344 | <?phpuse yii\db\Migration;class m160516_021204_admin_role extends Migration{    public function up()    {		$sql1 = "			CREATE TABLE IF NOT EXISTS `admin_role` (			  `role_id` int(15) NOT NULL AUTO_INCREMENT,			  `role_name` varchar(100) CHARACTER SET utf8 DEFAULT NULL COMMENT '权限名字',			  `role_description` varchar(255) CHARACTER SET utf8 DEFAULT NULL COMMENT '权限描述',			  PRIMARY KEY (`role_id`)			) ENGINE=InnoDB  DEFAULT CHARSET=latin1 AUTO_INCREMENT=14 ;			";		$this->execute($sql1);		$sql2 = "			INSERT INTO `admin_role` (`role_id`, `role_name`, `role_description`) VALUES			(4, 'admin', '超级用户'),			(12, '账户管理员', '账户管理员'),			(13, 'ceshi', 'ceshi');		";		$this->execute($sql2);    }    public function down()    {        echo "m160516_021204_admin_role cannot be reverted.\n";        return false;    }    /*    // Use safeUp/safeDown to run migration code within a transaction    public function safeUp()    {    }    public function safeDown()    {    }    */}
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