public function testRenameColumnFromColumnClass()
{
$driver = new MySQLDriver();
$args = new ArgumentArray();
$q = new AlterTableQuery('products');
$q->renameColumn(new Column('name'), new Column('title', 'varchar(30)'));
$sql = $q->toSql($driver, $args);
$this->assertQuery($q);
$this->assertEquals('ALTER TABLE `products` CHANGE COLUMN `name` `title` varchar(30)', $sql);
}