public function providerForTestGetUniqueDDL()
{
$table = new Table('foo');
$column1 = new Column('bar1');
$column1->getDomain()->copy(new Domain('FOOTYPE'));
$table->addColumn($column1);
$column2 = new Column('bar2');
$column2->getDomain()->copy(new Domain('BARTYPE'));
$table->addColumn($column2);
$index = new Unique('babar');
$index->addColumn($column1);
$index->addColumn($column2);
$table->addUnique($index);
return array(array($index));
}