doctrine/dbal — pull request #264 by frosas (2013-01-31 16:06:43+00:00)
Title: Allow passing empty arrays as parameters

Right now something like

```php
$entityManager
->createQuery("SELECT e FROM Entity e WHERE e IN (:entities)")
->execute(array('entities' => array()));
```

produces a `Warning: array_fill(): Number of elements must be positive`