Using native SQL query without entity class

Question

I need to create native SQL query with couple of unions and subqueries. It'll look approximately like this:

SELECT res.id, COUNT(*) as count_ids FROM (     SELECT a.id FROM ... a WHERE ... LIKE ('%:param%')     UNION ALL     SELECT b.id FROM ... b WHERE ... LIKE ('%:param%')     UNION ALL     ... ) res GROUP BY res.id ORDER BY count_ids asc 

Result won't match any Entity I use in my application. Is it possible to create ResultSetMapping with "anonymous" object? Or is it, at least, possible to create an Entity that wouldn't create table next time I update schema, so I can map results to it?

Or is there any other Doctrine-friendly way to deal with such query? Making changes to database isn't possible though, as I'm dealing with legacy stuff that cannot be touched. I'd also strongly prefer if I did everything on database side, not involving much of PHP in it.

Answer 1

Do you have a particular need to map results to a domain object? If not, you could use the DBAL to make a plain old query, which will return an array, as detailed in the Symfony2 cookbook and the Doctrine DBAL documentation:

$conn = $this->container->get('database_connection'); $sql = 'SELECT res.id, COUNT(*)...'; $rows = $conn->query($sql);