Sorry for the bit unusual answer to your bit unusual question: the easiest 
way to join tables instead of entities is... not to use Doctrine ORM at 
all! Why are you using an ORM anyway? ;-)

Now seriously. At the moment I'm working on an ACL in Doctrine too, based 
on a legacy application, with both nested resources (categories etc.) and 
nested subjects (users, usergroups etc.). I don''t want to change the 
database, for I want the old application to keep working too as there is a 
lot of legacy code built upon it. But I am looking for ways to access the 
resources in an OOP way, building a good model for the Access Control. It 
is a challenge, but I'm convinced that *a good object-model voor Access 
Control in the end will not only have a good performance, but will also be 
much more maintainable*. So, my advice would be: I'd challenge the 
assumption that an object-model for Access Control would give too many 
entities. I'll be happy to exchange my ideas and experiments with it so 
far. Falling back to plain SQL is a dead end for me. 

*- Herman*

On Thursday, 6 March 2014 11:36:55 UTC+1, Matthieu Napoli wrote:
>
> Hi there,
>
> I want to do something a bit unusual: perform DQL queries and join with 
> SQL tables, not entities.
>
> The reason behind this is I want to be able to load, for example, all the 
> Products the User can see. I have an ACL system where there's a table with 
> all the authorizations from User to an ACL resource (e.g. a Product id). I 
> don't want to use entities here, because there will be a LOT of ACL 
> entries, and a lot of things on which I want to restrict access too 
> (Products, Categories, …).
>
> So I'm looking for any way possible to do this. I know it's not possible 
> natively in DQL, but would that be possible in any other way? Like a Query 
> Hint? Or providing Doctrine "false" metadatas, or whatever?
>
> Thanks
> Matthieu
>

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