I recently started investigating CQRS and DDD for a green field project that I\'m about to start. I studied a great deal of material from Udi Dahan, Greg Young, Mark Nijhof and
CQRS states nothing about that there shouldn't be domain logic in the query part of the application. If it's possible and practical then it's ok to have separate denormalized query stores for every aspect or even query of your application but of course it is not necessary.
In short, a query is a query, no matter how complex the task of finding it's answer.