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From Victor Antonovich <v.antonov...@gmail.com>
Subject Re: Queries against to-many relationships with 'NOT' subexpressions
Date Thu, 26 Aug 2010 15:42:20 GMT
Hello!

25.08.2010 03:45, Aristedes Maniatis wrote:

>
> On the page I referenced you can see two important ideas. A split join
> (aliased path) will let you create two different joins so that you can
> separate out your two parts of the query. And an outer join is usually
> what you need when you want to find the negation of a relationship. But
> that depends on whether you mean:
>
> 1. find all records which are joined to records other than 'admin', OR
> 2. find all records which are not joined to 'admin' (including records
> which aren't joined to anything)
>
> depending on which one you are after will determine how you need to
> build this query
>
>
> Ari
>

Basically, I want to get by single request all records joined to some 
group but not joined to another.

Regards,
Victor.

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