I saw this issue severeal times in the list, and i think it might be fixed
in the trunk.

http://216.121.112.228/browse/NH-2540


2011/4/3 Krzysztof Kozmic <[email protected]>

> I'm on NHibernate 3.1 and I noticed something interesting:
>
> I have a property IsQuoteOnly on one of the entities that is mapped as
> YesNo to Oracle database.
>
> Now I have a LINQ Query that has in it
>
> .Where(x => x.IsQuoteOnly == false)
>
> that generates
>
> where  /* other conditions */
>       and case
>             when foo.IS_QUOTE_ONLY = 'Y' then 1
>             else 0
>           end = case
>                   when 0 /* :p2 */ = 1 then 1
>                   else 0
>                 end
>
> If I change that query to
>
> .Where(x => !x.IsQuoteOnly)
>
> I get more predictable
>
> where  /* other conditions */
>       and not (foo.IS_QUOTE_ONLY = 'Y')
>
> They both are correct and both return the same result. I just find the
> first one unnecessarily unreadable and it should IMO be
>
> where  /* other conditions */
>       and foo.IS_QUOTE_ONLY = 'N'
>
>
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