> I just upgraded to NH 3 Alpha. Some of my original unit tests failed and
> this one bothers me as to why its failing.
>
> This Fails
> int result = Repository.Where(x => !x.IsDeleted).Where(x => x.Parent ==
> null).Count();
>
> This Succeeds (calling ToList() before second where) int result =
> Repository.Where(x => !x.IsDeleted).ToList().Where(x => x.Parent ==
> null).Count();
yes, because the second where is done in-memory, so the second where
is the problem.
> also this Succeeds (proving it can't be a mapping issue) int result =
> Repository.Where(x => !x.IsDeleted).Count()
but, does
int result = Repository.Where(x => x.Parent == null).Count();
work? Likely not :)
> The error I get is
> No persister for: Common.Entity.EntityBase.
>
> EntityBase is just an abstract class I inherit from that provides me some
> common properties for all entities.
x=>x.Parent == null, might run into this problem, no idea. If you
do:
int result = Repository.Where(x => !x.IsDeleted).Where(x => x.Parent.Id ==
null).Count();
does that fix it? If so, the code path which translates
parameter.Member == null to a pk predicate isn't 100% fail safe.
FB
>
> Any ideas ??
>
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