I'm mapping bidirectional through the PK, so the PK of both tables are
the same.

Like I said it works the first time and then failed to include the
where clause the 2nd, so if I was doing something horribly wrong I'd
think it should fail the first time. The fact that the 2nd query
include the correct parameters but never uses them sounds more like a
bug in NHibernate to me.



On Nov 15, 6:21 pm, Fabio Maulo <[email protected]> wrote:
> There 3 mapping patterns to map a one-to-one.
> Just one for unidirectional relation
> Two for bidirectional (oen through PK the other through FK).
>
> Which is your case?
>
> --
> Fabio Maulo
>
> El 15/11/2010, a las 16:25, Scott <[email protected]> escribió:
>
>
>
> > A little more I discovered after testing.
>
> > It doesn't matter if the Child is null, I added the records and it
> > still does the same thing.
>
> > And it only happens the 2nd time through, the first time everything is
> > fine, the 2nd time and the query is wrong doing the exact same thing.
>
> > On Nov 15, 10:51 am, Scott <[email protected]> wrote:
> >> I have a one-to-one relationship and when the child table is null for
> >> the main object the SQL query that's created is wrong, it gives it a
> >> parameter of the primary key but it never uses this parameter in the
> >> query itself. This causes it to return all records in the table and a
> >> "More than one row with the given identifier was found" error when
> >> actually it shouldn't be finding anything.
>
> >> Parent has:
> >> <one-to-one name="Profile" class="DatabaseModel.Models.UserProfile,
> >> DatabaseModel" cascade="all" property-ref="UserInfo" />
>
> >> Child has:
> >> <one-to-one name="UserInfo" class="DatabaseModel.Models.UserInfo"
> >> cascade="delete" constrained="true" />
>
> >> The query that gets generated is:
> >> exec sp_executesql N'SELECT userprofil0_.UserInfoRefId as
> >> UserInfo1_4_0_, userprofil0_.Version as Version4_0_,
> >> userprofil0_.CurrentRosmatRefId as CurrentR3_4_0_ FROM UserProfile
> >> userprofil0_',N'@p0 uniqueidentifier',@p0='60E9764B-
> >> D48E-4260-81BC-308B3486851F'
>
> >> Notice the lack of a WHERE clause
>
> >> This is what I think it should be:
> >> exec sp_executesql N'SELECT userprofil0_.UserInfoRefId as
> >> UserInfo1_4_0_, userprofil0_.Version as Version4_0_,
> >> userprofil0_.CurrentRosmatRefId as CurrentR3_4_0_ FROM UserProfile
> >> userprofil0_ WHERE userprofil0_.userinforef...@p0',N'@p0
> >> uniqueidentifier',@p0='60E9764B-D48E-4260-81BC-308B3486851F'
>
> >> This is on NHibernate 2.1.2
>
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