If it is relevant the property in question is a string property On Aug 3, 9:11 am, Alex McMahon <[email protected]> wrote: > I have a shambles of a database schema that I can't change that has a > table with no primary key, the only uniqueness is across all 4 > columns. To map this I've used a Composite Id for all 4 columns. The > problem now is that when I try to remove an instance of this entity > from the owner's collection and call save on the owner (mapped with > Cascade.AllDeleteOrphan()) it fails (unexpected row count, expected 1, > actual 0). Looking at the generated sql in NHProf it's because the > query being generated is using = NULL for one of the properties rather > than is Null. > > Is this a known problem? Any ideas for workarounds? > > I'm using NH 2.1.0.4000 > Oracle 10g database
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