bojanb wrote: > > On Oct 29, 5:32 pm, "Michael Bayer" <mike...@zzzcomputing.com> wrote: > >> how would the UOW "honor" RESTRICT ? if you tell it to delete a parent, >> and you didn't tell it to delete a child, and you have a non-nullable FK >> or RESTRICT, you'd expect it to....throw an error, right ? isn't that >> what happens here ? > > Well I don't know if we understand each other. If I have a ForeignKey > defined with ondelete='RESTRICT', and I delete the parent, no errors > are thrown. > > This only becomes apperent when you have a foreign key that is NOT > defined as non-nullable. Even if you define it to be non-nullable, the > error thrown when you try to delete the parent is not "update or > delete on table <parent_table> violates foreign key constraint", but > "null value in column <child_column> violates not-null constraint". > > I've created a ticket (http://www.sqlalchemy.org/trac/ticket/1594) > with more details and a test case to make it clearer.
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