Bill <pg@xxxxxxxxxx> writes: > I removed the domain from the category_id and version columns leaving > the following table, trigger function and trigger. The trigger function > is still not called when I insert a new row. Any other ideas? You're still expecting the trigger to get invoked before any constraints are enforced (the NOT NULLs being the problem here, I think). Again, you can enforce things through a trigger or through a table constraint, but mixing and matching won't work too well. regards, tom lane