Re: multi column foreign key for implicitly unique columns

Bruno,

> If users is supposed to reference status you can do this by adding a
> relation column to users, using a constraint to force relation to always be
> 'users' and then having (status, relation) being a foreign key.

But that requires the addition of an extra, indexed Text column to the table.
And the "status" reference table is not the only place I need this construct;
I have other relationships to reference tables which are similar. It would
amount to adding probably a total of 25-40 columns to various tables in my
database overall; maybe 100MB of completely redundant data. :-(

I'll wait for ASSERTIONS, I think.

--
--Josh

Josh Berkus
Aglio Database Solutions
San Francisco