Karsten Hilbert <Karsten.Hilbert@gmx.net> writes:
> This is what my 8.3 manual says:
> conkey │ int2[] │ pg_attribute.attnum │ If a table constraint, list of columns which the constraint constrains │
> From that I wouldn't have figured it'd apply to foreign keys
> as well. So I assume it is fair to say that "foreign keys
> are one type of table constraint", right ?
Right. I think what the comment is actually trying to point out is that
conkey isn't relevant to domain constraints, which also appear in
pg_constraint.
regards, tom lane
