On Tue, Feb 2, 2021, at 17:00, Tom Lane wrote:
>No, I think it's correct as-is (and this is one reason that I chose to
>have two separate FK entries for cases like this). confrelid can be
>zero in rows that are not FK constraints. However, such a row must
>also have empty confkey. The above entry states that for each element
>of confkey, the pair (confrelid,confkey[i]) must be nonzero and have
>a match in pg_attribute. It creates no constraint if confkey is empty.
Thanks for explaining, I get it now.
>Appreciate the review! Please confirm if you agree with above
>analysis.
Yes, I agree with the analysis.
/Joel
