On 2021-01-18 00:35, Robert Haas wrote:
> I don't have any complaint about labelling some of the unique indexes
> as primary keys, but I think installing foreign keys that don't really
> enforce anything may lead to confusion.
FWIW, "not enforced" constraints (such as foreign keys) is a feature
that is in the SQL standard and in other SQL implementations.
--
Peter Eisentraut
2ndQuadrant, an EDB company
https://www.2ndquadrant.com/