On Wed, Dec 4, 2013 at 12:18 PM, Andrew Dunstan <andrew@dunslane.net> wrote:
>> Interestingly, the variant for which you can't think of a use case is
>> the one I've missed most. Typical examples in my experience are
>> things like project.project_manager_id references person (id) where
>> person.is_project_manager, or alert (device_id) references device (id)
>> where not device.deleted.
>>
> OK, those make sense. I wonder whether this should be done via a USING
> clause on the constraint that pointed to the partial unique index. Or would
> that be too obscure?
I wondered that, too.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
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