On Friday, October 07, 2011 01:42:13 AM Alex Goncharov wrote: > ,--- You/Florian (Fri, 7 Oct 2011 01:00:40 +0200) ----* > > | On Oct7, 2011, at 00:02 , Alex Goncharov wrote: > | > ,--- Florian Pflug (Thu, 6 Oct 2011 23:16:53 +0200) ----* > | > > | > | Sure, but there are still a lot of cases where the database could > | > | deduce (quite easily) that a result column cannot be null. > | > > | > > | > > | > Right. Of course. I can do it in 'psql'. > | > | > | > | For the result of an arbitrary query? > > In 'psql', no: I was commenting specifically, and confirming what you > said, on your > > a lot of cases where the database could deduce (quite easily) that a > result column cannot be null Could you quickly explain what exactly you want that information for? Just because it has been done before doesn't necessarily mean its a good idea...
Thanks, Andres -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
