On fre, 2011-05-06 at 18:38 -0300, Alvaro Herrera wrote: > I remember that one of the problems put forth against this idea was > that stuff like int2+int2 which currently returns int2 would have to > be changed to return int4, otherwise it risks overflow which it > currently doesn't (not because the operator would change, but rather > because some expressions would be lexed differently). And so on with > other operators. I am not sure how severe this problem is for users > in practice -- my uneducated guess is that mostly they will not care > about such changes.
Modulo backward compatibility concerns, I don't think it would necessarily be wrong if int2+int2 returned int4. sum(int2) returns int8, and no one seems bothered by that. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
