On Fri, May 28, 2010 at 3:20 PM, Peter Eisentraut <pete...@gmx.net> wrote: > On fre, 2010-05-28 at 15:03 -0400, Robert Haas wrote: >> I think we need to think of the comparison operators as ternary, and >> the COLLATE syntax applied to columns or present in queries as various >> ways of setting defaults or explicit overrides for what the third >> argument will end up being. > > How could this extend to things like isalpha() or upper() that would > need access to ctype information?
Good question. :-( -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise Postgres Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers