On tor, 2011-03-10 at 18:12 -0500, Tom Lane wrote: > What I'm inclined to do about this is set "default"'s collencoding to > -1, with the semantics of "works for any encoding", and fix the lookup > routines to try -1 if they don't get a match with the database > encoding. Having done that, we could also use -1 for "C" and "POSIX", > thus avoiding having to make a bunch of duplicate entries for them.
Good idea. > BTW, I would like to eventually have "C" and "POSIX" in there all the > time (ie created by pg_collation.h), so that they can be used even in > machines that don't have locale_t support. I haven't yet gotten > around to reading the parts of the collation patch that might need to > change to support this, so I'm not sure how much work it'd be. But > I'd say that being able to do COLLATE "C" in an otherwise non-C > database would cover a very large fraction of the user requests I've > read about this, so being able to handle that case even without > locale_t support would be really useful IMO. That should actually already work. The relevant logic is in varstr_cmp(). But good point. We should support this out of the box on all platforms. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers