On Wed, Nov 24, 2010 at 3:37 PM, Peter Eisentraut <pete...@gmx.net> wrote: > On tor, 2010-10-14 at 22:54 -0400, Robert Haas wrote: >> It seems you've falsified the header comment in >> pathkeys_useful_for_merging(), although I guess it's already false >> because it doesn't seem to have been updated for the NULLS ASC/DESC >> stuff, and the interior comment in right_merge_direction() also needs >> adjusting. But this might be more than a documentation problem, >> because the choice of merge direction really *is* arbitrary in the >> case of ASC/DESC and NULLS FIRST/LAST, but I'm not sure whether that's >> actually true for collation. If collation affects the definition of >> equality then it certainly isn't true. > > I did check that again and didn't arrive at the conclusion that the > comments would need updating either with respect to this patch or some > previous change. Could you check again and possibly provide a > suggestion?
I think that you are right and that my previous comment was erroneous. Sorry for the noise. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers