I wrote:
A perhaps less invasive idea is to discard any proposed mergeclauses
that are redundant in this sense. This would still require some
reshuffling of responsibility between select_mergejoin_clauses and
the code in pathkeys.c, since right now select_mergejoin_clauses
takes no account
So I adjusted the patch I was working on as suggested here
http://archives.postgresql.org/pgsql-hackers/2008-01/msg00251.php
and things started blowing up all over the place --- Assert failures,
too few pathkeys for mergeclauses errors, etc :-(
On investigation, the problem seems to be a bit of
Tom Lane wrote:
I think I can fix this in a day or so, but I now definitely feel that
we'll need an RC2 :-(
Understood. :-|
--
Bruce Momjian [EMAIL PROTECTED]http://momjian.us
EnterpriseDB http://postgres.enterprisedb.com
+ If your life is a hard