I went through your code and I have following comments/questions:
one more comment: 7) Hash opclass is absent. Hash opclass framework is used for hash join. -- Teodor Sigaev E-mail: [EMAIL PROTECTED] WWW: http://www.sigaev.ru/ -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers