Hi all, I'm wondering whether there would be any extra overhead (CPU, memory, io, etc), above and beyond the implicit ACCESS SHARE, incurred by putting a simple SELECT into a transaction block? Cheers, -Blair -- In science one tries to tell people, in such a way as to be understood by everyone, something that no one ever knew before. But in poetry, it's the exact opposite. - Paul Dirac -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general