Peter Mount <petermount@it.maidstone.gov.uk> writes:
> Has anything changed in the system tables pg_proc or pg_type since 7.0.0 was
> released?
No ... we don't change system tables in patch releases, as a matter of
policy.
The current development tip is another story of course, but I assume
you are looking at reports from people running 7.0.*. Might be useful
to get them to try the same queries in psql.
regards, tom lane