Databas has no Object Identifier Types & Functions

[Rebecca Clarke <r.clarke83@xxxxxxxxx>]

Hi there,

I'm running postgresql 8.4 on a debian system. I have a database that has no object identifier types and functions in the pg_catalog, 

e.g.  regclass, regclassout.

What's the best way to get these in to this database? I don't want to upgrade postgresql.

There are other databases on the server that do have them.

Thanks

R Clarke