2009/11/22 Scott Marlowe <scott.marl...@gmail.com> > > Thanks Scott. It's a shame a function has to be used because it then has > > the dependency of plpgsql being loaded. I'm attempting to write a > database > > schema to accompany a PostgreSQL driver for a popular CMS, but I guess I > > could get it to load plpgsql in as a language. > > The problem now is if the the schema creation script is run against a > > database where the language is already installed, I would get an error > > saying it already exists. Is there a way to get it to check for it > first, > > and only create it if it isn't exist? Bear in mind I'd want this to be > > compatible at least as far back as 8.1. > > Try this: > > select * from pg_language ; > > Pretty sure that exists pretty far back. >
Yes, I noticed that existed in the catalogs, but how could that be incorporated into an installation SQL script? The language constructs I imagine I'd need to test that are in plpgsql itself. Thanks Thom
