Re: Returning arbitrary row sets from a function

Gerard Mason wrote:
> Well, is it possible to run two different versions of postgresql 
> side-by-side on the same machine? I don't want to end up with a 
> non-working database just because I've made some stupid mistake 
> installing a new version, and then find that I can't revert back to the 
> old one either.

Is the original installed from source, or from some sort of package? If 
the latter, reverting should be easy. Just make sure you save a copy of 
the old data directory off to the side somewhere (taken *after* dumping 
and shutting down the old postmaster).

> Is it at least possible to have two different versions installed 
> side-by-side, even if you can only have one running at a time?

You can, but it's tricky to get it right.

Joe