Karl Denninger <karl(at)denninger(dot)net> writes:
> One more question - for safety do I also need to drop all the other
> previously-declared public functions such as rank*() (in all its forms)
> and concat even thought they do not reference the shared library, or are
> they safe to leave there? I see there are pg_catalog copies of these as
> well....
I dunno about safety offhand, but I'd definitely make an effort to get
rid of them --- at minimum, you're risking confusion by leaving them
around. All of the modern text search support functions are in
pg_catalog.
regards, tom lane