Re: rmgr hooks and contrib/rmgr_hook

Gregory Stark <stark(at)enterprisedb(dot)com> writes:
> Simon Riggs <simon(at)2ndQuadrant(dot)com> writes:
>> Indexes have always been able to be added dynamically. Now they can be
>> recovered correctly as well.

> Hm, so currently if you want to add a new indexam you can't just insert into
> pg_am and make them recoverable. You basically have to build in your new index
> access method into Postgres with the new rmgr. That is annoying and a problem
> worth tackling.

I concur with Heikki that that's not exactly a compelling use-case.
I've never heard of anyone building a non-core index AM at all; much
less trying to use it in a production context. Given the obvious
potential for version-mismatch-type problems, it's hard to believe
that anyone ever would try.

regards, tom lane