Re: pg_migrator issues

Bruce Momjian escribió:

> I considered that but realize that pg_migrator has to read
> pg_controldata in both the old and new servers, meaning it would need
> access to both C structures, and considering they both have the same
> structure names, that would require some odd C tricks.  Add to that you
> don't know which version of Postgres you are migrating from/to during
> compile and the idea of using C becomes even less attractive.

However, keep in mind that this might not be the last time on which we
will want to read something from a C struct, so perhaps it would be good
to bite the bullet and write the odd tricks.  Does it already have
access (at compile time) to the old and new source trees?

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support