Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>,
Greg Smith <greg(at)2ndquadrant(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>,
Josh Berkus <josh(at)agliodbs(dot)com>,
PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Tom Lane wrote:
> (FWIW, my recollection of the original design intention for
> pg_controldata was that it was meant as a troubleshooting tool if the
> database wouldn't start up. I'm somewhat bemused to hear that people
> are trying to use it as part of production scripts. It wasn't meant to
> produce machine-readable output, much less to give values that you could
> rely on with respect to a running server.)
pg_migrator reads/parses the output of pg_controldata for cluster
compatibility checking and for setting counters.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
PG East: http://www.enterprisedb.com/community/nav-pg-east-2010.do