On 10/14/15 1:50 PM, Andres Freund wrote: > On October 14, 2015 7:45:53 PM GMT+02:00, Alvaro Herrera > <alvhe...@2ndquadrant.com> wrote: >> Amir Rohan wrote: >> >>> it does fail the "dependent options" test: >>> $ postgres -C "archive_mode" >>> on >>> $ postgres -C wal_level >>> minimal >>> >>> no errors, great, let's try it: >>> $ pg_ctl restart >>> >>> FATAL: WAL archival cannot be enabled when wal_level is "minimal" >> >> This complaint could be fixed we had a --check-config that runs the >> check hook for every variable, I think.
I think that would be widely useful and fairly uncontroversial. > The problem is that this, and some others, invariant is checked outside the > GUC framework. Which we should probably change, which IIRC will require some > new infrastructure. In the extreme, this problem is not solvable (halting problem). If we had a dry-run checking functionality, there would probably be more incentive to normalize many of the common dependency cases into a declarative system. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
