Re: -Wformat-zero-length

Dimitri Fontaine <dimitri@2ndquadrant.fr>

From: Dimitri Fontaine <dimitri@2ndQuadrant.fr>

To: Peter Eisentraut <peter_e@gmx.net>

Cc: Alvaro Herrera <alvherre@2ndquadrant.com>, Bruce Momjian <bruce@momjian.us>, Robert Haas <robertmhaas@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>, Pg Hackers <pgsql-hackers@postgresql.org>

Date: 2012-08-10T23:48:13Z

Lists: pgsql-hackers

>> Another thing worth considering is to have pg_upgrade init, stop and
>> start clusters as necessary instead of requesting the user to do it.
>> I think this is two less steps.
> 
> Then you'd need to expose the entire pg_ctl shutdown mode logic through pg_upgrade, which might not make things simpler.

What about having single user mode talk fe/be protocol, and talk to it via a UNIX pipe, with pg_upgrade starting the single user backend as a subprocess?

-- 
dim