| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Dimitri Fontaine <dimitri(at)2ndQuadrant(dot)fr> |
| Cc: | Peter Eisentraut <peter_e(at)gmx(dot)net>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: -Wformat-zero-length |
| Date: | 2012-08-11 01:25:23 |
| Message-ID: | 20120811012523.GA3576@momjian.us |
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| Lists: | pgsql-hackers |
On Sat, Aug 11, 2012 at 01:48:13AM +0200, Dimitri Fontaine wrote:
>
> >> 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?
You still need to run libpq applications, so would be doing some process
juggling to get the libpq clients to talk to a pipe.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
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