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Re: pg_upgrade does not completely honor --new-port

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Devrim GÜNDÜZ <devrim(at)gunduz(dot)org>
Cc: PostgreSQL Hackers ML <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pg_upgrade does not completely honor --new-port
Date: 2012-10-03 20:20:27
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Lists: pgsql-hackers
On Wed, Oct  3, 2012 at 11:00:16PM +0300, Devrim Gunduz wrote:
> Hi,
> On Wed, 2012-09-26 at 22:06 -0400, Bruce Momjian wrote:
> > > I just performed a test upgrade from 9.1 to 9.2, and used
> > > --new-port variable. However, the does not
> > > include the new port, thus when I run it, it fails. Any chance to 
> > > add the port number to the script?
> > 
> > Well, the reason people normally use the port number is to do a live
> > check, but obviously when the script is created it isn't doing a
> > check.  I am worried that if I do embed the port number in there, then
> > if they change the port after the upgrade, they now can't use the
> > script.  I assume users would have PGPORT set before running the
> > script, no? 
> They can't use the script in each way -- at least we can make it usable
> for one case, I think.

Well, my assumption is that they are unlikely to move the old _binary_
directory, but they are more likely to change the port number.  My point
is that if they change the port number to the default from a
non-default, or they set the PGPORT environment variable, the script
will work.  If we hard-code the port, it would not work.

In fact, pg_upgrade defaults to use port 50432 if they don't supply one.
We would embed the port number only if they supplied a custom port
number, but again, they might change that before going live with the new

I guess I am confused why you would use pg_upgrade, and start the new
server on a non-default port that isn't the same as PGPORT.

  Bruce Momjian  <bruce(at)momjian(dot)us>

  + It's impossible for everything to be true. +

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Subject: Re: pg_upgrade does not completely honor --new-port
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