From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
---|---|
To: | Bruce Momjian <bruce(at)momjian(dot)us> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: pg_upgrade automatic testing |
Date: | 2011-09-02 14:36:01 |
Message-ID: | 1314974161.29051.1.camel@fsopti579.F-Secure.com |
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Lists: | pgsql-hackers |
On tor, 2011-09-01 at 18:55 -0400, Bruce Momjian wrote:
> Tom Lane wrote:
> > Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> > > +# contrib/pg_upgrade/test.sh
> > > +#
> > > +# Test driver for pg_upgrade. Initializes a new database cluster,
> > > +# runs the regression tests (to put in some data), runs pg_dumpall,
> > > +# runs pg_upgrade, runs pg_dumpall again, compares the dumps.
> >
> > Hm .. my experience is that that doesn't work at all, because the
> > regression tests set up assorted C functions whose implementations are
> > in pg_regress.so, and it creates them with absolute path references
> > to pg_regress.so. When you try to load that into another installation
> > that's a different version of PG, it quite properly fails. So I think
> > that as given, this script is only useful for testing pg_upgrade of
> > $currentversion to $currentversion. Which is surely better than no test
>
> Reminder --- you can't use pg_upgrade to go from the same catalog
> version to the same catalog version because the catalog version is
> embedded in the tablespace directory name.
Well, it does work, but only because the regression tests don't keep a
tablespace around at the end. Would pg_upgrade complain otherwise?
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