Re: updated hstore patch - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: updated hstore patch
Date
Msg-id 201002230223.o1N2NDh12713@momjian.us
Whole thread Raw
In response to Re: updated hstore patch  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Tom Lane wrote:
> "David E. Wheeler" <david@kineticode.com> writes:
> > On Sep 20, 2009, at 8:43 AM, Tom Lane wrote:
> >> Yeah, this is a long-standing generic issue, and not really hstore's
> >> problem to fix.
> 
> > So then does there need to be some documentation for how to deal with  
> > this, for those doing an in-place upgrade from an existing hstore data  
> > type? Or would that discussion be in Bruce's tool's docs?
> 
> I'm inclined to correct the existing documentation, which says at the
> bottom of http://developer.postgresql.org/pgdocs/postgres/contrib.html
> 
>   After a major-version upgrade of PostgreSQL, run the installation script
>   again, even though the module's objects might have been brought forward
>   from the old installation by dump and restore. This ensures that any new
>   functions will be available and any needed corrections will be applied.
> 
> That recipe doesn't actually work for cases like this.  What *would*
> work is loading the module *before* restoring from your old dump,
> then relying on the CREATEs from the incoming dump to fail.
> 
> I believe we have already discussed the necessity for pg_upgrade to
> support this type of subterfuge.  A module facility would be a lot
> better of course, but we still need something for upgrading existing
> databases that don't contain the module structure.

Would someone please explain what needs to be done here?  This is the
original email but I can't figure out what to do about it:
http://archives.postgresql.org/pgsql-hackers/2009-09/msg01368.php

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.comPG East:  http://www.enterprisedb.com/community/nav-pg-east-2010.do + If your life is a hard
drive,Christ can be your backup. +
 


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