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Re: reducing NUMERIC size for 9.1

David E. Wheeler <david@kineticode.com>

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From: "David E. Wheeler" <david@kineticode.com>
To: Thom Brown <thombrown@gmail.com>
Cc: Brendan Jurd <direvus@gmail.com>, Richard Huxton <dev@archonet.com>, Robert Haas <robertmhaas@gmail.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2010-07-16T16:03:27Z
Lists: pgsql-hackers 
On Jul 16, 2010, at 6:17 AM, Thom Brown wrote:

> Joy! :)  Nice patch Robert.

Indeed.

What are the implications for pg_upgrade? Will a database with values created before the patch continue to work after the patch has been applied (as happened with the new hstore in 9.0), or will pg_upgrade need to be taught how to upgrade the old storage format?

Best,

David