On Tue, 2009-01-27 at 13:06 +0100, Zdenek Kotala wrote:
> Space reservation MUST TO be implemented if we
> want to have 8.4->8.5 upgrade.
Why not just add a few dummy columns onto each catalog table? If we need
space to expand a row we can just drop one of the dummy columns from the
new catalog definition.
That's an old DBA trick to avoid having to rewrite a table when you want
to add a column.
Seems much simpler to add columns than write special code, especially
when we might find the new code has bugs and hasn't done what we thought
Simon Riggs www.2ndQuadrant.com
PostgreSQL Training, Services and Support
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