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Re: Minimizing the `revisions' table.

From: <cmpilato_at_collab.net>
Date: 2002-06-14 21:57:27 CEST

Greg Stein <gstein@lyra.org> writes:

> On Fri, Jun 14, 2002 at 02:33:45PM -0500, cmpilato@collab.net wrote:
> >...
> > CHANGES (a new table, duplicately keyed on Transaction Ids)
> > - a "changes" header
> > - the changed node revision id
> > - the filesystem path of the changed node revision id
> > - the kind of change: added, deleted, replaced or modified
>
> Ah. This scales *way* better (hadn't thought about scaling in my earlier
> response). You can just add rows rather than keeping a big glom in memory.
>
> How do you define replaced vs. modified? AFAIK, we never "modify".

Oh, "replace = delete + add", where modify means "text or prop
changes". Sorry for the ambiguitiy.

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Received on Fri Jun 14 21:59:48 2002

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