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RE: Obliterate - design status - table row changes

From: Johan Corveleyn <johan.corveleyn_at_uz.kuleuven.ac.be>
Date: Wed, 25 Nov 2009 11:32:36 +0100

Just a quick note: your "before" and "after" svg's don't seem to have a correct mime-type set. I.e. they open in plain text xml in FF. The other svg files that are referenced are rendered correctly (the response says "Content-Type: image/svg+xml", which seems to work).

Johan

> -----Oorspronkelijk bericht-----
> Van: Julian Foad [mailto:julianfoad_at_btopenworld.com]
> Verzonden: dinsdag 24 november 2009 19:46
> Aan: dev_at_subversion.tigris.org
> Onderwerp: Obliterate - design status - table row changes
>
> My recent focus on Obliterate has been learning how the DB tables hang
> together, working out how I need to change the stored data at the level
> of DB tables, and drawing diagrams of that.
>
> Links to the diagrams are at the end of
> <http://svn.apache.org/repos/asf/subversion/trunk/notes/obliterate/design-
> repos.html>
>
> and, of those, the pair I've just drawn and committed are "before",
> <http://svn.apache.org/repos/asf/subversion/trunk/notes/obliterate/schema-
> bdb-dd1-before.svg> and "after",
> <http://svn.apache.org/repos/asf/subversion/trunk/notes/obliterate/schema-
> bdb-dd1-after.svg>.
>
> Those show what table rows I think need to change to do a simple
> obliteration of a file "foo", like the first one shown in
> <http://svn.apache.org/repos/asf/subversion/trunk/notes/obliterate/fspec-
> dd1/dd1-file-ops.svg>.
>
> It's not in full detail.
>
> Comments, please?
>
> "Tables"? I'm using "tables" terminology because I'm looking at BDB at
> the moment because it seems better documented. I do intend to implement
> on FSFS first, though, if I can translate what I learned. However, if it
> is difficult to translate this from BDB to FSFS I will probably
> implement first on BDB to get something going, as I think it's important
> to have some working repositories to play with. (I thought I'd have that
> by now but it's not as simple as ... OK, I never believed it would be
> simple, but still.)
>
> - Julian
>
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Received on 2009-11-25 11:32:56 CET

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