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From: Andreas Ericsson <ae@op5.se>
To: Jon Smirl <jonsmirl@gmail.com>
Cc: Theodore Tso <tytso@mit.edu>, Junio C Hamano <gitster@pobox.com>,
	Git Mailing List <git@vger.kernel.org>
Subject: Re: Git's database structure
Date: Wed, 05 Sep 2007 16:51:26 +0200	[thread overview]
Message-ID: <46DEC26E.7030809@op5.se> (raw)
In-Reply-To: <9e4733910709050641j34d58683ra72caa52c56cdf0f@mail.gmail.com>

Jon Smirl wrote:
> 
> The path name field needs to be moved back into the blobs to support
> alternative indexes. For example I want an index on the Signed-off-by
> field. I use this index to give me the SHAs for the blobs
> Signed-off-by a particular person. In the current design I have no way
> of recovering the path name for these blobs other than a brute force
> search following every path looking for the right SHA.
> 

Ah, there we go. A use-case at last :)

So now we have a concrete problem that we can formulate thus:
"How can one create a database listing the relationship between 'signers'
and blobs?"

So the second question: Do you seriously argue that git should take a
huge performance loss on its common operations to accommodate a need that
I suspect very few people have?

-- 
Andreas Ericsson                   andreas.ericsson@op5.se
OP5 AB                             www.op5.se
Tel: +46 8-230225                  Fax: +46 8-230231

  reply	other threads:[~2007-09-05 15:19 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-04 15:23 Git's database structure Jon Smirl
2007-09-04 15:55 ` Andreas Ericsson
2007-09-04 16:07   ` Mike Hommey
2007-09-04 16:10     ` Andreas Ericsson
2007-09-04 16:19   ` Jon Smirl
2007-09-04 16:29     ` Andreas Ericsson
2007-09-04 17:09     ` Jeff King
2007-09-04 20:17     ` David Tweed
2007-09-04 17:21   ` Junio C Hamano
2007-09-04 16:28 ` Jon Smirl
2007-09-04 16:31   ` Andreas Ericsson
2007-09-04 16:47     ` Jon Smirl
2007-09-04 16:51       ` Andreas Ericsson
2007-09-04 17:25   ` Junio C Hamano
2007-09-04 17:44     ` Jon Smirl
2007-09-04 18:04       ` Mike Hommey
2007-09-04 19:44         ` Reece Dunn
2007-09-04 18:06       ` Junio C Hamano
2007-09-04 21:25       ` Theodore Tso
2007-09-04 21:54         ` Jon Smirl
2007-09-05  7:18           ` Andreas Ericsson
2007-09-05 13:41             ` Jon Smirl
2007-09-05 14:51               ` Andreas Ericsson [this message]
2007-09-05 15:37                 ` Jon Smirl
2007-09-05 15:54                   ` Julian Phillips
2007-09-05 16:12                     ` Jon Smirl
2007-09-05 17:31                       ` Julian Phillips
2007-09-06  1:27                         ` Kyle Moffett
2007-09-05 17:39                       ` Mike Hommey
2007-09-06  8:49                       ` Andreas Ericsson
2007-09-06  9:09                         ` Junio C Hamano
2007-09-06 11:03                           ` Wincent Colaiuta
2007-09-06 12:56                       ` Johannes Schindelin
2007-09-06 18:14                         ` Steven Grimm
2007-09-07  0:33                       ` Martin Langhoff
2007-09-05 19:52               ` Andy Parkins
2007-09-04 17:19 ` Julian Phillips
2007-09-04 17:30   ` Jon Smirl
2007-09-04 18:51     ` Andreas Ericsson

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