From: "Sebastian Spaeth" <Sebastian@SSpaeth.de>
To: Jason White <jason@jasonjgw.net>, notmuch@notmuchmail.org
Subject: Re: [PATCH] allow to not sort the search results
Date: Wed, 14 Apr 2010 09:51:11 +0200 [thread overview]
Message-ID: <87hbnebhg0.fsf@SSpaeth.de> (raw)
In-Reply-To: <20100414065525.GA11770@jdc.jasonjgw.net>
On 2010-04-14, Jason White wrote:
> > Also add a --sort=unsorted command line option to notmuch search to test this.
>
> Does this provide relevance-ranked search results? I think relevance ranking
> is the Xapian default if a sort order isn't specified.
Yes, by default it is using sort_by_relevance, so "unsorted" implies
just that. (in fact, a previous incarnation of this patch called it
--sort=relevance)
However, given that many of our terms, are boolean, relevance only
really comes into play when including terms within the body of a
message. (and *I* have not found the relevance sorting to be much useful
yet when I cared about some sort order, but that might just be me).
> It would be useful to be able to obtain a relevance-ranked list of messages or
> threads that satisfy a query.
I would be happy to have it called --sort=relevance too, the unsorted
points out potential performance improvements a bit better, IMHO
(although they seem to be really small with a warm cache).
Sebastian
next prev parent reply other threads:[~2010-04-14 7:51 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-14 6:30 [PATCH] allow to not sort the search results Sebastian Spaeth
2010-04-14 6:55 ` Jason White
2010-04-14 7:51 ` Sebastian Spaeth [this message]
2010-04-15 12:54 ` Olly Betts
2010-04-16 6:37 ` Sebastian Spaeth
2010-04-16 6:38 ` [PATCH 1/3] query.cc: allow to return query results unsorted Sebastian Spaeth
2010-04-16 6:38 ` [PATCH 2/3] notmuch-search: Introduce --sort=unsorted Sebastian Spaeth
2010-04-16 6:38 ` [PATCH 3/3] notmuch-tag: don't sort messages before applying tag changes Sebastian Spaeth
2010-04-16 6:58 ` [PATCH] allow to not sort the search results Olly Betts
2010-04-18 13:56 ` Sebastian Spaeth
2010-04-21 23:09 ` Carl Worth
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