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Re: Inverted index to accelerate guix package search

From: zimoun
Subject: Re: Inverted index to accelerate guix package search
Date: Wed, 15 Jan 2020 13:00:40 +0100

On Wed, 15 Jan 2020 at 10:06, Pierre Neidhardt <address@hidden> wrote:

> We can always keep our current regexp search (which is trivial) for
> those who really want it.  I believe that Xapian is much more usable
> than regexps on a daily basis.

What do you mean by trivial?

The command "guix search" supports the full Guile regexp engine, if I
remember well.

> > On the other hand, I can extend the inverted index implementation
> > to support regular expression searches. Personally, I don't use regular
> > expression based search queries, and don't think they are very useful
> > especially if we make use of xapian's stemming. What do people think?
> Agreed!
> I see this with my emails (Notmuch): I type whatever words I remember
> and whoever names was involved in a thread and I systematically find
> it.  I've used it for months and it never missed! :)

The key point here is the scoring.

Type whatever words you remember in the GNU mailing search engine.

All the best,

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