[Xapian-discuss] date handling

[mlewis at xelent.net]

Thanks, Olly. I take a look at both.

-- Michael

Quoting Olly Betts <olly at survex.com>:

> On Mon, Oct 16, 2006 at 04:14:03AM -0400, mlewis at xelent.net wrote:
> > I need to be able to do a full text search AND limit my choices by
> > date. For example, all documents containing "programming php between
> > 2006-05-01 and 2006-10-01" or "foreach before 2006-02-01". Is there a
> > mechinism within Xapian that I can use for this to do a fast,
> > efficient search?
>
> You can either put the date in a document value use a MatchDecider
> to only match documents with the desired date criteria, or you do
> what Omega does and add terms for the year, month, and date, and
> build a suitable boolean expression to cover the date range you
> want.  Probably easiest to just look at the Omega code and docs
> to see how that works.
>
> Omega's approach predates the MatchDecider concept.  Currently it
> still has at least one advantage - the bounds on the match statistics
> are usually much better.  It may currently be faster too, but I've not
> benchmarked the two approaches to see.  There are plans in the pipeline
> to try to address both of these issues - then I think Omega will
> probably switch to using a MatchDecider.
>
> Cheers,
>     Olly
>




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