[Xapian-discuss] Open postlist

[James Aylett]

On Thu, Oct 16, 2008 at 12:13:11PM +0200, double wrote:

> The FAQ (http://trac.xapian.org/wiki/FAQ/UniqueIds) recommends,
> to open a postlist instead of a search:
>      If you want to retrieve the document, open the postlist for "Q65A"
>      and read the first (and only) document id (this will be a little more
>      efficient that running a search for "Q65A").
> 
> How can I open the postlist?

In C++, use Xapian::Database::postlist_begin("Q65A") (compare with
postlist_end("Q65A") in the usual way). In other languages (such as
Python) there may be more idiomatic approaches - see the bindings
documentation for your language in this case.

J

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  James Aylett                                                  xapian.org
  james at tartarus.org                               uncertaintydivision.org