On Tue, 22 Dec 2009 22:48:25 +0000 (UTC), Olly Betts <olly@survex.com> wrote:
> This is just the sort of thing which Xapian's "user metadata" is there
> for. It's essentially a key/value store which is versioned along with
> the rest of the Xapian database. So to set it:
>
> database.set_metadata("version", "1");
>
> And to read (and default if not set):
>
> string version = database.get_metadata("version");
> if (version.empty()) version = "0";
Thanks, Olly!
That is exactly what we'll want here, and is much better than a magic
document.
-Carl (grateful to have a Xapian expert keeping watch on the list)