Excerpts from Ingmar Vanhassel's message of Tue Sep 01 04:07:27 -0400 2009:
> Excerpts from Ingmar Vanhassel's message of Mon Jul 27 18:56:28 +0200 2009:
> > Excerpts from William Morgan's message of Mon Jul 27 17:48:38 +0200 2009:
> > > Reformatted excerpts from Rich Lane's message of 2009-07-25:
> > > > One issue I've noticed is that removing labels from messages doesn't
> > > > always immediately work.
> > >
> > > Is this true even after you sync changes to the index? What about if you
> > > reload the label list buffer? ('@')
> >
> > It's true in both cases. Even after a sync, 'U' still produces read
> > messages (among unread), and a search for label:foo has threads without
> > that label. If you quit sup & restart it things work as expected for a
> > while.
>
> I can still reproduce this for a more specific case, with xapian 1.0.15.
>
> Searching for is:unread (hit U), works as expected. When I filter
> that with threads having a second label (hit |, label:foo), then it
> shows threads with label:foo, but it loses the is:unread constraint.
>
> Same for immediately doing is:unread label:foo, which gives me unread
> threads, but not always with the foo label.
I've reproduced this and it looks like a query parsing problem. Multiple
terms on the same field are OR'd together instead of AND [1]. Adding an
explicit AND works. I'll see if Xapian::QueryParser can be convinced to
do what we want here.
[1] http://trac.xapian.org/ticket/157
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