one-time-iterators

[Michael Hudson-Doyle]

On Thu, 26 May 2011 10:20:21 -0700, Carl Worth <cworth at cworth.org> wrote:
> On Thu, 26 May 2011 09:31:19 +0100, Patrick Totzke <patricktotzke at googlemail.com> wrote:
> > Wow. This reads really complicated. All I want to say is:
> > if I change tags in my search-results view, I get Xapian errors :)
> 
> Yes, that's frustrating. I wish that we had a more reliable interface at
> the notmuch library level. But I'm not entirely sure what would be the
> best way to do this.
> 
> > The question: How do you solve this in the emacs code?
> > do you store all tids of a query? 
> 
> The emacs code does not use the notmuch library interface like your
> python bindings do. Instead, it uses the notmuch command-line tool, (and
> buffers up the text output by it). The support for asynchronous
> operations in the emacs interface means that it's likely possible
> someone could run into a similar problem:
> 
> 	1. Start a search returning a *lot* of results
> 
> 	2. When the first results come in, make some tag changes
> 
> 	3. See if the original search aborts
> 
> I may have even had this happen to me before, but if I did I've never
> actually noticed it. I don't know what a good answer might be for this
> problem.

I've had exactly this happen to me.  Yay for post-vacation email
mountains and slow laptop drives...

Cheers,
mwh