[PATCH] Re: IMAP.cachemessagelist(): Protect against empty folders

[Nicolas Sebrecht]

On Wed, Sep 07, 2011 at 03:26:00PM +0200, Sebastian Spaeth wrote:
> On Tue, 06 Sep 2011 18:07:01 -0800, Dave Abrahams <dave at boostpro.com> wrote:
> > Shouldn't we always ignore an error that happens only because of an
> > empty folder?  The fact that IMAP classifies something as an error
> > doesn't mean it should look like an error to a user.  Or am I missing
> > something?
> 
> Yeah, there is no need for user configuration, we can detect empty
> folders ourselves just fine. I had simplified the "max UID calculation"
> and it worked fine on my server, but we need to stop explicitly on empty
> folders and not ask for "FETCH 1:* (UID)" on empty folders.
> 
> The patch I just sent is a slight optimization (we don't ask the server
> for the mail UIDs of folders with 0 messages), so the patch is good in
> any case.

Would that hurt if there is a remote empty folder which is populated
later (once a first sync done)?

-- 
Nicolas Sebrecht