On Thu, Nov 27, 2008 at 6:06 AM, Thomas Kerpe
<[EMAIL PROTECTED]> wrote:
>
> function(doc) {
> if (doc.type == "email") {
> thread = [];
> if (doc.header.references){
> thread = doc.header.references.split(" ");
> }
> thread.push(doc.header['message-id']);
> thread_id = thread[0];
> emit([thread_id, thread,], doc.header.subject);
> }
> }
>
> //Thomas
>
I'd like to dig into this deeper. I'm not sure I understand what the
second element in the emitted key is useful for. Could you just
emit(thread, doc.header.subject) and skip the explicit thread_id?
Group reduce should will interact nicely with that.
I think this problem is similar to that of storing document versions
(like for a wiki). Each version must link to it's parent, but also to
the original version. I'm not familiar enough with email but
doc.header.references sounds like it can do the job.
I suppose the analog in versioned docs would be keeping a list of the
chain of parents in each new doc (and not just the head of the chain
and immediate parent.)
--
Chris Anderson
http://jchris.mfdz.com
