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From Mark Hahn <m...@hahnca.com>
Subject Re: suggestion for improvement
Date Thu, 19 Apr 2012 23:22:39 GMT
I think I understand my options.  I'll come back here when I think I have a
solution.

Thanks everyone.

On Thu, Apr 19, 2012 at 4:05 PM, Dominic Tarr <dominic.tarr@gmail.com>wrote:

> you would need to respond to each item in the feed by making a request back
> to couch
> (since merely including the document is not sufficient, in your case)
> and then combining that into your own augmented changes feed, perhaps.
>
> On Fri, Apr 20, 2012 at 11:01 AM, Dominic Tarr <dominic.tarr@gmail.com
> >wrote:
>
> > I'm think mark wants to know what has changed with the last update,
> > rather than to keep every version around forever.
> >
> >
> > On Fri, Apr 20, 2012 at 10:10 AM, Robert Newson <rnewson@apache.org
> >wrote:
> >
> >> You can fetch previous revisions with ?rev=<rev> until compaction
> >> sweeps them away, but it's considered bad practice (your administrator
> >> should be free to compact whenever needed).
> >>
> >> I don't think it's CouchDB's job to keep all the old versions of
> >> documents forever, this should be solved at the application layer, it
> >> doesn't seem particularly difficult either. If you care about the
> >> changes a doc goes through, you should record them in the doc itself.
> >> Whenever you update a document, add a new entry to a "history" array,
> >> for example. We have this for replication checkpoints already.
> >>
> >> B.
> >>
> >> On 19 April 2012 22:33, Mark Hahn <mark@hahnca.com> wrote:
> >> > Thanks, I had forgotten about open_revs.  But open_revs only applies
> to
> >> > conflicts, right?
> >> >
> >> > How do I find out what changed in a change feed?  In other words, if I
> >> get
> >> > a change feed is there a way to access the previous version to find
> out
> >> > what changed?
> >>
> >
> >
>

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