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From Dan Sheedy <sheedy...@gmail.com>
Subject Re: Iterating all documents
Date Thu, 07 Jul 2011 09:03:16 GMT
oh.

Sorry for the thread high jack. Good haircut btw, no regrets.

On Thu, Jul 7, 2011 at 5:28 PM, Max Ogden <max@maxogden.com> wrote:

> you should reconsider the haircut
>
> On Thu, Jul 7, 2011 at 12:25 AM, Dan Sheedy <sheedydan@gmail.com> wrote:
>
> > im heading off. might be late dinner. I'm getting my haircut. should be
> > home
> > 8ish.
> >
> > On Thu, Jul 7, 2011 at 10:53 AM, Patrick Barnes <mrtrick@gmail.com>
> wrote:
> >
> > > Alternatively, how about you page through _all_docs?
> > >
> > > 1. Query http://server:5984/dbname/_**all_docs?limit=100<
> > http://server:5984/dbname/_all_docs?limit=100>
> > >
> > > 2. Process that set. Store the id of the last document.
> > >
> > > 3. Query http://server:5984/dbname/_**all_docs?limit=100&startkey=(**
> > > last_id)&skip=1<
> > http://server:5984/dbname/_all_docs?limit=100&startkey=(last_id)&skip=1
> >to
> > get the next set.
> > >
> > > 4. Repeat 2 and 3 until the returned set is empty.
> > >
> > > If your batch processing has to be able to resume after being
> terminated,
> > > just store the last_id in a file between each set.
> > >
> > > If you documents come from a specific view, you can do that too, the
> only
> > > difference would be that 'startkey' needs to be the last record's view
> > key,
> > > and you may also need a 'startkey_docid=(last_id)' parameter if the
> keys
> > are
> > > not unique.
> > >
> > > -Patrick
> > >
> > >
> > > On 7/07/2011 9:41 AM, Matthias Eck wrote:
> > >
> > >> Hello,
> > >>
> > >> I need to add a new field to all documents in my database.
> > >>
> > >> To have a better control I wanted to do this by batches and defined 2
> > >> views:
> > >> documents_without_newfield
> > >> documents_with_newfield
> > >>
> > >> My idea was to just take the first 100 returned by the
> > >> documents_without_newfield view, calculate the new field for all of
> > >> them, save them and take the next 100 etc.
> > >>
> > >> As it turns out the views do not seem to be updated immediately, which
> > >> means that the view documents_without_newfield returns about 95
> > >> documents that actually already had the new field calculated in the
> > >> previous step.
> > >>
> > >> Can I force the view to update immediately so I can iterate through
> > >> the all documents?
> > >>
> > >> Thanks,
> > >> Matthias
> > >>
> > >>
> >
>

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