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From John Logsdon <john.logs...@netdev.co.uk>
Subject Re: Support _id and _rev being null on a POST
Date Sat, 09 Oct 2010 15:39:55 GMT
Many thanks Heiko - That works on a method level so doesn't affect the
properties in my objects that need null as a value (Yes, the irony hasn't
escaped me.......).

I love couchdb.



On 9 October 2010 15:57, Heiko Schaefer <hschaefer@fto.de> wrote:

>  Hey John,
>
> maybe the jackson annotation @JsonWriteNullProperties(false) could help
> you?
>
> cheers,
> Heiko
>
>
> On 10/09/2010 04:24 PM, John Logsdon wrote:
> > I understand the difference but i'm not sure it's really an issue.
> >
> > My request is born out of convenience as i'm using a statically typed
> > language (Java), a json parser(jackson) with auto marshalling and I'm
> trying
> > to use the same java beans regardless of whether it's a new Object or
> > existing since I have rather a lot of classes to store in couchdb.
> >
> > It may be possible to fix this in the client but I thought it was worth
> > asking!
> >
> > John
> >
> >
> > On 8 October 2010 23:50, Paul Davis <paul.joseph.davis@gmail.com> wrote:
> >
> >> On Fri, Oct 8, 2010 at 6:43 PM, John Logsdon <john.logsdon@netdev.co.uk
> >
> >> wrote:
> >>> Hi
> >>>
> >>> I'd like to be able to support the following scenario:
> >>>
> >>> curl -XPOST -H"Content-Type: application/json"
> http://localhost:5984/uta-d
> >>> '{"_id": null, "_rev":null,"x":"y"}'
> >>>
> >>> Which returns:
> >>>
> >>> {"error":"bad_request","reason":"Document id must be a string"}
> >>>
> >>> I'd like the above to work the same as this command:
> >>>
> >>> curl -XPOST -H"Content-Type: application/json"
> http://localhost:5984/uta-d
> >>> '{"x":"y"}'
> >>>
> >>> which returns:
> >>>
> >>>
> >>
> {"ok":true,"id":"c9fd97f3eb58fdb62ef7a80440001662","rev":"1-935564bc7ec7e86aa82ecec3face18f6"}
> >>>
> >>> Is there a reason why couchdb doesn't do the same action on a null
> >> _id/_rev
> >>> as it does when the fields aren't present?
> >>>
> >>> Regards
> >>>
> >>> John
> >>>
> >> A value of null is not equivalent to no value. Null is a value and its
> >> not a valid document id. Hence, the error.
> >>
> >> I don't like the idea of silently discarding it and creating a new
> >> document with a random doc id. I can see this causing lots of
> >> headaches when someone has a bug and doesn't realize their code is
> >> just creating random documents.
> >>
> >> Paul Davis
> >>
> >
> >
>
>


-- 
John Logsdon
CEO
NetDev Limited
+44 1273 773661
+44 7899 811245
http://www.netdev.co.uk
Registered in England and Wales
Company Number 04741258

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