Removing link from children to parent object

Joshua Partogi joshua.java at gmail.com
Sun Feb 6 02:01:18 EST 2011


Thanks Alexander,

Is there any facility in riak that enables me to do something like this:

UPDATE obj set link=nil where link='Blah';

Kind regards,
Joshua

On Sun, Feb 6, 2011 at 5:51 PM, Alexander Sicular <siculars at gmail.com>wrote:

> Riak links are unidirectional and non-reciprocal. If you did not
> explixitly set a link on the child to the parent then it does not
> exist. If you did set links on the children then a traversal/loop will
> work but remember to include the body (value) in the rewrite. Write
> links + body or you lose the body.
>
> -alexander
>
> On 2011-02-06, Joshua Partogi <joshua.java at gmail.com> wrote:
> > Hi all,
> >
> > I have a link between Parent object and Child objects
> > e.g:
> >
> > Parent
> > -- Child1
> > -- Child2
> > -- Child3
> >
> > Now when I delete Parent, I want the links from Child to Parent to be
> > removed as well.
> >
> > I can traverse/loop through all the Children that Parent have and remove
> the
> > link one by one, but I was thinking if there is a more elegant way to do
> it
> > in Riak that I don't know.
> >
> > I am using the Ruby Riak/Ripple library.
> >
> > Thanks for your help.
> >
> > Kind regards,
> > Joshua.
> >
> > --
> > http://twitter.com/jpartogi
> >
>
> --
> Sent from my mobile device
>



-- 
http://twitter.com/jpartogi
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