On Saturday, October 29, 2011 08:42:52 AM Jeremiah Peschka wrote:
> 1) Use an RDBMS. Since you're here, I'm guessing that you're already using
> Riak or else that Riak has qualities that you want for your application.
Right. This is early on in the app's lifetime and the data storage is not
terribly complicated. I just need some parent/child relationships and when I
saw the Links feature I figured this was an expected usage of Riak.
> 2) As Alex suggests, you can implement this in your application.
Yes, this I am ready for. As I understand it, using Riak successfully
generally means designing your application with its limitations in mind. So,
let's go write some funky app code!
> This could also be difficult: the application must be aware of activity going
> on with objects in your database AND be able to roll them back. In
> pseudocode you'd do this:
>
> orig = Riak.get('whatevs')
> child = new Child(orig)
>
>
> if Riak.put(child)
> if !Riak.link(orig, child)
> Riak.delete(child)
> // error up the stack
> else
> // we don't care, the child didn't save. error up the stack
>
> This is probably naive and is definitely tedious, even if you do implement
> your own application layer to handle read/write operations.
See, to me, this looks exactly like what you're supposed to do. How is it
naive and tedious? I would assume that everyone writing a serious app with
Riak has to do things like this.
Justin
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