[ckan-dev] Adding fields to existing tables of CKAN, from extension

Fri Jun 8 14:46:32 UTC 2012

On 7 June 2012 13:48, Aleksi Suomalainen <aleksi.suomalainen at nomovok.com> wrote:
> Hello,
>
> I am making an extension that creates a global id from a URN fetched from an
> external service, but the existing CKAN datamodel for eg. Resource does not
> have a global_id field and after a whole evening of googling I did not find
> a way to do this via an plugin interface.

The resource id is a uuid at the moment so it would be automatically
globally unique (the chances of generating the same id in different
instances should be ~ 0).

Rufus

> Is there another way to implement this, without me requiring to fork the
> entire CKAN codebase just to add one field to an existing datamodel?
>
> I know there are migrations that exist, but is there a way for an extension
> to add its own migration and then configure CKAN to use a migration of the
> extension?
>
> Regards,
> --
> -- Aleksi Suomalainen Software Developer at Nomovok Ltd.
> <http://www.nomovok.com/> <mailto:aleksi.suomalainen at nomovok.com=>
>
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