[ckan-dev] Versionning / history of resources

Tue Jul 7 20:48:00 UTC 2015

Hi Stéphane,

we are working on versioning. We have decided for our application to
handle versioning on dataset level not on resource level. Hence,
if a resource of a dataset changes we create a new dataset which
is a new version of the previous dataset containing the not changed 
resource.
The basic idea is that a current dataset has the most recent resources, and
older versions of that dataset are related to it by the CKAN-relation 
child-of (and
backward parent-of). The historical resource files have to be stored 
somewhere
in an archive.

Hope that helps,
Lothar

Am 07.07.2015 um 15:23 schrieb Stéphane Guidoin:
> Hello,
>
> Some best practice in terms of open data raise the fact that resources 
> (files) should be versionned and it should be possible to access past 
> version of a resource. In an ideal world, the resource itself should 
> contain historical trail (e.g date when a record was created/deleted) 
> but it's not always possible.
>
> From my ckan understanding, CKAN does not support that out of the box 
> (the only option is to add new resources with dates but you quickly 
> end up with dozens of resources in a dataset). Does someone has 
> already evaluated how to do that? For example have a resource and a 
> link/button to access historical file?
>
> Stéphane
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-- 
Dr. Lothar Hotz
HITeC e.V., University of Hamburg
Vogt-Kölln-Str. 30, 22527 Hamburg
Tel: 040/42883-2605; Fax: 040/42883-2572
E-Mail: hotz at informatik.uni-hamburg.de
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