[ckan-dev] Relationships between Datasets and Organizations

[Ian Ward]

Organizations were added in 2.0, and they were implemented as a special
type of Group. The permission model changed at the same time, making
dataset permissions depend on the org that created it.

Groups have a many-to-many relationship with datasets, so that can't be
used to determine ownership, so I suspect the simple thing was to add
owner_org to service all the new permission checks.

On Aug 12, 2013 7:46 AM, "David Read" <david.read at hackneyworkshop.com>
wrote:
>
> As I understand it (since there are no docs or tests for
> organizations...), a dataset in an organizations needs both owner_org
> set and the Member created to work properly. I guess that it was
> decided that although it breaks the DRY principle, it makes stuff
> faster. I could be wrong.
>
> David
>
> On 8 August 2013 22:33, Vitor Baptista <vitor at vitorbaptista.com> wrote:
> > Hi all,
> >
> > I'm trying to understand how the relationship between datasets and
> > organizations works. For Groups, as far as I can see, the relationship
is
> > something like:
> >
> >   Dataset -> Member -> Group
> >
> > Member is a many-to-many association between Dataset and Group. At
first I
> > thought it was the same for Organizations, but I think there's something
> > else. They have these associations, with entries in Member, with
activity =
> > 'organization', but there's also an owner_org column in Dataset itself.
> > Basically, we have both:
> >
> >   Dataset -> Member -> Organization
> >
> > and:
> >
> >   Dataset -> Organization (through owner_org field).
> >
> > What's the difference between these two ways?
> >
> > Cheers,
> >
> > Vítor Baptista
> >
> > Developer  |  http://vitorbaptista.com | LinkedIn | @vitorbaptista
> >
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