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RE: [grouper-users] automagically creating group from stem node

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  • From: Chris Hyzer <>
  • To: Jon Gorrono <>
  • Cc: "" <>
  • Subject: RE: [grouper-users] automagically creating group from stem node
  • Date: Mon, 22 Oct 2012 00:42:20 +0000
  • Accept-language: en-US

Ok, got it. Penn does this for orgs. Maybe this will help you with an

I believe we have one query as you have which has the people in the leaf
nodes, then we have another query which link up all containers into one
another... that query is best performing if it can use the
col as the subject_id to put in the group. I think we have a DB link from
our warehouse to your grouper database to make this happen (make sure the
join happens on the correct side of the db link (e.g. with oracle hint) or
you will be sending many rows across the link instead of a few). Otherwise
you can use the group name which might be fine since the number of groups in
groups is a lot less than the number of people in groups.


-----Original Message-----
From: Jon Gorrono

Sent: Sunday, October 21, 2012 8:00 PM
To: Chris Hyzer

Subject: Re: [grouper-users] automagically creating group from stem node

ok, I was trying to pack as much into the smallest question possible I guess

The simple view I have returns something like:

group_name, subject_id, subject_source_id
'cms:course:section:AHI:001B:A01:200501', '0003482', 'ss_cms'
'cms:course:section:AHI:001B:A02:200501', '0008892', 'ss_cms'

So this creates a group '200501' nested in the folder structure
'cms:course:section:AHI:001B:A01' with the member with subject_id

...and a group '200501' nested in the folder structure
'cms:course:section:AHI:001B:A02' with the member with subject_id

Logically this folder structure could be construed to indicate that
the folder 'cms:course:section:AHI' contains both '0003482' and
'0008892' as indirect members... I can see that you might not want
that to be true as a general steadfast rule, but I thought that there
might be a way get folders to inherit subfolder memberships with out a
specific assignment buy the loader.

So you're saying that in order to do that I should have another row in
the result (or a different query) to accomplish that? ... a query row
that ties both id's with the shorter stem?

On Sat, Oct 20, 2012 at 5:30 AM, Chris Hyzer
> I dont know exactly what you are asking, but I think the answer is yes :)
> Your query results can be groups as members... you could have multiple
> queries running after one another to cascade correctly. We do this at
> Penn. If you want to give a more detailed example I could explain a
> little better
> thanks,
> Chris
> ________________________________________
> From:
> []
> on behalf of Jon Gorrono
> []
> Sent: Friday, October 19, 2012 6:15 PM
> To:
> Subject: [grouper-users] automagically creating group from stem node
> I probably have all the terminology wrong here but...
> my question, put right up front, is .... when provisioning a bunch of
> stems+groups and members(hips) with the loader is there a way to make
> the stem-nodes (folders?) be groups with indirect members made from
> the groups' members below that node in the (folder/group/stem)
> hierarchy?
> example:
> http://server/grouper-ws/servicesRest/json/v2_1_001/groups/cms%3Acourse%3Asection%3AAHI%3A001B%3AA01%3A200501/members
> That returns a nice json list of members of a leaf node which is a
> group defined via the loader job as
> 'cms:course:section:AHI:001B:A01:200501'
> (that is Section A01 of the Courseoffering AHI 001B for the first term of
> 2005)
> But I assumed that the intermediate folders would also be addressable
> and members(hips) inherited, maybe by throwing some switch somewhere
> So logically 'cms:course:section:AHI:001B' might contain all the
> members of all the sections in all a terms for AHI 001B ... instead
> this returns a groupNotFound... the intermediate 'folder' doesn't seem
> to be addressable:
> http://server/grouper-ws/servicesRest/json/v2_1_001/groups/cms%3Acourse%3Asection%3AAHI%3A001B/members
> (actually expected 'members' to return 0 and 'memberships' to return a
> sum of the groups below as indirect members)
> Regards,
> Jp
> ...
> --
> Jon Gorrono
> PGP Key: 0x5434509D -
> http{}
> http{}

Jon Gorrono
PGP Key: 0x5434509D -

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