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question asked: Aug 06 '13, 5:28 a.m.
question was seen: 6,310 times
last updated: Sep 20 '13, 3:16 p.m.

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OSLC REST API: Usage of wildcard in oslc.where

0
Peter Christmeier (1●1●1●1) | asked Aug 06 '13, 5:28 a.m.
edited Aug 06 '13, 5:29 a.m.
Hello,
I am accessing ClearQuest using OSLC REST API and VB.
I’ve been trying to query the database using a wildcard (“*”) in the ‘oslc.where’ clause, unfortunately with no success so far.
Queries using ‘oslc.where’ without wildcards work without problem.

The scenario: I am querying for a string field called ‘Responsible_List’ containing a space separated list of permitted users in the current task, e.g. “user0 user1 user2”.
I need to determine whether the user of the current REST API session (e.g. “user1”) is part of that list.
That’s what I have tried: 
oslc.where=cq:Responsible_List=""*user1*""
The query does not return an error, but a no match (i.e. total count = 0)

I’ve already read through http://open-services.net/bin/view/Main/OSLCCoreSpecQuery, but didn’t come across a matching example.

Can anybody please provide some help?
Peter

2 answers

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Stephane Leroy (1.4k●1●4●9) | answered Aug 06 '13, 8:14 a.m.
JAZZ DEVELOPER
Hi Peter,

this wiki gives you some use case sample of wildcards for ClearQuest in OSLC: https://jazz.net/wiki/bin/view/Main/CqOslcV2
Check specifically the section starting by "The * character is a wildcard that expands to match all properties...".

Regards,
Stéphane

Comments
Peter Christmeier commented Aug 06 '13, 8:39 a.m.

Hi Stéphane,

The link you posted is another resource I already had checked out.
Unfortunately it does not give an example for my scenario:
I do not need to query all properties of a record using the '' as wildcard, but instead filter for a field matching a substring (in VB you can use the 'instr' function to accomplish this task).
Again my example:
field value: cq:Responsible_List="user0 user1 user2"
substring to be matched: "user1" 

oslc.where=cq:Responsible_List=""user1*""
Regards,
Peter

Mike Ponti commented Sep 11 '13, 11:28 a.m.

Hello Peter,

Did you have any luck getting a wildcard string search working? I am struggling with this as well.

Thanks

Mike

Peter Christmeier commented Sep 12 '13, 9:40 a.m.

Hello Mike,

unfortunately not. I managed to change my code so that I do not need to query for substrings anymore.
Still I would be interested in a solution.

Regards,
Peter

Mike Ponti commented Sep 12 '13, 10:37 a.m.

Thanks for getting back to me, will let you know if I find anything.

Mike

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permanent link
Yuhong Yin (251●2●3) | answered Sep 20 '13, 3:16 p.m.
JAZZ DEVELOPER
Hello

ClearQuest OSLC CM 2.0 implementation does not fully oslc.Where - wildcard (*) support on identifiers is a missing feature.

Please see the OSLC Implementation report, and please submit a RFE against ClearQuest if this is needed.

Thanks

- Yuhong Yin

Development Manager, ClearCase/ClearQuest Jazz Integrations
Email: yyin@us.ibm.com

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