Query options for OData service

Hi,
I am able to create an OData service and using SDK, I am able to read the data from the connected database. Now I have to fetch data based on queries. I mean from the database table I have to fetch subset of data based on conditions. I have checked the documnetations
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/f0efbaca-45ba-3010-b7bb-8c1c5aa109ab?QuickLink=index&overridelayout=true&58475979909212
Other than setting up the Netweaver gateway, is it possible to achieve it through GWPA(eclipse plugin). I am using the kepler version of eclipse. Could you please share the documents related to this topic?

Hi Jitendra,
I have developed ios/android applications using SAP Mobile Platform SDK 3.0 SP06.
1) MAFLogin is successful
2) Store initialize is successful
Now I have to fetch subset of data from the database table based on some conditions.
Could you please help to clarify the below queries?
1) Is it possible using eclipse plugins?
2) Can we achieve this feature only through Functional import feature using SAP NetWeaver Gateway Service Builder?

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CODES
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RETURN @entites TABLE(
[Id] [int],
[Name] [nvarchar](100),
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BEGIN
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RETURN
END
WCF:
[WebGet]
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It doesn't really solve the stored procedure problem but I'm marking this as answer until someone can provide a better one as it does solve what I'm trying to do.
Hope this helps others too. :)

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I recently created an OData Service with the Netweaver Gateway Service Builder (SEGW), but unfortunately the grouping of properties does not seem to work as I know it from XS OData services.
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Hi,
$select will return the field specified in resultset in OData query. for e.g. http://services.odata.org/OData/OData.svc/Products?$select=Rating,Price
aggregation is not supported by OData version 2.0 on which SAP Gateway is based on.
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