Getting the sys_relationshipid

Is there a way to return the value from the ‘RID’ column of the ‘PSX_OBJECTRELATIONSHIP’ table given a value for the ‘Owner Id’ column using the web services API?
All I’m trying to do is get the sys_relationshipid value for a specific content item.

I don’t think this is possible with the Web Services API. Look at my earlier post for how to do this with the Java Services API


What are you trying to accomplish that requires this piece of information?

We write a lot of unit tests and I was writing tests to verify certain aspects of migrating content from the legacy system into Rx and had a need to verify the relationship ID.