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Subject: wsbpel 3/31/2006: propertyAlias and Return of Multiple Nodes
In the F2F when we discussed query and expressions, we touched on the application of the XPATH in the propertyAlias to the variable value and what happens if this results in a response that contains anything other than exactly one information item and/or a collection of CII, i.e. a bpel:selectionFailure fault MUST be thrown in the context of <copy> operation. I believe the text was rewritten in Section 8 although at the time we suggested deletion. Part of the reason for the rewording or deletion was because: In queries, is it acceptable to return multiple nodes with this function and the selections are filtered in the expression and end up with one node. I don't see that we have specifically provide such a hint later in Section 8.2.6 as suggested. Is there still a need to do so? (Note: The text provided are brief notes, not proposed specification language if appropriate). Thanks.
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