SAP CDS View DefaultAggregation Annotations

http://help.sap.com/saphelp_nw75/helpdata/en/5e/5d319bd1a74552b99a36dfc739f74d/content.htm?frameset=/en/c2/dd92fb83784c4a87e16e66abeeacbd/frameset.htm&current_toc=/en/d9/bc687d35fa42ccbb0b9256ce786d51/plain.htm&node_id=65

@scope:[#ELEMENT]
Annotation DefaultAggregation : String enum { NONE; SUM; MIN; MAX; AVG; COUNT; COUNT_DISTINCT; FORMULA; };
When the DefaultAggregation annotation has been specified for an element, the corresponding elements are used as so called measures (elements that can be aggregated) both in standard CDS QL scenarios and on analytical scenarios.

Scope: [ELEMENT]
Evaluation Runtime (Engine):
Values:

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