select Distinct
Add properties (to {@link com.sap.cloud.mobile.kotlin.odata.DataQuery#selectItems DataQuery.selectItems}) for selecting from the target entity and set {@link com.sap.cloud.mobile.kotlin.odata.DataQuery#distinctItems DataQuery.distinctItems} to This query.true.
Note that this isn't a standard OData query option, so servers might ignore it.
Return
Parameters
items
The items to be selected.