Project derived navigations under nested fragments, and reject skip and take without an orderBy - #1404
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…nd take without an orderBy A fragment on a derived type below a navigation lost its navigations. The derived navigation scan ran for the root selection only, so below a navigation the field fell through to the scalar path and was dropped; the query returned null for it with no join. The scan now runs for every nested selection, and the scalar entry the selection walk had already made for the field is removed so the derived member init does not bind it twice. skip or take without an orderBy added an error and then ran the query anyway, so the response carried nondeterministic rows beside the error. The guards now throw.
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A fragment on a derived type below a navigation lost its navigations. The derived navigation scan ran for the root selection only, so below a navigation the field fell through to the scalar path and was dropped; the query returned null for it with no join. The scan now runs for every nested selection, and the scalar entry the selection walk had already made for the field is removed so the derived member init does not bind it twice.
skip or take without an orderBy added an error and then ran the query anyway, so the response carried nondeterministic rows beside the error. The guards now throw.