It is currently possible to sort search results on multiple fields, but when sorting is performed in memory (for sets of 1,000,000 items or less) only a single sort direction is possible – all fields are are either ascending or descending.
We need to extend in-memory sorting to allow for multiple directions. It should also be possible to embed the direction of the sort in the sort field string if desired. A way to do this would be to allow specification of direction after the field, separated by a colon. Ex: