Include with the query request a hash of the array of results that was last returned. Perhaps this can be carried as an ETag. On the server, execute the query and hash the new results. If the query produces the same hash as before, return a NOT MODIFIED response.
Include with the
query
request a hash of the array of results that was last returned. Perhaps this can be carried as an ETag. On the server, execute the query and hash the new results. If the query produces the same hash as before, return aNOT MODIFIED
response.