//---------------------------------------------------------------------------------------
        // Just opens the current operator, including opening the child and wrapping it with
        // partitions as needed.
        //

        internal override QueryResults <TOutput> Open(
            QuerySettings settings, bool preferStriping)
        {
            QueryResults <TInput> childQueryResults = Child.Open(settings, preferStriping);

            return(IndexedSelectQueryOperatorResults.NewResults(childQueryResults, this, settings, preferStriping));
        }
 internal override QueryResults <TOutput> Open(QuerySettings settings, bool preferStriping)
 {
     return(IndexedSelectQueryOperatorResults <TInput, TOutput> .NewResults(base.Child.Open(settings, preferStriping), (IndexedSelectQueryOperator <TInput, TOutput>) this, settings, preferStriping));
 }