BSONArrayBuilder resultArray; // where we'll stash the results
                for(bool hasDocument = !pSource->eof(); hasDocument;
                    hasDocument = pSource->advance()) {
                    intrusive_ptr<Document> pDocument(pSource->getCurrent());

                    /* add the document to the result set */
                    BSONObjBuilder documentBuilder;
                    pDocument->toBson(&documentBuilder);
                    resultArray.append(documentBuilder.done());
                }

                result.appendArray("result", resultArray.arr());