swap return vars in flat_l2.cc

Author: lums658

src/include/detail/flat/vq.h

@@ -145,6 +145,9 @@ auto vq_query_heap(
   consolidate_scores(scores);
   auto top_k = get_top_k_with_scores(scores, k_nn);
 
+  debug_slice(std::get<0>(top_k));
+  debug_slice(std::get<1>(top_k));
+
   return top_k;
 }
 

src/src/flat_l2.cc

@@ -171,6 +171,7 @@ int main(int argc, char* argv[]) {
   tiledb::Context ctx;
 
   auto db = tdbColMajorMatrix<db_type>(ctx, db_uri, blocksize);  // blocked
+  db.load();
 
   auto query =
       tdbColMajorMatrix<uint8_t>(ctx, query_uri, nqueries);  // just a slice
@@ -180,7 +181,7 @@ int main(int argc, char* argv[]) {
   std::cout << load_time << std::endl;
 
   // @todo decide on what the type of top_k::value should be
-  auto [top_k, top_k_scores] = [&]() {
+  auto [top_k_scores, top_k] = [&]() {
     if (alg_name == "vq_heap" || alg_name == "vq") {
       if (verbose) {
         std::cout << "# Using vq_heap" << std::endl;