add possibility to send graph, ignore it

src/query/plan/operator.cpp

@@ -3739,6 +3739,13 @@ void CallCustomProcedure(const std::string_view fully_qualified_procedure_name,
   for (auto *expression : args) {
     args_list.emplace_back(expression->Accept(*evaluator));
   }
+  const query::Graph *subgraph;
+  if (!args_list.empty() && args_list.front().type() == TypedValue::Type::Graph) {
+    subgraph = &args_list.front().ValueGraph();
+    args_list.erase(args_list.begin());
+  }
+
+  // if we have graph at first element, it is okay to have 1+ element here
   procedure::ConstructArguments(args_list, proc, fully_qualified_procedure_name, proc_args, graph);
   if (memory_limit) {
     SPDLOG_INFO("Running '{}' with memory limit of {}", fully_qualified_procedure_name,

src/query/procedure/mg_procedure_impl.hpp

@@ -577,6 +577,8 @@ struct mgp_graph {
   // `ctx` field is out of place here.
   memgraph::query::ExecutionContext *ctx;
 
+  // memgraph:::query::Graph *subraph;
+
   static mgp_graph WritableGraph(memgraph::query::DbAccessor &acc, memgraph::storage::View view,
                                  memgraph::query::ExecutionContext &ctx) {
     return mgp_graph{&acc, view, &ctx};

src/query/procedure/module.hpp

@@ -235,6 +235,7 @@ void ConstructArguments(const std::vector<TypedValue> &args, const TCall &callab
       throw QueryRuntimeException("'{}' argument named '{}' at position {} must be of type {}.", fully_qualified_name,
                                   name, i, type->GetPresentableName());
     }
+    // why do we move graph here?
     args_list.elems.emplace_back(std::move(arg), &graph);
   }
   // Fill missing optional arguments with their default values.