add files modified with hook

src/query/frontend/ast/cypher_main_visitor.cpp

@@ -2108,6 +2108,10 @@ antlrcpp::Any CypherMainVisitor::visitFunctionInvocation(MemgraphCypher::Functio
       return static_cast<Expression *>(
           storage_->Create<Aggregation>(expressions[0], nullptr, Aggregation::Op::COLLECT_LIST));
     }
+    if (function_name == Aggregation::kProject) {
+      return static_cast<Expression *>(
+          storage_->Create<Aggregation>(expressions[0], nullptr, Aggregation::Op::PROJECT));
+    }
   }
 
   if (expressions.size() == 2U && function_name == Aggregation::kCollect) {

src/query/plan/operator.cpp

@@ -2608,9 +2608,10 @@ TypedValue DefaultAggregationOpValue(const Aggregate::Element &element, utils::M
     case Aggregation::Op::AVG:
       return TypedValue(memory);
     case Aggregation::Op::COLLECT_LIST:
-      return TypedValue(TypedValue::TVector(memory));
     case Aggregation::Op::COLLECT_MAP:
       return TypedValue(TypedValue::TMap(memory));
+    case Aggregation::Op::PROJECT:  // add here graph as aggregation value
+      return TypedValue(TypedValue::TVector(memory));
   }
 }
 }  // namespace
@@ -2812,6 +2813,7 @@ class AggregateCursor : public Cursor {
             *value_it = 1;
             break;
           case Aggregation::Op::COLLECT_LIST:
+          case Aggregation::Op::PROJECT:
             value_it->ValueList().push_back(input_value);
             break;
           case Aggregation::Op::COLLECT_MAP:
@@ -2860,6 +2862,7 @@ class AggregateCursor : public Cursor {
           *value_it = *value_it + input_value;
           break;
         case Aggregation::Op::COLLECT_LIST:
+        case Aggregation::Op::PROJECT:
           value_it->ValueList().push_back(input_value);
           break;
         case Aggregation::Op::COLLECT_MAP: