Actually call visit recursive extend

Author: royi-luo

src/optimizer/cardinality_updater.cpp

@@ -35,6 +35,10 @@ void CardinalityUpdater::visitOperatorSwitchWithDefault(planner::LogicalOperator
         visitExtend(op);
         break;
     }
+    case planner::LogicalOperatorType::RECURSIVE_EXTEND: {
+        visitRecursiveExtend(op);
+        break;
+    }
     case planner::LogicalOperatorType::HASH_JOIN: {
         visitHashJoin(op);
         break;

test/planner/cardinality_test.cpp

@@ -110,7 +110,7 @@ TEST_F(CardinalityTest, TestOperators) {
         auto* extendOp = getOpWithType(plan->getLastOperator().get(),
             planner::LogicalOperatorType::RECURSIVE_EXTEND);
         ASSERT_NE(nullptr, extendOp);
-        EXPECT_EQ(1, extendOp->getCardinality());
+        EXPECT_EQ(200, extendOp->getCardinality());
         conn->query("CALL enable_gds=true");
     }