From 04f93ab46c8c5057bac3bdd5241f049907bf653f Mon Sep 17 00:00:00 2001
From: Josip Mrden <josip.mrden@memgraph.io>
Date: Thu, 21 Mar 2024 15:21:51 +0100
Subject: [PATCH] Add support when query returns nothing
---
src/query/procedure/mg_procedure_impl.cpp | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/query/procedure/mg_procedure_impl.cpp b/src/query/procedure/mg_procedure_impl.cpp
index aa25538c7..9778ad1b0 100644
--- a/src/query/procedure/mg_procedure_impl.cpp
+++ b/src/query/procedure/mg_procedure_impl.cpp
@@ -4132,6 +4132,10 @@ mgp_error mgp_pull_one(mgp_execution_result *exec_result, mgp_graph *graph, mgp_
MgProcedureResultStream stream(memory);
exec_result->pImpl->interpreter->Pull(&stream, 1, {});
+ if (stream.rows.empty()) {
+ throw std::out_of_range("Out of range pull since query does not remove anything!");
+ }
+
const size_t headers_size = exec_result->pImpl->headers->headers.size();
memgraph::utils::pmr::map<memgraph::utils::pmr::string, mgp_value> items(memory->impl);
for (size_t idx = 0; idx < headers_size; idx++) {