Function check

tools/benchmark/node_write_bench.cpp:19–24

using lbug::common::Value;

static void check(QueryResult& result, const std::string& query) {
    if (!result.isSuccess()) {
        std::cerr << "Query failed: " << query << "\n" << result.getErrorMessage() << "\n";
        std::exit(1);
    }
}

static void runQuery(Connection& conn, const std::string& query) {
    auto result = conn.query(query);