Method sendQueryPlan

src/Client/Connection.cpp:1060–1075

void Connection::sendQueryPlan(const QueryPlan & query_plan)
{
    writeVarUInt(Protocol::Client::QueryPlan, *out);

    if (query_plan.isSerialized())
    {
        // Use cached serialization
        auto serialized_data = query_plan.getSerializedData();
        out->write(serialized_data.data(), serialized_data.size());
    }
    else
    {
        // Fallback: serialize on-the-fly
        query_plan.serialize(*out, server_query_plan_serialization_version);
    }
}

void Connection::sendCancel()
{