Method merge

src/binder/query/query_graph.cpp:209–216

}

void QueryGraph::merge(const QueryGraph& other) {
    for (auto& otherNode : other.queryNodes) {
        addQueryNode(otherNode);
    }
    for (auto& otherRel : other.queryRels) {
        addQueryRel(otherRel);
    }
}

bool QueryGraph::canProjectExpression(const std::shared_ptr<Expression>& expression) const {
    auto collector = DependentVarNameCollector();