Method canProjectExpression

src/binder/query/query_graph.cpp:218–227

}

bool QueryGraph::canProjectExpression(const std::shared_ptr<Expression>& expression) const {
    auto collector = DependentVarNameCollector();
    collector.visit(expression);
    for (auto& variable : collector.getVarNames()) {
        if (!containsQueryNode(variable) && !containsQueryRel(variable)) {
            return false;
        }
    }
    return true;
}

bool QueryGraph::isConnected(const QueryGraph& other) const {
    for (auto& queryNode : queryNodes) {