Method addQueryNode

src/binder/query/query_graph.cpp:190–199

}

void QueryGraph::addQueryNode(std::shared_ptr<NodeExpression> queryNode) {
    // Note that a node may be added multiple times. We should only keep one of it.
    // E.g. MATCH (a:person)-[:knows]->(b:person), (a)-[:knows]->(c:person)
    // a will be added twice during binding
    if (containsQueryNode(queryNode->getUniqueName())) {
        return;
    }
    queryNodeNameToPosMap.insert({queryNode->getUniqueName(), queryNodes.size()});
    queryNodes.push_back(std::move(queryNode));
}

void QueryGraph::addQueryRel(std::shared_ptr<RelExpression> queryRel) {
    if (containsQueryRel(queryRel->getUniqueName())) {