Function _QueryGraphAddNode

src/graph/query_graph.c:37–55

adds node to query graph

// adds node to query graph
static void _QueryGraphAddNode
(
	QueryGraph *qg,
	const cypher_astnode_t *ast_entity
) {
	const char *alias = AST_ToString(ast_entity);

	// look up this alias in the QueryGraph
	// this node may already exist
	// if it appears multiple times in query patterns
	QGNode *n = QueryGraph_GetNodeByAlias(qg, alias);
	if(n == NULL) {
		// node has not been mapped; create it
		n = QGNode_New(alias);
		QueryGraph_AddNode(qg, n);
	}

	_QueryGraphSetNodeLabel(n, ast_entity);
}

// adds edge to query graph
static void _QueryGraphAddEdge