Function Graph_GetEdgesConnectingNodes

src/graph/graph.c:621–654

}

void Graph_GetEdgesConnectingNodes
(
	const Graph *g,
	NodeID srcID,
	NodeID destID,
	RelationID r,
	Edge **edges
) {
	ASSERT(g);
	ASSERT(edges);
	ASSERT(r < Graph_RelationTypeCount(g));

	// invalid relation type specified;
	// this can occur on multi-type traversals like:
	// MATCH ()-[:real_type|fake_type]->()
	if(r == GRAPH_UNKNOWN_RELATION) return;

#ifdef RG_DEBUG
	Node  srcNode   =  GE_NEW_NODE();
	Node  destNode  =  GE_NEW_NODE();
	ASSERT(Graph_GetNode(g, srcID, &srcNode)   == true);
	ASSERT(Graph_GetNode(g, destID, &destNode) == true);
#endif

	if(r != GRAPH_NO_RELATION) {
		_Graph_GetEdgesConnectingNodes(g, srcID, destID, r, edges);
	} else {
		// relation type missing, scan through each edge type
		int relationCount = Graph_RelationTypeCount(g);
		for(int i = 0; i < relationCount; i++) {
			_Graph_GetEdgesConnectingNodes(g, srcID, destID, i, edges);
		}
	}
}

void Graph_ResetReservedNode
(