Function CreateEdge

src/graph/graph_hub.c:123–151

}

void CreateEdge
(
	GraphContext *gc,
	Edge *e,
	NodeID src,
	NodeID dst,
	RelationID r,
	AttributeSet set,
	bool log
) {
	ASSERT(e  != NULL);
	ASSERT(gc != NULL);

	Graph_CreateEdge(gc->g, src, dst, r, e);
	*e->attributes = set;

	Schema *s = GraphContext_GetSchemaByID(gc, r, SCHEMA_EDGE);
	// all schemas have been created in the edge blueprint loop or earlier
	ASSERT(s != NULL);
	Schema_AddEdgeToIndices(s, e);

	// add edge creation operation to undo log
	if(log == true) {
		UndoLog undo_log = QueryCtx_GetUndoLog();
		UndoLog_CreateEdge(undo_log, e);
		EffectsBuffer *eb = QueryCtx_GetEffectsBuffer();
		EffectsBuffer_AddCreateEdgeEffect(eb, e);
	}
}

// delete a node
// remove the node from the relevant indexes