Graph access via SPARQL

backend/app/rdf_store.py

@@ -132,3 +132,19 @@ class RDFStore:
                 }
             )
         return out
+
+    def edges_within_nodes(self, *, max_node_id_exclusive: int, limit: int) -> list[dict[str, Any]]:
+        out: list[dict[str, Any]] = []
+        for row in self._edges:
+            if row.source >= max_node_id_exclusive or row.target >= max_node_id_exclusive:
+                continue
+            out.append(
+                {
+                    "source": row.source,
+                    "target": row.target,
+                    "predicate": row.predicate,
+                }
+            )
+            if len(out) >= limit:
+                break
+        return out