+--
+-- Name: index_links_on_substring_head_uuid; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_links_on_substring_head_uuid ON public.links USING btree ("substring"((head_uuid)::text, 7, 5));
+
+
+--
+-- Name: index_links_on_substring_tail_uuid; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_links_on_substring_tail_uuid ON public.links USING btree ("substring"((tail_uuid)::text, 7, 5));
+
+