+--
+-- Name: friends friends_user_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.friends
+ ADD CONSTRAINT friends_user_id_fkey FOREIGN KEY (user_id) REFERENCES public.users(id);
+
+
+--
+-- Name: gps_points gps_points_gpx_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.gps_points
+ ADD CONSTRAINT gps_points_gpx_id_fkey FOREIGN KEY (gpx_id) REFERENCES public.gpx_files(id);
+
+
+--
+-- Name: gpx_file_tags gpx_file_tags_gpx_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.gpx_file_tags
+ ADD CONSTRAINT gpx_file_tags_gpx_id_fkey FOREIGN KEY (gpx_id) REFERENCES public.gpx_files(id);
+
+
+--
+-- Name: gpx_files gpx_files_user_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.gpx_files
+ ADD CONSTRAINT gpx_files_user_id_fkey FOREIGN KEY (user_id) REFERENCES public.users(id);
+
+
+--
+-- Name: issue_comments issue_comments_issue_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.issue_comments
+ ADD CONSTRAINT issue_comments_issue_id_fkey FOREIGN KEY (issue_id) REFERENCES public.issues(id);
+
+
+--
+-- Name: issue_comments issue_comments_user_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.issue_comments
+ ADD CONSTRAINT issue_comments_user_id_fkey FOREIGN KEY (user_id) REFERENCES public.users(id);
+
+
+--
+-- Name: issues issues_reported_user_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.issues
+ ADD CONSTRAINT issues_reported_user_id_fkey FOREIGN KEY (reported_user_id) REFERENCES public.users(id);
+
+
+--
+-- Name: issues issues_resolved_by_fkey; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.issues
+ ADD CONSTRAINT issues_resolved_by_fkey FOREIGN KEY (resolved_by) REFERENCES public.users(id);
+
+
+--
+-- Name: issues issues_updated_by_fkey; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.issues
+ ADD CONSTRAINT issues_updated_by_fkey FOREIGN KEY (updated_by) REFERENCES public.users(id);
+
+
+--
+-- Name: messages messages_from_user_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.messages
+ ADD CONSTRAINT messages_from_user_id_fkey FOREIGN KEY (from_user_id) REFERENCES public.users(id);
+
+
+--
+-- Name: messages messages_to_user_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.messages
+ ADD CONSTRAINT messages_to_user_id_fkey FOREIGN KEY (to_user_id) REFERENCES public.users(id);
+
+
+--
+-- Name: node_tags node_tags_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.node_tags
+ ADD CONSTRAINT node_tags_id_fkey FOREIGN KEY (node_id, version) REFERENCES public.nodes(node_id, version);
+