-# changesets_bbox_idx (min_lat,max_lat,min_lon,max_lon)
-# changesets_closed_at_idx (closed_at)
-# changesets_created_at_idx (created_at)
-# changesets_user_id_created_at_idx (user_id,created_at)
-# changesets_user_id_id_idx (user_id,id)
+# changesets_bbox_idx (min_lat,max_lat,min_lon,max_lon) USING gist
+# changesets_closed_at_idx (closed_at)
+# changesets_created_at_idx (created_at)
+# changesets_user_id_created_at_idx (user_id,created_at)
+# changesets_user_id_id_idx (user_id,id)
+# index_changesets_on_user_id_and_closed_at (user_id,closed_at)