diff --git a/sql/upgrades/044.sql b/sql/upgrades/044.sql
new file mode 100644
index 00000000..991eef88
--- /dev/null
+++ b/sql/upgrades/044.sql
@@ -0,0 +1,88 @@
+-- SWH DB schema upgrade
+-- from_version: 43
+-- to_version: 44
+-- description: add object ids to our object tables
+
+-- You might want to launch all the alter tables in parallel as they are bound
+-- to the sequence mutex.
+
+insert into dbversion(version, release, description)
+      values(44, now(), 'Work In Progress');
+
+CREATE SEQUENCE content_object_id_seq
+	START WITH 1
+	INCREMENT BY 1
+	NO MAXVALUE
+	NO MINVALUE
+	CACHE 1;
+
+CREATE SEQUENCE directory_object_id_seq
+	START WITH 1
+	INCREMENT BY 1
+	NO MAXVALUE
+	NO MINVALUE
+	CACHE 1;
+
+CREATE SEQUENCE occurrence_history_object_id_seq
+	START WITH 1
+	INCREMENT BY 1
+	NO MAXVALUE
+	NO MINVALUE
+	CACHE 1;
+
+CREATE SEQUENCE release_object_id_seq
+	START WITH 1
+	INCREMENT BY 1
+	NO MAXVALUE
+	NO MINVALUE
+	CACHE 1;
+
+CREATE SEQUENCE revision_object_id_seq
+	START WITH 1
+	INCREMENT BY 1
+	NO MAXVALUE
+	NO MINVALUE
+	CACHE 1;
+
+CREATE SEQUENCE skipped_content_object_id_seq
+	START WITH 1
+	INCREMENT BY 1
+	NO MAXVALUE
+	NO MINVALUE
+	CACHE 1;
+
+ALTER TABLE content
+	ADD COLUMN object_id bigint DEFAULT nextval('content_object_id_seq'::regclass) NOT NULL;
+
+ALTER TABLE directory
+	ADD COLUMN object_id bigint DEFAULT nextval('directory_object_id_seq'::regclass) NOT NULL;
+
+ALTER TABLE occurrence_history
+	ADD COLUMN object_id bigint DEFAULT nextval('occurrence_history_object_id_seq'::regclass) NOT NULL;
+
+ALTER TABLE "release"
+	ADD COLUMN object_id bigint DEFAULT nextval('release_object_id_seq'::regclass) NOT NULL;
+
+ALTER TABLE revision
+	ADD COLUMN object_id bigint DEFAULT nextval('revision_object_id_seq'::regclass) NOT NULL;
+
+ALTER TABLE skipped_content
+	ADD COLUMN object_id bigint DEFAULT nextval('skipped_content_object_id_seq'::regclass) NOT NULL;
+
+ALTER SEQUENCE content_object_id_seq
+	OWNED BY content.object_id;
+
+ALTER SEQUENCE directory_object_id_seq
+	OWNED BY directory.object_id;
+
+ALTER SEQUENCE occurrence_history_object_id_seq
+	OWNED BY occurrence_history.object_id;
+
+ALTER SEQUENCE release_object_id_seq
+	OWNED BY release.object_id;
+
+ALTER SEQUENCE revision_object_id_seq
+	OWNED BY revision.object_id;
+
+ALTER SEQUENCE skipped_content_object_id_seq
+	OWNED BY skipped_content.object_id;