   state varchar(16),
   info text,
   PRIMARY KEY(id)
-);
+) WITHOUT OIDS;
 
 CREATE TABLE ir_model_fields (
   id serial,

    group_id int REFERENCES res_groups ON DELETE SET NULL,

    PRIMARY KEY(id)
);

CREATE TABLE wkf_instance
(

    osv varchar(64),
    on_create bool DEFAULT False,
    PRIMARY KEY(id)
) WITHOUT OIDS;

CREATE TABLE wkf_activity
(
