conditions[id_] = condition
already_recorded = conditions.keys()
for id_ in db_conn.column_all('conditions', 'id'):
if id_ not in already_recorded:
condition = cls.by_id(db_conn, id_)
conditions[id_] = condition
already_recorded = conditions.keys()
for id_ in db_conn.column_all('conditions', 'id'):
if id_ not in already_recorded:
condition = cls.by_id(db_conn, id_)