If I use auto_import - and add new record - than receive None values instead default
    db = DAL("mysql:/....s", # 
        folder='applications/shop/databases',
        pool_size=3,
        auto_import=True,
        migrate_enabled = SETS.migrate_enabled,
        migrate=SETS.migrate,
        fake_migrate=SETS.fake_migrate,
        check_reserved=['all'],
        )
....
        Field('accuracy', 'integer', default = 2), # accuracy
not worked default ((
referenced fields too not show list 
    Field('curr_id', db.currs, readable=False),