Добавить дополнительное поле через базу - [VM2&3] Общие вопросы и ошибки

INSERT INTO `jos_virtuemart_product_customfields` (`virtuemart_customfield_id`, `virtuemart_product_id`, `virtuemart_custom_id`, `customfield_value`, `customfield_price`, `disabler`, `override`, `noninheritable`, `customfield_params`, `product_sku`, `product_gtin`, `product_mpn`, `published`, `created_on`, `created_by`, `modified_on`, `modified_by`, `locked_on`, `locked_by`, `ordering`) VALUES (NULL, '1960', '31', '', '0.000000', '0', '0', '0', 'custom_size=\"10\"|custom_price_by_letter=\"0\"|', NULL, NULL, NULL, '0', '0000-00-00 00:00:00', '0', '2020-05-18 12:42:44', '42', '0000-00-00 00:00:00', '0', '3')

INSERT INTO `jos_virtuemart_product_customfields` (`virtuemart_customfield_id`, `virtuemart_product_id`, `virtuemart_custom_id`, `customfield_value`, `customfield_price`, `disabler`, `override`, `noninheritable`, `customfield_params`, `product_sku`, `product_gtin`, `product_mpn`, `published`, `created_on`, `created_by`, `modified_on`, `modified_by`, `locked_on`, `locked_by`, `ordering`)
SELECT NULL, `product_id`, '31', '', '0.000000', '0', '0', '0', 'custom_size=\"10\"|custom_price_by_letter=\"0\"|', NULL, NULL, NULL, '0', '0000-00-00 00:00:00', '0', '2020-05-18 12:42:44', '42', '0000-00-00 00:00:00', '0', '3'
FROM `таблица товаров`

declare curr cursor for
(select objectid from table )
open curr

set @i=0
fetch next from curr into @id
while(@@fetch_status=0)
begin
exec zzUpdateGraduateResult @id
set @i=@i+1
print @i
fetch next from curr into @id
end
close curr
deallocate curr