SELECT
vi_ult_product_prices.product_id,
MIN(
IF(
vi_ult_product_prices.percentage_discount = 0,
vi_ult_product_prices.price,
vi_ult_product_prices.price - (
vi_ult_product_prices.price * vi_ult_product_prices.percentage_discount
)/ 100
)
) AS price
FROM
vi_ult_product_prices
WHERE
vi_ult_product_prices.product_id IN (
59, 58, 60, 42, 39, 40, 37, 43, 56, 57, 30,
53, 52, 33, 32, 55, 29, 50
)
AND vi_ult_product_prices.lower_limit = 1
AND vi_ult_product_prices.company_id = 1
AND vi_ult_product_prices.usergroup_id IN (0, 0, 1)
GROUP BY
vi_ult_product_prices.product_id