SELECT
cscart_product_prices.product_id,
COALESCE(
cscart_master_products_storefront_min_price.price,
MIN(
IF(
cscart_product_prices.percentage_discount = 0,
cscart_product_prices.price,
cscart_product_prices.price - (
cscart_product_prices.price * cscart_product_prices.percentage_discount
)/ 100
)
)
) AS price
FROM
cscart_product_prices
LEFT JOIN cscart_master_products_storefront_min_price ON cscart_master_products_storefront_min_price.product_id = cscart_product_prices.product_id
AND cscart_master_products_storefront_min_price.storefront_id = 1
WHERE
cscart_product_prices.product_id IN (
19350, 19223, 18911, 18912, 18917, 18913,
18918, 18919, 19266, 19267, 18920,
18921, 19268, 19269
)
AND cscart_product_prices.lower_limit = 1
AND cscart_product_prices.usergroup_id IN (0, 1)
GROUP BY
cscart_product_prices.product_id