On 07/04/2018 10:32 AM, hmidi slim wrote:
Actually, I need the use of case because based on the numberOfPremiumDays
there are different type of treatment:
select numberOfPremiumDays
case when numberOfPremiumDays = date_part('day',
('2018-11-05'::timestamp) - ('2018-11-01'::timestamp)) then
select product_id,
premium_price,
period_price
from product
where occupation_type_id = 1
group by product_id, occupation_type_id
else
select product_id,
classic_price,
period_price
from product1
where occupation_type_id = 1
group by product_id, occupation_type_id
Then try:
select product_id,
case when numberOfPremiumDays = date_part('day', ('2018-11-05'::timestamp) -
('2018-11-01'::timestamp)) then
premium_price
else
period_price
end as the_price
from product
where occupation_type_id = 1
order by product_id, occupation_type_id
--
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