Re: Return select statement with sql case statement
От | Adrian Klaver |
---|---|
Тема | Re: Return select statement with sql case statement |
Дата | |
Msg-id | 26b7bb4e-b9cf-1843-28e5-c81ef7b3f64f@aklaver.com обсуждение исходный текст |
Ответ на | Re: Return select statement with sql case statement (Ron <ronljohnsonjr@gmail.com>) |
Ответы |
Re: Return select statement with sql case statement
|
Список | pgsql-general |
On 07/04/2018 03:03 PM, Ron wrote: > 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 The issue with the above is that table changes from product to product1 in the OP's desired behavior so the price switch alone will not work:( > > -- Adrian Klaver adrian.klaver@aklaver.com
В списке pgsql-general по дате отправления: