Re: [HACKERS] generated columns
От | Nico Williams |
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Тема | Re: [HACKERS] generated columns |
Дата | |
Msg-id | 20171002181042.GI1251@localhost обсуждение исходный текст |
Ответ на | Re: [HACKERS] generated columns (Adam Brusselback <adambrusselback@gmail.com>) |
Ответы |
Re: [HACKERS] generated columns
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Список | pgsql-hackers |
On Mon, Oct 02, 2017 at 12:50:14PM -0400, Adam Brusselback wrote: > I know that for my use-cases, having both options available would be very > appreciated. The vast majority of the computed columns I would use in my > database would be okay to compute on read. But there are for sure some > which would be performance prohibitive to have compute on read, so i'd > rather have those stored. > > So for me, i'd rather default to compute on read, as long storing the > pre-computed value is an option when necessary. Sure, I agree. I was just wondering whether there might be any other difference besides performance characteristics. The answer to that is, I think, "no". -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
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