Re: [HACKERS] generated columns
| От | Tom Lane |
|---|---|
| Тема | Re: [HACKERS] generated columns |
| Дата | |
| Msg-id | 10550.1506969038@sss.pgh.pa.us обсуждение |
| Ответ на | Re: [HACKERS] generated columns (Nico Williams <nico@cryptonector.com>) |
| Ответы |
Re: [HACKERS] generated columns
Re: [HACKERS] generated columns |
| Список | pgsql-hackers |
Nico Williams <nico@cryptonector.com> writes:
> On Mon, Oct 02, 2017 at 12:50:14PM -0400, Adam Brusselback wrote:
>> 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".
What about non-immutable functions in the generation expression?
regards, tom lane
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