Re: [HACKERS] generated columns - Mailing list pgsql-hackers

From Tom Lane
Subject Re: [HACKERS] generated columns
Date
Msg-id 10550.1506969038@sss.pgh.pa.us
Whole thread Raw
In response to Re: [HACKERS] generated columns  (Nico Williams <nico@cryptonector.com>)
Responses Re: [HACKERS] generated columns
Re: [HACKERS] generated columns
List 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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