From: Tom Lane <tgl@sss.pgh.pa.us>
To: Nico Williams <nico@cryptonector.com>
Cc: Adam Brusselback <adambrusselback@gmail.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Subject: Re: generated columns
Date: Mon, 02 Oct 2017 14:30:38 -0400
Message-ID: <10550.1506969038@sss.pgh.pa.us> (raw)
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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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To: pgsql-hackers@postgresql.org
Cc: tgl@sss.pgh.pa.us, nico@cryptonector.com, adambrusselback@gmail.com
Subject: Re: generated columns
In-Reply-To: <10550.1506969038@sss.pgh.pa.us>
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