Horton

Re: generated columns

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Nico Williams <nico@cryptonector.com>
Cc: Adam Brusselback <adambrusselback@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2017-10-02T18:30:38Z
Lists: 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

Commits

  1. Generated columns

  2. Add walreceiver API to get remote server version

  3. Add pg_partition_tree to display information about partitions

  4. pg_restore: Augment documentation for -N option

  5. Change delimiter used for display of NextXID