Horton

Re: Patch: add timing of buffer I/O requests

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Peter Eisentraut <peter_e@gmx.net>, Peter Geoghegan <peter@2ndquadrant.com>, Ants Aasma <ants@cybertec.at>, Greg Smith <greg@2ndquadrant.com>, pgsql-hackers@postgresql.org
Date: 2012-04-25T21:37:44Z
Lists: pgsql-hackers 
On Wed, Apr 25, 2012 at 5:33 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Peter Eisentraut <peter_e@gmx.net> writes:
>> On mån, 2012-04-23 at 22:03 -0400, Robert Haas wrote:
>>> Perhaps, but nobody's explained what we gain out of NOT using numeric.
>
>> So if you want to have possibly different internal and external
>> representations, why not use interval for the external one?
>
> That doesn't add any usefulness, only extra complication for clients
> that want to do more arithmetic with the values.  Also, as was pointed
> out earlier, we have a hard-coded restriction to microsecond precision
> with the default implementation of interval; and it's not hard to
> foresee the day when that won't do.

Agreed.

-- 
Robert Haas
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