Horton

Re: xlog location arithmetic

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

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Magnus Hagander <magnus@hagander.net>
Cc: Fujii Masao <masao.fujii@gmail.com>, Euler Taveira de Oliveira <euler@timbira.com>, Robert Haas <robertmhaas@gmail.com>, Pgsql Hackers <pgsql-hackers@postgresql.org>
Date: 2012-03-09T17:18:24Z
Lists: pgsql-hackers 
Magnus Hagander <magnus@hagander.net> writes:
> On Fri, Mar 9, 2012 at 15:37, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Why would it be useful to use pg_size_pretty on xlog locations?
>> -1 because of the large expense of bigint->numeric->whatever conversion
>> that would be added to existing uses.

> Given the expense, perhaps we need to different (overloaded) functions instead?

That would be a workable solution, but I continue to not believe that
this is useful enough to be worth the trouble.

			regards, tom lane