Re: xlog location arithmetic - Mailing list pgsql-hackers

From Tom Lane
Subject Re: xlog location arithmetic
Date
Msg-id 28900.1331305255@sss.pgh.pa.us
Whole thread Raw
In response to Re: xlog location arithmetic  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
Robert Haas <robertmhaas@gmail.com> writes:
> On Fri, Mar 9, 2012 at 9:37 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Why would it be useful to use pg_size_pretty on xlog locations?

> The point is that it would be useful to use it on the difference
> between two xlog locations,

Um, that is exactly the claim I was questioning.  Why is that useful?

> but that is a numeric value, not int8, because of signedness issues.

See my followup --- this statement appears factually incorrect,
whatever you may feel about the usefulness issue.
        regards, tom lane


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