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Re: xlog location arithmetic

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
Cc: Magnus Hagander <magnus(at)hagander(dot)net>, Euler Taveira de Oliveira <euler(at)timbira(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: xlog location arithmetic
Date: 2012-03-09 14:37:35
Message-ID: 28480.1331303855@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Fujii Masao <masao(dot)fujii(at)gmail(dot)com> writes:
> Euler proposed one more patch upthread, which replaces pg_size_pretty(bigint)
> with pg_size_pretty(numeric) so that pg_size_pretty(pg_xlog_location_diff())
> succeeds. It's also worth committing this patch?

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.

			regards, tom lane

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