From: Tom Lane <tgl@sss.pgh.pa.us>
To: mcelroy, tim <tim.mcelroy@bostonstock.com>
Cc: 'pgsql-performance@postgresql.org' <pgsql-performance@postgresql.org>
Subject: Re: pg_reset_stats + cache I/O %
Date: Tue, 07 Mar 2006 14:36:56 -0500
Message-ID: <2756.1141760216@sss.pgh.pa.us> (raw)
In-Reply-To: <0C4841B42F87D51195BD00B0D020F5CB044B240E@morpheus.bostonstock.com>
References: <0C4841B42F87D51195BD00B0D020F5CB044B240E@morpheus.bostonstock.com>
"mcelroy, tim" <tim.mcelroy@bostonstock.com> writes:
> ERROR: function round(double precision, integer) does not exist
Try coercing to numeric instead of float. Also, it'd be a good idea to
put that coercion outside the sum()'s instead of inside --- summing
bigints is probably noticeably faster than summing numerics.
regards, tom lane
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To: pgsql-performance@postgresql.org
Cc: tgl@sss.pgh.pa.us, tim.mcelroy@bostonstock.com
Subject: Re: pg_reset_stats + cache I/O %
In-Reply-To: <2756.1141760216@sss.pgh.pa.us>
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