Re: Odd performance results

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Medora Schauer" <mschauer(at)fairfield(dot)com>
Cc: "postgresql" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Odd performance results
Date: 2003-07-31 21:10:22
Message-ID: 19174.1059685822@sss.pgh.pa.us
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"Medora Schauer" <mschauer(at)fairfield(dot)com> writes:
> I have a table with a 3 column key. I noticed that when I update a non-key field
> in a record of the table that the update was taking longer than I thought it
> should. After much experimenting I discovered that if I changed the data
> types of two of the key columns to FLOAT8 that I got vastly improved
> performance.

Are there any foreign key linkages to or from this table? Maybe the
other end of the foreign key is float8?

regards, tom lane

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