Re: Table with large number of int columns, very slow COPY FROM

From: Andreas Kretschmer <andreas(at)a-kretschmer(dot)de>
To: pgsql-performance(at)lists(dot)postgresql(dot)org
Subject: Re: Table with large number of int columns, very slow COPY FROM
Date: 2017-12-08 07:20:40
Message-ID: 817fe5f2-c15e-4369-15ce-1e26f74bbbca@a-kretschmer.de
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On 08.12.2017 05:21, Alex Tokarev wrote:
> I have made a minimally reproducible test case consisting of a table
> with 848 columns

Such a high number of columns is maybe a sign of a wrong table /
database design, why do you have such a lot of columns? How many indexes
do you have?

Regards, Andreas

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