From: Andreas Kretschmer <andreas@a-kretschmer.de>
To: pgsql-performance@lists.postgresql.org
Subject: Re: Table with large number of int columns, very slow COPY FROM
Date: Fri, 8 Dec 2017 08:20:40 +0100
Message-ID: <817fe5f2-c15e-4369-15ce-1e26f74bbbca@a-kretschmer.de> (raw)
In-Reply-To: <D64F5359.2993D%dwalin@dwalin.ru>
References: <D64F5359.2993D%dwalin@dwalin.ru>
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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Subject: Re: Table with large number of int columns, very slow COPY FROM
In-Reply-To: <817fe5f2-c15e-4369-15ce-1e26f74bbbca@a-kretschmer.de>
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