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In-Reply-To: <4f3e2f301646d94ad33558e21fc77d5bf1ea1cdd.camel@cybertec.at>
From: Pavlo Golub <pavlo.golub@gmail.com>
Date: Thu, 28 Nov 2019 14:53:03 +0100
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 <CAMtUEpBmq3Mefkyh=RmkC4Fuqq+YtbUrr_nHnzxUwEbwm+CPfg@mail.gmail.com>
Subject: Re: COPY manual is ambiguous about column list
To: Laurenz Albe <laurenz.albe@cybertec.at>
Cc: pgsql-docs@lists.postgresql.org
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On Thu, 28 Nov 2019 at 10:47, Laurenz Albe <laurenz.albe@cybertec.at> wrote:
>
> On Wed, 2019-11-27 at 17:54 +0000, PG Doc comments form wrote:
> > "If a list of columns is specified, COPY will only copy the data in the
> > specified columns to or from the file. If there are any columns in the table
> > that are not in the column list, COPY FROM will insert the default values
> > for those columns."
> >
> > I clearly see "to or from" file here. But if one tries to COPY FROM filename
> > with more columns than list specified, the process fails:
>
> I think you misunderstood the documentation.

Yeap, I did. Even two of us. Laetitia was helping me :)

>
> Nowhere in that sentence is the documentation talking about columns in
> the file, only columns in the table.
>
> But if you got it wrong, maybe a clarification would be a good idea.

I think it better to have more details to avoid confusion.

>
> Yours,
> Laurenz Albe
>


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