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From: Pavlo Golub <[email protected]>
To: Laurenz Albe <[email protected]>
Cc: [email protected]
Subject: Re: COPY manual is ambiguous about column list
Date: Thu, 28 Nov 2019 14:53:03 +0100
Message-ID: <CAMtUEpBmq3Mefkyh=RmkC4Fuqq+YtbUrr_nHnzxUwEbwm+CPfg@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>

On Thu, 28 Nov 2019 at 10:47, Laurenz Albe <[email protected]> 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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Hoc est vivere bis, vita posse priore frui.
Nullus est in vitae sensus, ipsa vera est sensus.

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