Re: COPY manual is ambiguous about column list

On Thu, Dec 19, 2019 at 10:33:48PM -0700, David G. Johnston wrote:
> On Thursday, December 19, 2019, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> "David G. Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> writes:
> > Seems better to simply talk about each form independently:
>
> > If a list of columns is specified, <command>COPY TO</command> will only
> > copy the data in the specified columns to the file.  <command>COPY
> > FROM</command> will, by position (i.e., the number of columns listed must
> > match the number of columns in the file), match each file column to the
> > named column in the table.  Any additional columns present in the table
> > will receive their default value.
>
> +1 for separating it like that, but your middle sentence reads awkwardly
> to me.  How about something like
>
>   <command>COPY FROM</command> will match each listed column in the table
>   to a file column by position (so the number of columns listed must match
>   the number of columns in the file).
>
>                   
>
>
> +1

OK, how is this?

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Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
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