On Thu, Dec 19, 2019 at 10:33:48PM -0700, David G. Johnston wrote:
> On Thursday, December 19, 2019, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>
> "David G. Johnston" <david.g.johnston@gmail.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?
--
Bruce Momjian <bruce@momjian.us> http://momjian.us
EnterpriseDB http://enterprisedb.com
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