Hi,
> >
> > pei=# copy test1 (a, a) to stdout;
> > ERROR: 42701: column "a" specified more than once
> >
> > Or is this just an overly extensive check that is actually intended for
> COPY
> > FROM STDIN?
> >
> >
>
This seems to be a common check in both "COPY TO" and "COPY FROM" cases
source/destination being STDIN or otherwise. While it definitely makes sense
for the FROM case maybe we could relax this for the COPY TO case.
Regards,
Nikhils
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