Is there a reason why COPY TO STDOUT does not allow columns to be specified
more than once?
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?
--
Peter Eisentraut
http://developer.postgresql.org/~petere/