Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> writes:
> On Wed, 2021-06-09 at 19:54 +0000, PG Doc comments form wrote:
>> When using psql (version 13.3) against a version 13 cluster, the method
>> shown in the compatibility section works whereas the methods shown in the
>> synopsis and parameters sections do not work and will throw a syntax
>> error.
> You must be misreading something, the new syntax works:
> COPY (SELECT 42 AS x) TO STDOUT (FORMAT 'csv', FORCE_QUOTE (x));
The most probable explanation seems to be that the OP is actually
connecting to an 8.4 (or older) PG server.
regards, tom lane