Re: COPY TO STDOUT WITH (FORMAT CSV, HEADER), and embedded newlines

	Dominique Devienne wrote:

> These values are 'normal'. I'm not use to CSV, but I suppose
> such newlines
> must be encoded, perhaps as \n, since AFAIK CSV needs to be 1 line per row,
> no?

No, but such fields must be enclosed by double quotes, as documented
in RFC 4180 https://datatracker.ietf.org/doc/html/rfc4180

Consider this output:

psql> COPY (values (1, E'ab\ncd'), (2,'efgh')) TO STDOUT CSV;
1,"ab
cd"
2,efgh

That's 2 records on 3 lines.
If you feed this to a parser and it chokes on it, it means that it's
not a valid CSV parser.

Best regards,
-- 
Daniel Vérité
https://postgresql.verite.pro/
Twitter: @DanielVerite