Dominique Devienne wrote: > so I can easily do that "\n" encoding myself, as a post-processing on > the buffer I get back. Alternatively, it might be easier to use the default TEXT format of COPY rather than CSV, as the TEXT format already produces \n for line feeds, along with half a dozen other special backslashes sequences. See https://www.postgresql.org/docs/current/sql-copy.html Best regards, -- Daniel Vérité https://postgresql.verite.pro/ Twitter: @DanielVerite