"Eiichi Nakamura" <nakamura@nepsys.ddo.jp> writes:
> For PostgreSQL 9.0.1, after changing server "bytea_output" parameter as
> "escape" in postgresql.conf file, it is expected that PQescapeByteaConn
> (libpq) returns "escape" format.
Why do you expect that? The parameter only controls the *server*'s
output, it is not suggested anywhere that it should have an effect
on clients.
regards, tom lane