Hey, funny that. There's a SQL injection (https://rt.cpan.org/Ticket/Display.html?id=41565 in the latest DBD::Pg that works even in the face of placeholders.

> > $s=$d->prepare(q[select ? where 1=?], { pg_server_prepare => 0 });
> > $s->bind_param(2,undef,SQL_INTEGER);
> > $s->execute(1,"2; drop table x;");
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