Member pqxx::connection_base: Old base class for connection. They are now the same class.
Member pqxx::encrypt_password (std::string const &user, std::string const &password): Use connection::encrypt_password instead.
Member pqxx::encrypt_password (char const user[], char const password[]): Use connection::encrypt_password instead.
Member pqxx::row::swap (row &) noexcept: Do this sort of thing on iterators instead.