C_PSQL_PAR_APPEND(buf, buf_len, "sslmode", db->sslmode);
C_PSQL_PAR_APPEND(buf, buf_len, "krbsrvname", db->krbsrvname);
C_PSQL_PAR_APPEND(buf, buf_len, "service", db->service);
C_PSQL_PAR_APPEND(buf, buf_len, "sslmode", db->sslmode);
C_PSQL_PAR_APPEND(buf, buf_len, "krbsrvname", db->krbsrvname);
C_PSQL_PAR_APPEND(buf, buf_len, "service", db->service);