我正在使用libpq与PostgreSQL DB交互。我得到下面的错误，而试图更新表。
错误：消息中留下的数据不足
我已经创建了一个相同的参数的示例代码，它也给我同样的错误下面是示例代码

std::string sQuery("update client_backlog_period set starttime = $1, endtime = $2, unavailable = $3 where periodid = $4");

    int nElem = 4;
    
    timestamp start_time = 736260060000000, end_time = 736260900000000;
    short nUnavailable = 0;
    long nPeriodid = 1;

    start_time = boost::endian::native_to_big(start_time);
    end_time = boost::endian::native_to_big(end_time);
    nUnavailable = boost::endian::native_to_big(nUnavailable);
    nPeriodid = boost::endian::native_to_big(nPeriodid);

    const char* paramValues[4] = { (char*)&start_time, (char*)&end_time, (char*)&nUnavailable, (char*)&nPeriodid};
    Oid paramTypes[4] = { TIMESTAMPOID, TIMESTAMPOID, INT2OID , INT8OID };

    int paramLengths[4] = { sizeof(start_time), sizeof(end_time),sizeof(nUnavailable), sizeof(nPeriodid) };
    int paramFormats[4] = { 1,1,1,1 };
    PGresult* res = PQexecParams(db.m_pPGConn,
            sQuery.c_str(),
            nElem,
            paramTypes,
            paramValues,
            paramLengths,
            paramFormats,
            1
        );

    ExecStatusType status = PQresultStatus(res);
    if (status != PGRES_COMMAND_OK)
    {
        std::cerr << "\n Update Query failed, Error: " << PQerrorMessage(res) << ",status: " << status << std::endl;
PQclear(res);
    }

PQerrorMessage（res）正在返回错误：消息中剩余的数据不足
状态为PGRES_FATAL_ERROR
插入和选择stmt工作正常。