* 返回或保存给定列表、集合、有序集合key中经过排序的元素 * @param[in] key 键 * @param[in] conditions 排序条件 * @param[out] value 结果集 * @return 成功true,失败false * @see * @note 排序默认以数字作为对象，值被解释为双精度浮点数，然后进行比较 */
| 4386 | * @note 排序默认以数字作为对象，值被解释为双精度浮点数，然后进行比较 |
| 4387 | */ |
| 4388 | bool RedisClient::sort(const QString & key, QList<QByteArray> & value, const QString & conditions) { |
| 4389 | _sErrorInfo.clear(); |
| 4390 | if(key.trimmed().isEmpty()) { |
| 4391 | _sErrorInfo = "key is empty"; |
| 4392 | return false; |
| 4393 | } |
| 4394 | |
| 4395 | _vCmdList.clear(); |
| 4396 | _vCmdList.push_back("SORT"); |
| 4397 | _vCmdList.push_back(key); |
| 4398 | if(!conditions.isEmpty()) { |
| 4399 | _vCmdList.push_back(conditions); |
| 4400 | } |
| 4401 | |
| 4402 | _cmdResult = command(_vCmdList); |
| 4403 | if(_cmdResult[0] == '-') { |
| 4404 | if(parseRespError(_cmdResult,_sValue)) |
| 4405 | _sErrorInfo = _sValue; |
| 4406 | else |
| 4407 | _sErrorInfo = "parser resp error info failed"; |
| 4408 | _bRet = false; |
| 4409 | } else if(_cmdResult[0] == '*') { |
| 4410 | if(parseRespSingelArray(_cmdResult,value, _iRet)) { |
| 4411 | _bRet = true; |
| 4412 | } else { |
| 4413 | _sErrorInfo = "parser resp bulk string info failed"; |
| 4414 | _bRet = false; |
| 4415 | } |
| 4416 | } else { |
| 4417 | _bRet = false; |
| 4418 | _sErrorInfo = QString("parser resp type failed:") + _cmdResult[0]; |
| 4419 | } |
| 4420 | return _bRet; |
| 4421 | } |
| 4422 | |
| 4423 | /** |
| 4424 | * 迭代当前数据库中的数据库键 |