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[Autofix][warning] Alert #42: Poorly documented large function #53

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[Autofix][warning] Alert #42: Poorly documented large function #53

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9 changes: 9 additions & 0 deletions XEngine_Source/MQCore_DBModule/DBModule_MQData/DBModule_MQData.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -196,25 +196,34 @@ bool CDBModule_MQData::DBModule_MQData_Delete(XENGINE_DBMESSAGEQUEUE* pSt_DBInfo
类型：逻辑型
意思：是否成功
备注：
查询流程说明：
1) 参数校验：输入结构必须有效，否则设置统一错误码并返回失败；
2) 缓存优先：当启用查询缓存时先查内存，命中则直接返回成功；
3) 数据库查询：缓存未命中后拼接并执行 SQL，从结果集中填充输出结构；
4) 缓存回填：数据库查询成功后，将结果写回缓存以加速后续查询；
5) 错误语义：任一阶段失败均通过 DBModule_IsErrorOccur/DBModule_dwErrorCode 上报。
*********************************************************************/
bool CDBModule_MQData::DBModule_MQData_Query(XENGINE_DBMESSAGEQUEUE* pSt_DBInfo)
{
DBModule_IsErrorOccur = false;

// [阶段1] 输入参数校验：查询条件与输出承载结构均依赖 pSt_DBInfo。
if (NULL == pSt_DBInfo)
{
DBModule_IsErrorOccur = true;
DBModule_dwErrorCode = ERROR_XENGINE_MQCORE_DATABASE_PARAMENT;
return false;
}

// [阶段2] 查询缓存优先：命中则直接返回，避免访问数据库。
if (m_bMemoryQuery)
{
if (MemoryCache_DBData_DataQuery(pSt_DBInfo))
{
return true;
}
}
// [阶段3] 缓存未命中，执行数据库查询。
//查询
XNETHANDLE xhTable = 0;
__int64u nllLine = 0;
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