39 lines
1.4 KiB
C++
39 lines
1.4 KiB
C++
#pragma once
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typedef std::vector<std::vector<std::string>> DataSet;
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typedef void (*AsyncDBOnOkFunc)(a8::XParams& param, const DataSet* data_set);
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typedef void (*AsyncDBOnErrorFunc)(a8::XParams& param, int error_code, const std::string& error_msg);
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struct AsyncQueryRequest;
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class DBThread;
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class DBPool : public a8::Singleton<DBPool>
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{
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private:
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DBPool() {};
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friend class a8::Singleton<DBPool>;
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public:
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void Init();
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void UnInit();
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void SetThreadNum(int thread_num);
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//执行异步并行查询
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void ExecAsyncQuery(a8::XObject conn_info, const char* querystr, std::initializer_list<a8::XValue> args,
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a8::XParams param, AsyncDBOnOkFunc on_ok, AsyncDBOnErrorFunc on_error, long long hash_code);
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//执行异步并行sql
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void ExecAsyncScript(a8::XObject conn_info, const char* querystr, std::initializer_list<a8::XValue> args,
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a8::XParams param, AsyncDBOnOkFunc on_ok, AsyncDBOnErrorFunc on_error, long long hash_code);
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private:
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AsyncQueryRequest* GetAsyncQueryRequest(long long seqid);
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void AsyncSqlOnOk(long long seqid, DataSet* data_set);
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void AsyncSqlOnError(long long seqid, int errcode, const std::string& errmsg);
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private:
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long long curr_seqid_ = 0;
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std::map<long long, AsyncQueryRequest*> async_query_hash_;
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unsigned short exec_async_query_msgid_ = 0;
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std::vector<DBThread*> db_thread_pool_;
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};
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