f8/cpp/dbpool.h
aozhiwei 8268f46feb 1
2020-07-10 10:59:37 +08:00

40 lines
1.3 KiB
C++

#pragma once
#include <atomic>
namespace f8
{
typedef std::vector<std::vector<std::string>> DataSet;
typedef void (*AsyncDBOnOkFunc)(a8::XParams& param, const DataSet* data_set);
typedef void (*AsyncDBOnErrorFunc)(a8::XParams& param, int error_code, const std::string& error_msg);
class DBPoolImpl;
class DBPool : public a8::Singleton<DBPool>
{
private:
DBPool() {};
friend class a8::Singleton<DBPool>;
public:
AsyncDBOnErrorFunc on_dberror = nullptr;
std::atomic<long long> total_query_num = {0};
std::atomic<long long> exec_query_num = {0};
std::atomic<long long> run_loop_num = {0};
public:
void Init();
void UnInit();
void SetThreadNum(int thread_num);
//执行异步并行查询
void ExecAsyncQuery(a8::XObject conn_info, const char* querystr, std::vector<a8::XValue> args,
a8::XParams param, AsyncDBOnOkFunc on_ok, AsyncDBOnErrorFunc on_error, long long hash_code);
//执行异步并行sql
void ExecAsyncScript(a8::XObject conn_info, const char* querystr, std::vector<a8::XValue> args,
a8::XParams param, AsyncDBOnOkFunc on_ok, AsyncDBOnErrorFunc on_error, long long hash_code);
private:
DBPoolImpl* impl_ = nullptr;
};
}