56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
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#ifndef _DB_MAG_H
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#define _DB_MAG_H
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#include <string.h>
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#include <string>
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#include <vector>
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#include <iDA/iDA.h>
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#include <log4cplus/LOG.h>
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#include <dao/DbStandardDBAX.h>
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using namespace iPlature;
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using namespace baosight;
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class DBMag
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{
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public:
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DBMag();
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virtual ~DBMag();
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private:
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static iDA::Command cmd;
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public:
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//获取SEQUENCE的nextval
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static long GetSeqNext(string sequence);
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//获取表中某数字字段的最大值
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static long GetMaxValue(const string& table, const string& column);
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//统计（平均，最大，最小）
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//返回到值data[0]平均，data[1]最大，data[2]最小
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static short Avg(const string& field,const string& table, const string& where, float values[3]);
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//统计多个字段的（平均，最大，最小）
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static short Avg(const vector<string> fields,const string& table, const string& where, vector<float>& values);
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//求和
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static short Sum(const vector<string> fields,const string& table, const string& where, vector<float>& values);
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//执行拼装完整的SQL语句
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static short Execute(const string& sql , long* count);
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//统计相关数据计录数
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static long Count(const string& field,const string& table, const string& where);
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//SQL方式读取字段
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static short ReadDB(const string& sql,vector<float>& values);
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private:
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//错误处理
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static short SqlErr(long sqlcode);
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};
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#endif
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