?? dbclient.h
字號:
#ifndef _DBCLIENT_H
#define _DBCLIENT_H
#ifdef DBCLIENT_EXPORTS
#define DBCLIENT_API __declspec(dllexport)
#else
#define DBCLIENT_API __declspec(dllimport)
#endif
#include <oci.h>
/*
** Include the ObList-Library header file.
*/
#include "oblist.h"
#define username "energyuser"
#define password "ffffff"
#define servicename "db250"
#define MAX_SELECT_LIST_SIZE 256
#define MAX_ITEM_BUFFER_SIZE 128
/* Declare structures for query information. */
typedef struct _cs_datefmt
{
sb4 maxlength;
sb2 datatype;
sb1 name[MAX_ITEM_BUFFER_SIZE];
sb4 namelen;
sb4 dsize;
sb2 precision;
sb2 scale;
sb2 status;
} CS_DATAFMT;
typedef struct _column_data
{
ub1 *value;
sb2 valuelen;
ub2 col_retlen, col_retcode;
}COLUMN_DATA;
DBCLIENT_API int Connect();
DBCLIENT_API int Connect(char *user,char *pass, char *service);
DBCLIENT_API void DisConnect();
DBCLIENT_API int ExecCommand(char* cmdbuf);
class DBCLIENT_API Record :public DBObject
{
public:
Record(void);
~Record();
protected:
int column_num;
COLUMN_DATA *columndata;
public:
void SetFieldsCount(int colnum){column_num=colnum;};
void AllocField(int nIndex,int length);
void AllocRecord(int colnum);
int SetFieldValue(int nIndex,COLUMN_DATA data);
public:
int GetFieldsCount(){return column_num;};
char* GetFieldValue(int nIndex);
};
class DBCLIENT_API RecordSet :public ObList
{
public:
RecordSet(void);
~RecordSet();
protected:
char* m_szSql;
int m_nColNum;
protected:
void ResetRecords();
public:
CS_DATAFMT* datafmt;
int Open(char* sql=NULL);
int GetRecordsCount(){return GetCount();};
int GetFieldsCount(){return m_nColNum;};
Record* GetRecord(int nIndex);
void SetRecord(int nIndex,Record* pRecord);
char* GetFieldName(int nField);
int GetFieldID(char* szField);
char* GetValue(int nRecord,int nField);
char* GetValueEx(int nRecord,char* szField);
int SetValue(int nRecord,int nField,char* szValue);
int SetValueEx(int nRecord,char* szField,char* szValue);
public:
void SetFieldsCount(int colnum){m_nColNum=colnum;};
void SetRecordsCount(int num){SetCount(num);};
void AddRecord(COLUMN_DATA* data);
};
#endif
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