csqlbcpresult.h

很好用的数据库连接组件

/*=================================================================
** 摘    要：	定义驱动层的CSqlResult和CSqlBcpResult
**              它们是虚拟类。不同的数据库使用时应该继承实现
**		CsqlResult用于执行sql语句。
**		CSqlResult用于执行bcp操作      
==================================================================*/
#ifndef CSQLBCPRESULT_H
#define CSQLBCPRESULT_H
#include "csql.h"
class CVariant;
class CSqlDriver;
class CSql;
class CSqlBcpResultPrivate;
class CSqlError;

class CSqlBcpResult
{
	friend class CSqlBcp;
	friend class CSqlBcpResultShared;
public:
    virtual ~ CSqlBcpResult ();
protected:
    CSqlBcpResult (const CSqlDriver * db);
  virtual bool begin (const string & tableName);
  virtual bool start (const string & tableName);
  virtual bool bind (char buf[][256] = 0, int len = 0);
  virtual bool send ();
  virtual bool end ( bool needClose = true );
  virtual void setLastError (const CSqlError & e);
  virtual bool set (int index, const CVariant & var);
  virtual bool set (int index, const char * var);
  virtual bool set (int index, int var);
  virtual bool isActive () const;
  virtual void setActive (bool a);
  CSqlError lastError () const;
  virtual int row () const;
  virtual int lastRow () const;
  virtual char* operator[](int i ) ;


  const CSqlDriver *driver () const;
  /* return column of the table . if table is not exist , return 0 */
  virtual int fCheckTable (const string & tableName){return 1;};
  virtual bool fCheckPoint (){return 1;};
  virtual bool fBind (char buf[][256], int len){return 1;};
  virtual bool fSend () {return 1;};
  virtual bool fStart (const string & tableName){return 1;};
  virtual bool fEnd (bool all = true){return 1;};
private:
    CSqlBcpResultPrivate * d;
private:
    CSqlBcpResult (const CSqlBcpResult &);
    CSqlBcpResult & operator= (const CSqlBcpResult &);
};

#endif