resultset.h

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#ifndef _WX_DATABASE_RESULT_SET_H_
#define _WX_DATABASE_RESULT_SET_H_

#include "wx/database/wxprec.h"

WX_DECLARE_STRING_HASH_MAP(int, StringToIntMap);
WX_DECLARE_HASH_SET( wxResultSetMetaData*, wxPointerHash, wxPointerEqual, wxMetaDataHashSet );

class WXDLLIMPEXP_DATABASE wxDatabaseResultSet : public wxDatabaseErrorReporter, public wxDatabaseStringConverter
{
public:
  wxDatabaseResultSet();

  virtual ~wxDatabaseResultSet();

  virtual bool Next() = 0;
  virtual void Close() = 0;
  
  virtual int LookupField(const wxString& strField) = 0;

  // get field
  virtual int GetResultInt(int nField) = 0;
  virtual wxString GetResultString(int nField) = 0;
  virtual long GetResultLong(int nField) = 0;
  virtual bool GetResultBool(int nField) = 0;
  virtual wxDateTime GetResultDate(int nField) = 0;
  virtual void* GetResultBlob(int nField, wxMemoryBuffer& Buffer) = 0;
  virtual double GetResultDouble(int nField) = 0;
  virtual bool IsFieldNull(int nField) = 0;
  
  virtual int GetResultInt(const wxString& strField);
  virtual wxString GetResultString(const wxString& strField);
  virtual long GetResultLong(const wxString& strField);
  virtual bool GetResultBool(const wxString& strField);
  virtual wxDateTime GetResultDate(const wxString& strField);
  virtual void* GetResultBlob(const wxString& strField, wxMemoryBuffer& Buffer);
  virtual double GetResultDouble(const wxString& strField);
  virtual bool IsFieldNull(const wxString& strField);

  // get MetaData
  virtual wxResultSetMetaData* GetMetaData() = 0;
  virtual bool CloseMetaData(wxResultSetMetaData* pMetaData);

protected:
  void CloseMetaData();
  void LogMetaDataForCleanup(wxResultSetMetaData* pMetaData) { m_MetaData.insert(pMetaData); }
  
private:
  wxMetaDataHashSet m_MetaData;
};

#endif//_WX_DATABASE_RESULT_SET_H_