databasedoc.h

有计算机图形学、图像处理、dbms、sniffer、中游俄罗斯外挂、othello、遗传算法、舌苔分析等程序。

// DatabaseDoc.h : interface of the CDatabaseDoc class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_DATABASEDOC_H__E6E11DEC_7590_4821_90D2_67531AFECF7E__INCLUDED_)
#define AFX_DATABASEDOC_H__E6E11DEC_7590_4821_90D2_67531AFECF7E__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "KEY.h"
#include "DEF.h"
#include "Block.h"
#include "BTNODE.h"
#include "Relationship.h"
#include "Attribute.h"
#include "SchemaFile.h"
#include "BplusTree.h"
#include "ManageView.h"
#include "MainFrm.h"
//#include "RelationDlg.h"
//#include "OpenDlg.h"
//#include "DBMSView.h"
//#include "IndexDlg.h"
typedef struct R_Item
{
	PDB db_addr;
	Relationship *rel;
	R_Item *next;

	R_Item()
	{
	}
	R_Item(PDB addr,Relationship *r)
	{
		db_addr=addr;
		rel=r;
		next=NULL;
	}
}*PR_Item,*relation_table;
//
class CDatabaseDoc : public CDocument
{
protected: // create from serialization only
	CDatabaseDoc();
	DECLARE_DYNCREATE(CDatabaseDoc)

// Attributes
public:

    relation_table rt;
    //Relationship *R;//当前被激活的关系
	CBplusTree tree_name;
	CBplusTree tree_no;
// Operations
public:
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CDatabaseDoc)
	public:
	virtual BOOL OnNewDocument();
	virtual void Serialize(CArchive& ar);
	//}}AFX_VIRTUAL

// Implementation
public:
	BOOL ExecuteSql(CString sql);
	BOOL GetSchemaIndex();
	void CreateRelation(Relationship *newr);
	Relationship * GetRelation(CString name);
	void NewRelationship(PDB db_addr, Relationship *r);
	Relationship * GetRelation(UINT RelNo);
	virtual ~CDatabaseDoc();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CDatabaseDoc)
	afx_msg void OnOpenDatabase();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_DATABASEDOC_H__E6E11DEC_7590_4821_90D2_67531AFECF7E__INCLUDED_)