catalogmanager.h

我们自己写的miniSQL代码

// CatalogManager.h: interface for the CatalogManager class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_CATALOGMANAGER_H__0733A1F9_F519_43CE_AE6D_0BF5E82C05CF__INCLUDED_)
#define AFX_CATALOGMANAGER_H__0733A1F9_F519_43CE_AE6D_0BF5E82C05CF__INCLUDED_


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

#include "BufferManager.h"
#include "BlockUsage.h"	// Added by ClassView
#include "api_inte_struct.h"
#include "TableBlocks.h"
#include "IndexBlock.h"


class CatalogManager  
{
public:
	void drop(char* table_name);
	void delete_a_block(int BlockNo);
	int get_table_record_blockNo(char* table_name);
	int get_table_index_blockNo(char* table_name);
	struct table_info* get_table_info(char* table_name);
	void finalize();
	void init(BufferManager* Buffer_Manager);
	opn_res * create_table(struct table_info * table);
	CatalogManager();
	virtual ~CatalogManager();

private:
	void set_table_in_TB(char* table_name);
	IndexBlock IB;
	TableBlocks TB;
	BlockUsage BU;
	BufferManager* BM;
	void set_BufferManager(BufferManager* Buffer_Manager);

};

#endif // !defined(AFX_CATALOGMANAGER_H__0733A1F9_F519_43CE_AE6D_0BF5E82C05CF__INCLUDED_)