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2026-07-03 16:05:30 +08:00
commit df489d5640
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+// UpdateDataBase.h: interface for the CUpdateDataBase class.
+//
+//////////////////////////////////////////////////////////////////////
+#include "Markup.h"
+
+#if !defined(AFX_UPDATEDATABASE_H__65574C8D_6ABD_4A5C_8943_C38142D7BDD5__INCLUDED_)
+#define AFX_UPDATEDATABASE_H__65574C8D_6ABD_4A5C_8943_C38142D7BDD5__INCLUDED_
+
+#if _MSC_VER > 1000
+#pragma once
+#endif // _MSC_VER > 1000
+
+#include <vector>
+
+
+typedef struct STCOLUMNINFO
+{
+	CString strColName;//列名
+	CString strRefTableName;//外键约束的表名
+	CString strRefTableCol;//外键约束的字段名
+	int nModifyType; //操作的类型，0:不更改， 1: 增加  2:删除  3:修改，主键的属性是不能进行修改的
+	int nValueType; //从1开始
+	int nAttrType;
+	int nIsPrimaryKey;
+	int nIsForeignKey;
+	int nIndex;
+	int nIsEmpty;
+	int nIsCompress;
+	STCOLUMNINFO()
+	{
+		strColName = _T("");
+		strRefTableName = _T("");
+		strRefTableCol = _T("");
+		nModifyType = 0;
+		nValueType = 1;
+		nAttrType = 50;
+		nIsPrimaryKey = 0;
+		nIsForeignKey = 0;
+		nIndex = 0;
+		nIsEmpty = 0;
+		nIsCompress = 0;
+	}
+}STColInfo;
+
+typedef struct STTABLEINFO
+{
+	CString strTableName;
+	int nModifyType; //操作的类型，0:不更改， 1: 增加  2:删除  3:修改
+	std::vector<STColInfo> vtColInfo;
+	STTABLEINFO()
+	{
+		strTableName = _T("");
+		nModifyType = 0;
+		vtColInfo.clear();
+	}
+
+}STTableInfo;
+
+typedef enum EN_UPDATEDB_RES
+{
+	enResFail = 0,
+	enResSuccess,
+	enResNoUpdate
+}EnUpdateDBRes;
+
+static char* chValueType[20] = {"varchar", "text", "tinyint", "smallint", "integer", "real", 
+                                 "float", "money", "counter", "datetime", "bit", "image"};
+
+
+class CUpdateDataBase  
+{
+public:
+	CUpdateDataBase(_ConnectionPtr pConnection, CString strVer);
+	virtual ~CUpdateDataBase();
+	bool ParserUpdateDBXml();
+	int UpdateDBInfo();
+
+
+protected:
+	//functions
+	bool QueryPreVersion();
+
+	bool WriteVersionToDB();
+
+	void PrintLog(CString& strLog);
+
+	bool GetDBUpdatesInfo(); //解析数据库的更新新，前提是必须先跳转到pre_version元素中
+
+	STColInfo GetColumnInfo(int nType);
+
+	
+	bool AddDBTable(STTableInfo pstTable);
+
+	bool DeleteDBTable(STTableInfo stTable);
+
+	bool ModifyDBTable(STTableInfo stTable);
+
+	bool AddTableCol(CString strTable, STColInfo stCol, std::vector<CString>& vtSql);
+
+	bool ModifyTableCol(CString strTable, STColInfo stCol, std::vector<CString>& vtSql);
+
+	bool CheckNecessaryVersion();//为了填补1.5版本中versioninfo表中没有字段的问题而引入的临时解决方案
+	
+	//member
+	STTableInfo m_stDBModifyInfo;
+	std::vector<STTableInfo> m_vtUpdateDBInfo;	
+	CMarkup m_opXml;
+	FILE* m_pLog;
+	CString m_strPreVersion;
+	_ConnectionPtr m_pConnection;
+	CString m_strCurVer;
+
+};
+
+#endif // !defined(AFX_UPDATEDATABASE_H__65574C8D_6ABD_4A5C_8943_C38142D7BDD5__INCLUDED_)