add version number to msg database

mailnews/db/msgdb/public/nsDBFolderInfo.h

@@ -64,7 +64,8 @@ public:
 	NS_IMETHOD			GetImapUidValidity(PRInt32 *result) ;
 	NS_IMETHOD			SetImapUidValidity(PRInt32 uidValidity) ;
 
-	NS_IMETHOD			SetVersion(PRUint16 version) ;
+	NS_IMETHOD			SetVersion(PRUint32 version) ;
+	NS_IMETHOD			GetVersion(PRUint32 *result);
 
 	NS_IMETHOD			GetLastMessageLoaded(nsMsgKey *result);
 	NS_IMETHOD			SetLastMessageLoaded(nsMsgKey lastLoaded);
@@ -76,7 +77,6 @@ public:
 	NS_IMETHOD			SetProperty(const char *propertyName, nsString &propertyStr);
 	NS_IMETHOD			SetUint32Property(const char *propertyName, PRUint32 propertyValue);
 	NS_IMETHOD			GetUint32Property(const char *propertyName, PRUint32 &propertyValue);
-
 	// create the appropriate table and row in a new db.
 	nsresult			AddToNewMDB();
 	// accessor methods.
@@ -179,7 +179,7 @@ protected:
 	mdb_token			m_totalPendingMessagesColumnToken;
 	mdb_token			m_unreadPendingMessagesColumnToken;
 	mdb_token			m_expiredMarkColumnToken;
-
+	mdb_token			m_versionColumnToken;
 };
 
 #endif

mailnews/db/msgdb/public/nsIDBFolderInfo.h

@@ -50,7 +50,8 @@ public:
 	NS_IMETHOD			GetImapUidValidity(PRInt32 *result)  = 0;
 	NS_IMETHOD			SetImapUidValidity(PRInt32 uidValidity)  = 0;
 
-	NS_IMETHOD			SetVersion(PRUint16 version)  = 0;
+	NS_IMETHOD			SetVersion(PRUint32 version)  = 0;
+	NS_IMETHOD			GetVersion(PRUint32 *result) = 0;
 
 	NS_IMETHOD			GetLastMessageLoaded(nsMsgKey *result) = 0;
 	NS_IMETHOD			SetLastMessageLoaded(nsMsgKey lastLoaded) = 0;

mailnews/db/msgdb/public/nsMailDatabase.h

@@ -48,14 +48,13 @@ public:
 
 	virtual nsresult		DeleteMessages(nsMsgKeyArray &nsMsgKeys, nsIDBChangeListener *instigator);
 
-//	virtual int				GetCurVersion() {return kMailDBVersion;}
 	static  nsresult		SetFolderInfoValid(nsFilePath &pathname, int num, int numunread);
 	nsresult				GetFolderName(nsString &folderName);
 	virtual nsMailDatabase	*GetMailDB() {return this;}
 	MSG_Master		*GetMaster() {return m_master;}
 	void			SetMaster(MSG_Master *master) {m_master = master;}
 
-	virtual int				GetCurVersion() {return kMailDBVersion;}
+	virtual PRUint32		GetCurVersion() {return kMailDBVersion;}
 	virtual MSG_FolderInfo *GetFolderInfo();
 	
 	// for offline imap queued operations

mailnews/db/msgdb/public/nsMsgDatabase.h

@@ -209,6 +209,7 @@ public:
 	nsDBFolderInfo			*GetDBFolderInfo() {return m_dbFolderInfo;}
 	nsIMdbEnv				*GetEnv() {return m_mdbEnv;}
 	nsIMdbStore				*GetStore() {return m_mdbStore;}
+	virtual PRUint32		GetCurVersion();
 
 	static nsMsgDatabase* FindInCache(nsFilePath &dbName);
 

mailnews/db/msgdb/src/mdbstubs.cpp

@@ -587,11 +587,12 @@ mdb_err nsIMdbTableRowCursor::NextRowOid  ( // get row id of next row in the tab
     mdbOid* outOid, // out row oid
     mdb_pos* outRowPos)
 {
-	nsIMdbRow *curRow;
+	nsIMdbRow *curRow = NULL;
 	if (m_pos < 0)
 		m_pos = 0;
 
 	*outRowPos = m_pos;
+	if (m_table)
 		curRow = (nsIMdbRow *) m_table->m_rows.ElementAt(m_pos++);
 	if (curRow)
 		*outOid = curRow->m_oid;
@@ -680,7 +681,7 @@ mdb_err mdbCellImpl::Write(nsIOFileStream *stream)
 	return 0;
 }
 
-const int kLineBufLength = 400;
+const int kLineBufLength = 1000;
 
 mdb_err mdbCellImpl::Read(nsIOFileStream *stream)
 {

mailnews/db/msgdb/src/nsDBFolderInfo.cpp

@@ -41,6 +41,7 @@ static const char *	kUnreadPendingMessagesColumnName = "unreadPendingMsgs";
 static const char * kMailboxNameColumnName = "mailboxName";
 static const char * kKnownArtsSetColumnName = "knownArts";
 static const char * kExpiredMarkColumnName = "expiredMark";
+static const char * kVersionColumnName = "version";
 
 // we need this because of an egcs 1.0 (and possibly gcc) compiler bug
 // that doesn't allow you to call ::nsISupports::IID() inside of a class
@@ -215,6 +216,7 @@ nsresult nsDBFolderInfo::InitMDBInfo()
 		store->StringToToken(env,  kTotalPendingMessagesColumnName, &m_totalPendingMessagesColumnToken);
 		store->StringToToken(env,  kUnreadPendingMessagesColumnName, &m_unreadPendingMessagesColumnToken);
 		store->StringToToken(env,  kExpiredMarkColumnName, &m_expiredMarkColumnToken);
+		store->StringToToken(env,  kVersionColumnName, &m_versionColumnToken);
 		m_mdbTokensInitialized  = PR_TRUE;
 	}
 	return ret;
@@ -230,15 +232,23 @@ nsresult nsDBFolderInfo::LoadMemberVariables()
 	GetInt32PropertyWithToken(m_flagsColumnToken, m_flags);
 	GetInt32PropertyWithToken(m_folderSizeColumnToken, m_folderSize);
 	GetInt32PropertyWithToken(m_folderDateColumnToken, (PRInt32 &) m_folderDate);
+	GetInt32PropertyWithToken(m_folderDateColumnToken, (PRInt32 &) m_folderDate);
 	return ret;
 }
 
-NS_IMETHODIMP nsDBFolderInfo::SetVersion(PRUint16 version)
+NS_IMETHODIMP nsDBFolderInfo::SetVersion(PRUint32 version)
 {
 	m_version = version; 
+	return SetUint32PropertyWithToken(m_versionColumnToken, (PRUint32) m_version);
+}
+
+NS_IMETHODIMP nsDBFolderInfo::GetVersion(PRUint32 *version)
+{
+	*version = m_version; 
 	return NS_OK;
 }
 
+
 NS_IMETHODIMP nsDBFolderInfo::SetHighWater(nsMsgKey highWater, PRBool force /* = FALSE */)
 {
 	if (force || m_highWaterMessageKey < highWater)
@@ -370,12 +380,14 @@ NS_IMETHODIMP nsDBFolderInfo::GetNumNewMessages(PRInt32 *result)
 
 NS_IMETHODIMP	nsDBFolderInfo::GetNumMessages(PRInt32 *result) 
 {
-	return m_numMessages;
+	*result = m_numMessages;
+	return NS_OK;;
 }
 
 NS_IMETHODIMP	nsDBFolderInfo::GetNumVisibleMessages(PRInt32 *result) 
 {
-	return m_numVisibleMessages;
+	*result = m_numVisibleMessages;
+	return NS_OK;
 }
 
 NS_IMETHODIMP	nsDBFolderInfo::GetFlags(PRInt32 *result)

mailnews/db/msgdb/src/nsMsgDatabase.cpp

@@ -38,7 +38,7 @@ static NS_DEFINE_CID(kIMBBCID, NS_IMBB_IID);
 #endif
 
 
-
+const int kMsgDBVersion = 1;
 
 nsDBChangeAnnouncer::nsDBChangeAnnouncer()
 {
@@ -449,6 +449,7 @@ nsresult nsMsgDatabase::InitNewDB()
 		if (dbFolderInfo)
 		{
 			err = dbFolderInfo->AddToNewMDB();
+			dbFolderInfo->SetVersion(GetCurVersion());
 			nsIMdbStore *store = GetStore();
 			// create the unique table for the dbFolderInfo.
 			mdb_err err = store->NewTable(GetEnv(), m_hdrRowScopeToken, 
@@ -1407,6 +1408,11 @@ nsresult nsMsgDatabase::RowCellColumnToUInt32(nsIMdbRow *hdrRow, mdb_token colum
 	*pResult = result;
 }
 
+PRUint32 nsMsgDatabase::GetCurVersion()
+{
+	return kMsgDBVersion;
+}
+
 nsresult nsMsgDatabase::SetSummaryValid(PRBool valid /* = PR_TRUE */)
 {
 	// setting the version to -1 ought to make it pretty invalid.