Saving data to file only in Database::sync()

src/db.cpp

@@ -265,11 +265,17 @@ Database::Database(const std::string& file)
 		//infostream<<"WARNING: Database failed to open: "<<sqlite3_errmsg(m_database)<<std::endl;
 		throw FileNotGoodException("Cannot create/open database file");
 	}
+
+	//begin first transaction
+	begin();
 }
 
 Database::~Database()
 {
 	tables.clear(); //finalize all queries to tables
+	
+	commit(); //commit changes
+
 	if(m_database)
 		sqlite3_close(m_database);
 }

src/db.h

@@ -344,16 +344,11 @@ public:
 	//if old_names=true, then primary key will have name 'pos' instead of 'id'
 	ITable& getTable(const std::string& name, bool old_names = false);
 
-	//begins a transaction
-	void begin()
+	//commits all changes to database and begins a new transaction
+	void sync()
 	{
-		sqlite3_exec(m_database,"BEGIN;", NULL, NULL, NULL);
-	}
-
-	//commits a transaction
-	void commit()
-	{
-		sqlite3_exec(m_database,"COMMIT;", NULL, NULL, NULL);
+		commit();
+		begin();
 	}
 
 	//returns true if database was created from scratch (i.e. no database file existed before)
@@ -366,6 +361,18 @@ private:
 	sqlite3* m_database;
 	std::map<std::string,SharedPtr<ITable> > tables;
 	bool m_is_new;
+
+	//commits a transaction
+	void commit()
+	{
+		sqlite3_exec(m_database,"COMMIT;", NULL, NULL, NULL);
+	}
+
+	//begins a transaction
+	void begin()
+	{
+		sqlite3_exec(m_database,"BEGIN;", NULL, NULL, NULL);
+	}
 };
 
 

src/map.cpp

@@ -2813,11 +2813,13 @@ bool ServerMap::loadSectorMeta(v2s16 p2d)
 
 
 void ServerMap::beginSave() {
-	m_database->begin();
+	//m_database->begin();
+	//m_database->sync();
 }
 
 void ServerMap::endSave() {
-	m_database->commit();
+	//m_database->commit();
+	m_database->sync();
 }
 
 void ServerMap::saveBlock(MapBlock *block)