Changed SAVE command functionality

DBEngine.cpp

@@ -51,6 +51,19 @@ void DBEngine::save(){
 	
 	file.close();
 }
+
+void DBEngine::save(string n){
+	
+	ofstream file;
+	string name = n + ".txt";
+	file.open(name);
+	
+	for(int i = 0; i < commands.size(); ++i){
+		file << commands[i] << endl;
+	}
+	
+	file.close();
+}
 	
 vector<Relation> DBEngine::getRelations(){ 
 	return tables; 

DBEngine.h

@@ -23,8 +23,9 @@ public:
 	Relation selection(string attName, string s, Relation r);
 	Relation projection(vector<string> input, Relation r);
 	Relation product(string s1, Relation r1, Relation r2);
-	void rename(Relation& r, vector<string> oldnames, vector<string> newnames);
+	void rename(Relation& r, vector<string> oldnames, vector<string> newnames);
 	void save();
+	void save(string n);
 	void storeCommands(string s);
 	Relation setUnion(Relation r1, Relation r2);
 	//void setDiff();

Parserv4.cpp

@@ -66,8 +66,8 @@ vector<string> saveCMD(vector<string> input, DBEngine &engine)
 	//PRelation pr(input[0]);
 	
 	// send save command to DBEngine
-	//engine.save();
+	engine.save(input[0]);
-	
+	/*
 	Relation r = engine.getTableFromName(input[0]);
 	ofstream output;
 	string name = r.getTableName() + ".txt";
@@ -96,7 +96,7 @@ vector<string> saveCMD(vector<string> input, DBEngine &engine)
 		output << "-------------\n";
 	}
 	output << "\n--------------------------";
-	
+	*/
 	input.erase(input.begin());
 	
 	return input;