got our stuff together

db_engine.cpp

@@ -1,13 +1,49 @@
 #include "db_engine.h"
 
+using namespace std;
+
 db_engine::db_engine(){
 	//
 }
 
 //create a new table in memory
 //creates a vector 
-void db_engine::createCmd(){
-	//
+void db_engine::createCmd(string tableName, vector<string> attributes, vector<string> pkeys){
+	string output = "";
+	output += "CREATE TABLE " + tableName + " (";
+	
+	vector<string>::iterator it = attributes.begin();
+	while (it != attributes.end()){
+		if (it == attributes.begin())
+			if ((it + 1) != attributes.end())
+				output += *it + ",";
+			else
+				output += *it;
+		else
+			output+= " " + *it;
+		
+		++it;
+	}
+	
+	output += ") PRIMARY KEY (";
+	
+	vector<string>::iterator it2 = pkeys.begin();
+	while (it2 != pkeys.end()){
+		if (it2 == pkeys.begin())
+			if ((it2 + 1) != pkeys.end())
+				output += *it2 + ",";
+			else
+				output += *it2;
+		else
+			output+= " " + *it2;
+		
+		++it2;
+	}
+	
+	output += ");";
+	
+	cout << output;
+	//cmdList.push_back(output);
 }
 	
 //open a txt file, parse SQL script, load data in table
@@ -17,10 +53,10 @@ void db_engine::createCmd(){
 
 //should write cmdList to a .txt file
 void db_engine::saveCmd(){
-	std::ofstream dbCmdFile;
-	dbCmdFile.open("dbCmds.txt", std::ios_base::app);
+	ofstream dbCmdFile;
+	dbCmdFile.open("dbCmds.txt", ios_base::app);
 	
-	std::vector<std::string>::iterator it = cmdList.begin();
+	vector<string>::iterator it = cmdList.begin();
 	while (it != cmdList.end()){
 		dbCmdFile << *it << "\n";
 		++it;
@@ -30,13 +66,13 @@ void db_engine::saveCmd(){
 }
 
 //display the table currently stored in memory
-void db_engine::showCmd(){
-	//
+void db_engine::showCmd(string tableName){
+	cmdList.push_back("CREATE TABLE " + tableName + "");
 }
 
 //add a tuple to a table in the memory
 void db_engine::insertQuery(){
-	//
+	//table.push_back();
 }
 
 //remove a tuple from a table in the memory

db_engine.h

@@ -2,15 +2,18 @@
 #include <iostream>
 #include <vector>
 
+using namespace std;
+
 class db_engine {
-	std::vector<std::string> cmdList;
+	vector<string> cmdList;
+	//vector<vector<string>> table;
 
 public:
 	db_engine();
-	void createCmd();
+	void createCmd(string tableName, vector<string> attributes, vector<string> pkeys);
 	//void openCmd();
 	void saveCmd();
-	void showCmd();
+	void showCmd(string tableName);
 	void insertQuery();
 	void deleteQuery();
 	void selectQuery();

test.cpp

@@ -1,8 +1,15 @@
 #include <iostream>
 #include "db_engine.h"
 
+using namespace std;
+
 int main() {
 	db_engine engine;
-	engine.saveCmd();
-	std::cout << "succesfully traversed the code!";
+	
+	vector<string> attributes;
+	vector<string> pkeys;
+	attributes.push_back("username VARCHAR(20)");
+	attributes.push_back("password VARCHAR(20)");
+	pkeys.push_back("password");
+	engine.createCmd("users", attributes, pkeys);
 }