dmspine64backup/test.cpp

#include <iostream>
#include <vector>
#include "Parserv3.h"
//#include "Condition.h"
#include "DBEngine.h"

using namespace std;

//still in progress
/*
int main() {
	DBEngine engine;
	Attribute att1("Breakfast", "VARCHAR(20)", true);
	Attribute att2("Lunch", "VARCHAR(20)", false);
	Attribute att3("Dinner", "VARCHAR(20)", false);
	
	att1.addCell("Pancakes");
	att1.addCell("Waffles");
	att1.addCell("Biscuits");
	att2.addCell("Turkey Sandwich");
	att2.addCell("Caesar Salad");
	att2.addCell("Pizza");
	att3.addCell("Steak");
	att3.addCell("Shrimp");
	att3.addCell("Ribs");
	
	vector<Attribute> v;
	v.push_back(att1);
	v.push_back(att2);
	v.push_back(att3);
	
	Relation r("Food", v);
	//r.renameAttribute("Breakfast", "BFST");
	//r.display();
	
	engine.createTable("Food", v);
	
	vector<string> tuple;
	tuple.push_back("Omelette");
	tuple.push_back("Fried Rice");
	tuple.push_back("Grouper");
	
	engine.getTableFromName("Food").insertTuple(tuple);
	
	vector<string> old;
	vector<string> newa;
	
	old.push_back("Breakfast");
	old.push_back("Lunch");
	old.push_back("Dinner");
	
	newa.push_back("Tsafkaerb");
	newa.push_back("Hcnul");
	newa.push_back("Rennid");
	
	//Projection test
	vector<string> projectTest;
	projectTest.push_back("Breakfast");
	projectTest.push_back("Dinner");
	
	cout << "\n***Initiated Projection***\n" << endl;
	
	Relation sub_r = engine.projection(projectTest, r);
	sub_r.display();
	
	//engine.rename(r, o, n);

	engine.rename(engine.getTableFromName("Food"), old, newa);
	engine.getTableFromName("Food").display();
	cout << "finished";
}

*/
int main () {
/*
	string ss = "INSERT INTO animals VALUES FROM  ( Joe , cat , 4 ) ;";
	string ss2 = "SHOW Dogs ;";
	string ss3 = "EXIT ; ";
	*/
	DBEngine engine;
	
	// vector<string> listOfTokens = tokenize(ss);
	// vector<string> listOfTokens2 = tokenize(ss2);
	// vector<string> listOfTokens3 = tokenize(ss3);
	
	// par_line(listOfTokens);
	// par_line(listOfTokens2);
	// par_line(listOfTokens3);
	
	// parse(ss, engine);
	// parse(ss2, engine);
	// parse(ss3, engine);
	
	// engine.save();
	
	Attribute att1("Breakfast", "VARCHAR(20)", true);
	Attribute att2("Lunch", "VARCHAR(20)", false);
	Attribute att3("Dinner", "VARCHAR(20)", false);
	
	att1.addCell("Pancakes");
	att1.addCell("Waffles");
	att1.addCell("Biscuits");
	att2.addCell("Turkey Sandwich");
	att2.addCell("Caesar Salad");
	att2.addCell("Pizza");
	att3.addCell("Steak");
	att3.addCell("Shrimp");
	att3.addCell("Ribs");
	
	vector<Attribute> v;
	v.push_back(att1);
	v.push_back(att2);
	v.push_back(att3);
	
	engine.createTable("Food", v);

	Attribute att4("Breakfast", "VARCHAR(20)", true);
	Attribute att5("Lunch", "VARCHAR(20)", false);
	Attribute att6("Dinner", "VARCHAR(20)", false);
	
	att4.addCell("Pancakes");
	att4.addCell("Bacon");
	att4.addCell("Eggs");
	att5.addCell("Turkey Sandwich");
	att5.addCell("Pasta Salad");
	att5.addCell("Taco");
	att6.addCell("Steak");
	att6.addCell("Fajitas");
	att6.addCell("Spaghetti");
	
	vector<Attribute> v2;
	v2.push_back(att4);
	v2.push_back(att5);
	v2.push_back(att6);
	
	engine.createTable("MoarFood", v2);
	
	engine.getTableFromName("Food").display();
	engine.getTableFromName("MoarFood").display();

	//engine.setUnion(engine.getTableFromName("Food"), engine.getTableFromName("MoarFood")).display();
	
	string x;
	cout << "Enter DBMS Commands: ";
	while(getline(cin, x))
	{
		//cout << x << endl;
		parse(x, engine);
		cout << "Enter DBMS Commands: ";
	}
}