initial commit

mysql_python/mysql_connect.py

@@ -0,0 +1,34 @@
+import mysql.connector
+import getpass
+
+HOST="localhost"
+DATABASE="Fabryka_Sprzetu_IT"
+SQL=("SELECT * FROM Produkt;")
+
+
+print("Welcome to MySQL connector. \nYou are trying to connect to host: " + HOST + "\nType your credentials to connect:")
+
+while(True):
+    print("User: ", end='')
+    user=input()
+    password=getpass.getpass()
+    print()
+    try:
+        sqlDatabase = mysql.connector.connect(host=HOST, user=user, passwd=password, database=DATABASE)
+        break
+    except mysql.connector.Error as e:
+        print(e)
+        if e.errno!=1045:
+            exit()
+        else:
+            print("Try again.\n")
+            
+
+curs=sqlDatabase.cursor()
+print(SQL)
+curs.execute(SQL)
+res=curs.fetchall()
+
+for r in res:
+    print(r)
+

postres_cpp/posgres_connector.cpp

@@ -0,0 +1,57 @@
+#include <iostream>
+#include <iomanip>
+#include <pqxx/pqxx> 
+#include <sstream>
+#include <string>
+
+#define HOST "127.0.0.1"
+#define DATABASE "fabryka_sprzetu_it"
+#define SQL "SELECT * FROM PC;"
+
+#define COL_W 15 //if some table contetnts have too much characters/numbers in it, change this value.
+
+using namespace std;
+using namespace pqxx;
+
+int main() {
+    //welcome message & prompt
+    cout << "Welcome to MySQL connector. \nYou are trying to connect to host: " << HOST << "\nType your credentials to connect:\n";
+    string username, password;
+    cout << "User: ";
+    cin >> username;
+    cout << "Password: ";
+    cin >> password;
+
+    //prases the text to match the connection typedef input arg
+    stringstream stream;
+    stream << "dbname = " << DATABASE << " user = " << username << " password = " << password << " \
+        hostaddr = " << HOST << " port = 5432";
+    
+    try {
+        connection C(stream.str());
+        if (!C.is_open()) return 1; //closes the program if there's an issue with connection
+        
+        nontransaction N(C);
+        result R(N.exec(SQL));
+
+        //print result of last used query
+        cout << SQL << endl;
+
+        //print column names
+        for(int i=0; i<(int)R[0].size(); i++)
+            cout << right << setw(COL_W) << R.column_name(i);
+        cout << endl;
+        //print table contents
+        for (result::const_iterator r = R.begin(); r!=R.end(); r++){
+            for(int i=0; i<(int)R[0].size(); i++)
+                cout << right << setw(COL_W) << r[i].as<string>();
+            cout << endl;    
+        }
+
+        //end connection
+        C.disconnect();
+    } catch (const exception &e) {
+        cerr << e.what() << std::endl;
+        return 1;
+    }
+}