separed QSqlQuery for different windows

argento/EditWindow.cpp

@@ -15,6 +15,9 @@ EditWindow::EditWindow(int idSocio, QWidget* parent) : QMainWindow(parent), ui(n
     comboFonte = this->findChild<QComboBox*>("comboFonte");
     checkAbilitaQuestionario = this->findChild<QCheckBox*>("checkAbilitaQuestionario");
 
+    /* connect query with common database */
+    query = QSqlQuery(db);
+
     /* retrieve professione and fonte from database */
     query.prepare("SELECT id, professione FROM professione ORDER BY professione");
     query.exec();

argento/EditWindow.h

@@ -40,6 +40,8 @@ private:
     QComboBox* comboFonte = nullptr;
     QCheckBox* checkAbilitaQuestionario = nullptr;
 
+    QSqlQuery query;
+
     Ui::EditWindow *ui;
 };
 

argento/MainWindow.h

@@ -31,6 +31,7 @@ private slots:
 
 private:
     SociModel* sociModel = nullptr;
+    QSqlQuery query;
 
     QLineEdit* lineNome = nullptr;
     QLineEdit* lineCognome = nullptr;

argento/db.cpp

@@ -1,4 +1,3 @@
 #include "db.h"
 
 QSqlDatabase db;
-QSqlQuery query;