PostgreSQL manger class
example
#include "dbConnection.h"
...
QStandardItemModel *model;
db.execQuery("SELECT name, surname FROM user", false, &model);
if(model){
QString name, surname;
for(int i=0; i<model->rowCount(); i++ ){
name = db.getFieldStr("name", model, i);
surname = db.getFieldStr("surname", model, i);
...
}
delete model; // very important!
}