drivers added/updated comment

drivers/common/src/orm/drivers/sqlquery.cpp

@@ -438,7 +438,7 @@ void SqlQuery::clear()
     // Ownership of a weak_ptr()
     const auto driver = driverWeakInternal();
 
-    // Get the SqlResult instance
+                     // Get a new empty SqlResult instance
     *this = SqlQuery(driver.lock()->createResult(driver));
 }
 

drivers/mysql/src/orm/drivers/mysql/mysqldriver.cpp

@@ -204,7 +204,11 @@ MySqlDriver::createResult(const std::weak_ptr<SqlDriver> &driver) const
         /* We need to upcast here, there is no other way, it also has to be
            std::weak_ptr(), it can't be done better. This upcast is kind of check,
            we can't pass down the SqlDriver to the MySqlResult.
-           Even if it would be the shared_ptr<SqlDriver> we had to upcast the same way. */
+           Even if it would be the shared_ptr<SqlDriver> we had to upcast the same way.
+           Revisited, also, all driver data members like host, port, username, ..., and
+           also connectionName will be still the same, it only creates an empty result
+           set. I'm noting this because of SqlQuery::clear() as it was confusing that
+           all these data members stay unchanged, but it's correct. */
         return std::make_unique<MySqlResult>(
                     std::dynamic_pointer_cast<MySqlDriver>(driverShared));