[Interest] Customzie Qtablemodel and selectionmodel.

[Jonathan Purol]

> How can I solve this issue efficiently?
> Or is there another way to load a list with hundreds of thousands of
> records instantly?
Take a look at https://doc.qt.io/qt-5/qabstractitemmodel.html#fetchMore
and https://doc.qt.io/qt-5/qabstractitemmodel.html#canFetchMore. They
let you load items lazily into a view.

Best Regards,
Jonathan Purol