Difference between QConcatenateTablesProxyModel and KConcatenateRowsProxyModel

Fusion Future qydwhotmail at gmail.com
Sun Nov 14 16:12:03 GMT 2021

Recently I notice that since this commit
plasmashell will crash at start, and the backtrace indicates that
QConcatenateTablesProxyModel is incompatible with LauncherTasksModel.

The backtrace can be seen from https://bugs.kde.org/show_bug.cgi?id=445479

I would like to know the difference between
QConcatenateTablesProxyModel and KConcatenateRowsProxyModel, because
simply replacing KConcatenateRowsProxyModel with
QConcatenateTablesProxyModel seems problematic.

Thanks in advance.

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