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  1. Qt
  2. QTBUG-70310

QSortFilterProxyModel::setSourceModel reverts to empty static model if old model is deleted

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • Icon: Not Evaluated Not Evaluated
    • None
    • 5.11.0
    • Core: Item Models
    • None
    • Windows 

      	auto oldModel = new QStandardItemModel(10, 10);

	auto newModel = new QStandardItemModel(20, 20);

	auto proxy = new QSortFilterProxyModel;
	proxy->setSourceModel(oldModel);

	QCOMPARE(proxy->rowCount(), 10);

	proxy->setSourceModel(newModel);
	QCOMPARE(proxy->rowCount(), 20);
	delete oldModel;
	QCOMPARE(proxy->rowCount(), 20);

      last rowCount returns 0

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            dfaure_kdab David Faure
            ziv x x
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              Created:
              Updated:
              Resolved:

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