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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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Details

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

    Description

      	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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              Dates

                Created:
                Updated:
                Resolved:

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