Hi, just wanted to say a big thank you for solving this.

It now takes 0 seconds to display 30,000 rows in the TableView, by subclassing an AbstractTableModel.
I am now starting to understand the power of a MVC design!

I never thought it would work but wow, its fast.

Below is some code in case it helps someone to do the same:

Qt Code: 
  1. int ResultsModel::rowCount(const QModelIndex &parent) const
  2. {
  3.   filteredResults.size();
  4. }
  5.  
  6.  
  7.  
  8. int ResultsModel::columnCount(const QModelIndex &parent) const
  9. {
  10.     return 13;
  11. }
  12.  
  13.  
  14.  
  15.  
  16. QVariant ResultsModel::data(const QModelIndex &index, int role) const
  17. {
  18.  
  19.   QVariant data;
  20.  
  21.   if (!index.isValid()) {
  22.     return QVariant();
  23.   }
  24.  
  25.   if (index.row() >=  filteredResults.size()) {
  26.     return QVariant();
  27.   }
  28.  
  29.   if (index.column() >= 13) {
  30.     return QVariant();
  31.   }
  32.  
  33.   if (role == Qt::DisplayRole) {
  34.     int db = mainBoard->filteredResults[index.row()]->dbIndex;
  35.     int game = mainBoard->filteredResults[index.row()]->gameIndex;
  36.     boost::shared_ptr<Game> gamePtr = mainWindow_->dbManager_->databases[db]->database->Games[game];
  37.  
  38.     switch (index.column()) {
  39.       case 0 : {
  40.         data = (mainWindow_->dbManager_->databases[db]->name).c_str();
  41.         return data;
  42.       }
  43.       case 1 : {
  44.         data = (gamePtr->getPlayerW()).c_str();
  45.         return data;
  46.         break;
  47.       }
  48.       case 2 : {
  49.         data = (gamePtr->getPlayerB()).c_str();
  50.         return data;
  51.         break;
  52.       }
  53.  
  54.      // ETC ETC
  55.  
  56.     }
  57.   }
  58. // else
  59.   return QVariant();
  60. }
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