diff -r 0f0344e1ba61 -r ff4a1c07a481 src/RelpipeChartMainWindow.h
--- a/src/RelpipeChartMainWindow.h	Mon Oct 08 14:08:21 2018 +0200
+++ b/src/RelpipeChartMainWindow.h	Tue Oct 09 23:02:11 2018 +0200
@@ -10,6 +10,8 @@
 #include <relpipe/reader/handlers/RelationalReaderStringHandler.h>
 #include <relpipe/reader/handlers/AttributeMetadata.h>
 
+#include "RelpipeTableModel.h"
+
 using namespace relpipe::reader;
 using namespace relpipe::reader::handlers;
 
@@ -26,7 +28,6 @@
 private:
 	Ui::RelpipeChartMainWindow widget;
 	QTabWidget* tabs = new QTabWidget(this);
-	QTableWidget* currentTable;
+	RelpipeTableModel* currentModel;
 	QLabel* status = new QLabel();
-	integer_t attributeCounter;
 };