Addded HorizontalProxyModel which is used to effictively rotate a table 90 degrees.

pglab/HorizontalProxyModel.cpp

@@ -0,0 +1,56 @@
+#include "HorizontalProxyModel.h"
+/*
+ * Code borrowed from: https://stackoverflow.com/questions/21653253/how-to-change-orientation-of-qt-tableview
+ */
+
+
+HorizontalProxyModel::HorizontalProxyModel(QObject *parent)
+	: QAbstractProxyModel(parent)
+{
+}
+
+QModelIndex HorizontalProxyModel::mapToSource(const QModelIndex &proxyIndex) const
+{
+	if (sourceModel()) {
+		return sourceModel()->index(proxyIndex.column(), proxyIndex.row());
+	}
+	else {
+		return QModelIndex();
+	}
+}
+
+QModelIndex HorizontalProxyModel::mapFromSource(const QModelIndex &sourceIndex) const
+{
+	return index(sourceIndex.column(), sourceIndex.row());
+}
+
+QModelIndex HorizontalProxyModel::index(int row, int column, const QModelIndex &) const
+{
+	return createIndex(row, column, nullptr);
+}
+
+QModelIndex HorizontalProxyModel::parent(const QModelIndex &) const
+{
+	return QModelIndex();
+}
+
+int HorizontalProxyModel::rowCount(const QModelIndex &) const
+{
+	return sourceModel() ? sourceModel()->columnCount() : 0;
+}
+
+int HorizontalProxyModel::columnCount(const QModelIndex &) const
+{
+  return sourceModel() ? sourceModel()->rowCount() : 0;
+}
+
+QVariant HorizontalProxyModel::headerData(
+		   int section, Qt::Orientation orientation, int role) const
+{
+	if (!sourceModel()) {
+		return QVariant();
+	}
+	Qt::Orientation new_orientation = orientation == Qt::Horizontal ?
+			Qt::Vertical : Qt::Horizontal;
+	return sourceModel()->headerData(section, new_orientation, role);
+}

pglab/HorizontalProxyModel.h

@@ -0,0 +1,18 @@
+#ifndef HORIZONTALPROXYMODEL_H
+#define HORIZONTALPROXYMODEL_H
+
+#include <QAbstractProxyModel>
+
+class HorizontalProxyModel : public QAbstractProxyModel {
+public:
+  HorizontalProxyModel(QObject * parent = nullptr);
+  QModelIndex mapToSource(const QModelIndex &proxyIndex) const;
+  QModelIndex mapFromSource(const QModelIndex &sourceIndex) const;
+  QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
+  QModelIndex parent(const QModelIndex &child) const;
+  int rowCount(const QModelIndex &parent) const;
+  int columnCount(const QModelIndex &parent) const;
+  QVariant headerData(int section, Qt::Orientation orientation, int role) const;
+};
+
+#endif // HORIZONTALPROXYMODEL_H

pglab/pglab.pro

@@ -73,7 +73,8 @@ SOURCES += main.cpp\
     Module.cpp \
     EditorGutter.cpp \
     CodeEditor.cpp \
-    PlgPage.cpp
+    PlgPage.cpp \
+    HorizontalProxyModel.cpp
 
 HEADERS  += \
     QueryResultModel.h \
@@ -119,7 +120,8 @@ HEADERS  += \
     EditorGutter.h \
     CodeEditor.h \
     PlgPage.h \
-    AbstractCommand.h
+    AbstractCommand.h \
+    HorizontalProxyModel.h
 
 FORMS    += mainwindow.ui \
 	ConnectionManagerWindow.ui \