Larger improvements

models/logmodel.cpp

@@ -0,0 +1,14 @@
+#include "logmodel.h"
+
+LogModel::LogModel(QObject *parent) :
+    QSqlQueryModel(parent)
+{
+}
+
+QVariant LogModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    if (orientation == Qt::Vertical)
+        return {};
+
+    return QSqlQueryModel::headerData(section, orientation, role);
+}