Comment 3 for bug 1160525

This is a problem for people who are updating.

The old headerstate that doesn't know anything about the new column is saved in the database. Updating that string directly is hardly possible since it is encoding in a way I don't know. Scanning the qt documents I haven't found a way to access and manipulate the headerstate without constructing a Qtableview. We could add a message like the one for reanalysing the beatgrids