sql.DB pools connections, which means that there's a good chance that
our foreign keys aren't actually being enforced, unless a goroutine
happens to be using the connection that was made when we set pragma foreign_keys = 1.
Signed-off-by: Winter winter@winter.cafe
Poke me when this is merged, I have another fix in this vein that I wish I could submit stacked but I can't because I made it as unstacked.