Hi owned, if he sees it as a drinkfest you might be in trouble before you start. Although hard for you, his emotional reaction is good because you may have got through to him about how others see him. Was he shocked? If so he possibly didn't understand how distressing his drunken antics are for you. Hard message, but one you have to stick to.
If he does turn up, do you have a plan in place? Friends who can remove him before the damage is done?