How do I retroactively add a primary key to my table in rails?

Question

I\'ve created a table without a primary key (:id => false), but now it has come back to bite my ass.

My app is already in production and I can\'t just drop it and recre

Answer 1

Was this a join table that now needs to become a real model with a primary key? If so, your best bet is to create the new table and copy the data into it.