I have looked through many SO and google posts for generating migration of join table for has many and belongs to many association and nothing work.

All of the solutions are generating a empty migration file.

I am using rails 3.2.13 and I have two tables: security_users and assignments. These are some of things I have try:

rails generate migration assignments_security_users

rails generate migration create_assignments_security_users

rails generate migration create_assignments_security_users_join_table

rails g migration create_join_table :products, :categories (following the official documentation)

rails generate migration security_users_assignments security_user:belongs_to assignments:belongs_to

Can anyone tell how to create a join table migration between two tables?

ruby-on-rails ruby-on-rails-3 ruby-on-rails-4 migration join
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