demo_app/my_platform/db/migrate/20150930184703_create_post_deliveries.your_platform.rb
# This migration comes from your_platform (originally 20150930184624)
class CreatePostDeliveries < ActiveRecord::Migration[4.2]
def change
create_table :post_deliveries do |t|
t.integer :post_id
t.integer :user_id
t.string :user_email
t.datetime :sent_at
t.datetime :failed_at
t.string :comment
t.timestamps null: false
end
end
end