discourse/db/migrate/20210131221311_create_dismissed_topic_users_table.rb

# frozen_string_literal: true

class CreateDismissedTopicUsersTable < ActiveRecord::Migration[6.0]
  def change
    create_table :dismissed_topic_users do |t|
      t.integer :user_id
      t.integer :topic_id
      t.datetime :created_at
    end
    add_index :dismissed_topic_users, %i(user_id topic_id), unique: true
  end
end