discourse/db/migrate/20140828172407_create_permalinks.rb

class CreatePermalinks < ActiveRecord::Migration
  def change
    create_table :permalinks do |t|
      t.string :url, null: false
      t.integer :topic_id
      t.integer :post_id
      t.integer :category_id

      t.timestamps null: false
    end

    add_index :permalinks, :url
  end
end
FEATURE: add a way to map arbitrary urls to a topic, post, or category. Useful for sites that have migrated to Discourse and want to redirect from their old site to Discourse with 301 redirects. 2014-08-29 03:09:36 +08:00			`class CreatePermalinks < ActiveRecord::Migration`
			`def change`
			`create_table :permalinks do \|t\|`
			`t.string :url, null: false`
			`t.integer :topic_id`
			`t.integer :post_id`
			`t.integer :category_id`

Remove Rails 5 deprecation warning. 2017-08-07 23:48:36 +08:00			`t.timestamps null: false`
FEATURE: add a way to map arbitrary urls to a topic, post, or category. Useful for sites that have migrated to Discourse and want to redirect from their old site to Discourse with 301 redirects. 2014-08-29 03:09:36 +08:00			`end`

			`add_index :permalinks, :url`
			`end`
			`end`