defmodule Mobilizon.Storage.Repo.Migrations.AddTagsToComments do use Ecto.Migration def up do create table(:comments_tags, primary_key: false) do add(:comment_id, references(:comments, on_delete: :delete_all), primary_key: true) add(:tag_id, references(:tags, on_delete: :nilify_all), primary_key: true) end end def down do drop(table(:comments_tags)) end end