48 lines
1.2 KiB
Elixir
48 lines
1.2 KiB
Elixir
defmodule Mixer.Repo.Migrations.AddTweetLikes do
|
|
@moduledoc """
|
|
Updates resources based on their most recent snapshots.
|
|
|
|
This file was autogenerated with `mix ash_postgres.generate_migrations`
|
|
"""
|
|
|
|
use Ecto.Migration
|
|
|
|
def up do
|
|
create table(:tweet_likes, primary_key: false) do
|
|
add :id, :uuid, null: false, default: fragment("gen_random_uuid()"), primary_key: true
|
|
|
|
add :tweet_id,
|
|
references(:tweets,
|
|
column: :id,
|
|
name: "tweet_likes_tweet_id_fkey",
|
|
type: :uuid,
|
|
prefix: "public"
|
|
), null: false
|
|
|
|
add :user_id,
|
|
references(:users,
|
|
column: :id,
|
|
name: "tweet_likes_user_id_fkey",
|
|
type: :uuid,
|
|
prefix: "public"
|
|
), null: false
|
|
end
|
|
|
|
create unique_index(:tweet_likes, [:tweet_id, :user_id],
|
|
name: "tweet_likes_unique_user_tweet_index"
|
|
)
|
|
end
|
|
|
|
def down do
|
|
drop_if_exists unique_index(:tweet_likes, [:tweet_id, :user_id],
|
|
name: "tweet_likes_unique_user_tweet_index"
|
|
)
|
|
|
|
drop constraint(:tweet_likes, "tweet_likes_tweet_id_fkey")
|
|
|
|
drop constraint(:tweet_likes, "tweet_likes_user_id_fkey")
|
|
|
|
drop table(:tweet_likes)
|
|
end
|
|
end
|