mirror of
https://github.com/discourse/discourse.git
synced 2024-12-21 11:13:44 +08:00
9 lines
236 B
Ruby
9 lines
236 B
Ruby
# frozen_string_literal: true
|
|
|
|
class CreateTopicUserIndex < ActiveRecord::Migration[4.2]
|
|
def change
|
|
# seems to be the most effective for joining into topics
|
|
add_index :topic_users, %i[user_id topic_id], unique: true
|
|
end
|
|
end
|