canvas-lms/db/migrate/20181107153006_add_unread_c...

14 lines
381 B
Ruby

# frozen_string_literal: true
class AddUnreadContentPartitipationsIndex < ActiveRecord::Migration[5.1]
tag :postdeploy
disable_ddl_transaction!
def change
add_index :content_participations, :user_id,
name: "index_content_participations_on_user_id_unread",
where: "workflow_state = 'unread'",
algorithm: :concurrently
end
end