discourse/db/migrate/20140815191556_fix_post_actions_index_again.rb

# frozen_string_literal: true

class FixPostActionsIndexAgain < ActiveRecord::Migration[4.2]
  def change
    remove_index "post_actions", name: "idx_unique_actions"
    add_index "post_actions",
              %w[user_id post_action_type_id post_id targets_topic],
              name: "idx_unique_actions",
              unique: true,
              where: "deleted_at IS NULL AND disagreed_at IS NULL AND deferred_at IS NULL"
  end
end