# frozen_string_literal: true

class CleanupUserHighestRolesPopulation < ActiveRecord::Migration[6.0]
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false
  INDEX_NAME = 'index_for_migrating_user_highest_roles_table'

  disable_ddl_transaction!

  def up
    Gitlab::BackgroundMigration.steal('PopulateUserHighestRolesTable')

    remove_concurrent_index(:users, :id, name: INDEX_NAME)
  end

  def down
    add_concurrent_index(:users,
                         :id,
                         where: "state = 'active' AND user_type IS NULL AND bot_type IS NULL AND ghost IS NOT TRUE",
                         name: INDEX_NAME)
  end
end