db/migrate/20180115201419_add_index_updated_at_to_issues.rb


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class AddIndexUpdatedAtToIssues < ActiveRecord::Migration
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  disable_ddl_transaction!

  def up
    add_concurrent_index :issues, :updated_at
  end

  def down
    remove_concurrent_index :issues, :updated_at
  end
end