20171206221519_add_permanent_index_to_redirect_route.rb 561 Bytes
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# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.

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class AddPermanentIndexToRedirectRoute < ActiveRecord::Migration[4.2]
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  include Gitlab::Database::MigrationHelpers

  # Set this constant to true if this migration requires downtime.
  DOWNTIME = false

  disable_ddl_transaction!

  def up
    add_concurrent_index(:redirect_routes, :permanent)
  end

  def down
    remove_concurrent_index(:redirect_routes, :permanent) if index_exists?(:redirect_routes, :permanent)
  end
end