20091017214750_add_missing_indexes_to_custom_fields_trackers.rb 280 Bytes Edit 1 2 3 4 5 6 7 8 9 class AddMissingIndexesToCustomFieldsTrackers < ActiveRecord::Migration[4.2] def self.up add_index :custom_fields_trackers, [:custom_field_id, :tracker_id] end def self.down remove_index :custom_fields_trackers, :column => [:custom_field_id, :tracker_id] end end