20120307152347_create_entities.rb revision 3005ac92eb4a1fffe8e3bf2a2ea572b3ac67c46c
71d3a6590fe665421d7a0026d699b0654ddfc7f6Stéphane Graberclass CreateEntities < ActiveRecord::Migration
71d3a6590fe665421d7a0026d699b0654ddfc7f6Stéphane Graber t.index [:ontology_id, :id], :unique => true