lib/tasks/statesman.rake in statesman-1.3.0 vs lib/tasks/statesman.rake in statesman-1.3.1

@@ -13,10 +13,10 @@
     done_models = 0
     batch_size = 500
 
     parent_class.find_in_batches(batch_size: batch_size) do |models|
       ActiveRecord::Base.transaction do
-        if transition_class.columns_hash['most_recent'].null == false
+        if Statesman::Adapters::ActiveRecord.database_supports_partial_indexes?
           # Set all transitions' most_recent to FALSE
           transition_class.where(parent_fk => models.map(&:id)).
             update_all(most_recent: false)
         else
           transition_class.where(parent_fk => models.map(&:id)).