lib/activefacts/generator/rails/schema.rb in activefacts-compositions-1.9.14 vs lib/activefacts/generator/rails/schema.rb in activefacts-compositions-1.9.15

@@ -86,9 +86,14 @@
         end
 
         def generate_composite composite
           ar_table_name = composite.rails.plural_name
 
+          pi = composite.primary_index
+          unless pi
+            warn "Warning: Cannot generate schema for #{composite.mapping.name} because it has no primary key"
+            return nil
+          end
           pk = composite.primary_index.all_index_field.to_a
           if pk[0].component.is_auto_assigned
             identity_column = pk[0].component
             warn "Warning: redundant column(s) after #{identity_column.name} in primary key of #{ar_table_name}" if pk.size > 1
           end