Automatically create indexes for references/belongs_to statements in migrations.

1 files changed, 2 insertions, 1 deletions

diff --git a/activerecord/lib/rails/generators/active_record/model/model_generator.rb b/activerecord/lib/rails/generators/active_record/model/model_generator.rb
index f3bb70fb41..8e6ef20285 100644
--- a/activerecord/lib/rails/generators/active_record/model/model_generator.rb
+++ b/activerecord/lib/rails/generators/active_record/model/model_generator.rb
@@ -14,6 +14,7 @@ module ActiveRecord
 
       def create_migration_file
         return unless options[:migration] && options[:parent].nil?
+        attributes.each { |a| a.attr_options.delete(:index) if a.reference? && !a.has_index? } if options[:indexes] == false
         migration_template "migration.rb", "db/migrate/create_#{table_name}.rb"
       end
 
@@ -27,7 +28,7 @@ module ActiveRecord
       end
 
       def attributes_with_index
-        attributes.select { |a| a.has_index? || (a.reference? && options[:indexes]) }
+        attributes.select { |a| !a.reference? && a.has_index? }
       end
 
       def accessible_attributes