Checks your ActiveRecord models to match data integrity principles and rules. Out of the box it enforces many issues such as the lack of foreign keys.

Monthly Downloads: 5,583
Programming language: Ruby
License: MIT License
Tags: Database Tools     Rails     Ruby     Active Record     Data Integrity    
Latest version: v0.2.1

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Checks your ActiveRecord models to match data integrity principles and rules. Out of the box it detects many issues such as the lack of foreign keys.


group :development do
  gem 'activerecord-data_integrity', require: false


Run data_integrity CLI-tool in your Rails project's folder:

cd ~/amplifr
bundle exec data_integrity

It will load the Rails application, check the data integrity issues and give the similar output:

BelongsTo/ForeignKey: Label belongs_to project but has no foreign key to projects.id
Accordance/TablePresence: Stat::Hourly has no underlying table hourly_stats


Check only specified database rules with --only options:

  bundle exec data_integrity --only HasMany/ForeignKey,BelongsTo/ForeignKey

Check only specified model with the list of the model full with:

  bundle exec data_integrity --only HasMany/ForeignKye Billing::Account User

Supported Issues

For now tool checks the following issues:

  • [x] The lack of database foreign keys for belongs_to/has_many associations (HasMany/ForeignKey and BelongsTo/ForeignKey rule)
  • [x] The lack of not-null constraint for the columns with presence validation (Validation/Presence rule)
  • [x] Inclusion validated colums should have enum data type (Validation/Inclusion rule)

Roadmap (TODO & Help Wanted)

1) Support extra database issues, such as:

  • [ ] presence of dependend option set for association and not confliction with underlying ON DELETE option of foreign key contraint
  • [ ] check for foreign keys to have bigint data type
  • [ ] presence of index for the foreign keys search
  • [ ] checks for paranoia models and indexes exclusion "removed" rows

2) Config for exluding some rules for the specific models (rubocop like)

3) Autofix for the fixing the issue, mostly by generating safe migrations


Bug reports and pull requests are welcome on GitHub at https://github.com/[USERNAME]/activerecord-data_integrity.

Run tests

The easiest way to tests up and running is to use handy dip gem with Docker and Docker Compose:

gem install dip
git checkout [email protected]:dsalahutdinov/activerecord-data_integrity.git
cd activerecord-data_integrity
dip provision
dip rspec

Otherwise (without Docker) set up environment manually:

git checkout [email protected]:dsalahutdinov/activerecord-data_integrity.git
cd activerecord-data_integrity
bundle install
bundle appraisal
DB_HOST=localhost DB_NAME=testdb DB_USERNAME=postgres bundle appraisal rspec


The gem is available as open source under the terms of the MIT License.

*Note that all licence references and agreements mentioned in the ActiveRecord::DataIntegrity README section above are relevant to that project's source code only.