ActiveRecordAssociationQueryEconomizer
Enables to define preloading conditions in the arguments of has_one
/ has_many
.
Condition is defined as an array of symbolized method name or Proc object.
Installation
Add this line to your application's Gemfile:
gem 'active_record_association_query_economizer'
And then execute:
$ bundle
Or install it yourself as:
$ gem install active_record_association_query_economizer
Usage
class SampleObject < ActiveRecord::Base
has_many :sample_associations, preload_if: [:one_condition?, :another_condition?]
def one_condition?
true
end
def another_condition?
false
end
end
(Proc)
class SampleObject < ActiveRecord::Base
has_many :sample_associations, preload_if: -> (record) {
true
}
end
Contributing
Bug reports and pull requests are welcome on GitHub at https://github.com/negito6/active_record_association_query_economizer. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.
Development
After checking out the repo, run bin/setup
to install dependencies. Then, run rake test
to run the tests. You can also run bin/console
for an interactive prompt that will allow you to experiment.
Install develop version
cd /path/to/dir
git clone git@github.com/negito6/active_record_association_query_economizer.git
cd active_record_association_query_economizer
rake build
gem install pkg/active_record_association_query_economizer-X.Y.Z.gem
Testing
$ rake test:all
Run test for ActiveRecord version X.Y.Z
$ rake test:activerecord-X.Y.Z
License
The gem is available as open source under the terms of the MIT License.