ActiveRecordAssociationQueryEconomizer

Enables to define preloading conditions in the arguments of 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/[USERNAME]/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.

License

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