Module: Pluckers::Features::Pluck

Includes:
Base::Pluck
Included in:
Base
Defined in:
lib/pluckers/features/active_record_3_2/pluck.rb,
lib/pluckers/features/active_record_4_0/pluck.rb,
lib/pluckers/features/active_record_4_1/pluck.rb,
lib/pluckers/features/active_record_4_2/pluck.rb,
lib/pluckers/features/active_record_5_0/pluck.rb,
lib/pluckers/features/active_record_5_1/pluck.rb

Instance Method Summary collapse

Instance Method Details

#all_method ⇒ Object 



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# File 'lib/pluckers/features/active_record_3_2/pluck.rb', line 21

def all_method
  :scoped
end

#pluck_records(*fields_to_pluck) ⇒ Object

In ActiveRecord 3.2 pluck only accepts one column. We have to go around it and not actually use the pluck method.

Idea based on meltingice.net/2013/06/11/pluck-multiple-columns-rails/



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# File 'lib/pluckers/features/active_record_3_2/pluck.rb', line 10

def pluck_records(*fields_to_pluck)
  records_clone = @records.clone
  records_clone.select_values = fields_to_pluck
  @records.connection.select_all(records_clone.arel).map do |attributes|
    initialized_attributes = @records.klass.initialize_attributes(attributes)
    attributes.each do |key, attribute|
      attributes[key] = @records.klass.type_cast_attribute(key, initialized_attributes)
    end
  end
end