Module: Kaminari::ActiveRecordRelationMethods::InstanceMethods

Defined in:
lib/kaminari/models/active_record_relation_methods.rb

Instance Method Summary collapse

Instance Method Details

#count(column_name = nil, options = {}) ⇒ Object

:nodoc:



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# File 'lib/kaminari/models/active_record_relation_methods.rb', line 8

def count #:nodoc:
  limit_value ? length : super
end

#size ⇒ Object 



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# File 'lib/kaminari/models/active_record_relation_methods.rb', line 25

def size
  [[0,(total_count - (current_page - 1) * limit_value)].max, limit_value].min
end

#total_count ⇒ Object

:nodoc:



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# File 'lib/kaminari/models/active_record_relation_methods.rb', line 13

def total_count #:nodoc:
  # #count overrides the #select which could include generated columns referenced in #order, so skip #order here, where it's irrelevant to the result anyway
  c = except(:offset, :limit, :order)
  # a workaround for 3.1.beta1 bug. see: https://github.com/rails/rails/issues/406
  c = c.reorder nil
  # Remove includes only if they are irrelevant
  c = c.except(:includes) unless references_eager_loaded_tables?
  # .group returns an OrderdHash that responds to #count
  c = c.count(nil, {:dont_use_kaminari => true})
  c.respond_to?(:count) ? c.count : c
end