Method: ActiveRecord::InternalMetadata#count

Defined in:
activerecord/lib/active_record/internal_metadata.rb

#count ⇒ Object 



65
66
67
68
69
70
71
72
 
# File 'activerecord/lib/active_record/internal_metadata.rb', line 65

def count
  sm = Arel::SelectManager.new(arel_table)
  sm.project(*Arel::Nodes::Count.new([Arel.star]))

  @pool.with_connection do |connection|
    connection.select_values(sm, "#{self.class} Count").first
  end
end