gistfile1.txt

[209, 218] in /Users/jack/.rvm/gems/ruby-1.9.2-p136/bundler/gems/rails-a00bed0c48f4/activerecord/lib/active_record/relation/calculations.rb
   209        if operation == "count"
   210          limit  = relation.limit_value
   211          offset = relation.offset_value
   212  
   213          debugger
=> 214          unless limit && offset
   215            query_builder.limit  = nil
   216            query_builder.offset = nil
   217          end
   218        end


(rdb:1) p limit
nil
(rdb:1) p offset
nil
(rdb:1) p query_builder
#<Arel::SelectManager:0x00000103d193f0 @engine=ActiveRecord::Base, @visitor=#<Arel::Visitors::PostgreSQL:0x0000010997cbb0 @eng
<snip>

(rdb:1) p query_builder.limit
nil
(rdb:1) p query_builder.limit = nil
NoMethodError Exception: undefined method `limit=' for #<Arel::SelectManager:0x00000103d193f0>
(rdb:1) p query_builder.offset = nil
NoMethodError Exception: undefined method `offset=' for #<Arel::SelectManager:0x00000103d193f0>


module Arel
  class SelectManager < Arel::TreeManager

    def offset=(value)
      @ast.offset = value
    end

    def limit=(value)
      @ast.limit = value
    end