new

# File activerecord/lib/active_record/associations.rb, line 1845
          def initialize(base, associations, joins)
            @joins                 = [JoinBase.new(base, joins)]
            @associations          = associations
            @reflections           = []
            @base_records_hash     = {}
            @base_records_in_order = []
            @table_aliases         = Hash.new { |aliases, table| aliases[table] = 0 }
            @table_aliases[base.table_name] = 1
            build(associations)
          end