# File lib/big_record/model.rb, line 837 def columns_hash unless @all_columns_hash # add default hbase columns @all_columns_hash = if self == base_class if @columns_hash default_columns.merge(@columns_hash) else @columns_hash = default_columns end else if @columns_hash superclass.columns_hash.merge(@columns_hash) else superclass.columns_hash end end end @all_columns_hash end