column_options

# File activerecord/lib/active_record/connection_adapters/abstract_adapter.rb, line 148
        def column_options(o)
          column_options = {}
          column_options[:null] = o.null unless o.null.nil?
          column_options[:default] = o.default unless o.default.nil?
          column_options[:column] = o
          column_options
        end