prepare_column_options

# File activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb, line 24
      def prepare_column_options(column)
        spec = {}

        if limit = schema_limit(column)
          spec[:limit] = limit
        end

        if precision = schema_precision(column)
          spec[:precision] = precision
        end

        if scale = schema_scale(column)
          spec[:scale] = scale
        end

        default = schema_default(column) if column.has_default?
        spec[:default] = default unless default.nil?

        spec[:null] = "false" unless column.null

        if collation = schema_collation(column)
          spec[:collation] = collation
        end

        spec[:comment] = column.comment.inspect if column.comment.present?

        spec
      end