schema_default

# File activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb, line 73
        def schema_default(column)
          return unless column.has_default?
          type = @connection.lookup_cast_type_from_column(column)
          default = type.deserialize(column.default)
          if default.nil?
            schema_expression(column)
          else
            type.type_cast_for_schema(default)
          end
        end