quote_default_expression

# File activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb, line 58
        def quote_default_expression(value, column) # :nodoc:
          if value.is_a?(Proc)
            value.call
          elsif column.type == :uuid && value =~ /\(\)/
            value # Does not quote function default values for UUID columns
          elsif column.respond_to?(:array?)
            value = type_cast_from_column(column, value)
            quote(value)
          else
            super
          end
        end