escape_bytea

# File activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb, line 293
      def escape_bytea(original_value)
        if @connection.respond_to?(:escape_bytea)
          self.class.instance_eval do
            define_method(:escape_bytea) do |value|
              @connection.escape_bytea(value) if value
            end
          end
        elsif PGconn.respond_to?(:escape_bytea)
          self.class.instance_eval do
            define_method(:escape_bytea) do |value|
              PGconn.escape_bytea(value) if value
            end
          end
        else
          self.class.instance_eval do
            define_method(:escape_bytea) do |value|
              if value
                result = ''
                value.each_byte { |c| result << sprintf('\\\\%03o', c) }
                result
              end
            end
          end
        end
        escape_bytea(original_value)
      end