serialize

# File activerecord/lib/active_record/connection_adapters/postgresql/oid/hstore.rb, line 71
          def serialize(value)
            if value.is_a?(::Hash)
              value.map { |k, v| "#{escape_hstore(k)}=>#{escape_hstore(v)}" }.join(", ")
            elsif value.respond_to?(:to_unsafe_h)
              serialize(value.to_unsafe_h)
            else
              value
            end
          end