修改 type 类型
UPDATE wd_order2 SET info = array_append(info, row(2,100001, now() )::info ) WHERE id_order=1000000028
'{"(32767,\"1000000008\",\"2014-11-02 10:55:59\")","(32,\"1000000008\",\"2014-11-02 11:03:22\")"}'