如何检查hashname存在的哈希数据

Question

我如何检查hashname存在的哈希数据？

> hset test record1 data1
> hset test record2 data2
> hset test record3 data3
> hgetall test

127.0.0.1:6379> hgetall test
1) "record1"
2) "data1"
3) "record2"
4) "data2"
5) "record3"
6) "data3"

127.0.0.1:6379> hexists test
(error) ERR wrong number of arguments for 'hexists' command

提前致谢

Answer 1

试试这个命令,它会解决你的问题.

redis> EXISTS test
(integer) 1