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HKEYS key

相关命令

• HDEL
• HEXISTS
• HGET
• HGETALL
• HINCRBY
• HINCRBYFLOAT
• HKEYS
• HLEN
• HMGET
• HMSET
• HSCAN
• HSET
• HSETNX
• HVALS

Available since 2.0.0.

时间复杂度： O(N) where N is the size of the hash.

Returns all field names in the hash stored at key.

返回值

Array reply: list of fields in the hash, or an empty list when key does not exist.

例子

redis> HSET myhash field1 "Hello"

(integer) 1

redis> HSET myhash field2 "World"

(integer) 1

redis> HKEYS myhash

1) "field1"
2) "field2"

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