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HLEN

HLEN
Syntax
HLEN key
Available since:
2.0.0
Time complexity:
O(1)
ACL categories:
@read, @hash, @fast,

Returns the number of fields contained in the hash stored at key.

Return

Integer reply: number of fields in the hash, or 0 when key does not exist.

Examples

HSET myhash field1 "Hello"
HSET myhash field2 "World"
HLEN myhash

© 2006–2022 Salvatore Sanfilippo
Licensed under the Creative Commons Attribution-ShareAlike License 4.0.
https://redis.io/commands/hlen/