HSET · Valkey

HSET

Creates or modifies the value of a field in a hash.

Usage

HSET key field value [field value …]

Description

Sets the specified fields to their respective values in the hash stored at key.

This command overwrites the values of specified fields that exist in the hash. If key doesn’t exist, a new key holding a hash is created.

Reply

Integer reply: the number of fields that were added.

Complexity

O(1) for each field/value pair added, so O(N) to add N field/value pairs when the command is called with multiple field/value pairs.

ACL Categories

@fast @hash @write

Examples

127.0.0.1:6379> HSET myhash field1 "Hello"
(integer) 1
127.0.0.1:6379> HGET myhash field1
"Hello"
127.0.0.1:6379> HSET myhash field2 "Hi" field3 "World"
(integer) 2
127.0.0.1:6379> HGET myhash field2
"Hi"
127.0.0.1:6379> HGET myhash field3
"World"
127.0.0.1:6379> HGETALL myhash
1) "field1"
2) "Hello"
3) "field2"
4) "Hi"
5) "field3"
6) "World"

History

See also

HDEL, HEXISTS, HGET, HGETALL, HINCRBY, HINCRBYFLOAT, HKEYS, HLEN, HMGET, HRANDFIELD, HSCAN, HSETNX, HSTRLEN, HVALS.