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HINCRBY

Increments the value of a field in a hash stored at key by the given increment. If the field does not exist, it is set to increment. If the key does not exist, a new hash is created with the field set to increment.

Syntax​

HINCRBY key field increment

Details​

  • Available since: 2.0.0
  • Time complexity: O(1)
  • ACL categories: @write, @hash, @fast

Example​

Assume we have a hash called myhash with a field "counter" initialized to 5:

HSET myhash counter 5

Now, let's increment the value of "counter" by 3:

HINCRBY myhash counter 3

This will output:

(integer) 8

RESP2/RESP3 Reply​

Integer reply: the value of the field after the increment.