INCRBY key increment

Available since: 1.0.0

Time complexity: O(1)

ACL categories: @write @string @fast

Increments the number stored at key by increment. If the key does not exist, it is set to 0 before performing the operation. An error is returned if the key contains a value of the wrong type or contains a string that can not be represented as integer. This operation is limited to 64 bit signed integers.

See INCR for extra information on increment/decrement operations.


Integer reply: the value of key after the increment


SET mykey "10" INCRBY mykey 5