decr

Protocols: memcached text · memcached binary (0x06 / 0x16 DECREMENTQ) · meta ma M=D

Atomically subtracts delta from the stored numeric value. Saturates at zero per memcached convention.

Synopsis

decr <key> <delta> [noreply]\r\n

Responses

Token	Meaning
<new-value>	The post-decrement value (≥ 0)
NOT_FOUND	Key did not exist
CLIENT_ERROR ...	Stored value is not numeric

Example

> set c 0 0 1
> 3
< STORED
> decr c 1
< 2
> decr c 10
< 0