hincr name key [num]

Since 1.7.0.1, *incr methods return error if value cannot be converted to integer.

Increment the number stored at key in a hashmap by num. The num argument could be a negative integer. The old number is first converted to an integer before increment, assuming it was stored as literal integer.

Parameters

• name - the name of the hashmap
• `key -
• num - Optional, must be a signed integer, default is 1

Return Value

The new value. If the old value cannot be converted to an integer, returns error Status Code.

Example

ssdb 127.0.0.1:8888> hset h k v
ok
(0.000 sec)
ssdb 127.0.0.1:8888> hincr h k
error: value is not an integer or out of range
(0.001 sec)
ssdb 127.0.0.1:8888> hdel h k
1
(0.000 sec)
ssdb 127.0.0.1:8888> hincr h k
1
(0.000 sec)
ssdb 127.0.0.1:8888> hincr h k
2
(0.000 sec)
ssdb 127.0.0.1:8888> hincr h k 10
12
(0.000 sec)
ssdb 127.0.0.1:8888>