Redis - Hash Hincrby Command


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Redis HINCRBY command is used to increment the number stored at the field in the hash, stored at the key by increment. If the key does not exist, a new key holding a hash is created. If the field does not exist, the value is set to 0 before the operation is performed.

Return Value

Integer reply, the value at the field after the increment operation.

Syntax

Following is the basic syntax of Redis HINCRBY command.

redis 127.0.0.1:6379> HINCRBY KEY_NAME FIELD_NAME INCR_BY_NUMBER

Example

redis 127.0.0.1:6379> HSET myhash field1 20 
(integer) 1 
redis 127.0.0.1:6379> HINCRBY myhash field 1 
(integer) 21 
redis 127.0.0.1:6379> HINCRBY myhash field -1 
(integer) 20
redis_hashes.htm
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