HINCRBY

Synopsis

HINCRBY key field delta
This command adds delta to the number that is associated with the given field field for the hash key. The numeric value must a 64-bit signed integer.

If the `key` does not exist, a new hash container is created. If the field `field` does not exist in the hash container, the associated string is set to "0".

If the given `key` is not associated with a hash type, or if the string associated with `field` cannot be converted to an integer, an error is raised.

Return value

Returns the value after addition.

Examples

1

8

4

3

See also

hexists, hget, hgetall, hkeys, hlen, hmget, hmset, hset, hincrby, hstrlen, hvals