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
keydoes not exist, a new hash container is created. If the fieldfielddoes not exist in the hash container, the associated string is set to "0". - If the given
keyis not associated with a hash type, or if the string associated withfieldcannot be converted to an integer, an error is raised.
Return value
Returns the value after addition.
Examples
$ HSET yugahash f1 5
1
$ HINCRBY yugahash f1 3
8
$ HINCRBY yugahash non-existent-f2 4
4
$ HINCRBY non-existent-yugahash f1 3
3
See also
hexists, hget, hgetall, hkeys, hlen, hmget, hmset, hset, hincrby, hstrlen, hvals