redisHIncrBy: Increment a value.

In bwlewis/rredis: "Redis" Key/Value Database Client

Description

Increment the value corresponding to the given key/field combination by the specified value.

Usage

redisHIncrBy(key, field, value, ...)

Arguments

key	A key name.
field	A field name.
value	The value to increment by (integer, numeric, or character).
...	Optional additional arguments. Specify raw=TRUE to skip de-serialization of the data.

Details

The value should be an integer (redisHIncrBy) or a numeric value (redisHIncrByFloat). If the key/field value does not exist or contains a value of a wrong type, set the key to the value of "0" before to perform the operation.

Value

The new value of key after the increment, returned as a character string.

Author(s)

B. W. Lewis

References

http://redis.io/commands

See Also

redisHSet

Examples

## Not run: 
# Note initial value must be a raw character string!
redisHSet('A','x',charToRaw('5'))
redisHIncrBy('A','x',3)

## End(Not run)

bwlewis/rredis documentation built on Jan. 3, 2022, 4:53 p.m.