/man/redisHIncrBy.Rd

 1\name{redisHIncrBy}
 2\alias{redisHIncrBy}
 3\alias{redisHIncrByFloat}
 4\title{Increment a value.}
 5\description{Increment the value corresponding to the given key/field
 6combination by the specified value.
 7}
 8\usage{
 9redisHIncrBy(key, field, value, ...)
10}
11\arguments{
12  \item{key}{A key name.}
13  \item{field}{A field name.}
14  \item{value}{The value to increment by (integer, numeric, or character).}
15  \item{...}{ Optional additional arguments.  Specify \code{raw=TRUE} to skip de-serialization of the data.}
16}
17\details{
18The value should be an integer
19(\code{redisHIncrBy}) or a numeric value (\code{redisHIncrByFloat}).
20If the key/field value does not exist or contains a 
21value of a wrong type, set the 
22key to the value of "0" before to perform the operation.
23}
24\value{
25The new value of key after the increment, returned as a character
26string.
27}
28\references{
29http://redis.io/commands
30}
31\author{
32B. W. Lewis
33}
34
35\seealso{
36\code{\link{redisHSet}}
37}
38\examples{
39\dontrun{
40# Note initial value must be a raw character string!
41redisHSet('A','x',charToRaw('5'))
42redisHIncrBy('A','x',3)
43}
44}