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Client.hincrby(key, field, increment)

Increments the integer value of field in the hash stored at key by increment. If key does not exist, a new key holding a hash is created. If field does not exist the value is set to 0 before the operation is set to 0 before the operation is performed.

Parameters

ParameterTypeDescription
keystringkey holding the hash to increment the field of.
fieldstringfield to increment in the hash.
incrementnumberamount to increment the field by.

Returns

TypeResolves withRejected when
Promise<number>On success, the promise resolves with the value at field after the increment operation.

Example

import redis from 'k6/experimental/redis';
// Get the redis instance(s) address and password from the environment
const redis_addrs = __ENV.REDIS_ADDRS || '';
const redis_password = __ENV.REDIS_PASSWORD || '';
// Instantiate a new redis client
const redisClient = new redis.Client({
addrs: redis_addrs.split(',') || new Array('localhost:6379'), // in the form of 'host:port', separated by commas
password: redis_password,
});
export default function () {
redisClient
.hset('myhash', 'myfield', 10)
.then((_) => redisClient.hincrby('myhash', 'myfield', 20));
}