This is documentation for the next version of Grafana k6 documentation. For the latest stable release, go to the latest version.

Documentationbreadcrumb arrow Grafana k6breadcrumb arrow JavaScript APIbreadcrumb arrow k6/experimentalbreadcrumb arrow redisbreadcrumb arrow Clientbreadcrumb arrow Client.getSet(key, value)
Open source

Client.getSet(key, value)

Atomically sets key to value and returns the value previously stored at key.

Parameters

ParameterTypeDescription
keystringthe key to get and set
valuestring, number, or booleanthe value to set

Returns

TypeResolves withRejected when
Promise<string>On success, the promise resolves with the old value stored at key.If key does not exist, or does not hold a string value, the promise is rejected with an error.

Example

JavaScript 
import redis from 'k6/experimental/redis';

// Instantiate a new redis client
const redisClient = new redis.Client('redis://localhost:6379');

export default async function () {
  await redisClient.set('mykey', 'oldvalue', 0);
  await redisClient.getSet('mykey', 'newvalue');
  await redisClient.getDel('mykey');
}