Important: This documentation is about an older version. It's relevant only to the release noted, many of the features and functions have been updated or replaced. Please view the current version.
Client.exists(keys)
Returns the number of key
arguments that exist. Note that if the same existing key is mentioned in the argument multiple times, it will be counted multiple times.
Parameters
Returns
Example
import redis from 'k6/experimental/redis';
// Instantiate a new redis client
const redisClient = new redis.Client('redis://localhost:6379');
export default async function () {
let exists = await redisClient.exists('mykey');
if (exists === true) {
throw new Error('mykey should not exist');
}
await redisClient.set('mykey', 'myvalue', 0);
exists = await redisClient.exists('mykey');
if (exists === false) {
throw new Error('mykey should exist');
}
await redisClient.del('mykey');
}