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Client.sadd(key, members)

Adds the specified members to the set stored at key. Specified members that are already a member of this set are ignored. If key does not exist, a new set is created before adding the specified members.

Parameters

ParameterTypeDescription
keystringkey holding the set to add the members to.
membersa variadic array of strings, numbers, or booleansmembers to add to the set.

Returns

TypeResolves withRejected when
Promise<number>On success, the promise resolves with the number of elements that were added to the set, not including elements already present in the set.

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 async function () {
await redisClient.sadd('myset', 'foo');
await redisClient.sadd('myset', 'bar');
const isit = await redisClient.sismember('myset', 'foo');
if (isit === false) {
throw new Error('sismember should have returned true');
}
}