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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
Parameter | Type | Description |
---|---|---|
key | string | key holding the set to add the members to. |
members | a variadic array of strings, numbers, or booleans | members to add to the set. |
Returns
Type | Resolves with | Rejected 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
JavaScript
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');
}
}