Client.hlen(key)

Returns the number of fields in the hash stored at key.

Parameters

Parameter	Type	Description
`key`	string	key holding the hash to get the fields of.

Returns

Type	Resolves with	Rejected when
`Promise<number>`	On success, the promise resolves with the number of fields in the hash.	If the hash does not exist, the promise is rejected with an error.

Example

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.hset('myhash', 'myfield', 10);
  await redisClient.hset('myhash', 'myotherfield', 20);
  await redisClient.hlen('myhash');
}