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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.

Open source

Client.hlen(key)

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

Parameters

ParameterTypeDescription
keystringkey holding the hash to get the fields of.

Returns

TypeResolves withRejected 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

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