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hlen

Returns the number of fields contained in a hash.

[Redis documentation]

Arguments

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hlen(key, [options]);

Arguments Type Description
key
string
Hash key
options
object
Optional query arguments

options

The options arguments can contain the following option properties:

Property Type (default) Description
queuable
boolean (true)
If true, queues the request during downtime, until connected to Kuzzle again

Resolve

Resolves to the number of fields stored in a hash.

Usage

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try {
  await kuzzle.ms.hset('hashfoo', 'key1', 'val1');
  await kuzzle.ms.hset('hashfoo', 'key2', 'val2');
  await kuzzle.ms.hset('hashfoo', 'key3', 'val3');
  // Prints: 3
  console.log(await kuzzle.ms.hlen('hashfoo'));
} catch (error) {
  console.error(error.message);
}