Javascript 7.x

zcard

Returns the number of elements held by a sorted set.

[Redis documentation]

Arguments

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zcard(key, [options]);

Arguments Type Description
key
string
Sorted set 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 elements in the sorted set.

Usage

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try {
  await kuzzle.ms.zadd('ssetfoo', [
    {member: 'foo', score: '42'},
    {member: 'bar', score: '4'},
    {member: 'baz', score: '-272.15'}
  ]);
  // Prints 3
  console.log(await kuzzle.ms.zcard('ssetfoo'));
} catch (error) {
  console.error(error.message);
}