zcount

Returns the number of elements held by a sorted set with a score within the provided range.

[Redis documentation]

Arguments

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zcount(key, min, max, [options]);

Arguments Type Description
key
string
Sorted set key
min
string
Minimum range value
max
string
Maximum range value
options
object
Optional query arguments

By default, the provided min and max values are inclusive. This behavior can be changed using the syntax described in the Redis ZRANGEBYSCORE documentation.

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

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: 2
  // Counts elements with a score lower than 42 (excluded)
  console.log(await kuzzle.ms.zcount('ssetfoo', '-inf', '(42'));
} catch (error) {
  console.error(error.message);
}