Core 2.x

zlexcount

Counts elements in a sorted set where all members have equal score, using lexicographical ordering.

[Redis documentation]

Arguments

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zlexcount(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 ZRANGEBYLEX 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

Resolves to the number of elements in the provided range.

Usage

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try {
  await kuzzle.ms.zadd('ssetfoo', [
    {member: 'foo', score: '0'},
    {member: 'bar', score: '0'},
    {member: 'baz', score: '0'}
  ]);
  // Prints: 2
  // Lexicographically counts elements with a maximum value of 'f' (excluded),
  // without a minimum value
  console.log(await kuzzle.ms.zlexcount('ssetfoo', '-', '(f'));
} catch (error) {
  console.error(error.message);
}