zcount #

Returns the number of elements held by a sorted set with a score between the provided min and max values.

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

[Redis documentation]

zcount(key, min, max, [options], callback) #

Arguments	Type	Description
`key`	string	Key identifier
`min`	int	Minimum score (inclusive by default)
`max`	int	Maximum score (inclusive by default)
`options`	JSON Object	Optional parameters
`callback`	function	Callback

Options #

Option	Type	Description	Default
`queuable`	boolean	Make this request queuable or not	`true`

Callback Response #

Returns an integer containing the number of elements in the provided score range.

Usage #

// Using callbacks (NodeJS or Web Browser)
kuzzle.memoryStorage.zcount('key', 2, 3, function (err, count) {
  // callback called once the action has completed
});
// Using promises (NodeJS only)
kuzzle.memoryStorage.zcountPromise('key', 2, 3)
  .then(count => {
    // resolved once the action has completed
  });

Callback response:

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