zincrby #

Increments the score of a member in a sorted set by the provided value.

[Redis documentation]

---

zincrby(key, member, increment, [options], [callback]) #

Arguments	Type	Description
key	string	Key identifier
member	string	Member element to increment
increment	double	Increment value
options	JSON Object	Optional parameters
callback	function	Callback

---

Options #

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

---

Return Value #

Returns the MemoryStorage object to allow chaining.

---

Callback Response #

Returns a double containing the updated member's score in the sorted set.

Usage #

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// Using callbacks (NodeJS or Web Browser)
kuzzle.memoryStorage.zincrby('key', 'foo', 3.14159, function (err, value) {
  // callback called once the action has completed
});
// Using promises (NodeJS only)
kuzzle.memoryStorage.zincrbyPromise('key', 'foo', 3.14159)
  .then(value => {
    // resolved once the action has completed
  });

Callback response:

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4.14159