zrevrange

Identical to zrange, except that the sorted set is traversed in descending order.

[Redis documentation]


zrevrange(key, start, stop, [options], [callback])

Arguments Type Description
key string Key identifier
start int Start position in the set (index starts at position 0)
stop int End position in the set
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 an array of objects, each containing the following properties:

  • member: member value in the sorted set
  • score: member associated score

Usage

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// Using callbacks (NodeJS or Web Browser)
kuzzle.memoryStorage.zrevrange('key', 0, -1, function (err, members) {
  // callback called once the action has completed
});

// Using promises (NodeJS only)
kuzzle.memoryStorage.zrevrangePromise('key', 0, -1)
  .then(members => {
    // resolved once the action has completed
  });

Callback response:

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[
  { "member": "baz", "score": 3 },
  { "member": "bar", "score": 2 },
  { "member": "foo", "score": 1 }
]