sdiff #

Returns the difference between the set of unique values stored at key and the other provided sets.

[Redis documentation]

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sdiff(key, keys, [options], [callback]) #

Arguments	Type	Description
key	string	Key identifier to compare
keys	array	list of set keys to compare with the set stored at key
options	JSON Object	Optional parameters
callback	function	Callback

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Options #

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

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Return Value #

Returns the MemoryStorage object to allow chaining.

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Callback Response #

Returns an array of differences.

Usage #

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// Using callbacks (NodeJS or Web Browser)
kuzzle.memoryStorage.sdiff('key', ['key1', 'key2', '...'], function (err, diff) {
  // callback called once the action has completed
});
// Using promises (NodeJS only)
kuzzle.memoryStorage.sdiffPromise('key', ['key1', 'key2', '...'])
  .then(diff => {
    // resolved once the action has completed
  });

Callback response:

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["diff value1", "diff value2", "..."]