sdiffstore

// Using callbacks (NodeJS or Web Browser)
kuzzle.memoryStorage.sdiffstore('key', ['key1', 'key2', '...'], 'destination', function (err, count) {
  // callback called once the action has completed
});

// Using promises (NodeJS only)
kuzzle.memoryStorage.sdiffstorePromise('key', ['key1', 'key2', '...'], 'destination')
  .then(count => {
    // resolved once the action has completed
  });
String[] keys = new String[]{"key1", "key2", "..."};

kuzzle.memoryStorage.sdiffstore("key", keys, "destination", new ResponseListener<Long>() {
  @Override
  public void onSuccess(int count) {
    // callback called once the action has completed
  }

  @Override
  public void onError(JSONObject error) {
  }
});
<?php

use \Kuzzle\Kuzzle;


$kuzzle = new Kuzzle('localhost');

try {
  $count = $kuzzle->memoryStorage()->sdiffstore('key', ['key1', 'key2', '...'], 'destination');
}
catch (ErrorException $e) {

}

Callback response:

3

Computes the difference between the set of unique values stored at key and the other provided sets, and stores the result in the key stored at destination.

If the destination key already exists, it is overwritten.

[Redis documentation]


sdiffstore(key, keys, destination, [options], [callback])

ArgumentsTypeDescription
keystringKey identifier to compare
keysarraylist of set keys to compare with the set stored at key
destinationstringDestination key identifier
optionsJSON ObjectOptional parameters
callbackfunctionCallback

Options

OptionTypeDescriptionDefault
queuablebooleanMark this request as (not) queuabletrue

Return value

Returns the MemoryStorage object to allow chaining.


Callback response

Resolves to an integer containing the number of stored elements.