sdiffstore #

Computes the difference between a reference set of unique values, and other sets. The differences are then stored in the provided destination key.

If the destination key already exists, it is overwritten.

[Redis documentation]

Arguments #

sdiffstore(ref, sets, dest, [options]);

Arguments	Type	Description
`ref`	string	Set key of reference
`sets`	string[]	List of sets to compare to the reference
`dest`	string	Destination key
`options`	object	Optional query arguments

options #

The options arguments can contain the following option properties:

Property	Type (default)	Description
`queuable`	boolean (true)	If true, queues the request during downtime, until connected to Kuzzle again

Resolve #

Resolves to the number of values stored at the new key.

Usage #

try {
  await kuzzle.ms.sadd('ref', ['foo', 'bar', 'baz']);
  await kuzzle.ms.sadd('set1', ['foo', 'hello']);
  await kuzzle.ms.sadd('set2', ['bar', 'world']);
  await kuzzle.ms.sdiffstore('ref', ['set1', 'set2'], 'diffs');
  // Prints: [ 'baz' ]
  console.log(await kuzzle.ms.smembers('diffs'));
} catch (error) {
  console.error(error.message);
}

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