sunionstore #

Computes the union of multiple sets of unique values and stores it in a new set.

If the destination key already exists, it is overwritten.

Arguments #

sunionstore(dest, sources, [options]);

Arguments	Type	Description
`key`	string	Union target key
`sources`	string[]	List of set keys
`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 added to the destination key.

Usage #

try {
  await kuzzle.ms.sadd('set1', ['a', 'b', 'c']);
  await kuzzle.ms.sadd('set2', ['d', 'e', 'f']);
  await kuzzle.ms.sadd('set3', ['g', 'h', 'i']);
  // Prints: 9
  console.log(await kuzzle.ms.sunionstore(
    'setdest',
    ['set1', 'set2', 'set3']
  ));
  // Prints: [ 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i' ]
  console.log(await kuzzle.ms.smembers('setdest'));
} catch (error) {
  console.error(error.message);
}

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