SDK
SDK Javascript v7.x

# 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.

[Redis documentation]

# Arguments

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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

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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);
}