index.md

code	type	title
true	page	sunionstore

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]

---

Query Syntax

HTTP

URL: http://kuzzle:7512/ms/_sunionstore
Method: POST
Body:

{
  "destination": "<destination key>",
  "keys": ["key1", "key2", "..."]
}

Other protocols

{
  "controller": "ms",
  "action": "sunionstore",
  "body": {
    "destination": "<destination key>",
    "keys": ["key1", "key2", "..."]
  }
}

---

Body properties

• destination: destination for the union result
• keys: array of set identifiers

---

Response

Returns the number of members stored in the destination set.

{
  "requestId": "<unique request identifier>",
  "status": 200,
  "error": null,
  "controller": "ms",
  "action": "sunionstore",
  "collection": null,
  "index": null,
  "result": 31
}