mUpdate #

Updates multiple documents.

Conflicts may occur if the same document gets updated multiple times within a short timespan in a database cluster.

You can set the retryOnConflict optional argument (with a retry count), to tell Kuzzle to retry the failing updates the specified amount of times before rejecting the request with an error.

mUpdate(index, collection, documents, [options]);

Argument	Type	Description
`index`	string	Index name
`collection`	string	Collection name
`documents`	object[]	Array of documents to update
`options`	object	Query options

Options #

Additional query options

Options	Type (default)	Description
`queuable`	boolean (`true`)	If `true`, queues the request during downtime, until connected to Kuzzle again
`refresh`	string (`""`)	If set to `wait_for`, waits for the change to be reflected for `search` (up to 1s)
`retryOnConflict`	int (`0`)	The number of times the database layer should retry in case of version conflict
`silent`	boolean (`false`)	If `true`, then Kuzzle will not generate notifications Available since 7.5.3
`timeout`	number (`-1`)	Time (in ms) during which a request will still be waited to be resolved. Set it `-1` if you want to wait indefinitely
`triggerEvents`	boolean (`false`)	If set to `true`, will trigger events even if using Embeded SDK. You should always ensure that your events/pipes does not create an infinite loop. Available since Kuzzle 2.31.0

Resolves #

Returns an object containing 2 arrays: successes and errors

Each updated document is an object of the successes array with the following properties:

Name	Type	Description
`_id`	string	Document ID
`_version`	number	Version of the document in the persistent data storage
`_source`	object	Document content

Each errored document is an object of the errors array with the following properties:

Name	Type	Description
`document`	object	Document that cause the error
`status`	number	HTTP error status
`reason`	string	Human readable reason

Usage #

const doc1 = { capacity: 4 };
const doc2 = { capacity: 7 };
try {
  await kuzzle.document.create('nyc-open-data', 'yellow-taxi', doc1, 'some-id');
  await kuzzle.document.create('nyc-open-data', 'yellow-taxi', doc2, 'some-other-id');
  const documents = [
    {
      _id: 'some-id',
      body: { category: 'sedan' }
    },
    {
      _id: 'some-other-id',
      body: { category: 'limousine' }
    }
  ];
  const response = await kuzzle.document.mUpdate(
    'nyc-open-data',
    'yellow-taxi',
    documents
  );
  console.log(response);
  /*
    { successes:
      [ { _id: 'some-id',
          _source: { _kuzzle_info: [Object], category: 'sedan' },
          _version: 2,
          result: 'updated',
          created: false,
          status: 200 },
        { _id: 'some-other-id',
          _source: { _kuzzle_info: [Object], category: 'limousine' },
          _version: 2,
          result: 'updated',
          created: false,
          status: 200 } ],
    errors: [] }
  */
  console.log('Success');
} catch (error) {
  console.error(error.message);
}

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