count #

Counts documents in a collection.

A query can be provided to alter the count result, otherwise returns the total number of documents in the collection.

Kuzzle uses the ElasticSearch Query DSL syntax.

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count(index, collection, query, [options]);

Argument	Type	Description
index	string	Index name
collection	string	Collection name
query	object	Query to match
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

Resolves #

Resolves to the number of matched documents.

Usage #

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try {
  const count = await kuzzle.document.count(
    'nyc-open-data',
    'yellow-taxi',
    {
      query: {
        match: { license: 'valid' }
      }
    }
  );
  console.log(`Found ${count} documents matching license:valid`);
} catch (error) {
  console.error(error.message);
}