|
public count ( string $q = '*', |
||
| $q | string | the COUNT expression. This parameter is ignored by this implementation. |
| $db | the database connection used to execute the query. If this parameter is not given, the `elasticsearch` application component will be used. | |
| return | integer | number of records |
public function count($q = '*', $db = null)
{
// TODO consider sending to _count api instead of _search for performance
// only when no facety are registerted.
// http://www.elastic.co/guide/en/elasticsearch/reference/current/search-count.html
// http://www.elastic.co/guide/en/elasticsearch/reference/1.x/_search_requests.html
$options = [];
$options['search_type'] = 'count';
return $this->createCommand($db)->search($options)['hits']['total'];
}