protected function QueryAggregate::addAggregate in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Entity/Query/Sql/QueryAggregate.php \Drupal\Core\Entity\Query\Sql\QueryAggregate::addAggregate()
2. 10 core/lib/Drupal/Core/Entity/Query/Sql/QueryAggregate.php \Drupal\Core\Entity\Query\Sql\QueryAggregate::addAggregate()

Adds the aggregations to the query.

Return value

$this Returns the called object.

File

core/lib/Drupal/Core/Entity/Query/Sql/QueryAggregate.php, line 74

Class

QueryAggregate

The SQL storage entity query aggregate class.

Namespace

Drupal\Core\Entity\Query\Sql

Code

protected function addAggregate() {
  if ($this->aggregate) {
    foreach ($this->aggregate as $aggregate) {
      $sql_field = $this
        ->getSqlField($aggregate['field'], $aggregate['langcode']);
      $this->sqlExpressions[$aggregate['alias']] = $aggregate['function'] . "({$sql_field})";
    }
  }
  return $this;
}