protected QueryAggregate::finish()
Overrides \Drupal\Core\Entity\Query\Sql\Query::finish().
Adds the sql expressions to the query.
Overrides Query::finish
protected function finish() { foreach ($this->sqlExpressions as $alias => $expression) { $this->sqlQuery->addExpression($expression, $alias); } return parent::finish(); }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Entity!Query!Sql!QueryAggregate.php/function/QueryAggregate::finish/8.1.x