public function SelectExtender::__clone in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Database/Query/SelectExtender.php \Drupal\Core\Database\Query\SelectExtender::__clone()

Clone magic method.

Select queries have dependent objects that must be deep-cloned. The connection object itself, however, should not be cloned as that would duplicate the connection itself.

Overrides SelectInterface::__clone

File

core/lib/Drupal/Core/Database/Query/SelectExtender.php, line 494

Class

SelectExtender

The base extender class for Select queries.

Namespace

Drupal\Core\Database\Query

Code

public function __clone() {
  $this->uniqueIdentifier = uniqid('', TRUE);

  // We need to deep-clone the query we're wrapping, which in turn may
  // deep-clone other objects.  Exciting!
  $this->query = clone $this->query;
}