function Select::getUnion
Same name and namespace in other branches
- 8.9.x core/lib/Drupal/Core/Database/Query/Select.php \Drupal\Core\Database\Query\Select::getUnion()
- 10 core/lib/Drupal/Core/Database/Query/Select.php \Drupal\Core\Database\Query\Select::getUnion()
- 11.x core/lib/Drupal/Core/Database/Query/Select.php \Drupal\Core\Database\Query\Select::getUnion()
Returns a reference to the union queries for this query.
This includes queries for UNION, UNION ALL, and UNION DISTINCT.
Because this method returns by reference, alter hooks may edit the tables array directly to make their changes. If just adding union queries, however, the use of the union() method is preferred.
Note that this method must be called by reference as well:
$fields =& $query->getUnion();
Return value
array A reference to the union query array structure.
Overrides SelectInterface::getUnion
File
-
core/
lib/ Drupal/ Core/ Database/ Query/ Select.php, line 423
Class
- Select
- Query builder for SELECT statements.
Namespace
Drupal\Core\Database\QueryCode
public function &getUnion() {
return $this->union;
}
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