Select::$union

An array whose elements specify a query to UNION, and the UNION type. The 'type' key may be '', 'ALL', or 'DISTINCT' to represent a 'UNION', 'UNION ALL', or 'UNION DISTINCT' statement, respectively.

All entries in this array will be applied from front to back, with the first query to union on the right of the original query, the second union to the right of the first, etc.

Type: array

File

core/lib/Drupal/Core/Database/Query/Select.php, line 107

Class

Select
Query builder for SELECT statements.

Namespace

Drupal\Core\Database\Query

Code

protected $union = array();
doc_Drupal
2016-10-29 09:41:12
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