trait DummyQueryTrait

Provides a dummy select query object for source plugins.

Trait providing a dummy select query object for source plugins based on SqlBase which override initializeIterator() to obtain their data from other SqlBase services instead of a direct query. This ensures that query() returns a valid object, even though it is not used for iteration.

Hierarchy

• trait \Drupal\migrate\Plugin\migrate\source\DummyQueryTrait

File

core/modules/migrate/src/Plugin/migrate/source/DummyQueryTrait.php, line 13

Namespace

trait DummyQueryTrait {
    
    /**
     * {@inheritdoc}
     */
    public function query() {
        // Pass an arbitrary table name - the query should never be executed
        // anyway.
        $query = $this->select(uniqid(), 's')
            ->range(0, 1);
        $query->addExpression('1');
        return $query;
    }
    
    /**
     * {@inheritdoc}
     */
    protected function doCount() {
        return 1;
    }

}

Members