function Combine::opEmpty

Overrides StringFilter::opEmpty

File

core/modules/views/src/Plugin/views/filter/Combine.php, line 216

Class

Combine

Filter handler which allows to search on multiple fields.

Namespace

Code

protected function opEmpty($expression) {
  if ($this->operator == 'empty') {
    $operator = "IS NULL";
  }
  else {
    $operator = "IS NOT NULL";
  }
  $this->query
    ->addWhereExpression($this->options['group'], "{$expression} {$operator}");
}