function SearchApiStringFilter::op_empty in Search API Extended String Filter 7

File

includes/handler_filter_string.inc, line 324

Class

SearchApiStringFilter

Code

function op_empty($field) {
  if ($this->operator == 'empty') {
    $operator = "IS NULL";
  }
  else {
    $operator = "IS NOT NULL";
  }
  $this->query
    ->add_where($field, NULL, $operator, $this->options['group']);
}