function views_many_to_one_helper::summary_join

Provide the proper join for summary queries.

This is important in part because it will cooperate with other arguments if possible.

File

includes/handlers.inc, line 934

Class

views_many_to_one_helper

This many to one helper object is used on both arguments and filters.

Code

public function summary_join() {
    $field = $this->handler->relationship . '_' . $this->handler->table . '.' . $this->handler->field;
    $join = $this->get_join();
    // Shortcuts.
    $options = $this->handler->options;
    $view =& $this->handler->view;
    $query =& $this->handler->query;
    if (!empty($options['require_value'])) {
        $join->type = 'INNER';
    }
    if (empty($options['add_table']) || empty($view->many_to_one_tables[$field])) {
        return $query->ensure_table($this->handler->table, $this->handler->relationship, $join);
    }
    else {
        if (!empty($view->many_to_one_tables[$field])) {
            foreach ($view->many_to_one_tables[$field] as $value) {
                $join->extra = array(
                    array(
                        'field' => $this->handler->real_field,
                        'operator' => '!=',
                        'value' => $value,
                        'numeric' => !empty($this->definition['numeric']),
                    ),
                );
            }
        }
        return $this->add_table($join);
    }
}