function TaxonomyIndexTidDepth::query

Overrides InOperator::query

File

core/modules/taxonomy/src/Plugin/views/filter/TaxonomyIndexTidDepth.php, line 46

Class

TaxonomyIndexTidDepth

Filter handler for taxonomy terms with depth.

Namespace

Code

public function query() {
    // If no filter values are present, then do nothing.
    if (count($this->value) == 0) {
        return;
    }
    elseif (count($this->value) == 1) {
        // Sometimes $this->value is an array with a single element so convert it.
        if (is_array($this->value)) {
            $this->value = current($this->value);
        }
    }
    // The normal use of ensureMyTable() here breaks Views.
    // So instead we trick the filter into using the alias of the base table.
    // See https://www.drupal.org/node/271833.
    // If a relationship is set, we must use the alias it provides.
    if (!empty($this->relationship)) {
        $this->tableAlias = $this->relationship;
    }
    else {
        $this->tableAlias = $this->query
            ->ensureTable($this->view->storage
            ->get('base_table'));
    }
    $this->addSubQueryJoin($this->value);
}