function FieldPluginBase::addAdditionalFields

Add 'additional' fields to the query.

Parameters

$fields: An array of fields. The key is an identifier used to later find the field alias used. The value is either a string in which case it's assumed to be a field on this handler's table; or it's an array in the form of

[
    'table' => $tablename,
    'field' => $fieldname,
];

File

core/modules/views/src/Plugin/views/field/FieldPluginBase.php, line 186

Class

FieldPluginBase

Base class for views fields.

Namespace

Code

protected function addAdditionalFields($fields = NULL) {
    if (!isset($fields)) {
        // Notice check
        if (empty($this->additional_fields)) {
            return;
        }
        $fields = $this->additional_fields;
    }
    $group_params = [];
    if ($this->options['group_type'] != 'group') {
        $group_params = [
            'function' => $this->options['group_type'],
        ];
    }
    if (!empty($fields) && is_array($fields)) {
        foreach ($fields as $identifier => $info) {
            if (is_array($info)) {
                if (isset($info['table'])) {
                    $table_alias = $this->query
                        ->ensureTable($info['table'], $this->relationship);
                }
                else {
                    $table_alias = $this->tableAlias;
                }
                if (empty($table_alias)) {
                    trigger_error(sprintf("Handler %s tried to add additional_field %s but %s could not be added!", $this->definition['id'], $identifier, $info['table']), E_USER_WARNING);
                    $this->aliases[$identifier] = 'broken';
                    continue;
                }
                $params = [];
                if (!empty($info['params'])) {
                    $params = $info['params'];
                }
                $params += $group_params;
                $this->aliases[$identifier] = $this->query
                    ->addField($table_alias, $info['field'], NULL, $params);
            }
            else {
                $this->aliases[$info] = $this->query
                    ->addField($this->tableAlias, $info, NULL, $group_params);
            }
        }
    }
}