function Field::query

Overrides SqlBase::query

File

core/modules/field/src/Plugin/migrate/source/d6/Field.php, line 26

Class

Field

Drupal 6 field source from database.

Namespace

Code

public function query() {
    $query = $this->select('content_node_field', 'cnf')
        ->fields('cnf', [
        'field_name',
        'type',
        'global_settings',
        'required',
        'multiple',
        'db_storage',
        'module',
        'db_columns',
        'active',
        'locked',
    ])
        ->distinct();
    // Only import fields which are actually being used.
    $query->innerJoin('content_node_field_instance', 'cnfi', '[cnfi].[field_name] = [cnf].[field_name]');
    return $query;
}