function Tables::addField

Overrides Tables::addField

File

core/modules/workspaces/src/EntityQuery/Tables.php, line 60

Class

Tables

Alters entity queries to use a workspace revision instead of the default one.

Namespace

Code

public function addField($field, $type, $langcode) {
  // The parent method uses shared and dedicated revision tables only when the
  // entity query is instructed to query all revisions. However, if we are
  // looking for workspace-specific revisions, we have to force the parent
  // method to always pick the revision tables if the field being queried is
  // revisionable.
  if ($this->sqlQuery
    ->getMetaData('active_workspace_id')) {
    $previous_all_revisions = $this->sqlQuery
      ->getMetaData('all_revisions');
    $this->sqlQuery
      ->addMetaData('all_revisions', TRUE);
  }
  $alias = parent::addField($field, $type, $langcode);
  // Restore the 'all_revisions' metadata because we don't want to interfere
  // with the rest of the query.
  if (isset($previous_all_revisions)) {
    $this->sqlQuery
      ->addMetaData('all_revisions', $previous_all_revisions);
  }
  return $alias;
}