public SelectExtender::hasTag($tag)

public SelectExtender::leftJoin($table, $alias = NULL, $condition

public SelectExtender::groupBy($field)

public SelectExtender::range($start = NULL, $length = NULL)

public SelectExtender::having($snippet, $args = array())

public SelectExtender::rightJoin($table, $alias = NULL, $condition

public SelectExtender::innerJoin($table, $alias = NULL, $condition

public SelectExtender::hasAllTags()

public SelectExtender::arguments()

A unique identifier for this query object. File core/lib/Drupal/Core/Database/Query/SelectExtender.php