QueryBase::__clone() Makes sure

The list of sorts over the aggregate results. Type:

public QueryBase::condition($property, $value = NULL, $operator = NULL,

protected QueryBase::initializePager() Gets

public QueryBase::andConditionGroup() Creates

public QueryBase::exists($property, $langcode = NULL)

public QueryBase::pager($limit = 10, $element = NULL)

public QueryBase::sort($field, $direction = 'ASC', $langcode = NULL)

public QueryBase::aggregate($field, $function, $langcode = NULL, &$alias

The list of aggregate expressions. Type: