public ConditionInterface::condition($field, $value =

protected Query::isSimpleQuery() Determines

protected QueryAggregate::addGroupBy()

public ConditionAggregateInterface:

public Tables::addField($field, $type, $langcode)

public QueryFactory::getAggregate($entity_type_id, $conjunction

public QueryBase::count() Makes

public QueryAggregateInterface::conditionAggregate($field

public QueryBase::sortAggregate($field, $function, $direction = 'ASC', $langcode

public QueryInterface::tableSort(&$headers)