Piwik\DataAccess\LogAggregator::getActionsMetricFields PHP Method

    protected function getActionsMetricFields()
    {
        return array(Metrics::INDEX_NB_VISITS => "count(distinct " . self::LOG_ACTIONS_TABLE . ".idvisit)", Metrics::INDEX_NB_UNIQ_VISITORS => "count(distinct " . self::LOG_ACTIONS_TABLE . ".idvisitor)", Metrics::INDEX_NB_ACTIONS => "count(*)");
    }