static function GetCurrentId($thread_id, $period_id = null)
{
$thread_id = ESQL::Escape($thread_id);
$period_id = ESQL::Escape($period_id);
if ($period_id == null) {
return ESQL::QueryFirstField("\n\t\t\tselect\n\t\t\t\tu.count_id\n\t\t\tfrom page_usage u\n\t\t\t\tinner join usage_period up on up.period_id = u.period_id\n\t\t\twhere\n\t\t\t\tup.end_date is null and\n\t\t\t\tu.thread_id = '{$thread_id}'");
} else {
return ESQL::QueryFirstField("select count_id from page_usage where period_id = '{$period_id}' and thread_id = '{$thread_id}'");
}
}
