function applyQueryInterval(Am_Query $q)
{
$dateField = $this->getPointField();
$f = $this->quantity->getSqlExpr($dateField);
$q->addField($f, self::POINT_FLD);
$q->groupBy(self::POINT_FLD, "");
$q->addWhere("{$dateField} BETWEEN ? AND ?", $this->start, $this->stop);
}
protected function populatePoints($start, $values)
{
$start = $this->quantity->getNext($start);
$values = array_map(create_function('$a', 'return "";'), $values);
while (empty($this->points[$start])) {
$this->addPoint(new Am_Report_Point($start, $this->getQuantity()->getLabel($start)));
$this->points[$start]->addValues($values);
$start = $this->quantity->getNext($start);
}
}
