protected function execute()
{
if ($this->rows !== NULL) {
return;
}
$referencing = & $this->refTable->referencing[$this->getSql()];
if ($referencing === NULL) {
$limit = $this->limit;
$rows = count($this->refTable->rows);
if ($this->limit && $rows > 1) {
$this->limit = NULL;
}
parent::execute();
$this->limit = $limit;
$referencing = array();
$offset = array();
foreach ($this->rows as $key => $row) {
$ref = & $referencing[$row[$this->column]];
$skip = & $offset[$row[$this->column]];
if ($limit === NULL || $rows <= 1 || (count($ref) < $limit && $skip >= $this->offset)) {
$ref[$key] = $row;
} else {
unset($this->rows[$key]);
}
$skip++;
unset($ref, $skip);
}
}
$this->data = & $referencing[$this->active];
if ($this->data === NULL) {
$this->data = array();
}
}
