protected function execute()
{
if ($this->rows !== NULL) {
return;
}
$hash = md5($this->sqlBuilder->buildSelectQuery() . json_encode($this->sqlBuilder->getParameters()));
$referencing =& $this->getRefTable($refPath)->referencing[$refPath . $hash];
$this->rows =& $referencing['rows'];
$this->referenced =& $referencing['refs'];
$this->accessed =& $referencing['accessed'];
$refData =& $referencing['data'];
if ($refData === NULL) {
$limit = $this->sqlBuilder->getLimit();
$rows = count($this->refTable->rows);
if ($limit && $rows > 1) {
$this->sqlBuilder->setLimit(NULL, NULL);
}
parent::execute();
$this->sqlBuilder->setLimit($limit, NULL);
$refData = array();
$offset = array();
foreach ($this->rows as $key => $row) {
$ref =& $refData[$row[$this->column]];
$skip =& $offset[$row[$this->column]];
if ($limit === NULL || $rows <= 1 || count($ref) < $limit && $skip >= $this->sqlBuilder->getOffset()) {
$ref[$key] = $row;
} else {
unset($this->rows[$key]);
}
$skip++;
unset($ref, $skip);
}
}
$this->data =& $refData[$this->active];
if ($this->data === NULL) {
$this->data = array();
} else {
foreach ($this->data as $row) {
$row->setTable($this);
// injects correct parent GroupedSelection
}
reset($this->data);
}
}
