public function access($key, $delete = FALSE)
{
if ($this->table->connection->cache && $this->table->access($key, $delete)) {
$this->data = $this->table[$this->data[$this->table->primary]]->data;
}
}
protected function execute()
{
if ($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) {
$this->data = array();
}
}
/**
* Returns referenced row.
* @param string
* @return TableRow or NULL if the row does not exist
*/
public function getReferencedTable($name, & $column = NULL)
{
$column = $this->connection->databaseReflection->getReferencedColumn($name, $this->name);
$referenced = & $this->referenced[$name];
if ($referenced === NULL) {
$keys = array();
foreach ($this->rows as $row) {
if ($row[$column] !== NULL) {
$keys[$row[$column]] = NULL;
}
}
if ($keys) {
$table = $this->connection->databaseReflection->getReferencedTable($name, $this->name);
$referenced = new TableSelection($table, $this->connection);
$referenced->where($table . '.' . $this->getPrimary($table), array_keys($keys));
} else {
$referenced = array();
}
}
return $referenced;
}
