/**
* 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;
}
