/**
* Set column as big primary key and register it in parent table primary key list.
*
* @see TableSchema::setPrimaryKeys()
* @return $this
*/
public function bigPrimary()
{
if (!in_array($this->name, $this->table->getPrimaryKeys())) {
$this->table->setPrimaryKeys([$this->name]);
}
return $this->setType('bigPrimary');
}
