public function setPrimaryKeys(array $keys): self
    {
        return $this->addOperation(
            new Operation\Table\PrimaryKeys($this->table, $keys)
        );
    }
public function setPrimaryKeys(array $keys): self
    {
        return $this->addOperation(
            new Operation\Table\PrimaryKeys($this->table, $keys)
        );
    }
public function setPrimaryKeys ( array $ keys ) : self { return $ this -> addOperation ( new Operation \ Table \ PrimaryKeys ( $ this -> table , $ keys ) ) ; }
Set table primary keys index. Attention, you can only call it when table being created.

@param array $keys
@return TableBlueprint
Set table primary keys index . Attention you can only call it when table being created .