public function id($column = 'id')
    {
        $this->int($column)->unsigned()->autoIncrement();

        return $this->primary($column);
    }
public function id($column = 'id')
    {
        $this->int($column)->unsigned()->autoIncrement();

        return $this->primary($column);
    }
public function id ( $ column = 'id' ) { $ this -> int ( $ column ) -> unsigned ( ) -> autoIncrement ( ) ; return $ this -> primary ( $ column ) ; }
Add a int auto increment id to table

@param string $column
@return $this
Add a int auto increment id to table