src/Koldy/Db/Query/Select.php
public function field(string $field, string $as = null): Select
    {
        $this->fields[] = [
          'name' => $field,
          'as' => $as
        ];

        return $this;
    }
public function field(string $field, string $as = null): Select
    {
        $this->fields[] = [
          'name' => $field,
          'as' => $as
        ];

        return $this;
    }
public function field ( string $ field , string $ as = null ) : Select { $ this -> fields [ ] = [ 'name' => $ field , 'as' => $ as ] ; return $ this ; }
Add one field that will be fetched

@param string $field
@param string $as

@return Select
Add one field that will be fetched