public function columns(array $columns, $prefixColumnsWithTable = true)
    {
        $this->has_modified_columns = true;
        $this->select->columns($columns, $prefixColumnsWithTable);
        return $this;
    }
public function columns(array $columns, $prefixColumnsWithTable = true)
    {
        $this->has_modified_columns = true;
        $this->select->columns($columns, $prefixColumnsWithTable);
        return $this;
    }
public function columns ( array $ columns , $ prefixColumnsWithTable = true ) { $ this -> has_modified_columns = true ; $ this -> select -> columns ( $ columns , $ prefixColumnsWithTable ) ; return $ this ; }
Set the table columns to retrieve

@param array $columns array list of columns, key are used as aliases
@param boolean $prefixColumnsWithTable
@return TableSearch
Set the table columns to retrieve