public function setColumnType($name, $type)
    {
        $this->_columns[$name]['type'] = $type;
        $this->_typeMap[$name] = $type;

        return $this;
    }
public function setColumnType($name, $type)
    {
        $this->_columns[$name]['type'] = $type;
        $this->_typeMap[$name] = $type;

        return $this;
    }
public function setColumnType ( $ name , $ type ) { $ this -> _columns [ $ name ] [ 'type' ] = $ type ; $ this -> _typeMap [ $ name ] = $ type ; return $ this ; }
Set the type of a column

@param string $name Column name
@param string $type Type to set for the column
@return $this
Set the type of a column