Description:
------------
In the PEAR version of DB_DataObjects, I can give
an alias to a joined table like this:

$main_table = DB_DataObject::factory('main_table');
$joined_table = DB_DataObject::factory('joined_table');
$main_table->joinAdd($joined_table, '', 'jt');

The generated SQL then starts like this:

SELECT * FROM main_table, joined_table AS jt

I want to generate the following SQL instead:

SELECT * FROM main_table AS mt, joined_table AS jt

But this capability does not exist in the PEAR module.
I presume the same limitations currently exist in the
PECL version.