[Dbix-class] '+select'/'+as' is broken when chaining resultsets

[Peter Rabbitson]

BUCHMULLER Norbert wrote:
> On Tue, 28 Oct 2008 14:00:01 +0100 Peter Rabbitson
> <rabbit+list at rabbit.us> wrote:
> 
>> You are missing the point - this .t file does _not_ test search
>> attributes. It tests ResultsetColumn functionality. We are discussing
>> the merits of the issues you brought up on IRC.
> 
> OK, now I see. I simply did not even think that there's no test case for
> these select() attributes for the retrieval case. (I started with "ack
> '\+select' t/", and assumed that the only match is what I'm looking
> for.:-)
> 
>> Still what you want (the retrieval part to work correctly) can be
>> tested both on a ResultSetColumn _and_ on a regular object. For
>> simplicity I am asking you to add this to a new test file, and keep the
>> two issues separate.
> 
> OK.
> 
>> Also please show us the patch :)
> 
> See the attached file. I also copied all the tests for '+select'/'+as'
> from t/88result_set_column.t, as those were missing as well, if I
> understand what you wrote.
> 
> Let me know what else I should change. (Sorry, I don't use an IRC client
> nowadays, so I cannot join the discussion there.)
> 

Applied as r5020, with minor changes.