Re: [JIRA] Commented: (CAY-705) Ordering.sortList() does not work with null relationships

[Andrus Adamchik <an...@objectstyle.org>]

IIRC there was a follow up discussion on that somewhere on the list.

Personally I am against changing the default behavior. But adding an  
alternative behavior is OK. My idea of a "cayenne workaround" is this:

* add "nullPolicy" (naming?) flag to the ASTObjPath
* add ExpressionFactory.setNullPolicy(Expression) method that walks  
the expression flipping this flag (maybe to be consistent with the  
rest of ExpressionFactory methods, it can clone the original  
expression and return an altered copy).

So patches are welcome :-)

Andrus



On Feb 8, 2007, at 2:50 PM, Marcin Skladaniec (JIRA) wrote:
>     [ https://issues.apache.org/cayenne/browse/CAY-705? 
> page=com.atlassian.jira.plugin.system.issuetabpanels:comment- 
> tabpanel#action_12227 ]
>
> Marcin Skladaniec commented on CAY-705:
> ---------------------------------------
>
> Is the "Resolution = Won't Fix" final ?
> If so I have to work my way around.
>
> Regards
> Marcin
>
>> Ordering.sortList() does not work with null relationships
>> ---------------------------------------------------------
>>
>>                 Key: CAY-705
>>                 URL: https://issues.apache.org/cayenne/browse/CAY-705
>>             Project: Cayenne
>>          Issue Type: Bug
>>          Components: Cayenne Core Library
>>    Affects Versions: 3.0
>>            Reporter: Marcin Skladaniec
>>
>> When list is sorted with customOrdering.sortList(list), and  
>> sorting is based on the field from the relationship the exception  
>> is raised.
>
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