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From Hugi Thordarson <h...@karlmenn.is>
Subject Re: Fetching distinct related objects
Date Wed, 23 Sep 2015 07:40:47 GMT
What? Are you saying I shouldn’t be using pre-release software in a production environment?
Ghastly! ;)

Filed:
https://issues.apache.org/jira/browse/CAY-2031

Thanks,
- hugi



> On 23. sep. 2015, at 07:13, Andrus Adamchik <andrus@objectstyle.org> wrote:
> 
> This is a bug.
> 
>> On Sep 22, 2015, at 5:36 PM, Hugi Thordarson <hugi@karlmenn.is> wrote:
>> 
>> Hi all,
>> 
>> I’m trying to retrieve a list of distinct related objects. If I execute an EJBQL-query
that looks like this…
>> 
>> "select distinct receipt.shop from Receipt receipt”
>> 
>> …where “shop” is a relationship on the “Receipt”-entity, I get an exception
that looks like this: 
>> 
>> https://gist.github.com/hugith/c3f48c4576e6a55383b3
>> 
>> Doing the same fetch without the distinct keyword works fine (returns a list of Shop
objects). Also, performing a distinct fetch on attributes of “Shop” works fine, like so:
>> 
>> "select distinct receipt.shop.name from Receipt receipt”
>> 
>> Is this a bug or am I going around this the wrong way? How would you go about constructing
a fetch for distinct related objects?
>> 
>> Cheers,
>> - hugi
>> 
>> // Hugi Thordarson
>> // http://www.loftfar.is/
>> // s. 895-6688
> 


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