Hi all,
I have looked at twig, I liked it a lot, but there is one issue about many
to many relationships. Does Twig support them?
Sincerely,
Michael Shtelma
On Sun, Mar 28, 2010 at 5:25 PM, John Patterson <jdpatter...@gmail.com>wrote:
> There are alternatives: Twig, Objectify, SimpleDS, Slim3, Siena. Take your
> pick and get your app working today.
>
>
> On 28 Mar 2010, at 21:47, Trung wrote:
>
> Hi GAE team,
>>
>> Any workarounds for this issue?
>>
>> Thanks
>>
>>
>> On Feb 14, 8:55 am, Payam <pmoghad...@gmail.com> wrote:
>>
>>> The problem is still not solved.
>>> Although you can "persist" an object with multiple relations of the
>>> same type. When you actually query the object, the retrieved object
>>> has duplicates for the multiple relations.
>>> As in, if I were to persist instances A, B inside C. When I query for
>>> C, both objects retrieved will be A. There will be no B.
>>>
>>> This is a serious bug!
>>>
>>> On Jan 26, 4:54 pm, oth <other...@gmail.com> wrote:
>>>
>>> Michael,
>>>>
>>>
>>> In your jdoconfig.xml file add this entry:
>>>>
>>>
>>> <property
>>>> name="datanucleus.appengine.allowMultipleRelationsOfSameType"
>>>> value="true"/>
>>>>
>>>
>>> Thanks
>>>>
>>>
>>> On Jan 26, 3:12 pm, Michael Shtelma <mshte...@gmail.com> wrote:
>>>>
>>>
>>> Hi all,
>>>>>
>>>>
>>> I am also experiencing this problem on GAE 1.3.0.
>>>>> Using multipleRelationsOfSameTypeAreErrors helps not in all cases,
>>>>> when I am trying to read such entities I get mentioned exception.
>>>>> Are the any solution for the 1.3.0 ?
>>>>>
>>>>
>>> Thanks,
>>>>> Michael
>>>>>
>>>>
>>> On Jan 21, 9:20 am, cowper <iamco...@gmail.com> wrote:
>>>>>
>>>>
>>> Hi,
>>>>>> I have a similar issue with 1.3.0 however it arises when the types
>>>>>> are the same and not related to inheritance of any type.
>>>>>>
>>>>>
>>> The work around suggested doesn't seem to work. Is the workaround
>>>>>> valid for 1.3.0?
>>>>>>
>>>>>
>>> thx,
>>>>>>
>>>>>
>>> Conor
>>>>>>
>>>>>
>>> On Dec 4 2009, 9:52 pm, "Max Ross (Google)" <maxr
>>>>>>
>>>>>
>>> +appeng...@google.com> wrote:
>>>>>>
>>>>>>> SDK 1.2.8 contains a new check that detects if one of your JDO or JPA
>>>>>>> model
>>>>>>> objects has two relationship fields of the same type. For example:
>>>>>>>
>>>>>>
>>> class A {
>>>>>>> List<B> bList;
>>>>>>> List<B> anotherBList;
>>>>>>>
>>>>>>
>>> }
>>>>>>>
>>>>>>
>>> Unfortunately I was a little too aggressive with this check, so the
>>>>>>> following also run afoul of the check:
>>>>>>>
>>>>>>
>>> abstract class B {}
>>>>>>>
>>>>>>
>>> class C extends B {}
>>>>>>> class D extends B {}
>>>>>>>
>>>>>>
>>> class A {
>>>>>>> List<C> cList:
>>>>>>> List<D> dList;
>>>>>>>
>>>>>>
>>> }
>>>>>>>
>>>>>>
>>> If you get an exception that says
>>>>>>>
>>>>>>
>>> Class XXX has multiple relationship fields of type YYYY. This is not
>>>>>>> yet
>>>>>>> supported.
>>>>>>>
>>>>>>
>>> and your class hierarchy resembles the one above, you can disable this
>>>>>>> check
>>>>>>> by with the following config property:
>>>>>>>
>>>>>>
>>> <property
>>>>>>> name="datanucleus.appengine.multipleRelationsOfSameTypeAreErrors"
>>>>>>> value="true"/>
>>>>>>>
>>>>>>
>>> We'll get this fixed shortly.
>>>>>>>
>>>>>>
>>> Sorry for the trouble,
>>>>>>> Max
>>>>>>>
>>>>>>
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