>
>
> Here is the sql generated for this query : https://dpaste.de/bJsc
 

Le lundi 13 mai 2019 17:46:29 UTC+2, Mike Bayer a écrit :
>
>
>
> On Mon, May 13, 2019 at 10:37 AM Scheck David <da...@sphax.it 
> <javascript:>> wrote:
>
>> the problem is that I can't use SQL for this because this is a mixins 
>> that I use for several objects (tables) because they all have this status 
>> structure... yes it's quite difficult to do :
>>
>
> I don't know what it is you want to do so if you could illustrate the SQL 
> that resembles what you want, I'd have some idea.   If you are trying to 
> build a Query object, then you are working with SQL and you'd need to 
> understand the structure you're looking for.
>
>
>  
>
>>
>> right now I'm on this stage, but still don't work
>> self.session.query(Object).outerjoin(ObjectStatus).outerjoin(Status)\
>>             .group_by(Object).with_entities(Object, 
>> func.max(Status.datum).label("status_datum")).subquery()
>>
>> self.session.query(Object).join((sub, sub.c.id == Status.id))\
>>         .filter(sub.c.statustype_id > 50)
>>
>> Le lun. 13 mai 2019 à 16:26, Mike Bayer <mik...@zzzcomputing.com 
>> <javascript:>> a écrit :
>>
>>> Hi -
>>>
>>> I was hoping someone could jump in on this.
>>>
>>> do you know the SQL that you want to emit?  E.g. plain SQL string.   I
>>> can help you do that part.
>>>
>>>
>>> On Mon, May 13, 2019 at 9:11 AM Scheck David <da...@sphax.it 
>>> <javascript:>> wrote:
>>> >
>>> > I think I'm near but I can't finish :
>>> >
>>> > for all the structure : https://dpaste.de/fek5#L
>>> >
>>> > and here my query :
>>> >
>>> > self.session.query(Object).outerjoin(ObjectStatus).outerjoin(Status)\
>>> >             .group_by(Object).with_entities(Object, 
>>> func.max(Status.datum).label("status_datum")).subquery()
>>> >
>>> > self.session.query(Object).join((sub, sub.c.id == Status.id))\
>>> >         .filter(sub.c.statustype_id > 50)
>>> >
>>> > but status type not reachable.
>>> >
>>> >
>>> > --
>>> > SQLAlchemy -
>>> > The Python SQL Toolkit and Object Relational Mapper
>>> >
>>> > http://www.sqlalchemy.org/
>>> >
>>> > To post example code, please provide an MCVE: Minimal, Complete, and 
>>> Verifiable Example. See http://stackoverflow.com/help/mcve for a full 
>>> description.
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>>
>>
>> -- 
>>
>> With kindest regards,
>>
>>
>> *David SCHECK*
>>
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>>
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>> The Python SQL Toolkit and Object Relational Mapper
>>  
>> http://www.sqlalchemy.org/
>>  
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-- 
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