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From Donald Vrakking <d.vrakk...@tsi-solutions.nl>
Subject Re: Prefetched objects aren't used (2.0.4)
Date Thu, 09 Jul 2009 07:20:09 GMT
It's an n..1 relation; entity A has a foreign key to the PK of B. The  
"to dep pk" flag is not set.

Donald


On 9 jul 2009, at 08:59, Andrus Adamchik wrote:

> Let's look at the details of mapping of this relationship. Is it
> mapped as 1..1 or 1..N? If it is 1..1, is there a "to dep pk" flag set
> in one of the directions?
>
> Andrus
>
>
> On Jul 8, 2009, at 12:43 PM, Donald Vrakking wrote:
>
>> Hi,
>>
>>
>> I have two objects A and B which have an m:1 relation (it's used as
>> a 1:1). I created a SelectQuery to get instances of A and added a
>> prefetch to B. After executing the query, A only has a toOneFault
>> for B, so when I access B it will execute another
>> (relationship)query on the database.
>>
>> It doesn't matter if I use a DISJOINT or a JOINT prefetch, the
>> result is the same; all the necessary queries are executed and the
>> datarows for B are put in the cache, but the property on A isn't
>> updated with the prefetched B. Does anybody know  how to explain
>> (and fix ;-)) this?
>>
>> Thanx,
>>
>> Donald Vrakking
>>
>


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