Re: Horizontal inheritance mismatch between WebObjects 5.4 and 5.3 [ was: SQL generation doesn't conform to entity inheritance]
Re: Horizontal inheritance mismatch between WebObjects 5.4 and 5.3 [ was: SQL generation doesn't conform to entity inheritance]
- Subject: Re: Horizontal inheritance mismatch between WebObjects 5.4 and 5.3 [ was: SQL generation doesn't conform to entity inheritance]
- From: Mike Schrag <email@hidden>
- Date: Wed, 2 Feb 2011 20:48:11 -0500
Yeah, that's it. For 5.4.3, that would fix this problem.
ms
On Feb 2, 2011, at 8:38 PM, Chuck Hill wrote:
>
> On Feb 2, 2011, at 5:33 PM, Lachlan Deck wrote:
>
>> On 03/02/2011, at 8:59 AM, Mike Schrag wrote:
>>
>>> i still would like to see what entity.primaryKeyRootName returns for each ... i don't recall what the impl was in 5.4.3 and I don't have it checked out at the moment, but i'm pretty sure that method is the only thing that matters here.
>>
>> The impl in 5.4.3 is wrong. Essentially 5.4.3 introduced a regression, which I recall checking in a fix for in wonder,
>
> I see this, but nothing else in ERXEntity related to this:
>
> public boolean hasExternalName() {
> // (ldeck) radar://6592526 fix for 5.4.3 regression which assumed that any parent entity that is abstract has no external name!
> return externalName() != null && externalName().trim().length() > 0;
> }
>
>
> Chuck
>
>
>> and I believe it's fixed in 5.4.3.1 :) like this:
>> if (parent is abstract) {
>> return my external name.
>> }
>>
>> Which is just wrong. This was particularly a problem for Vertical Inheritance where various fields ought to have resolved to the parent entity's table (but didn't).
>>
>> I've never tested horizontal inheritance but you can fix it by:
>> a) subclassing EOEntity and overriding primaryKeyRootName etc, or better
>> b) use Wonder and if Horizontal Inheritance is a problem, fix it there for all :)
>>
>> with regards,
>> -
>>
>> Lachlan Deck
>>
>>
>>
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> --
> Chuck Hill Senior Consultant / VP Development
>
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