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Re: Horizontal inheritance mismatch between WebObjects 5.4 and 5.3 [ was: SQL generation doesn't conform to entity inheritance]
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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: Lachlan Deck <email@hidden>
  • Date: Thu, 3 Feb 2011 12:33:12 +1100

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, 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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  • Follow-Ups:
    • Re: Horizontal inheritance mismatch between WebObjects 5.4 and 5.3 [ was: SQL generation doesn't conform to entity inheritance]
      • From: Dev WO <email@hidden>
    • Re: Horizontal inheritance mismatch between WebObjects 5.4 and 5.3 [ was: SQL generation doesn't conform to entity inheritance]
      • From: Chuck Hill <email@hidden>
References: 
 >Horizontal inheritance mismatch between WebObjects 5.4 and 5.3 [ was: SQL generation doesn't conform to entity inheritance] (From: Dev WO <email@hidden>)
 >Re: Horizontal inheritance mismatch between WebObjects 5.4 and 5.3 [ was: SQL generation doesn't conform to entity inheritance] (From: Chuck Hill <email@hidden>)
 >Re: Horizontal inheritance mismatch between WebObjects 5.4 and 5.3 [ was: SQL generation doesn't conform to entity inheritance] (From: Dev WO <email@hidden>)
 >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>)
 >Re: Horizontal inheritance mismatch between WebObjects 5.4 and 5.3 [ was: SQL generation doesn't conform to entity inheritance] (From: Dev WO <email@hidden>)
 >Re: Horizontal inheritance mismatch between WebObjects 5.4 and 5.3 [ was: SQL generation doesn't conform to entity inheritance] (From: Chuck Hill <email@hidden>)
 >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>)
 >Re: Horizontal inheritance mismatch between WebObjects 5.4 and 5.3 [ was: SQL generation doesn't conform to entity inheritance] (From: Dev WO <email@hidden>)
 >Re: Horizontal inheritance mismatch between WebObjects 5.4 and 5.3 [ was: SQL generation doesn't conform to entity inheritance] (From: Chuck Hill <email@hidden>)
 >Re: Horizontal inheritance mismatch between WebObjects 5.4 and 5.3 [ was: SQL generation doesn't conform to entity inheritance] (From: Dev WO <email@hidden>)
 >Re: Horizontal inheritance mismatch between WebObjects 5.4 and 5.3 [ was: SQL generation doesn't conform to entity inheritance] (From: Chuck Hill <email@hidden>)
 >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>)

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