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Re: EOF operation ordering
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Re: EOF operation ordering


  • Subject: Re: EOF operation ordering
  • From: Dov Rosenberg <email@hidden>
  • Date: Tue, 19 Feb 2008 10:43:34 -0500
  • Thread-topic: EOF operation ordering

We have had to resort to deferred constraints for Oracle. For SQL Server we
have had to disable the constraints. I am certainly interested in a more
portable solution.

Dov Rosenberg


On 2/19/08 10:37 AM, "Pierre Bernard" <email@hidden> wrote:

> Hi!
>
> Back in the day of WO 4.5 to WO 5.1, I worked on a project where we
> relied on EOF's capability to order database operations. Actually we
> even extended the mechanism using a database context delegate to apply
> further sorting to already sorted operations.
>
> On more recent projects, I always set contraints to be deferrable and
> was thus not bothered by problems of operation ordering.
>
> Today, I get a call from a former colleague who wants a new project to
> be set up like past common project: non deferrable constraints.
> It turns out that on WO 5.2 this doesn't seem to work as expected. The
> database complains as the operations are not correctly ordered.
>
> Did WO 5.2 break operation ordering? Has it become optional?
>
> (I have not seen the EOModel in question. I wonder if it has circular
> references which may prevent proper ordering.)
>
> Show of hands: who uses deferrable constraints, who relies on
> operation ordering?
>
> Pierre
>
> - - -
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>
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>
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References: 
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