[Nitro] schema_inheritance - the neverending story...

Michael Fellinger m.fellinger at gmail.com
Fri Jan 27 03:03:14 EST 2006


Hey Bryan,

Thx a lot for the patch, will try it later...
In every case we'll need the testcase for schema_inheritance, since it broke 
far too often in the past.

You will hear from me how it works

Am Friday 27 January 2006 15:46 schrieb Bryan Soto:
> On 1/26/06, Michael Fellinger <m.fellinger at gmail.com> wrote:
> > Hi list, hey george,
>
> Hey manveru, how's Japan? :)
>
> We've found a problem/bug with schema_inheritance while upgrading from
> 0.25to
>
> > 0.27.
> > Now, i don't really have an idea what exactly is going different now, but
> > the
> > main-problem seems to be that evolve_schema seems to cause problems.
> > After a bit of playing around and trying to find out what is going wrong,
> > we
> > found that evolve_schema first drops the useless fields of the Class that
> > will later be inherited - that looks like that:
>
> I've attached a script to duplicate your problem. And a patch, which seems
> to make it do what you want.
>
> The store i'm using is psql - not yet tested with anything else because
> this
>
> > is where our data is stored - so if psql doesn't work we hit a wall...
>
> It would actually affect all of them as it's a bug in their super class.
> Oh, I'm on my WIndows box, so you might need to run dos2unix on the
> attached files. Hope I got it right. I've never used Single Table
> Inheritance before.
>
>
> Bryan



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