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From Mamta Satoor <msat...@gmail.com>
Subject Re: Derby-573 - optimizer overrides changes to metadata.properties and upgrade
Date Fri, 11 Nov 2005 18:04:08 GMT
I will have to admit my ignorance on soft upgrade. Can you point me
somewhere to understand what is involved in a soft upgrade and then I will
be able to answer your question?
 Mamta
 On 11/11/05, Mike Matrigali <mikem_app@sbcglobal.net> wrote:
>
> In the case of soft upgrade (ie. the case where there are no changes
> to the metadata.properties) will you be disabling the new optimizer
> overrides?
>
> Mamta Satoor wrote:
> > Hi,
> >
> > The patch for optimizer overrides includes changes in
> > metadata.properties. I think this change in metadata.properties is going
> > to require some form of upgrade code so that the sql text stored in the
> > systems tables can be replaced with new sql text which uses this new
> > form of optimizer overrides.
> >
> > I wondered if anyone can give me some pointers on how to get started
> > with upgrade code to achieve this. In the mean time, I will start
> > looking into it too.
> >
> > thanks,
> > Mamta
>
>

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