I solved my issue!


On Thu, 30 Dec 2004 18:45:14 -0500, Leyne, Sean
<Sean@...> wrote:

> Olivier,
>
> > > SQL Message : -820
> > > wrong or obsolete version
> > >
> > > Engine Code : 335544379
> > > Engine Message :
> > > unsupported on-disk structure for file plan.fdb; found 523, support
> 10
> > >
> > > Any ideas why I'm getting this error message, when connecting to the
> > > plan.fdb?
> >
> > ODS 523 versus 10 ?
> > Ann ?
>
> I hope I will do.
>
> With Firebird v2.0 adds a new feature which was intended to ensure that
> Firebird ODS 11 database and InterBase ODS 11 are never accessed by the
> wrong engine. Since the ODS's, though sharing the same heritage, can
> NEVER be intermixed -- there have been a changes made by both products
> which render the databases incompatible at the file level.
>
> The feature was implemented by adding a signature "bit" to the ODS value
> of disk -- once the header is read and the ODS 'validated', the engine
> thinks of the database simply as ODS 11/12/13... and reports the same to
> an external systems.
>
> Also introduced was the ability to allow for database which were created
> from snapshot/alpha builds/releases to be tagged as having a "transient"
> ODS structure ("private" is also an option if I recall). Thus, ensuring
> that you could not use a database which while based on ODS 11 was not
> the final ODS 11 in a production environment.
>
> It is a safety feature -- much like not confusing IB and FB ODS 11 is a
> safety feature -- because using a mismatched engine and database could
> result in a database looking like guacamole!
>
> The tagging takes the form of a bit mask which is applied to the main
> ODS # -- note that 523 is a 512 offset to ODS 11.
>
> Naturally, as the engine works through the alpha/beta and RC stage a
> decision will be made about the stability of the ODS and the mask will
> be removed accordingly.
>
>
> Sean
>
>
>
>
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It turns out the problem was that I was using isql_static from my
firebird2 (cvs head) build and then linking my ibpp application
against firebird1.5.2.