Ann,
As long as there are "work arounds" (other select "design" or
additional "where... (no field_x is null)"), it is just a question
of... knowledge about these "work around".
Thanks for the detail about technical issues you have faced... by
the way, when is expected the first 2.0 RC ?
Best regards
Olivier



--- In firebird-support@yahoogroups.com, "Ann W. Harrison"
<aharrison@i...> wrote:

> Olivier,
>
> My additional guess is that the fix requires a change to the

physical

> organization of the index, which is why it was not back ported to

1.5.

> We've been very careful not to change the stored format of data -

or

> indexes - before Version 2. That means you'll find the same bug

in

> versions of InterBase prior to 6.5 - and possibly afterward...
>
> Regards,
>
>
> Ann