On Tue, 17 Feb 2015 09:41:56 +0000, "Tim Ward tdw@...
[firebird-support]" <firebird-support@yahoogroups.com> wrote:

> Why?? Why does that have to be a failure?? Why can't Firebird just
> ignore it??
>
> Is there any switch to turn off this behaviour??
>
> (I've got some immensely complicated query generation code which, it now

> appears, can occasionally include a common table expression in the query

> that isn't actually used anywhere. I've now got to fix that code to be
> extremely careful about *ex*cluding unneeded CTEs - it's currently aimed

> at being extremely careful to *in*clude CTEs that *are* needed.)

It sounds like this should be a warning, and not an error.

Mark