Tryed with ACS and DESC index. No change, still the same non index reads.

Do I upload my test database?

--- In firebird-support@yahoogroups.com, Dmitry Yemanov <dimitr@...> wrote:
>
> 10.01.2012 13:36, ma_golyo wrote:
>
> > The question is, the non index read is a firebird engine bug or not?
>
> Maybe not really a bug but something sub-optimal.
>
> > (I think standard DDL command shoud ALWAYS read via indicies in the
> > background.)
>
> Try creating an index on RDB$PROCEDURE_PARAMETERS.RDB$FIELD_SOURCE and
> see whether it helps. If it does then it's a known issue that has
> already been fixed in the latest v2.5.2 snapshot builds.
>
>
> Dmitry
>