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