Hi!

[snip]

> SELECT RDB$RELATION_FIELDS.*
> , RDB$RELATION_FIELDS.RDB$DB_KEY
> from rdb$relation_fields
> where rdb$default_source is not null

The statement above fails and leads to the error message.

I have no idea why, possibly it is related to using RDB$DB_KEY in the
statement, although the above query works fine on the read-only database
in isql.


--
Best Regards,
Thomas Steinmaurer
LogManager Series - Logging/Auditing Suites supporting
InterBase, Firebird, Advantage Database, MS SQL Server and
NexusDB V2
Upscene Productions
http://www.upscene.com
My blog:
http://blog.upscene.com/thomas/