Re: Re: Please help me to take a look of the erros in my functions. Thanks.

I think you need a space there:
>
> EXECUTE 'TRUNCATE TABLE ' || quote_ident(tablename) || ' CASCADE;';
>
indeed, that is my fault - sorry

> > EXCEPTION
> > WHEN undefined_table THEN
> > RAISE EXCEPTION 'Table "%" does not exists', tablename;
>
> It's really a pretty bad idea to print your own message instead of using
> the system's message. In this case, you would have figured out the
> problem immediately if you'd seen the real error message, which was
> presumably bleating about "t1cascade".
>
> Like always, it depends, custom error message has been required by Grace

>
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Regards,
Bartek