Johan Hellgren wrote :

>we've run into a strange problem when creating a stored procedure that
>accesses views and tables like this:

>- User A has created a set of tables and grants SELECT access to them to
>user B.
>- User B creates a view that references those tables that user A owns.
>- User B then tries to create a stored procedure that returns a cursor by
>selecting from the view above. I say "tries" because the CREATE DBPROC
>statement fails with a "General error;-918 POS(177) Stack overflow".
>- If instead user A creates the view and then the procedure everything works
>fine.

>Is this a bug, or is it just too complex an operation to calculate the
>requisite access rights if the owner of the procedure is not also the owner
>of any objects that are used in the procedure?

For every statement inside a db-procedure a check is made whether there's enough stack
left to prepare/execute the statement. If this is not true, error -918 is returned.
This avoids kernel crashes caused by a stack overflow.
So it seems that your db-procedure is just too complex for the given stack size.
You may increase the parameter _MAXTASK_STACK to avoid the problem.

Thomas

-- 
Thomas Anhaus
SAP DB, SAP Labs Berlin
[EMAIL PROTECTED]
http://www.sapdb.org/
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