Re: passing a list to a function and returning a recordset

Realised my error, should have been using open for execute.

> -----Original Message-----
> From: pgsql-sql-owner(at)postgresql(dot)org
> [mailto:pgsql-sql-owner(at)postgresql(dot)org]On Behalf Of Marie G. Tuite
> Sent: Monday, June 03, 2002 4:43 PM
> To: pgsql-sql(at)postgresql(dot)org
> Subject: [SQL] passing a list to a function and returning a recordset
>
>
> I have the following function. The function is called by:
>
> fn_grd_students('(1,2,3,4)','(5,6,7,8)');
>
> I want to pass two lists, do a select based on these lists and return a
> recordset to the caller.
>
> And it doesn't work...
>
> Any help would be appreciated.
>
> Thanks.
>
>
> create or replace function fn_grd_students(text,text)
> returns refcursor as
>
> '
> declare
> -- in params
> student_list_in alias for $1;
> assign_list_in alias for $2;
>
> -- local var
> rc refcursor;
> begin
>
> execute ''open rc for select b.user_id,
> b.grd_assignment_id,
> a.last_name,
> b.grd_grade_id,
> c.grade_desc,
> c.grade_value
> from
> user_common a,
> grd_student_grades b,
> grd_grades c
> where
> b.user_id = a.user_id
> and b.grd_assignment_id in '' || assign_list_in ||
> '' and b.grd_grade_id = c.grd_grade_id and '' ||
> '' a.user_id in '' || student_list_in
>
> ;
>
> return rc;
> end;
> '
> language 'plpgsql'
> ;
>
>
>
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