Hello
2011/3/28 Terry Kop <terry.kop@clearcapital.com>:
> I'm trying to create a function that will take setof results from various
> other functions (they all produce the same output format). Is this possible?
> if so how do call it.
No, this isn't possible.
Regards
Pavel Stehule
>
> ex.
> CREATE TYPE emp_t AS (
> ID int,
> name varchar(10),
> age int,
> salary real,
> start_date date,
> city varchar(10),
> region char(1)
> );
>
> CREATE OR REPLACE FUNCTION func1() RETURNS SETOF emp_t AS $$
> DECLARE
> v_row emp_t;
> BEGIN
> FOR v_row in SELECT * from employee
> LOOP
> RETURN NEXT v_row;
> END LOOP;
> END;
> $$ LANGUAGE plpgsql;
>
> CREATE OR REPLACE FUNCTION func2() RETURNS SETOF emp_t AS $$
> DECLARE
> v_row emp_t;
> BEGIN
> FOR v_row in SELECT * from diff_table_or constraints
> LOOP
> RETURN NEXT v_row;
> END LOOP;
> END;
> $$ LANGUAGE plpgsql;
>
> CREATE OR REPLACE FUNCTION myanalyze(in_t emp_t) RETURNS SETOF <something>
> AS $$
> DECLARE
> v_row emp_t;
> BEGIN
> FOR v_row in EXECUTE in_t
> LOOP
> -- do something
> RETURN NEXT v_row;
> END LOOP;
> END;
> $$ LANGUAGE plpgsql;
>
> -- so I would like the call to be something like
> select * from myanalyze(select * funct1());
> or
> select * from myanalyze(select * funct2());
>
>
> ______________________________
>
> Terry Kop
>
> Database Developer
>
> Clear Capital
>
>
>
> office: 530.550.2500, ext. 2589
>
> terry.kop@clearcapital.com
>
>
>
> www.ClearCapital.com
>
>
>
>
>
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