There is an interesting thing I have come across:
CREATE OR REPLACE FUNCTION xy(int4) RETURNS SETOF RECORD AS '
DECLARE
v_is ALIAS FOR $1;
v_loop int4;
v_rec RECORD; BEGIN
v_loop := 0;
SELECT INTO v_rec 0; WHILE (v_loop < v_is)
LOOP
SELECT INTO v_rec v_loop;
v_loop := v_loop + 1; RETURN NEXT v_rec;
END LOOP; RETURN NEXT v_rec;
RETURN v_rec;
END;
' LANGUAGE 'plpgsql';SELECT * FROM xy(0) AS (id int4); SELECT * FROM xy(1) AS (id int4);
This function works nicely in 7.4.x (even without the last RETURN NEXT). 8.0 returns an error.
[EMAIL PROTECTED] tmp]$ psql microtec -h epi < t.sql
ERROR: RETURN cannot have a parameter in function returning set; use RETURN NEXT at or near "v_rec" at character 324
ERROR: function xy(integer) does not exist
HINT: No function matches the given name and argument types. You may need to add explicit type casts.
ERROR: function xy(integer) does not exist
HINT: No function matches the given name and argument types. You may need to add explicit type casts.
7.4.1 works nicely ...
[EMAIL PROTECTED] tmp]$ psql microtec -h epi -p 9999 < t.sql CREATE FUNCTION id ---- 0 (1 row)
id ---- 0 0 (2 rows)
I have tried to look it up in the source code (gramy.y line 1144) but I don't really know what the new check which has been added in 8.0 is good for.
Can anybody give me a hint how it is supposed to be?
Regards,
Hans
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