Are you not confused somewhere??
First you insert INSERT INTO db VALUES(1,'one');
Then you do this :
SELECT merge_db(1, 'two');
But for some reason this SQL select * from db; selects two for your
text field...
Ries
On Jun 3, 2009, at 2:42 PM, Oleg Bartunov wrote:
Hi there,
seems I don't understand how FOUND variable in pl/pgsql function
defined,
when I use EXECUTE of PERFORM. There is no problem when I use plain
SQL.
Below is a test I did for 8.4beta2. This is simplified script and I
can use plain SQL, but in my project I need EXECUTE.
CREATE TABLE db (a INT, b TEXT);
INSERTYTT INTO db VALUES(1,'one');
CREATE OR REPLACE FUNCTION merge_db(key INT, data TEXT) RETURNS VOID
AS
$$
BEGIN
EXECUTE 'UPDATE db SET b='||quote_literal(data)||' WHERE
a='||key;
RAISE NOTICE 'found:%',FOUND;
END;
$$
LANGUAGE plpgsql;
After successfull update I expected TRUE, as with plain INSERT
(instead of EXECUTE), but FOUND is FALSE !
=# SELECT merge_db(1, 'two');
NOTICE: found:f
merge_db ----------
(1 row)
=# select * from db;
a | b ---+-----
1 | two
(1 row)
Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru),
Sternberg Astronomical Institute, Moscow University, Russia
Internet: o...@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83
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regards, Ries van Twisk
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Ries van Twisk
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