Hello,
I'm sorry if I did not post my tests but I’m really beginner with web2py,
python... and I was a little afraid to look ridiculous.. (Sorry again but
my English is ridiculous too !!).
First I tried with Mysql trough MysqlWorkbench and I quickly success to get
the minimum but only for a specific id with a simple SELECT and MIN(price).
When I tried to do the same thing for all existing spare parts, I stopped
with that because I blocked and got nothing good.
DROP PROCEDURE IF EXISTS test;
DELIMITER |
CREATE PROCEDURE test()
BEGIN
DECLARE c_id INT(11);
DECLARE cursor_id CURSOR FOR SELECT id FROM parts ORDER BY
id;
OPEN cursor_id;
id_loop: LOOP
FETCH cursor_id INTO
c_id;
IF c_id = 3 THEN
LEAVE id_loop;
END IF;
SELECT parts, supplier, price FROM supplierchoice ORDER BY parts;
INSERT INTO V_select_supchoice (parts, supplier, price) SELECT (parts,
supplier, MIN(price)) WHERE parts = c_id;
END LOOP;
CLOSE cursor_id;
END |
DELIMITER ;
Then I tried to do it by referring to what I found in the web2py manual.
That’s where I am now. This is only for the price but it’s the same for the
delay.
partid = db().select(db.parts.id)
for i in partid:
query = db.supplierchoice.parts == i
rows = db(query).select(db.supplierchoice.parts,
db.supplierchoice.supplier, db.supplierchoice.price.min())
response.flash = rows
I tried to show the result in a response.flash message before performing an
update of the fields best_price and best_delay of the table spare_parts to
avoid breaking everything but it shows me something that looks nothing good.
Depending on the tests, I get two different results: either web2py is KO or
my response.flash is very strange.
Thank you both for taking the time to answer me even though I did not have
much detail.
Arthur
--
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