Working on an application that needs to collaborate three tables. Product Offers, Transactions, Declined Offers In otherwords: (Available Products), (Purchased Products), (Products Declined, Not interested.)
Product Offers Contains All product data: (Name, Desc, Price, anything shown during the while script)
I don't want to show products if they have been purchased or declined.
For instance:
"Select *
JOIN Whatever
JOIN Whatever
(WHERE NOT IN PURCHASED OR DECLINED)";
I have a working code, for showing where not declined:
$products= "SELECT a.*, b.pID, b.userID, a.pID as pID FROM products a
LEFT JOIN declined_products b ON (a.pID = b.pID AND b.lenderID = '$userID')
WHERE b.pID is NULL AND b.userID is NULL
LIMIT $start, $maxres";
But when I try to add the second join, it no longer works... (maybe I'm using the wrong Join side? I am honestly new to joins.
$products= "SELECT a.*, b.*, c.*, a.pID as pID FROM products a
LEFT JOIN declined_products b ON (a.pID = b.pID AND b.lenderID = '$userID')
RIGHT JOIN p_transactions c ON (c.product = a.pID AND c.user_id = '$userID')
WHERE b.appID is NULL AND b.userID is NULL AND c.user_id <> '$userID' AND (`c.callback` != '1' or `c.callback` is NULL)
LIMIT $start, $maxres";