Error: Subquery returns more than 1 row
Error No: 1242
SELECT DISTINCT *, pd.name AS name, p.image, m.name AS manufacturer, (SELECT price FROM test_product_discount pd2 WHERE pd2.product_id = p.product_id) AS discount, (SELECT price FROM test_product_special ps WHERE ps.product_id = p.product_id AND ps.customer_group_id = '8' AND ((ps.date_start = '0000-00-00' OR ps.date_start < NOW()) AND (ps.date_end = '0000-00-00' OR ps.date_end > NOW())) ORDER BY ps.priority ASC, ps.price ASC LIMIT 1) AS special, (SELECT points FROM test_product_reward pr WHERE pr.product_id = p.product_id AND customer_group_id = '8') AS reward, (SELECT ss.name FROM test_stock_status ss WHERE ss.stock_status_id = p.stock_status_id AND ss.language_id = '1') AS stock_status, (SELECT wcd.unit FROM test_weight_class_description wcd WHERE p.weight_class_id = wcd.weight_class_id AND wcd.language_id = '1') AS weight_class, (SELECT lcd.unit FROM test_length_class_description lcd WHERE p.length_class_id = lcd.length_class_id AND lcd.language_id = '1') AS length_class, (SELECT AVG(rating) AS total FROM test_review r1 WHERE r1.product_id = p.product_id AND r1.status = '1' GROUP BY r1.product_id) AS rating, (SELECT COUNT(*) AS total FROM test_review r2 WHERE r2.product_id = p.product_id AND r2.status = '1' GROUP BY r2.product_id) AS reviews FROM test_product p LEFT JOIN test_product_description pd ON (p.product_id = pd.product_id) LEFT JOIN test_product_to_store p2s ON (p.product_id = p2s.product_id) LEFT JOIN test_manufacturer m ON (p.manufacturer_id = m.manufacturer_id) WHERE p.product_id = '9486' AND pd.language_id = '1' AND p.status = '1' AND p.date_available <= NOW() AND p2s.store_id = '0'