SELECT COUNT(DISTINCT g.id) AS cnt
FROM `goods` g
JOIN (
SELECT 101427 AS category_id
UNION ALL
SELECT `child_id`
FROM `category_tree`
WHERE `parent_id` = 101427
) AS ct ON g.category_id = ct.category_id;
WHERE 1
Fatal error: Uncaught Error: Call to a member function fetch_assoc() on bool in /html/catalog.php:246
Stack trace:
#0 {main}
thrown in /html/catalog.php on line 246