SELECT
ROUND(AVG(max_price)) as avg_price,
ROUND(MIN(max_price)) as min_price,
ROUND(MAX(max_price)) as max_price,
ROUND(AVG(average_rating)) as avg_rating
FROM wp_wc_product_meta_lookup
WHERE product_id IN (21799,22321)
AND stock_status = 'instock'
AND max_price > 0
array(5) {
["total"]=>
int(116)
["avg_price"]=>
string(4) "0.00"
["min_price"]=>
string(4) "0.00"
["max_price"]=>
string(4) "0.00"
["avg_rating"]=>
string(4) "0.00"
}