Out of resources when opening file '/var/tmp/#sql_7c93_0.MAI' (Errcode: 24)<hr>SELECT COUNT(DISTINCT p.productID) as cnt FROM (SELECT p.*, GROUP_CONCAT(CONCAT( p.productID,sp.variantID)) as model
FROM SC_products p 
LEFT JOIN SC_product_options_set sp ON (sp.productID = p.productID AND sp.optionID = 52)
group BY p.productID) p WHERE (categoryID IN (630)) AND ( enabled=1)