MySQL server has gone away SQL query : select categoryID, name, brief_description,  customers_rating, Price, in_stock,  customer_votes, list_price,  pt.productID, default_picture, sort_order, items_sold, enabled,  product_code, description, shipping_freight, po.option_value from SS_products AS pt LEFT JOIN SS_product_options_values AS po ON pt.productID=po.productID and po.optionID=36 where  enabled=1 AND categoryID=9900 OR  enabled=1 AND categoryID=9899 OR  enabled=1 AND categoryID=9744 OR  enabled=1 AND categoryID=8560 OR  enabled=1 AND categoryID=9770 OR  enabled=1 AND categoryID=8561 OR  enabled=1 AND categoryID=8562 OR  enabled=1 AND categoryID=9628 OR  enabled=1 AND categoryID=8563 OR  enabled=1 AND categoryID=8712 OR  enabled=1 AND categoryID=9943 OR  enabled=1 AND categoryID=9531 OR  enabled=1 AND categoryID=9781 OR  enabled=1 AND categoryID=9680 OR  enabled=1 AND categoryID=8566 OR  enabled=1 AND categoryID=9808 OR  enabled=1 AND categoryID=8567 OR  enabled=1 AND categoryID=8753 OR  enabled=1 AND categoryID=9682 OR  enabled=1 AND categoryID=9644 OR  enabled=1 AND categoryID=8568 OR  enabled=1 AND categoryID=8694 OR  enabled=1 AND categoryID=8569 OR  enabled=1 AND categoryID=9629 OR  enabled=1 AND categoryID=9161 OR  enabled=1 AND categoryID=8749 OR  enabled=1 AND categoryID=8570 OR  enabled=1 AND categoryID=8571 OR  enabled=1 AND categoryID=8572 OR  enabled=1 AND categoryID=9681 OR  enabled=1 AND categoryID=9851 OR  enabled=1 AND categoryID=9641 OR  enabled=1 AND categoryID=9782 OR  enabled=1 AND categoryID=8573 OR  enabled=1 AND categoryID=8922 OR  enabled=1 AND categoryID=8574 OR  enabled=1 AND categoryID=9683 OR  enabled=1 AND categoryID=8559 OR  enabled=1 AND categoryID=9806 OR  enabled=1 AND categoryID=8550 OR  enabled=1 AND categoryID=8551 OR  enabled=1 AND categoryID=8552 OR  enabled=1 AND categoryID=8553 OR  enabled=1 AND categoryID=9530 OR  enabled=1 AND categoryID=9722 OR  enabled=1 AND categoryID=9678 OR  enabled=1 AND categoryID=9775 OR  enabled=1 AND categoryID=8554 OR  enabled=1 AND categoryID=8696 OR  enabled=1 AND categoryID=8555 OR  enabled=1 AND categoryID=8556 OR  enabled=1 AND categoryID=8557 OR  enabled=1 AND categoryID=8558 OR  enabled=1 AND categoryID=9679 OR  enabled=1 AND categoryID=8900 OR  enabled=1 AND categoryID=9832 OR  enabled=1 AND categoryID=8549 OR  enabled=1 AND categoryID=9743 OR  enabled=1 AND categoryID=6482 OR  enabled=1 AND categoryID=9140 OR  enabled=1 AND categoryID=8913 OR  enabled=1 AND categoryID=9587 OR  enabled=1 AND categoryID=9836 OR  enabled=1 AND categoryID=9875 OR  enabled=1 AND categoryID=9698 OR  enabled=1 AND categoryID=6483 OR  enabled=1 AND categoryID=7669 OR  enabled=1 AND categoryID=8908 OR  enabled=1 AND categoryID=9719 OR  enabled=1 AND categoryID=6988 OR  enabled=1 AND categoryID=7312 OR  enabled=1 AND categoryID=6484 OR  enabled=1 AND categoryID=8916 OR  enabled=1 AND categoryID=9671 OR  enabled=1 AND categoryID=6485 OR  enabled=1 AND categoryID=8909 OR  enabled=1 AND categoryID=6486 OR  enabled=1 AND categoryID=6488 OR  enabled=1 AND categoryID=6489 OR  enabled=1 AND categoryID=9850 OR  enabled=1 AND categoryID=9717 OR  enabled=1 AND categoryID=7903 OR  enabled=1 AND categoryID=9881 OR  enabled=1 AND categoryID=9720 OR  enabled=1 AND categoryID=6481 OR  enabled=1 AND categoryID=9874 OR  enabled=1 AND categoryID=6480 OR  enabled=1 AND categoryID=8915 OR  enabled=1 AND categoryID=9670 OR  enabled=1 AND categoryID=6915 OR  enabled=1 AND categoryID=7638 OR  enabled=1 AND categoryID=6479 OR  enabled=1 AND categoryID=6974 OR  enabled=1 AND categoryID=7960 OR  enabled=1 AND categoryID=8752 OR  enabled=1 AND categoryID=9581 OR  enabled=1 AND categoryID=9871 OR  enabled=1 AND categoryID=9721 OR  enabled=1 AND categoryID=7677 OR  enabled=1 AND categoryID=7563 OR  enabled=1 AND categoryID=9672 OR  enabled=1 AND categoryID=6986 OR  enabled=1 AND categoryID=6976 OR  enabled=1 AND categoryID=8308 OR  enabled=1 AND categoryID=9859 OR  enabled=1 AND categoryID=6973 OR  enabled=1 AND categoryID=6491 OR  enabled=1 AND categoryID=8681 OR  enabled=1 AND categoryID=9578 OR  enabled=1 AND categoryID=8300 OR  enabled=1 AND categoryID=9797 OR  enabled=1 AND categoryID=9807 OR  enabled=1 AND categoryID=9846 OR  enabled=1 AND categoryID=9961 OR  enabled=1 AND categoryID=6492 OR  enabled=1 AND categoryID=8098 OR  enabled=1 AND categoryID=9866 OR  enabled=1 AND categoryID=6494 OR  enabled=1 AND categoryID=6496 OR  enabled=1 AND categoryID=8700 OR  enabled=1 AND categoryID=9867 OR  enabled=1 AND categoryID=6490 OR  enabled=1 AND categoryID=9349 OR  enabled=1 AND categoryID=9580 OR  enabled=1 AND categoryID=8535 OR  enabled=1 AND categoryID=9762 OR  enabled=1 AND categoryID=8536 OR  enabled=1 AND categoryID=9507 OR  enabled=1 AND categoryID=9516 OR  enabled=1 AND categoryID=8537 OR  enabled=1 AND categoryID=8538 OR  enabled=1 AND categoryID=8539 OR  enabled=1 AND categoryID=9725 OR  enabled=1 AND categoryID=8751 OR  enabled=1 AND categoryID=9726 OR  enabled=1 AND categoryID=8540 OR  enabled=1 AND categoryID=9727 OR  enabled=1 AND categoryID=8548 OR  enabled=1 AND categoryID=9728 OR  enabled=1 AND categoryID=8907 OR  enabled=1 AND categoryID=8543 OR  enabled=1 AND categoryID=8544 OR  enabled=1 AND categoryID=8545 OR  enabled=1 AND categoryID=9729 OR  enabled=1 AND categoryID=9885 OR  enabled=1 AND categoryID=8546 OR  enabled=1 AND categoryID=8547 OR  enabled=1 AND categoryID=9763 OR  enabled=1 AND categoryID=8533 OR  enabled=1 AND categoryID=6478 order by  in_stock DESC, Price, name