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[Решено] Не корректно работает MYSQL запрос

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Пытаюсь выполнить запрос работает без ошибок но я не получаю нужно результата, я бы хотел что бы порядок сортировки у определенных товаров, где количество больше 0 , становился нулем. В итоге обновляется только одно значение где количество = 0, т.е.  в точности наоборот?
Где я ошибся?



UPDATE oc_product
SET quantity = CASE WHEN quantity = '> 0' THEN sort_order =1 ELSE sort_order END      
WHERE model IN ('371-01','290-01','294-01');


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update oc_product set sort_order=0 where quantity>0 and model in (...)

Edited by n3bo

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Спасибо, помогло.

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