> I agree with Scott, if your application generate IN condition, could create
> CASE too, looks like this
> SELECT id, product_id FROM your_table
> WHERE product_id IN (6, 3, 4, 10, 7)
> ORDER BY
> CASE
> WHEN product_id = 6 THEN 1
> WHEN product_id = 3 THEN 2
> WHEN product_id = 4 THEN 3
> WHEN product_id = 10 THEN 4
> WHEN product_id = 7 THEN 5
> END;
A shorter solution would be
ORDER BY product_id != 6,
product_id != 3,
product_id != 4,
product_id != 10,
product_id != 7,
product_id
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