Github user kaspersorensen commented on the issue:
https://github.com/apache/metamodel/pull/128
I'm not saying that I want to return a BigDecimal. Rather I'm saying that
the test isn't correct in my opinion. Rounding a double down to the nearest
integer is doable when wanted. But the other direction isn't possible. So in my
opinion the more natural data type to return is a double (or some other decimal
type). I guess with my example of `199/100 == 1`, I'm simply arguing that it's
silly to return the same data type. Which is why I guess e.g. MongoDB also
returns a double. I haven't researched other databases yet, but I suspect that
this aspect of SQL is something that isn't generally appreciated or
consistently implemented because it seems so odd.
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