kasakrisz commented on PR #5091:
URL: https://github.com/apache/hive/pull/5091#issuecomment-2089999923
>We will make the UDFs skip invalid texts and SUM('text') return NULL. Maybe
we will fix GenericUDAFSum.
Yes, it seems reasonable because Hive doesn't follow the standard in the
case of `cast` function either: Cast returns NULL instead of throwing exception
due to the reasons Aman mentioned.
I think we can consider `sum(string)` as an overload of the standard `sum`
function which should behave like `sum(cast('text' as <numeric_type>))`
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