1b67d546bd
### What changes were proposed in this pull request? This PR reverts https://github.com/apache/spark/pull/26325 and https://github.com/apache/spark/pull/26347 ### Why are the changes needed? When we do sum/avg, we need a wider type of input to hold the sum value, to reduce the possibility of overflow. For example, we use long to hold the sum of integral inputs, use double to hold the sum of float/double. However, we don't have a wider type of interval. Also the semantic is unclear: what if the days field overflows but the months field doesn't? Currently the avg of `1 month` and `2 month` is `1 month 15 days`, which assumes 1 month has 30 days and we should avoid this assumption. ### Does this PR introduce any user-facing change? yes, remove 2 features added in 3.0 ### How was this patch tested? N/A Closes #27619 from cloud-fan/revert. Authored-by: Wenchen Fan <wenchen@databricks.com> Signed-off-by: herman <herman@databricks.com> |
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