MaxGekk commented on issue #25998: [SPARK-29328][SQL] Fix calculation of mean seconds per month URL: https://github.com/apache/spark/pull/25998#issuecomment-537815031 What is more important for us - correctness or consistency? I mean if we have 31 days per months or 372 days per year in `months_between`, 365.25 days per year in `date_part('epoch', ...)` (https://github.com/apache/spark/pull/25981/files#diff-eba257f41b49f470321579875f054f00R85-R89), and 365.2425 days per year in other places, we may have different results using different Spark API.
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