ulysses-you edited a comment on pull request #30400:
URL: https://github.com/apache/spark/pull/30400#issuecomment-731486039
@dongjoon-hyun @MaxGekk The difference between config and function, I think
the later can calculate with other data. That says we can do some compare or
save the data into storage engine. We introduce many date-related function in
recent version, then the timezone is important.
> In other words, we cannot use it in Spark SQL DML statements. I guess you
have some use cases for that.
ah, actually I have not seen some case with it and just consider we may need
it sometime.
We can also show the offset as @maropu said that make it different with `set
spark.sql.session.timeZone`.
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