Hisoka-X commented on PR #41531:
URL: https://github.com/apache/spark/pull/41531#issuecomment-1585892410
> I'm not sure it's worth it. Users can base64-encode before displaying if
desired; neither is particularly meaningful to a human, so, not sure it's
generally worth selecting a binary col for display anyway
I think the point is that result can't be nothing, eg:
```scala
spark-sql (default)> select 'fdsaf' as a, to_binary('1', 'hex') as b , 'fda'
as c ;
fdsaf fda
Time taken: 0.062 seconds, Fetched 1 row(s)
```
User can use this config to avoid situation like this, in whole session, not
change binary row one by one. I think that's one reason of why `show` method
will convert binary to hex as default.
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