Github user mgaido91 commented on the issue:
https://github.com/apache/spark/pull/20023
thanks for looking at this @hvanhovell. The reasons why I didn't introduce
a configuration variable for this behavior are:
1. As far as I know, currently there is no way to read reliably a
configuration in catalyst;
2. Also in Hive, the behavior was changed without introducing any
configuration to switch back to the previous behavior;
3. Many people are complaining about the current Spark behavior in the
JIRA and therefore it seems that the previous behavior is neither desired nor
useful to users.
Let me know if you don't agree with these arguments. Thanks.
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