Github user icexelloss commented on the issue:
https://github.com/apache/spark/pull/21427
@HyukjinKwon I agree with you 99% people will mostly certainly not use the
config. I think @gatorsmile 's concern is that in the rare case that some
people are actually depending on the existing behavior, they at least have an
easy way to fallback. I think this is the similar situation as:
https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala#L1156
Going forward we should probably remove all these configuration at some
point (maybe when pandas_udf and toPandas are out of experimental?),
@gatorsmile WDYT?
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