Github user NarineK commented on the issue:
https://github.com/apache/spark/pull/10162
I am trying different ways to solve the problem without renaming the
columns and it seems that a better place to change the column names would be
here:
https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicLogicalOperators.scala#L268
By changing the names of output attributes.
Do you have any preferences @marmbrus ?
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