Github user cloud-fan commented on the issue:
https://github.com/apache/spark/pull/21823
> so the sql analyzer get the filed of 'key' from the original table 'src',
which is lowercase.
shouldn't we always do it?--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org
