Github user cloud-fan commented on the issue:
https://github.com/apache/spark/pull/18692
Yea I have the same feeling. If the left side has a `a = 1` constraint, and
the right side has a `b = 1` constraint, adding a `a = b` join condition does
not help as it always evaluate to true.--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org
