amaliujia commented on PR #38475:
URL: https://github.com/apache/spark/pull/38475#issuecomment-1302727166
To have select with alias, we need to know the previous schema first. I
think it is covered by my previous comment if you were talking about the same
thing
amaliujia commented on PR #38475:
URL: https://github.com/apache/spark/pull/38475#issuecomment-1299371686
@cloud-fan
This is a good example that one API can be implemented with or without a
plan.
Basically if we don't add a new plan to the proto, clients can still
implement
